diff --git a/docs/authoring content.md b/docs/authoring content.md
index ea2ef9415..623357fc3 100644
--- a/docs/authoring content.md	
+++ b/docs/authoring content.md	
@@ -1,7 +1,5 @@
 ---
 title: Authoring Content
-aliases:
-- test/author 1
 ---
 
 All of the content in your Quartz should go in the `/content` folder. The content for the home page of your Quartz lives in `content/index.md`. If you've [[index#🪴 Get Started|setup Quartz]] already, this folder should already be initialized. Any Markdown in this folder will get processed by Quartz.
diff --git a/quartz/build.ts b/quartz/build.ts
index 326654571..c8212f049 100644
--- a/quartz/build.ts
+++ b/quartz/build.ts
@@ -9,7 +9,7 @@ import { parseMarkdown } from "./processors/parse"
 import { filterContent } from "./processors/filter"
 import { emitContent } from "./processors/emit"
 import cfg from "../quartz.config"
-import { FilePath, FullSlug, joinSegments, slugifyFilePath } from "./util/path"
+import { FilePath, joinSegments, slugifyFilePath } from "./util/path"
 import chokidar from "chokidar"
 import { ProcessedContent } from "./plugins/vfile"
 import { Argv, BuildCtx } from "./util/ctx"
@@ -173,7 +173,6 @@ async function rebuild(changes: ChangeEvent[], clientRefresh: () => void, buildD
   const perf = new PerfTimer()
   perf.addEvent("rebuild")
   console.log(chalk.yellow("Detected change, rebuilding..."))
-  console.log(changes)
 
   // update changesSinceLastBuild
   for (const change of changes) {
@@ -181,21 +180,17 @@ async function rebuild(changes: ChangeEvent[], clientRefresh: () => void, buildD
   }
 
   const staticResources = getStaticResourcesFromPlugins(ctx)
-  const processedFiles = await Promise.all(
-    Object.entries(changesSinceLastBuild)
-      .filter(([fp, type]) => type !== "delete" && path.extname(fp) === ".md")
-      .map(async ([fp, _type]) => {
-        const fullPath = joinSegments(argv.directory, toPosixPath(fp)) as FilePath
-        const parsed = await parseMarkdown(ctx, [fullPath])
-        parsed.forEach((content) =>
-          contentMap.set(content[1].data.relativePath!, {
-            type: "markdown",
-            content,
-          }),
-        )
-        return parsed
-      }),
-  ).then((results) => results.flat())
+  for (const [fp, type] of Object.entries(changesSinceLastBuild)) {
+    if (type === "delete" || path.extname(fp) !== ".md") continue
+    const fullPath = joinSegments(argv.directory, toPosixPath(fp)) as FilePath
+    const parsed = await parseMarkdown(ctx, [fullPath])
+    for (const content of parsed) {
+      contentMap.set(content[1].data.relativePath!, {
+        type: "markdown",
+        content,
+      })
+    }
+  }
 
   // update state using changesSinceLastBuild
   // we do this weird play of add => compute change events => remove
@@ -226,7 +221,7 @@ async function rebuild(changes: ChangeEvent[], clientRefresh: () => void, buildD
         file,
       }
     }
-    
+
     return {
       type,
       path,
@@ -236,16 +231,19 @@ async function rebuild(changes: ChangeEvent[], clientRefresh: () => void, buildD
   // update allFiles and then allSlugs with the consistent view of content map
   ctx.allFiles = Array.from(contentMap.keys())
   ctx.allSlugs = ctx.allFiles.map((fp) => slugifyFilePath(fp as FilePath))
+  const processedFiles = Array.from(contentMap.values())
+    .filter((file) => file.type === "markdown")
+    .map((file) => file.content)
 
   let emittedFiles = 0
   for (const emitter of cfg.plugins.emitters) {
     // Try to use partialEmit if available, otherwise assume the output is static
-    const emitFn = emitter.partialEmit
-    if (!emitFn) {
+    const emitFn = emitter.partialEmit ?? emitter.emit
+    const emitted = await emitFn(ctx, processedFiles, staticResources, changeEvents)
+    if (emitted === null) {
       continue
     }
 
-    const emitted = await emitFn(ctx, processedFiles, staticResources, changeEvents)
     if (Symbol.asyncIterator in emitted) {
       // Async generator case
       for await (const file of emitted) {
diff --git a/quartz/cfg.ts b/quartz/cfg.ts
index 1c98b9363..b5de75dd7 100644
--- a/quartz/cfg.ts
+++ b/quartz/cfg.ts
@@ -2,7 +2,6 @@ import { ValidDateType } from "./components/Date"
 import { QuartzComponent } from "./components/types"
 import { ValidLocale } from "./i18n"
 import { PluginTypes } from "./plugins/types"
-import { SocialImageOptions } from "./util/og"
 import { Theme } from "./util/theme"
 
 export type Analytics =
diff --git a/quartz/cli/handlers.js b/quartz/cli/handlers.js
index 4ac2a4ab9..c41bafc31 100644
--- a/quartz/cli/handlers.js
+++ b/quartz/cli/handlers.js
@@ -456,6 +456,7 @@ export async function handleBuild(argv) {
     const paths = await globby([
       "**/*.ts",
       "quartz/cli/*.js",
+      "quartz/static/**/*",
       "**/*.tsx",
       "**/*.scss",
       "package.json",
diff --git a/quartz/components/renderPage.tsx b/quartz/components/renderPage.tsx
index c3f10df04..19324f51e 100644
--- a/quartz/components/renderPage.tsx
+++ b/quartz/components/renderPage.tsx
@@ -9,7 +9,6 @@ import { visit } from "unist-util-visit"
 import { Root, Element, ElementContent } from "hast"
 import { GlobalConfiguration } from "../cfg"
 import { i18n } from "../i18n"
-import { QuartzPluginData } from "../plugins/vfile"
 
