diff --git a/content/advanced/making plugins.md b/content/advanced/making plugins.md
index 2de32008..1f1616f4 100644
--- a/content/advanced/making plugins.md	
+++ b/content/advanced/making plugins.md	
@@ -7,7 +7,7 @@ title: Making your own plugins
 
 Quartz's plugins are a series of transformations over content. This is illustrated in the diagram of the processing pipeline below:
 
-![[quartz-transform-pipeline.png]]
+![[quartz transform pipeline.png]]
 
 All plugins are defined as a function that takes in a single parameter for options `type OptionType = object | undefined` and return an object that corresponds to the type of plugin it is.
 
diff --git a/content/configuration.md b/content/configuration.md
index 182a87b2..763a27a9 100644
--- a/content/configuration.md
+++ b/content/configuration.md
@@ -50,7 +50,7 @@ This part of the configuration concerns anything that can affect the whole site.
 
 You can think of Quartz plugins as a series of transformations over content.
 
-![[quartz-transform-pipeline.png]]
+![[quartz transform pipeline.png]]
 
 ```ts
 plugins: {
diff --git a/content/features/upcoming features.md b/content/features/upcoming features.md
index 8d6c657b..bbf962bc 100644
--- a/content/features/upcoming features.md	
+++ b/content/features/upcoming features.md	
@@ -4,6 +4,8 @@ draft: true
 
 ## todo
 
+- static icon path (in head) never gets updated
+	- do we update relative links on spa?
 - back button with anchors / popovers + spa is broken
 - debounce cfg rebuild on large repos
   - investigate content rebuild triggering multiple times even when debounced, causing an esbuild deadlock
diff --git a/content/hosting.md b/content/hosting.md
index 11dff182..1e900a5b 100644
--- a/content/hosting.md
+++ b/content/hosting.md
@@ -100,7 +100,7 @@ Here's how to add a custom domain to your GitHub pages deployment.
      - `185.199.111.153`
    - If you are using a subdomain, navigate to your DNS provider and create a `CNAME` record that points your subdomain to the default domain for your site. For example, if you want to use the subdomain `quartz.example.com` for your user site, create a `CNAME` record that points `quartz.example.com` to `<github-username>.github.io`.
 
-![[dns-records.png]]_The above shows a screenshot of Google Domains configured for both `jzhao.xyz` (an apex domain) and `quartz.jzhao.xyz` (a subdomain)._
+![[dns records.png]]_The above shows a screenshot of Google Domains configured for both `jzhao.xyz` (an apex domain) and `quartz.jzhao.xyz` (a subdomain)._
 
 See the [GitHub documentation](https://docs.github.com/en/pages/configuring-a-custom-domain-for-your-github-pages-site/managing-a-custom-domain-for-your-github-pages-site#configuring-a-subdomain) for more detail about how to setup your own custom domain with GitHub Pages.
 
diff --git a/content/images/dns-records.png b/content/images/dns records.png
similarity index 100%
rename from content/images/dns-records.png
rename to content/images/dns records.png
diff --git a/content/images/quartz-layout.png b/content/images/quartz layout.png
similarity index 100%
rename from content/images/quartz-layout.png
rename to content/images/quartz layout.png
diff --git a/content/images/quartz-transform-pipeline.png b/content/images/quartz transform pipeline.png
similarity index 100%
rename from content/images/quartz-transform-pipeline.png
rename to content/images/quartz transform pipeline.png
diff --git a/content/layout.md b/content/layout.md
index 80171007..8a74b911 100644
--- a/content/layout.md
+++ b/content/layout.md
@@ -20,7 +20,7 @@ export interface FullPageLayout {
 
 These correspond to following parts of the page:
 
-![[quartz-layout.png|800]]
+![[quartz layout.png|800]]
 
 > [!note]
 > There are two additional layout fields that are _not_ shown in the above diagram.
diff --git a/quartz/bootstrap-cli.mjs b/quartz/bootstrap-cli.mjs
index 077e31b1..8551e764 100755
--- a/quartz/bootstrap-cli.mjs
+++ b/quartz/bootstrap-cli.mjs
@@ -388,7 +388,7 @@ See the [documentation](https://quartz.jzhao.xyz) for how to get started.
