diff --git a/.yarnrc.yml b/.yarnrc.yml
index c875f0b..970533c 100644
--- a/.yarnrc.yml
+++ b/.yarnrc.yml
@@ -1,12 +1,12 @@
 compressionLevel: mixed
 
-plugins:
-  - checksum: 7930a64ba6239d4502df0204edda913788df1a9614a9056d23b53345d844f6f13526dae71c2be5282071502c3c077db7b1e97bcf019037db3ca35c737cd25b0c
-    path: .yarn/plugins/plugin-dedupe-on-install.cjs
-    spec: "https://raw.githubusercontent.com/ambar/yarn-plugin-dedupe-on-install/main/index.js"
-
 packageExtensions:
   react-plotly.js@*:
     peerDependenciesMeta:
       plotly.js:
         optional: true
+
+plugins:
+  - checksum: 7930a64ba6239d4502df0204edda913788df1a9614a9056d23b53345d844f6f13526dae71c2be5282071502c3c077db7b1e97bcf019037db3ca35c737cd25b0c
+    path: .yarn/plugins/plugin-dedupe-on-install.cjs
+    spec: "https://raw.githubusercontent.com/ambar/yarn-plugin-dedupe-on-install/main/index.js"
diff --git a/package.json b/package.json
index 763f384..0e569f7 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
 		"@matejmazur/react-katex": "^3.1.3",
 		"@mui/icons-material": "^6.3.1",
 		"@mui/material": "^6.3.1",
-		"@mui/system": "^6.1.0",
+		"@mui/system": "^6.3.1",
 		"fetch-suspense": "^1.2.2",
 		"katex": "^0.16.19",
 		"merge-sx": "^3.3.1",
@@ -38,7 +38,6 @@
 		"react": "^19.0.0",
 		"react-dom": "^19.0.0",
 		"react-error-boundary": "^5.0.0",
-		"react-helmet-async": "^2.0.5",
 		"react-is": "^19.0.0",
 		"react-plotly.js": "^2.6.0",
 		"react-portal-target": "^1.0.2",
@@ -73,11 +72,11 @@
 		"restructured": "^0.0.11",
 		"rollup": "^4.29.1",
 		"typescript": "^5.7.2",
-		"unplugin-fonts": "^1.1.1",
+		"unplugin-fonts": "^1.3.1",
 		"vite": "^6.0.5",
 		"vite-bundle-visualizer": "^1.2.1"
 	},
-	"packageManager": "yarn@4.5.3",
+	"packageManager": "yarn@4.6.0",
 	"lint-staged": {
 		"!(rawPosts)": "biome check --no-errors-on-unmatched --files-ignore-unknown=true --write"
 	}
diff --git a/src/components/routes/App/index.tsx b/src/components/routes/App/index.tsx
index b2eae77..e60ef01 100644
--- a/src/components/routes/App/index.tsx
+++ b/src/components/routes/App/index.tsx
@@ -1,5 +1,4 @@
 import { useMemo } from 'react'
-import { Helmet } from 'react-helmet-async'
 import { PortalTarget } from 'react-portal-target'
 import { Link, Navigate, Route, matchPath, useLocation } from 'react-router-dom'
 import SlideRoutes from 'react-slide-routes'
@@ -79,9 +78,7 @@ const App = () => {
 
 	return (
 		<ThemeProvider theme={theme}>
-			<Helmet>
-				<title>phil.red</title>
-			</Helmet>
+			<title>phil.red</title>
 			<CssBaseline />
 			<ElevationScroll>
 				<AppBar
diff --git a/src/components/routes/Blog/index.tsx b/src/components/routes/Blog/index.tsx
index be1f05a..6d938ae 100644
--- a/src/components/routes/Blog/index.tsx
+++ b/src/components/routes/Blog/index.tsx
@@ -1,5 +1,4 @@
 import type { FC } from 'react'
-import { Helmet } from 'react-helmet-async'
 import { Navigate, Route, useParams } from 'react-router-dom'
 import SlideRoutes from 'react-slide-routes'
 