 interface RenderComponents {
   head: QuartzComponent
@@ -25,7 +24,6 @@ interface RenderComponents {
 const headerRegex = new RegExp(/h[1-6]/)
 export function pageResources(
   baseDir: FullSlug | RelativeURL,
-  fileData: QuartzPluginData,
   staticResources: StaticResources,
 ): StaticResources {
   const contentIndexPath = joinSegments(baseDir, "static/contentIndex.json")
diff --git a/quartz/components/scripts/darkmode.inline.ts b/quartz/components/scripts/darkmode.inline.ts
index 871eb24d0..d8dfee964 100644
--- a/quartz/components/scripts/darkmode.inline.ts
+++ b/quartz/components/scripts/darkmode.inline.ts
@@ -10,7 +10,7 @@ const emitThemeChangeEvent = (theme: "light" | "dark") => {
 }
 
 document.addEventListener("nav", () => {
-  const switchTheme = (e: Event) => {
+  const switchTheme = () => {
     const newTheme =
       document.documentElement.getAttribute("saved-theme") === "dark" ? "light" : "dark"
     document.documentElement.setAttribute("saved-theme", newTheme)
diff --git a/quartz/plugins/emitters/404.tsx b/quartz/plugins/emitters/404.tsx
index b0acae79c..04a006dd1 100644
--- a/quartz/plugins/emitters/404.tsx
+++ b/quartz/plugins/emitters/404.tsx
@@ -3,7 +3,7 @@ import { QuartzComponentProps } from "../../components/types"
 import BodyConstructor from "../../components/Body"
 import { pageResources, renderPage } from "../../components/renderPage"
 import { FullPageLayout } from "../../cfg"
-import { FilePath, FullSlug } from "../../util/path"
+import { FullSlug } from "../../util/path"
 import { sharedPageComponents } from "../../../quartz.layout"
 import { NotFound } from "../../components"
 import { defaultProcessedContent } from "../vfile"
@@ -40,7 +40,7 @@ export const NotFoundPage: QuartzEmitterPlugin = () => {
         description: notFound,
         frontmatter: { title: notFound, tags: [] },
       })
-      const externalResources = pageResources(path, vfile.data, resources)
+      const externalResources = pageResources(path, resources)
       const componentData: QuartzComponentProps = {
         ctx,
         fileData: vfile.data,
@@ -58,5 +58,6 @@ export const NotFoundPage: QuartzEmitterPlugin = () => {
         ext: ".html",
       })
     },
+    async *partialEmit() {},
   }
 }
diff --git a/quartz/plugins/emitters/aliases.ts b/quartz/plugins/emitters/aliases.ts
index a26d7bc03..327cde85b 100644
--- a/quartz/plugins/emitters/aliases.ts
+++ b/quartz/plugins/emitters/aliases.ts
@@ -4,7 +4,7 @@ import { write } from "./helpers"
 import { BuildCtx } from "../../util/ctx"
 import { VFile } from "vfile"
 
-async function *processFile(ctx: BuildCtx, file: VFile) {
+async function* processFile(ctx: BuildCtx, file: VFile) {
   const ogSlug = simplifySlug(file.data.slug!)
 
   for (const slug of file.data.aliases ?? []) {
diff --git a/quartz/plugins/emitters/assets.ts b/quartz/plugins/emitters/assets.ts
index a10ba41b7..d0da66ace 100644
--- a/quartz/plugins/emitters/assets.ts
+++ b/quartz/plugins/emitters/assets.ts
@@ -41,12 +41,12 @@ export const Assets: QuartzEmitterPlugin = () => {
 
         if (changeEvent.type === "add" || changeEvent.type === "change") {
           yield copyFile(ctx.argv, changeEvent.path)
-        } else if (changeEvent.type === 'delete') {
+        } else if (changeEvent.type === "delete") {
           const name = slugifyFilePath(changeEvent.path)
           const dest = joinSegments(ctx.argv.output, name) as FilePath
           await fs.promises.unlink(dest)
-        } 
+        }
       }
-    }
+    },
   }
 }
diff --git a/quartz/plugins/emitters/cname.ts b/quartz/plugins/emitters/cname.ts
index a18574aaf..10781dbbc 100644
--- a/quartz/plugins/emitters/cname.ts
+++ b/quartz/plugins/emitters/cname.ts
@@ -23,4 +23,5 @@ export const CNAME: QuartzEmitterPlugin = () => ({
     await fs.promises.writeFile(path, content)
     return [path] as FilePath[]
   },
+  async *partialEmit() {},
 })
diff --git a/quartz/plugins/emitters/componentResources.ts b/quartz/plugins/emitters/componentResources.ts
index 889e5070a..540a3738c 100644
--- a/quartz/plugins/emitters/componentResources.ts
+++ b/quartz/plugins/emitters/componentResources.ts
@@ -1,4 +1,4 @@
-import { FilePath, FullSlug, joinSegments } from "../../util/path"
+import { FullSlug, joinSegments } from "../../util/path"
 import { QuartzEmitterPlugin } from "../types"
 