 
       await build(clientRefresh)
       const server = http.createServer(async (req, res) => {
-        const serve = async (fp) => {
+        const serve = async () => {
           await serveHandler(req, res, {
             public: argv.output,
             directoryListing: false,
@@ -400,11 +400,11 @@ See the [documentation](https://quartz.jzhao.xyz) for how to get started.
         }
 
         const redirect = (newFp) => {
-          res.writeHead(301, {
+          res.writeHead(302, {
             Location: newFp,
           })
-          console.log(chalk.yellow("[301]") + chalk.grey(` ${req.url} -> ${newFp}`))
-          return res.end()
+          console.log(chalk.yellow("[302]") + chalk.grey(` ${req.url} -> ${newFp}`))
+          res.end()
         }
 
         let fp = req.url?.split("?")[0] ?? "/"
@@ -415,7 +415,8 @@ See the [documentation](https://quartz.jzhao.xyz) for how to get started.
           // does /trailing/index.html exist? if so, serve it
           const indexFp = path.posix.join(fp, "index.html")
           if (fs.existsSync(path.posix.join(argv.output, indexFp))) {
-            return serve(indexFp)
+            req.url = fp
+            return serve()
           }
 
           // does /trailing.html exist? if so, redirect to /trailing
@@ -424,7 +425,7 @@ See the [documentation](https://quartz.jzhao.xyz) for how to get started.
             base += ".html"
           }
           if (fs.existsSync(path.posix.join(argv.output, base))) {
-            return redirect(base)
+            return redirect(fp.slice(0, -1))
           }
         } else {
           // /regular
@@ -434,7 +435,8 @@ See the [documentation](https://quartz.jzhao.xyz) for how to get started.
             base += ".html"
           }
           if (fs.existsSync(path.posix.join(argv.output, base))) {
-            return serve(base)
+            req.url = fp
+            return serve()
           }
 
           // does /regular/index.html exist? if so, redirect to /regular/
@@ -444,7 +446,7 @@ See the [documentation](https://quartz.jzhao.xyz) for how to get started.
           }
         }
 
-        return serve(fp)
+        return serve()
       })
       server.listen(argv.port)
       console.log(chalk.cyan(`Started a Quartz server listening at http://localhost:${argv.port}`))
@@ -458,7 +460,7 @@ See the [documentation](https://quartz.jzhao.xyz) for how to get started.
           await build(clientRefresh)
         })
     } else {
-      await build(() => {})
+      await build(() => { })
       ctx.dispose()
     }
   })
diff --git a/quartz/components/scripts/spa.inline.ts b/quartz/components/scripts/spa.inline.ts
index 7e450b76..c28da28c 100644
--- a/quartz/components/scripts/spa.inline.ts
+++ b/quartz/components/scripts/spa.inline.ts
@@ -17,7 +17,7 @@ const isLocalUrl = (href: string) => {
       }
       return true
     }
-  } catch (e) {}
+  } catch (e) { }
   return false
 }
 
@@ -50,6 +50,7 @@ async function navigate(url: URL, isBack: boolean = false) {
     history.pushState({}, "", url)
     window.scrollTo({ top: 0 })
   }
+
   const html = p.parseFromString(contents, "text/html")
   let title = html.querySelector("title")?.textContent
   if (title) {
diff --git a/quartz/plugins/emitters/assets.ts b/quartz/plugins/emitters/assets.ts
index 44bb7185..edc22d9e 100644
--- a/quartz/plugins/emitters/assets.ts
+++ b/quartz/plugins/emitters/assets.ts