@@ -60,13 +59,10 @@ const RoutedPost: FC = () => {
 	}
 	return (
 		<>
-			<Helmet>
-				<title>
-					{document.title}
-					{' – '}
-					Blog – phil.red
-				</title>
-			</Helmet>
+			<title>
+				{document.title}
+				{' – Blog – phil.red'}
+			</title>
 			<Markup doc={document} />
 		</>
 	)
@@ -74,9 +70,7 @@ const RoutedPost: FC = () => {
 
 const Blog = () => (
 	<>
-		<Helmet>
-			<title>Blog – phil.red</title>
-		</Helmet>
+		<title>Blog – phil.red</title>
 		<SlideRoutes animation="vertical-slide">
 			<Route index element={<Index />} />
 			<Route path=":year/:month/:day/:id" element={<RoutedPost />} />
diff --git a/src/components/routes/Code/index.tsx b/src/components/routes/Code/index.tsx
index fea7c34..f06949f 100644
--- a/src/components/routes/Code/index.tsx
+++ b/src/components/routes/Code/index.tsx
@@ -1,5 +1,4 @@
 import { createElement } from 'react'
-import { Helmet } from 'react-helmet-async'
 import { isValidElementType } from 'react-is'
 
 import Avatar from '@mui/material/Avatar'
@@ -110,9 +109,7 @@ const GitHubItems = () => (
 
 const Code = () => (
 	<>
-		<Helmet>
-			<title>Code – phil.red</title>
-		</Helmet>
+		<title>Code – phil.red</title>
 		<List>
 			<ListItemLink
 				href="https://github.com/flying-sheep"
diff --git a/src/main.tsx b/src/main.tsx
index 0577b2f..cb2842e 100644
--- a/src/main.tsx
+++ b/src/main.tsx
@@ -8,7 +8,6 @@ import './main.css'
 
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
-import { HelmetProvider } from 'react-helmet-async'
 import { BrowserRouter as Router } from 'react-router-dom'
 
 import App from './components/routes/App'
@@ -19,11 +18,9 @@ document.addEventListener('DOMContentLoaded', () => {
 	const root = createRoot(elem)
 	root.render(
 		<StrictMode>
-			<HelmetProvider>
-				<Router>
-					<App />
-				</Router>
-			</HelmetProvider>
+			<Router>
+				<App />
+			</Router>
 		</StrictMode>,
 	)
 })
diff --git a/yarn.lock b/yarn.lock
index 499afbb..e73aed5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -807,7 +807,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@mui/system@npm:^6.1.0, @mui/system@npm:^6.3.1":
+"@mui/system@npm:^6.3.1":
   version: 6.3.1
   resolution: "@mui/system@npm:6.3.1"
   dependencies:
@@ -1567,12 +1567,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"acorn@npm:^8.11.2":
-  version: 8.11.2
-  resolution: "acorn@npm:8.11.2"
+"acorn@npm:^8.14.0":
+  version: 8.14.0
+  resolution: "acorn@npm:8.14.0"
   bin:
     acorn: bin/acorn
-  checksum: 10/ff559b891382ad4cd34cc3c493511d0a7075a51f5f9f02a03440e92be3705679367238338566c5fbd3521ecadd565d29301bc8e16cb48379206bffbff3d72500
+  checksum: 10/6df29c35556782ca9e632db461a7f97947772c6c1d5438a81f0c873a3da3a792487e83e404d1c6c25f70513e91aa18745f6eafb1fcc3a43ecd1920b21dd173d2
   languageName: node
   linkType: hard
 