 // @ts-ignore
@@ -293,5 +293,6 @@ export const ComponentResources: QuartzEmitterPlugin = () => {
         content: postscript,
       })
     },
+    async *partialEmit() {},
   }
 }
diff --git a/quartz/plugins/emitters/contentPage.tsx b/quartz/plugins/emitters/contentPage.tsx
index 277d2e56b..d3f54e912 100644
--- a/quartz/plugins/emitters/contentPage.tsx
+++ b/quartz/plugins/emitters/contentPage.tsx
@@ -1,21 +1,50 @@
 import path from "path"
-import { visit } from "unist-util-visit"
-import { Root } from "hast"
-import { VFile } from "vfile"
 import { QuartzEmitterPlugin } from "../types"
 import { QuartzComponentProps } from "../../components/types"
 import HeaderConstructor from "../../components/Header"
 import BodyConstructor from "../../components/Body"
 import { pageResources, renderPage } from "../../components/renderPage"
 import { FullPageLayout } from "../../cfg"
-import { Argv } from "../../util/ctx"
-import { FilePath, isRelativeURL, joinSegments, pathToRoot } from "../../util/path"
+import { pathToRoot } from "../../util/path"
 import { defaultContentPageLayout, sharedPageComponents } from "../../../quartz.layout"
 import { Content } from "../../components"
 import chalk from "chalk"
 import { write } from "./helpers"
+import { BuildCtx } from "../../util/ctx"
+import { Node } from "unist"
+import { StaticResources } from "../../util/resources"
+import { QuartzPluginData } from "../vfile"
+
+async function processContent(
+  ctx: BuildCtx,
+  tree: Node,
+  fileData: QuartzPluginData,
+  allFiles: QuartzPluginData[],
+  opts: FullPageLayout,
+  resources: StaticResources,
+) {
+  const slug = fileData.slug!
+  const cfg = ctx.cfg.configuration
+  const externalResources = pageResources(pathToRoot(slug), resources)
+  const componentData: QuartzComponentProps = {
+    ctx,
+    fileData,
+    externalResources,
+    cfg,
+    children: [],
+    tree,
+    allFiles,
+  }
+
+  const content = renderPage(cfg, slug, componentData, opts, externalResources)
+  return write({
+    ctx,
+    content,
+    slug,
+    ext: ".html",
+  })
+}
 
-// TODO check for transclusions in partial rebuild
 export const ContentPage: QuartzEmitterPlugin<Partial<FullPageLayout>> = (userOpts) => {
   const opts: FullPageLayout = {
     ...sharedPageComponents,
@@ -45,38 +74,18 @@ export const ContentPage: QuartzEmitterPlugin<Partial<FullPageLayout>> = (userOp
       ]
     },
     async *emit(ctx, content, resources) {
-      const cfg = ctx.cfg.configuration
       const allFiles = content.map((c) => c[1].data)
-
       let containsIndex = false
+
       for (const [tree, file] of content) {
         const slug = file.data.slug!
         if (slug === "index") {
           containsIndex = true
         }
 
-        if (file.data.slug?.endsWith("/index")) {
-          continue
-        }
-
-        const externalResources = pageResources(pathToRoot(slug), file.data, resources)
-        const componentData: QuartzComponentProps = {
-          ctx,
-          fileData: file.data,
-          externalResources,
-          cfg,
-          children: [],
-          tree,
-          allFiles,
-        }
-
-        const content = renderPage(cfg, slug, componentData, opts, externalResources)
-        yield write({
-          ctx,
-          content,
-          slug,
-          ext: ".html",
-        })
+        // only process home page, non-tag pages, and non-index pages
+        if (slug.endsWith("/index") || slug.startsWith("tags/")) continue
+        yield processContent(ctx, tree, file.data, allFiles, opts, resources)
       }
 
       if (!containsIndex) {
@@ -87,5 +96,25 @@ export const ContentPage: QuartzEmitterPlugin<Partial<FullPageLayout>> = (userOp
         )
       }
     },
+    async *partialEmit(ctx, content, resources, changeEvents) {
+      const allFiles = content.map((c) => c[1].data)
+
+      // find all slugs that changed or were added
+      const changedSlugs = new Set<string>()
+      for (const changeEvent of changeEvents) {
+        if (!changeEvent.file) continue
+        if (changeEvent.type === "add" || changeEvent.type === "change") {
+          changedSlugs.add(changeEvent.file.data.slug!)
+        }
+      }
+
+      for (const [tree, file] of content) {
+        const slug = file.data.slug!
+        if (!changedSlugs.has(slug)) continue
+        if (slug.endsWith("/index") || slug.startsWith("tags/")) continue
+
+        yield processContent(ctx, tree, file.data, allFiles, opts, resources)
+      }
+    },
   }
 }
diff --git a/quartz/plugins/emitters/folderPage.tsx b/quartz/plugins/emitters/folderPage.tsx
index cdd2c728c..f9b181dff 100644
--- a/quartz/plugins/emitters/folderPage.tsx
+++ b/quartz/plugins/emitters/folderPage.tsx
@@ -7,7 +7,6 @@ import { ProcessedContent, QuartzPluginData, defaultProcessedContent } from "../
 import { FullPageLayout } from "../../cfg"
 import path from "path"
 import {
-  FilePath,
   FullSlug,
   SimpleSlug,
   stripSlashes,
@@ -18,12 +17,89 @@ import {
 import { defaultListPageLayout, sharedPageComponents } from "../../../quartz.layout"
 import { FolderContent } from "../../components"
 import { write } from "./helpers"
-import { i18n } from "../../i18n"
-
+import { i18n, TRANSLATIONS } from "../../i18n"
+import { BuildCtx } from "../../util/ctx"
+import { StaticResources } from "../../util/resources"
 interface FolderPageOptions extends FullPageLayout {
   sort?: (f1: QuartzPluginData, f2: QuartzPluginData) => number
 }
 