@@ -18,7 +18,7 @@ export const Assets: QuartzEmitterPlugin = () => {
       for (const fp of fps) {
         const ext = path.extname(fp)
         const src = joinSegments(argv.directory, fp) as FilePath
-        const name = (slugifyFilePath(fp as FilePath) + ext) as FilePath
+        const name = (slugifyFilePath(fp as FilePath, true) + ext) as FilePath
 
         const dest = joinSegments(assetsPath, name) as FilePath
         const dir = path.dirname(dest) as FilePath
diff --git a/quartz/plugins/transformers/lastmod.ts b/quartz/plugins/transformers/lastmod.ts
index 15dd89e3..507b5852 100644
--- a/quartz/plugins/transformers/lastmod.ts
+++ b/quartz/plugins/transformers/lastmod.ts
@@ -36,6 +36,7 @@ export const CreatedModifiedDate: QuartzTransformerPlugin<Partial<Options> | und
               } else if (source === "frontmatter" && file.data.frontmatter) {
                 created ||= file.data.frontmatter.date
                 modified ||= file.data.frontmatter.lastmod
+                modified ||= file.data.frontmatter.updated
                 modified ||= file.data.frontmatter["last-modified"]
                 published ||= file.data.frontmatter.publishDate
               } else if (source === "git") {
diff --git a/quartz/plugins/transformers/links.ts b/quartz/plugins/transformers/links.ts
index a2607196..d867039d 100644
--- a/quartz/plugins/transformers/links.ts
+++ b/quartz/plugins/transformers/links.ts
@@ -79,9 +79,8 @@ export const CrawlLinks: QuartzTransformerPlugin<Partial<Options> | undefined> =
               ) {
                 if (!isAbsoluteUrl(node.properties.src)) {
                   let dest = node.properties.src as RelativeURL
-                  const ext = path.extname(node.properties.src)
                   dest = node.properties.src = transformLink(curSlug, dest, transformOptions)
-                  node.properties.src = dest + ext
+                  node.properties.src = dest
                 }
               }
             })
diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 97054b1f..b324daca 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -196,7 +196,7 @@ export const ObsidianFlavoredMarkdown: QuartzTransformerPlugin<Partial<Options>
               // embed cases
               if (value.startsWith("!")) {
                 const ext: string = path.extname(fp).toLowerCase()
-                const url = slugifyFilePath(fp as FilePath) + ext
+                const url = slugifyFilePath(fp as FilePath)
                 if ([".png", ".jpg", ".jpeg", ".gif", ".bmp", ".svg"].includes(ext)) {
                   const dims = alias ?? ""
                   let [width, height] = dims.split("x", 2)
diff --git a/quartz/util/path.test.ts b/quartz/util/path.test.ts
index 5655585d..ddbb0ee9 100644
--- a/quartz/util/path.test.ts
+++ b/quartz/util/path.test.ts
@@ -49,6 +49,7 @@ describe("typeguards", () => {
     assert(path.isRelativeURL("./abc/def#an-anchor"))
     assert(path.isRelativeURL("./abc/def?query=1#an-anchor"))
     assert(path.isRelativeURL("../abc/def"))
+    assert(path.isRelativeURL("./abc/def.pdf"))
 
     assert(!path.isRelativeURL("abc"))
     assert(!path.isRelativeURL("/abc/def"))
@@ -60,12 +61,12 @@ describe("typeguards", () => {
   test("isServerSlug", () => {
     assert(path.isServerSlug("index"))
     assert(path.isServerSlug("abc/def"))
+    assert(path.isServerSlug("html.energy"))
+    assert(path.isServerSlug("test.pdf"))
 
     assert(!path.isServerSlug("."))