@@ -1645,16 +1645,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"anymatch@npm:~3.1.2":
-  version: 3.1.3
-  resolution: "anymatch@npm:3.1.3"
-  dependencies:
-    normalize-path: "npm:^3.0.0"
-    picomatch: "npm:^2.0.4"
-  checksum: 10/3e044fd6d1d26545f235a9fe4d7a534e2029d8e59fa7fd9f2a6eb21230f6b5380ea1eaf55136e60cbf8e613544b3b766e7a6fa2102e2a3a117505466e3025dc2
-  languageName: node
-  linkType: hard
-
 "aproba@npm:^1.0.3 || ^2.0.0":
   version: 2.0.0
   resolution: "aproba@npm:2.0.0"
@@ -1734,13 +1724,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"binary-extensions@npm:^2.0.0":
-  version: 2.2.0
-  resolution: "binary-extensions@npm:2.2.0"
-  checksum: 10/ccd267956c58d2315f5d3ea6757cf09863c5fc703e50fbeb13a7dc849b812ef76e3cf9ca8f35a0c48498776a7478d7b4a0418e1e2b8cb9cb9731f2922aaad7f8
-  languageName: node
-  linkType: hard
-
 "brace-expansion@npm:^1.1.7":
   version: 1.1.11
   resolution: "brace-expansion@npm:1.1.11"
@@ -1760,7 +1743,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"braces@npm:^3.0.3, braces@npm:~3.0.2":
+"braces@npm:^3.0.3":
   version: 3.0.3
   resolution: "braces@npm:3.0.3"
   dependencies:
@@ -1910,25 +1893,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"chokidar@npm:^3.5.3":
-  version: 3.5.3
-  resolution: "chokidar@npm:3.5.3"
-  dependencies:
-    anymatch: "npm:~3.1.2"
-    braces: "npm:~3.0.2"
-    fsevents: "npm:~2.3.2"
-    glob-parent: "npm:~5.1.2"
-    is-binary-path: "npm:~2.1.0"
-    is-glob: "npm:~4.0.1"
-    normalize-path: "npm:~3.0.0"
-    readdirp: "npm:~3.6.0"
-  dependenciesMeta:
-    fsevents:
-      optional: true
-  checksum: 10/863e3ff78ee7a4a24513d2a416856e84c8e4f5e60efbe03e8ab791af1a183f569b62fc6f6b8044e2804966cb81277ddbbc1dc374fba3265bd609ea8efd62f5b3
-  languageName: node
-  linkType: hard
-
 "chownr@npm:^2.0.0":
   version: 2.0.0
   resolution: "chownr@npm:2.0.0"
@@ -2637,7 +2601,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"fast-glob@npm:^3.2.12, fast-glob@npm:^3.2.2, fast-glob@npm:^3.3.2":
+"fast-glob@npm:^3.2.2, fast-glob@npm:^3.3.2":
   version: 3.3.2
   resolution: "fast-glob@npm:3.3.2"
   dependencies:
@@ -2811,7 +2775,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"glob-parent@npm:^5.1.2, glob-parent@npm:~5.1.2":
+"glob-parent@npm:^5.1.2":
   version: 5.1.2
   resolution: "glob-parent@npm:5.1.2"
   dependencies:
@@ -3172,15 +3136,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"invariant@npm:^2.2.4":
-  version: 2.2.4
-  resolution: "invariant@npm:2.2.4"
-  dependencies:
-    loose-envify: "npm:^1.0.0"
-  checksum: 10/cc3182d793aad82a8d1f0af697b462939cb46066ec48bbf1707c150ad5fad6406137e91a262022c269702e01621f35ef60269f6c0d7fd178487959809acdfb14
-  languageName: node
-  linkType: hard
-
 "ip@npm:^2.0.0":
   version: 2.0.1
   resolution: "ip@npm:2.0.1"
@@ -3212,15 +3167,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"is-binary-path@npm:~2.1.0":
-  version: 2.1.0
-  resolution: "is-binary-path@npm:2.1.0"