+async function* processFolderInfo(
+  ctx: BuildCtx,
+  folderInfo: Record<SimpleSlug, ProcessedContent>,
+  allFiles: QuartzPluginData[],
+  opts: FullPageLayout,
+  resources: StaticResources,
+) {
+  for (const [folder, folderContent] of Object.entries(folderInfo) as [
+    SimpleSlug,
+    ProcessedContent,
+  ][]) {
+    const slug = joinSegments(folder, "index") as FullSlug
+    const [tree, file] = folderContent
+    const cfg = ctx.cfg.configuration
+    const externalResources = pageResources(pathToRoot(slug), resources)
+    const componentData: QuartzComponentProps = {
+      ctx,
+      fileData: file.data,
+      externalResources,
+      cfg,
+      children: [],
+      tree,
+      allFiles,
+    }
+
+    const content = renderPage(cfg, slug, componentData, opts, externalResources)
+    yield write({
+      ctx,
+      content,
+      slug,
+      ext: ".html",
+    })
+  }
+}
+
+function computeFolderInfo(
+  folders: Set<SimpleSlug>,
+  content: ProcessedContent[],
+  locale: keyof typeof TRANSLATIONS,
+): Record<SimpleSlug, ProcessedContent> {
+  // Create default folder descriptions
+  const folderInfo: Record<SimpleSlug, ProcessedContent> = Object.fromEntries(
+    [...folders].map((folder) => [
+      folder,
+      defaultProcessedContent({
+        slug: joinSegments(folder, "index") as FullSlug,
+        frontmatter: {
+          title: `${i18n(locale).pages.folderContent.folder}: ${folder}`,
+          tags: [],
+        },
+      }),
+    ]),
+  )
+
+  // Update with actual content if available
+  for (const [tree, file] of content) {
+    const slug = stripSlashes(simplifySlug(file.data.slug!)) as SimpleSlug
+    if (folders.has(slug)) {
+      folderInfo[slug] = [tree, file]
+    }
+  }
+
+  return folderInfo
+}
+
+function _getFolders(slug: FullSlug): SimpleSlug[] {
+  var folderName = path.dirname(slug ?? "") as SimpleSlug
+  const parentFolderNames = [folderName]
+
+  while (folderName !== ".") {
+    folderName = path.dirname(folderName ?? "") as SimpleSlug
+    parentFolderNames.push(folderName)
+  }
+  return parentFolderNames
+}
+
 export const FolderPage: QuartzEmitterPlugin<Partial<FolderPageOptions>> = (userOpts) => {
   const opts: FullPageLayout = {
     ...sharedPageComponents,
@@ -66,59 +142,29 @@ export const FolderPage: QuartzEmitterPlugin<Partial<FolderPageOptions>> = (user
         }),
       )
 
-      const folderDescriptions: Record<string, ProcessedContent> = Object.fromEntries(
-        [...folders].map((folder) => [
-          folder,
-          defaultProcessedContent({
-            slug: joinSegments(folder, "index") as FullSlug,
-            frontmatter: {
-              title: `${i18n(cfg.locale).pages.folderContent.folder}: ${folder}`,
-              tags: [],
-            },
-          }),
-        ]),
-      )
+      const folderInfo = computeFolderInfo(folders, content, cfg.locale)
+      yield* processFolderInfo(ctx, folderInfo, allFiles, opts, resources)
+    },
+    async *partialEmit(ctx, content, resources, changeEvents) {
+      const allFiles = content.map((c) => c[1].data)
+      const cfg = ctx.cfg.configuration
 
-      for (const [tree, file] of content) {
-        const slug = stripSlashes(simplifySlug(file.data.slug!)) as SimpleSlug
-        if (folders.has(slug)) {
-          folderDescriptions[slug] = [tree, file]
-        }
+      // Find all folders that need to be updated based on changed files
+      const affectedFolders: Set<SimpleSlug> = new Set()
+      for (const changeEvent of changeEvents) {
+        if (!changeEvent.file) continue
+        const slug = changeEvent.file.data.slug!
+        const folders = _getFolders(slug).filter(
+          (folderName) => folderName !== "." && folderName !== "tags",
+        )
+        folders.forEach((folder) => affectedFolders.add(folder))
       }
 
-      for (const folder of folders) {
-        const slug = joinSegments(folder, "index") as FullSlug
-        const [tree, file] = folderDescriptions[folder]
-        const externalResources = pageResources(pathToRoot(slug), file.data, resources)
-        const componentData: QuartzComponentProps = {
-          ctx,
-          fileData: file.data,
-          externalResources,
-          cfg,
-          children: [],
-          tree,
-          allFiles,
-        }
-
-        const content = renderPage(cfg, slug, componentData, opts, externalResources)
-        yield write({
-          ctx,
-          content,
-          slug,
-          ext: ".html",
-        })
+      // If there are affected folders, rebuild their pages
+      if (affectedFolders.size > 0) {
+        const folderInfo = computeFolderInfo(affectedFolders, content, cfg.locale)
+        yield* processFolderInfo(ctx, folderInfo, allFiles, opts, resources)
       }
     },
   }
 }
-
-function _getFolders(slug: FullSlug): SimpleSlug[] {
-  var folderName = path.dirname(slug ?? "") as SimpleSlug
-  const parentFolderNames = [folderName]
-
-  while (folderName !== ".") {
-    folderName = path.dirname(folderName ?? "") as SimpleSlug
-    parentFolderNames.push(folderName)
-  }
-  return parentFolderNames
-}
diff --git a/quartz/plugins/emitters/helpers.ts b/quartz/plugins/emitters/helpers.ts
index fc14bd97e..6218178a4 100644
--- a/quartz/plugins/emitters/helpers.ts
+++ b/quartz/plugins/emitters/helpers.ts
@@ -11,8 +11,6 @@ type WriteOptions = {
   content: string | Buffer | Readable
 }
 