     assert(!path.isServerSlug("./abc/def"))
     assert(!path.isServerSlug("../abc/def"))
-    assert(!path.isServerSlug("index.html"))
-    assert(!path.isServerSlug("abc/def.html"))
     assert(!path.isServerSlug("abc/def#anchor"))
     assert(!path.isServerSlug("abc/def?query=1"))
     assert(!path.isServerSlug("note with spaces"))
@@ -140,11 +141,12 @@ describe("transforms", () => {
     asserts(
       [
         ["content/index.md", "content/index"],
+        ["content/index.html", "content/index"],
         ["content/_index.md", "content/index"],
         ["/content/index.md", "content/index"],
-        ["content/cool.png", "content/cool"],
+        ["content/cool.png", "content/cool.png"],
         ["index.md", "index"],
-        ["test.mp4", "test"],
+        ["test.mp4", "test.mp4"],
         ["note with spaces.md", "note-with-spaces"],
       ],
       path.slugifyFilePath,
@@ -160,10 +162,13 @@ describe("transforms", () => {
         [".", "."],
         ["./", "./"],
         ["./index", "./"],
+        ["./index#abc", "./#abc"],
         ["./index.html", "./"],
         ["./index.md", "./"],
+        ["./index.css", "./index.css"],
         ["content", "./content"],
         ["content/test.md", "./content/test"],
+        ["content/test.pdf", "./content/test.pdf"],
         ["./content/test.md", "./content/test"],
         ["../content/test.md", "../content/test"],
         ["tags/", "./tags/"],
@@ -193,7 +198,7 @@ describe("transforms", () => {
 })
 
 describe("link strategies", () => {
-  const allSlugs = ["a/b/c", "a/b/d", "a/b/index", "e/f", "e/g/h", "index"] as ServerSlug[]
+  const allSlugs = ["a/b/c", "a/b/d", "a/b/index", "e/f", "e/g/h", "index", "a/test.png"] as ServerSlug[]
 
   describe("absolute", () => {
     const opts: TransformOptions = {
@@ -204,27 +209,29 @@ describe("link strategies", () => {
     test("from a/b/c", () => {
       const cur = "a/b/c" as CanonicalSlug
       assert.strictEqual(path.transformLink(cur, "a/b/d", opts), "../../../a/b/d")
-      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../../a/b")
+      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../../a/b/")
       assert.strictEqual(path.transformLink(cur, "e/f", opts), "../../../e/f")
       assert.strictEqual(path.transformLink(cur, "e/g/h", opts), "../../../e/g/h")
-      assert.strictEqual(path.transformLink(cur, "index", opts), "../../..")
+      assert.strictEqual(path.transformLink(cur, "index", opts), "../../../")
+      assert.strictEqual(path.transformLink(cur, "index.png", opts), "../../../index.png")
       assert.strictEqual(path.transformLink(cur, "index#abc", opts), "../../../#abc")
       assert.strictEqual(path.transformLink(cur, "tag/test", opts), "../../../tag/test")
       assert.strictEqual(path.transformLink(cur, "a/b/c#test", opts), "../../../a/b/c#test")
+      assert.strictEqual(path.transformLink(cur, "a/test.png", opts), "../../../a/test.png")
     })
 
     test("from a/b/index", () => {
       const cur = "a/b" as CanonicalSlug
       assert.strictEqual(path.transformLink(cur, "a/b/d", opts), "../../a/b/d")
       assert.strictEqual(path.transformLink(cur, "a/b", opts), "../../a/b")
-      assert.strictEqual(path.transformLink(cur, "index", opts), "../..")
+      assert.strictEqual(path.transformLink(cur, "index", opts), "../../")
     })
 
     test("from index", () => {
       const cur = "" as CanonicalSlug
-      assert.strictEqual(path.transformLink(cur, "index", opts), ".")
+      assert.strictEqual(path.transformLink(cur, "index", opts), "./")
       assert.strictEqual(path.transformLink(cur, "a/b/c", opts), "./a/b/c")
-      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "./a/b")
+      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "./a/b/")
     })
   })
 
@@ -238,24 +245,29 @@ describe("link strategies", () => {
       const cur = "a/b/c" as CanonicalSlug
       assert.strictEqual(path.transformLink(cur, "d", opts), "../../../a/b/d")
       assert.strictEqual(path.transformLink(cur, "h", opts), "../../../e/g/h")
-      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../../a/b")
-      assert.strictEqual(path.transformLink(cur, "index", opts), "../../..")