-type DeleteOptions = Omit<WriteOptions, "content">
-
 export const write = async ({ ctx, slug, ext, content }: WriteOptions): Promise<FilePath> => {
   const pathToPage = joinSegments(ctx.argv.output, slug + ext) as FilePath
   const dir = path.dirname(pathToPage)
diff --git a/quartz/plugins/emitters/ogImage.tsx b/quartz/plugins/emitters/ogImage.tsx
index 056976a77..f31cc4bd1 100644
--- a/quartz/plugins/emitters/ogImage.tsx
+++ b/quartz/plugins/emitters/ogImage.tsx
@@ -4,10 +4,12 @@ import { unescapeHTML } from "../../util/escape"
 import { FullSlug, getFileExtension } from "../../util/path"
 import { ImageOptions, SocialImageOptions, defaultImage, getSatoriFonts } from "../../util/og"
 import sharp from "sharp"
-import satori from "satori"
+import satori, { SatoriOptions } from "satori"
 import { loadEmoji, getIconCode } from "../../util/emoji"
 import { Readable } from "stream"
 import { write } from "./helpers"
+import { BuildCtx } from "../../util/ctx"
+import { QuartzPluginData } from "../vfile"
 
 const defaultOptions: SocialImageOptions = {
   colorScheme: "lightMode",
@@ -42,6 +44,41 @@ async function generateSocialImage(
   return sharp(Buffer.from(svg)).webp({ quality: 40 })
 }
 
+async function processOgImage(
+  ctx: BuildCtx,
+  fileData: QuartzPluginData,
+  fonts: SatoriOptions["fonts"],
+  fullOptions: SocialImageOptions,
+) {
+  const cfg = ctx.cfg.configuration
+  const slug = fileData.slug!
+  const titleSuffix = cfg.pageTitleSuffix ?? ""
+  const title =
+    (fileData.frontmatter?.title ?? i18n(cfg.locale).propertyDefaults.title) + titleSuffix
+  const description =
+    fileData.frontmatter?.socialDescription ??
+    fileData.frontmatter?.description ??
+    unescapeHTML(fileData.description?.trim() ?? i18n(cfg.locale).propertyDefaults.description)
+
+  const stream = await generateSocialImage(
+    {
+      title,
+      description,
+      fonts,
+      cfg,
+      fileData,
+    },
+    fullOptions,
+  )
+
+  return write({
+    ctx,
+    content: stream,
+    slug: `${slug}-og-image` as FullSlug,
+    ext: ".webp",
+  })
+}
+
 export const CustomOgImagesEmitterName = "CustomOgImages"
 export const CustomOgImages: QuartzEmitterPlugin<Partial<SocialImageOptions>> = (userOpts) => {
   const fullOptions = { ...defaultOptions, ...userOpts }
@@ -58,39 +95,23 @@ export const CustomOgImages: QuartzEmitterPlugin<Partial<SocialImageOptions>> =
       const fonts = await getSatoriFonts(headerFont, bodyFont)
 
       for (const [_tree, vfile] of content) {
-        // if this file defines socialImage, we can skip
-        if (vfile.data.frontmatter?.socialImage !== undefined) {
-          continue
+        if (vfile.data.frontmatter?.socialImage !== undefined) continue
+        yield processOgImage(ctx, vfile.data, fonts, fullOptions)
+      }
+    },
+    async *partialEmit(ctx, _content, _resources, changeEvents) {
+      const cfg = ctx.cfg.configuration
+      const headerFont = cfg.theme.typography.header
+      const bodyFont = cfg.theme.typography.body
+      const fonts = await getSatoriFonts(headerFont, bodyFont)
+
+      // find all slugs that changed or were added
+      for (const changeEvent of changeEvents) {
+        if (!changeEvent.file) continue
+        if (changeEvent.file.data.frontmatter?.socialImage !== undefined) continue
+        if (changeEvent.type === "add" || changeEvent.type === "change") {
+          yield processOgImage(ctx, changeEvent.file.data, fonts, fullOptions)
         }
-
-        const slug = vfile.data.slug!
-        const titleSuffix = cfg.pageTitleSuffix ?? ""
-        const title =
-          (vfile.data.frontmatter?.title ?? i18n(cfg.locale).propertyDefaults.title) + titleSuffix
-        const description =
-          vfile.data.frontmatter?.socialDescription ??
-          vfile.data.frontmatter?.description ??
-          unescapeHTML(
-            vfile.data.description?.trim() ?? i18n(cfg.locale).propertyDefaults.description,
-          )
-
-        const stream = await generateSocialImage(
-          {
-            title,
-            description,
-            fonts,
-            cfg,
-            fileData: vfile.data,
-          },
-          fullOptions,
-        )
-
-        yield write({
-          ctx,
-          content: stream,
-          slug: `${slug}-og-image` as FullSlug,
-          ext: ".webp",
-        })
       }
     },
     externalResources: (ctx) => {
diff --git a/quartz/plugins/emitters/static.ts b/quartz/plugins/emitters/static.ts
index 380ee2893..0b4529083 100644
--- a/quartz/plugins/emitters/static.ts
+++ b/quartz/plugins/emitters/static.ts
@@ -19,4 +19,5 @@ export const Static: QuartzEmitterPlugin = () => ({
       yield dest
     }
   },
+  async *partialEmit() {},
 })
diff --git a/quartz/plugins/emitters/tagPage.tsx b/quartz/plugins/emitters/tagPage.tsx
index 44fe24662..5f238932d 100644
--- a/quartz/plugins/emitters/tagPage.tsx
+++ b/quartz/plugins/emitters/tagPage.tsx
@@ -5,22 +5,94 @@ import BodyConstructor from "../../components/Body"
 import { pageResources, renderPage } from "../../components/renderPage"
 import { ProcessedContent, QuartzPluginData, defaultProcessedContent } from "../vfile"
 import { FullPageLayout } from "../../cfg"
-import {
-  FilePath,
-  FullSlug,
-  getAllSegmentPrefixes,
-  joinSegments,
-  pathToRoot,
-} from "../../util/path"
+import { FullSlug, getAllSegmentPrefixes, joinSegments, pathToRoot } from "../../util/path"
 import { defaultListPageLayout, sharedPageComponents } from "../../../quartz.layout"
 import { TagContent } from "../../components"
 import { write } from "./helpers"
-import { i18n } from "../../i18n"
+import { i18n, TRANSLATIONS } from "../../i18n"
+import { BuildCtx } from "../../util/ctx"
+import { StaticResources } from "../../util/resources"
 