+      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../../a/b/")
+      assert.strictEqual(path.transformLink(cur, "a/b/index.png", opts), "../../../a/b/index.png")
+      assert.strictEqual(path.transformLink(cur, "a/b/index#abc", opts), "../../../a/b/#abc")
+      assert.strictEqual(path.transformLink(cur, "index", opts), "../../../")
+      assert.strictEqual(path.transformLink(cur, "index.png", opts), "../../../index.png")
+      assert.strictEqual(path.transformLink(cur, "test.png", opts), "../../../a/test.png")
+      assert.strictEqual(path.transformLink(cur, "index#abc", opts), "../../../#abc")
     })
 
     test("from a/b/index", () => {
       const cur = "a/b" as CanonicalSlug
       assert.strictEqual(path.transformLink(cur, "d", opts), "../../a/b/d")
       assert.strictEqual(path.transformLink(cur, "h", opts), "../../e/g/h")
-      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../a/b")
-      assert.strictEqual(path.transformLink(cur, "index", opts), "../..")
+      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "../../a/b/")
+      assert.strictEqual(path.transformLink(cur, "index", opts), "../../")
     })
 
     test("from index", () => {
       const cur = "" as CanonicalSlug
       assert.strictEqual(path.transformLink(cur, "d", opts), "./a/b/d")
       assert.strictEqual(path.transformLink(cur, "h", opts), "./e/g/h")
-      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "./a/b")
-      assert.strictEqual(path.transformLink(cur, "index", opts), ".")
+      assert.strictEqual(path.transformLink(cur, "a/b/index", opts), "./a/b/")
+      assert.strictEqual(path.transformLink(cur, "index", opts), "./")
     })
   })
 
@@ -269,9 +281,14 @@ describe("link strategies", () => {
       const cur = "a/b/c" as CanonicalSlug
       assert.strictEqual(path.transformLink(cur, "d", opts), "./d")
       assert.strictEqual(path.transformLink(cur, "index", opts), "./")
-      assert.strictEqual(path.transformLink(cur, "../../index", opts), "../../")
-      assert.strictEqual(path.transformLink(cur, "../../", opts), "../../")
-      assert.strictEqual(path.transformLink(cur, "../../e/g/h", opts), "../../e/g/h")
+      assert.strictEqual(path.transformLink(cur, "../../../index", opts), "../../../")
+      assert.strictEqual(path.transformLink(cur, "../../../index.png", opts), "../../../index.png")
+      assert.strictEqual(path.transformLink(cur, "../../../index#abc", opts), "../../../#abc")
+      assert.strictEqual(path.transformLink(cur, "../../../", opts), "../../../")
+      assert.strictEqual(path.transformLink(cur, "../../../a/test.png", opts), "../../../a/test.png")
+      assert.strictEqual(path.transformLink(cur, "../../../e/g/h", opts), "../../../e/g/h")
+      assert.strictEqual(path.transformLink(cur, "../../../e/g/h", opts), "../../../e/g/h")
+      assert.strictEqual(path.transformLink(cur, "../../../e/g/h#abc", opts), "../../../e/g/h#abc")
     })
 
     test("from a/b/index", () => {
diff --git a/quartz/util/path.ts b/quartz/util/path.ts
index c1016af5..c949474f 100644
--- a/quartz/util/path.ts
+++ b/quartz/util/path.ts
@@ -72,7 +72,7 @@ export type RelativeURL = SlugLike<"relative">
 export function isRelativeURL(s: string): s is RelativeURL {
   const validStart = /^\.{1,2}/.test(s)
   const validEnding = !(s.endsWith("/index") || s === "index")
-  return validStart && validEnding && !_hasFileExtension(s)