 interface TagPageOptions extends FullPageLayout {
   sort?: (f1: QuartzPluginData, f2: QuartzPluginData) => number
 }
 
+function computeTagInfo(
+  allFiles: QuartzPluginData[],
+  content: ProcessedContent[],
+  locale: keyof typeof TRANSLATIONS,
+): [Set<string>, Record<string, ProcessedContent>] {
+  const tags: Set<string> = new Set(
+    allFiles.flatMap((data) => data.frontmatter?.tags ?? []).flatMap(getAllSegmentPrefixes),
+  )
+
+  // add base tag
+  tags.add("index")
+
+  const tagDescriptions: Record<string, ProcessedContent> = Object.fromEntries(
+    [...tags].map((tag) => {
+      const title =
+        tag === "index"
+          ? i18n(locale).pages.tagContent.tagIndex
+          : `${i18n(locale).pages.tagContent.tag}: ${tag}`
+      return [
+        tag,
+        defaultProcessedContent({
+          slug: joinSegments("tags", tag) as FullSlug,
+          frontmatter: { title, tags: [] },
+        }),
+      ]
+    }),
+  )
+
+  // Update with actual content if available
+  for (const [tree, file] of content) {
+    const slug = file.data.slug!
+    if (slug.startsWith("tags/")) {
+      const tag = slug.slice("tags/".length)
+      if (tags.has(tag)) {
+        tagDescriptions[tag] = [tree, file]
+        if (file.data.frontmatter?.title === tag) {
+          file.data.frontmatter.title = `${i18n(locale).pages.tagContent.tag}: ${tag}`
+        }
+      }
+    }
+  }
+
+  return [tags, tagDescriptions]
+}
+
+async function processTagPage(
+  ctx: BuildCtx,
+  tag: string,
+  tagContent: ProcessedContent,
+  allFiles: QuartzPluginData[],
+  opts: FullPageLayout,
+  resources: StaticResources,
+) {
+  const slug = joinSegments("tags", tag) as FullSlug
+  const [tree, file] = tagContent
+  const cfg = ctx.cfg.configuration
+  const externalResources = pageResources(pathToRoot(slug), resources)
+  const componentData: QuartzComponentProps = {
+    ctx,
+    fileData: file.data,
+    externalResources,
+    cfg,
+    children: [],
+    tree,
+    allFiles,
+  }
+
+  const content = renderPage(cfg, slug, componentData, opts, externalResources)
+  return write({
+    ctx,
+    content,
+    slug: file.data.slug!,
+    ext: ".html",
+  })
+}
+
 export const TagPage: QuartzEmitterPlugin<Partial<TagPageOptions>> = (userOpts) => {
   const opts: FullPageLayout = {
     ...sharedPageComponents,
@@ -52,64 +124,46 @@ export const TagPage: QuartzEmitterPlugin<Partial<TagPageOptions>> = (userOpts)
     async *emit(ctx, content, resources) {
       const allFiles = content.map((c) => c[1].data)
       const cfg = ctx.cfg.configuration
-
-      const tags: Set<string> = new Set(
-        allFiles.flatMap((data) => data.frontmatter?.tags ?? []).flatMap(getAllSegmentPrefixes),
-      )
-
-      // add base tag
-      tags.add("index")
-
-      const tagDescriptions: Record<string, ProcessedContent> = Object.fromEntries(
-        [...tags].map((tag) => {
-          const title =
-            tag === "index"
-              ? i18n(cfg.locale).pages.tagContent.tagIndex
-              : `${i18n(cfg.locale).pages.tagContent.tag}: ${tag}`
-          return [
-            tag,
-            defaultProcessedContent({
-              slug: joinSegments("tags", tag) as FullSlug,
-              frontmatter: { title, tags: [] },
-            }),
-          ]
-        }),
-      )
-
-      for (const [tree, file] of content) {
-        const slug = file.data.slug!
-        if (slug.startsWith("tags/")) {
-          const tag = slug.slice("tags/".length)
-          if (tags.has(tag)) {
-            tagDescriptions[tag] = [tree, file]
-            if (file.data.frontmatter?.title === tag) {
-              file.data.frontmatter.title = `${i18n(cfg.locale).pages.tagContent.tag}: ${tag}`
-            }
-          }
-        }
-      }
+      const [tags, tagDescriptions] = computeTagInfo(allFiles, content, cfg.locale)
 
       for (const tag of tags) {
-        const slug = joinSegments("tags", tag) as FullSlug
-        const [tree, file] = tagDescriptions[tag]
-        const externalResources = pageResources(pathToRoot(slug), file.data, resources)
-        const componentData: QuartzComponentProps = {
-          ctx,
-          fileData: file.data,
-          externalResources,
-          cfg,
-          children: [],
-          tree,
-          allFiles,
+        yield processTagPage(ctx, tag, tagDescriptions[tag], allFiles, opts, resources)
+      }
+    },
+    async *partialEmit(ctx, content, resources, changeEvents) {
+      const allFiles = content.map((c) => c[1].data)
+      const cfg = ctx.cfg.configuration
+
+      // Find all tags that need to be updated based on changed files
+      const affectedTags: Set<string> = new Set()
+      for (const changeEvent of changeEvents) {
+        if (!changeEvent.file) continue
+        const slug = changeEvent.file.data.slug!
+
+        // If it's a tag page itself that changed
+        if (slug.startsWith("tags/")) {
+          const tag = slug.slice("tags/".length)
+          affectedTags.add(tag)
         }
 
-        const content = renderPage(cfg, slug, componentData, opts, externalResources)
-        yield write({
-          ctx,
-          content,
-          slug: file.data.slug!,
-          ext: ".html",
-        })
+        // If a file with tags changed, we need to update those tag pages
+        const fileTags = changeEvent.file.data.frontmatter?.tags ?? []
+        fileTags.flatMap(getAllSegmentPrefixes).forEach((tag) => affectedTags.add(tag))
+
+        // Always update the index tag page if any file changes
+        affectedTags.add("index")
+      }
+
+      // If there are affected tags, rebuild their pages
+      if (affectedTags.size > 0) {
+        // We still need to compute all tags because tag pages show all tags
+        const [_tags, tagDescriptions] = computeTagInfo(allFiles, content, cfg.locale)
+
+        for (const tag of affectedTags) {
+          if (tagDescriptions[tag]) {
+            yield processTagPage(ctx, tag, tagDescriptions[tag], allFiles, opts, resources)
+          }
+        }
       }
     },
   }
diff --git a/quartz/plugins/transformers/frontmatter.ts b/quartz/plugins/transformers/frontmatter.ts
index d4f31c204..c04c52a24 100644
--- a/quartz/plugins/transformers/frontmatter.ts
+++ b/quartz/plugins/transformers/frontmatter.ts
@@ -3,7 +3,7 @@ import remarkFrontmatter from "remark-frontmatter"
 import { QuartzTransformerPlugin } from "../types"
 import yaml from "js-yaml"
 import toml from "toml"
-import { FilePath, FullSlug, getFileExtension, joinSegments, slugifyFilePath, slugTag, trimSuffix } from "../../util/path"
+import { FilePath, FullSlug, getFileExtension, slugifyFilePath, slugTag } from "../../util/path"
 import { QuartzPluginData } from "../vfile"
 import { i18n } from "../../i18n"
 
diff --git a/quartz/plugins/transformers/oxhugofm.ts b/quartz/plugins/transformers/oxhugofm.ts
index cdbffcffd..0612c7a9d 100644
--- a/quartz/plugins/transformers/oxhugofm.ts
+++ b/quartz/plugins/transformers/oxhugofm.ts
@@ -54,7 +54,7 @@ export const OxHugoFlavouredMarkdown: QuartzTransformerPlugin<Partial<Options>>
     textTransform(_ctx, src) {
       if (opts.wikilinks) {
         src = src.toString()
-        src = src.replaceAll(relrefRegex, (value, ...capture) => {
+        src = src.replaceAll(relrefRegex, (_value, ...capture) => {
           const [text, link] = capture
           return `[${text}](${link})`
         })
@@ -62,7 +62,7 @@ export const OxHugoFlavouredMarkdown: QuartzTransformerPlugin<Partial<Options>>
 
       if (opts.removePredefinedAnchor) {
         src = src.toString()
-        src = src.replaceAll(predefinedHeadingIdRegex, (value, ...capture) => {
+        src = src.replaceAll(predefinedHeadingIdRegex, (_value, ...capture) => {
           const [headingText] = capture
           return headingText
         })
@@ -70,7 +70,7 @@ export const OxHugoFlavouredMarkdown: QuartzTransformerPlugin<Partial<Options>>
 
       if (opts.removeHugoShortcode) {
         src = src.toString()
-        src = src.replaceAll(hugoShortcodeRegex, (value, ...capture) => {
+        src = src.replaceAll(hugoShortcodeRegex, (_value, ...capture) => {
           const [scContent] = capture
           return scContent
         })
@@ -78,7 +78,7 @@ export const OxHugoFlavouredMarkdown: QuartzTransformerPlugin<Partial<Options>>
 
       if (opts.replaceFigureWithMdImg) {
         src = src.toString()
-        src = src.replaceAll(figureTagRegex, (value, ...capture) => {
+        src = src.replaceAll(figureTagRegex, (_value, ...capture) => {
           const [src] = capture
           return `![](${src})`
         })
@@ -86,11 +86,11 @@ export const OxHugoFlavouredMarkdown: QuartzTransformerPlugin<Partial<Options>>
 
       if (opts.replaceOrgLatex) {
         src = src.toString()
-        src = src.replaceAll(inlineLatexRegex, (value, ...capture) => {
+        src = src.replaceAll(inlineLatexRegex, (_value, ...capture) => {
           const [eqn] = capture
           return `$${eqn}$`
         })
-        src = src.replaceAll(blockLatexRegex, (value, ...capture) => {
+        src = src.replaceAll(blockLatexRegex, (_value, ...capture) => {
           const [eqn] = capture
           return `$$${eqn}$$`
         })
diff --git a/quartz/plugins/transformers/roam.ts b/quartz/plugins/transformers/roam.ts
index b3be8f542..b6df67a8f 100644
--- a/quartz/plugins/transformers/roam.ts
+++ b/quartz/plugins/transformers/roam.ts
@@ -1,10 +1,8 @@
 import { QuartzTransformerPlugin } from "../types"
 import { PluggableList } from "unified"
-import { SKIP, visit } from "unist-util-visit"
+import { visit } from "unist-util-visit"
 import { ReplaceFunction, findAndReplace as mdastFindReplace } from "mdast-util-find-and-replace"
 import { Root, Html, Paragraph, Text, Link, Parent } from "mdast"
-import { Node } from "unist"
-import { VFile } from "vfile"
 import { BuildVisitor } from "unist-util-visit"
 