+  return validStart && validEnding && ![".md", ".html"].includes(_getFileExtension(s) ?? "") 
 }
 
 /** A server side slug. This is what Quartz uses to emit files so uses index suffixes */
@@ -80,7 +80,7 @@ export type ServerSlug = SlugLike<"server">
 export function isServerSlug(s: string): s is ServerSlug {
   const validStart = !(s.startsWith(".") || s.startsWith("/"))
   const validEnding = !s.endsWith("/")
-  return validStart && validEnding && !_containsForbiddenCharacters(s) && !_hasFileExtension(s)
+  return validStart && validEnding && !_containsForbiddenCharacters(s)
 }
 
 /** The real file path to a file on disk */
@@ -114,9 +114,14 @@ export function canonicalizeServer(slug: ServerSlug): CanonicalSlug {
   return res
 }
 
-export function slugifyFilePath(fp: FilePath): ServerSlug {
+export function slugifyFilePath(fp: FilePath, excludeExt?: boolean): ServerSlug {
   fp = _stripSlashes(fp) as FilePath
-  const withoutFileExt = fp.replace(new RegExp(_getFileExtension(fp) + "$"), "")
+  let ext = _getFileExtension(fp)
+  const withoutFileExt = fp.replace(new RegExp(ext + "$"), "")
+  if (excludeExt || [".md", ".html", undefined].includes(ext)) {
+    ext = ""
+  }
+
   let slug = withoutFileExt
     .split("/")
     .map((segment) => segment.replace(/\s/g, "-")) // slugify all segments
@@ -128,7 +133,7 @@ export function slugifyFilePath(fp: FilePath): ServerSlug {
     slug = slug.replace(/_index$/, "index")
   }
 
-  return slug as ServerSlug
+  return slug + ext as ServerSlug
 }
 
 export function transformInternalLink(link: string): RelativeURL {
@@ -139,19 +144,16 @@ export function transformInternalLink(link: string): RelativeURL {
     fplike.endsWith("index.md") ||
     fplike.endsWith("index.html") ||
     fplike.endsWith("/")
+
   let segments = fplike.split("/").filter((x) => x.length > 0)
   let prefix = segments.filter(_isRelativeSegment).join("/")
   let fp = segments.filter((seg) => !_isRelativeSegment(seg)).join("/")
 
-  // implicit markdown
-  if (!_hasFileExtension(fp)) {
-    fp += ".md"
-  }
-
-  fp = canonicalizeServer(slugifyFilePath(fp as FilePath))
+  // manually add ext here as we want to not strip 'index' if it has an extension
+  fp = canonicalizeServer(slugifyFilePath(fp as FilePath) as ServerSlug)
   const joined = joinSegments(_stripSlashes(prefix), _stripSlashes(fp))
   const trail = folderPath ? "/" : ""
-  const res = (_addRelativeToStart(joined) + anchor + trail) as RelativeURL
+  const res = (_addRelativeToStart(joined) + trail + anchor) as RelativeURL
   return res
 }
 
@@ -217,8 +219,9 @@ export function transformLink(
   if (opts.strategy === "relative") {
     return _addRelativeToStart(targetSlug) as RelativeURL
   } else {
-    targetSlug = _stripSlashes(targetSlug.slice(".".length))
-    let [targetCanonical, targetAnchor] = splitAnchor(targetSlug)
+    const folderTail = targetSlug.endsWith("/") ? "/" : ""
+    const canonicalSlug = _stripSlashes(targetSlug.slice(".".length))
+    let [targetCanonical, targetAnchor] = splitAnchor(canonicalSlug)
 
     if (opts.strategy === "shortest") {
       // if the file name is unique, then it's just the filename
@@ -236,7 +239,7 @@ export function transformLink(
     }
 
     // if it's not unique, then it's the absolute path from the vault root
-    return joinSegments(pathToRoot(src), targetSlug) as RelativeURL
+    return joinSegments(pathToRoot(src), canonicalSlug) + folderTail as RelativeURL
   }
 }