 export interface Options {
@@ -34,21 +32,10 @@ const defaultOptions: Options = {
 const orRegex = new RegExp(/{{or:(.*?)}}/, "g")
 const TODORegex = new RegExp(/{{.*?\bTODO\b.*?}}/, "g")
 const DONERegex = new RegExp(/{{.*?\bDONE\b.*?}}/, "g")
-const videoRegex = new RegExp(/{{.*?\[\[video\]\].*?\:(.*?)}}/, "g")
-const youtubeRegex = new RegExp(
-  /{{.*?\[\[video\]\].*?(https?:\/\/(?:www\.)?youtu(?:be\.com\/watch\?v=|\.be\/)([\w\-\_]*)(&(amp;)?[\w\?=]*)?)}}/,
-  "g",
-)
 
-// const multimediaRegex = new RegExp(/{{.*?\b(video|audio)\b.*?\:(.*?)}}/, "g")
-
-const audioRegex = new RegExp(/{{.*?\[\[audio\]\].*?\:(.*?)}}/, "g")
-const pdfRegex = new RegExp(/{{.*?\[\[pdf\]\].*?\:(.*?)}}/, "g")
 const blockquoteRegex = new RegExp(/(\[\[>\]\])\s*(.*)/, "g")
 const roamHighlightRegex = new RegExp(/\^\^(.+)\^\^/, "g")
 const roamItalicRegex = new RegExp(/__(.+)__/, "g")
-const tableRegex = new RegExp(/- {{.*?\btable\b.*?}}/, "g") /* TODO */
-const attributeRegex = new RegExp(/\b\w+(?:\s+\w+)*::/, "g") /* TODO */
 
 function isSpecialEmbed(node: Paragraph): boolean {
   if (node.children.length !== 2) return false
@@ -135,7 +122,7 @@ export const RoamFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options> | un
       const plugins: PluggableList = []
 
       plugins.push(() => {
-        return (tree: Root, file: VFile) => {
+        return (tree: Root) => {
           const replacements: [RegExp, ReplaceFunction][] = []
 
           // Handle special embeds (audio, video, PDF)
diff --git a/quartz/plugins/types.ts b/quartz/plugins/types.ts
index f3627c826..2a7c16c5d 100644
--- a/quartz/plugins/types.ts
+++ b/quartz/plugins/types.ts
@@ -44,17 +44,17 @@ export type QuartzEmitterPlugin<Options extends OptionType = undefined> = (
 ) => QuartzEmitterPluginInstance
 export type QuartzEmitterPluginInstance = {
   name: string
-  emit(
+  emit: (
     ctx: BuildCtx,
     content: ProcessedContent[],
     resources: StaticResources,
-  ): Promise<FilePath[]> | AsyncGenerator<FilePath>
-  partialEmit?(
+  ) => Promise<FilePath[]> | AsyncGenerator<FilePath>
+  partialEmit?: (
     ctx: BuildCtx,
     content: ProcessedContent[],
     resources: StaticResources,
     changeEvents: ChangeEvent[],
-  ): Promise<FilePath[]> | AsyncGenerator<FilePath>
+  ) => Promise<FilePath[]> | AsyncGenerator<FilePath> | null
   /**
    * Returns the components (if any) that are used in rendering the page.
    * This helps Quartz optimize the page by only including necessary resources
diff --git a/quartz/processors/parse.ts b/quartz/processors/parse.ts
index 56421c8f8..3a0d15a48 100644
--- a/quartz/processors/parse.ts
+++ b/quartz/processors/parse.ts
@@ -7,7 +7,7 @@ import { Root as HTMLRoot } from "hast"
 import { MarkdownContent, ProcessedContent } from "../plugins/vfile"
 import { PerfTimer } from "../util/perf"
 import { read } from "to-vfile"
-import { FilePath, FullSlug, QUARTZ, slugifyFilePath } from "../util/path"
+import { FilePath, QUARTZ, slugifyFilePath } from "../util/path"
 import path from "path"
 import workerpool, { Promise as WorkerPromise } from "workerpool"
 import { QuartzLogger } from "../util/log"
diff --git a/quartz/worker.ts b/quartz/worker.ts
index f47726441..f4cf4c600 100644
--- a/quartz/worker.ts
+++ b/quartz/worker.ts
@@ -1,8 +1,8 @@
 import sourceMapSupport from "source-map-support"
 sourceMapSupport.install(options)
 import cfg from "../quartz.config"
-import { Argv, BuildCtx, WorkerSerializableBuildCtx } from "./util/ctx"
-import { FilePath, FullSlug } from "./util/path"
+import { BuildCtx, WorkerSerializableBuildCtx } from "./util/ctx"
+import { FilePath } from "./util/path"
 import {
   createFileParser,
   createHtmlProcessor,
diff --git a/tsconfig.json b/tsconfig.json
index 784ab231b..637d09605 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -11,6 +11,8 @@
     "skipLibCheck": true,
     "allowSyntheticDefaultImports": true,
     "forceConsistentCasingInFileNames": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
     "esModuleInterop": true,
     "jsx": "react-jsx",
     "jsxImportSource": "preact"