-  dependencies:
-    binary-extensions: "npm:^2.0.0"
-  checksum: 10/078e51b4f956c2c5fd2b26bb2672c3ccf7e1faff38e0ebdba45612265f4e3d9fc3127a1fa8370bbf09eab61339203c3d3b7af5662cbf8be4030f8fac37745b0e
-  languageName: node
-  linkType: hard
-
 "is-core-module@npm:^2.12.0, is-core-module@npm:^2.13.0":
   version: 2.13.1
   resolution: "is-core-module@npm:2.13.1"
@@ -3278,7 +3224,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"is-glob@npm:^4.0.1, is-glob@npm:^4.0.3, is-glob@npm:~4.0.1":
+"is-glob@npm:^4.0.1, is-glob@npm:^4.0.3":
   version: 4.0.3
   resolution: "is-glob@npm:4.0.3"
   dependencies:
@@ -3496,7 +3442,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"loose-envify@npm:^1.0.0, loose-envify@npm:^1.4.0":
+"loose-envify@npm:^1.4.0":
   version: 1.4.0
   resolution: "loose-envify@npm:1.4.0"
   dependencies:
@@ -3843,13 +3789,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"normalize-path@npm:^3.0.0, normalize-path@npm:~3.0.0":
-  version: 3.0.0
-  resolution: "normalize-path@npm:3.0.0"
-  checksum: 10/88eeb4da891e10b1318c4b2476b6e2ecbeb5ff97d946815ffea7794c31a89017c70d7f34b3c2ebf23ef4e9fc9fb99f7dffe36da22011b5b5c6ffa34f4873ec20
-  languageName: node
-  linkType: hard
-
 "normalize-url@npm:^6.0.1":
   version: 6.1.0
   resolution: "normalize-url@npm:6.1.0"
@@ -4054,7 +3993,7 @@ __metadata:
     "@matejmazur/react-katex": "npm:^3.1.3"
     "@mui/icons-material": "npm:^6.3.1"
     "@mui/material": "npm:^6.3.1"
-    "@mui/system": "npm:^6.1.0"
+    "@mui/system": "npm:^6.3.1"
     "@total-typescript/ts-reset": "npm:^0.6.1"
     "@tsconfig/strictest": "npm:^2.0.5"
     "@types/estree": "npm:^1.0.5"
@@ -4085,7 +4024,6 @@ __metadata:
     react: "npm:^19.0.0"
     react-dom: "npm:^19.0.0"
     react-error-boundary: "npm:^5.0.0"
-    react-helmet-async: "npm:^2.0.5"
     react-is: "npm:^19.0.0"
     react-json-tree: "npm:^0.19.0"
     react-plotly.js: "npm:^2.6.0"
@@ -4096,7 +4034,7 @@ __metadata:
     rollup: "npm:^4.29.1"
     typed-jsx: "npm:^0.1.1"
     typescript: "npm:^5.7.2"
-    unplugin-fonts: "npm:^1.1.1"
+    unplugin-fonts: "npm:^1.3.1"
     vite: "npm:^6.0.5"
     vite-bundle-visualizer: "npm:^1.2.1"
   languageName: unknown
@@ -4109,7 +4047,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"picomatch@npm:^2.0.4, picomatch@npm:^2.2.1, picomatch@npm:^2.3.1":
+"picomatch@npm:^2.2.1, picomatch@npm:^2.3.1":
   version: 2.3.1
   resolution: "picomatch@npm:2.3.1"
   checksum: 10/60c2595003b05e4535394d1da94850f5372c9427ca4413b71210f437f7b2ca091dbd611c45e8b37d10036fa8eade25c1b8951654f9d3973bfa66a2ff4d3b08bc
@@ -4385,26 +4323,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"react-fast-compare@npm:^3.2.2":
-  version: 3.2.2
-  resolution: "react-fast-compare@npm:3.2.2"
-  checksum: 10/a6826180ba75cefba1c8d3ac539735f9b627ca05d3d307fe155487f5d0228d376dac6c9708d04a283a7b9f9aee599b637446635b79c8c8753d0b4eece56c125c
-  languageName: node
-  linkType: hard
-
-"react-helmet-async@npm:^2.0.5":
-  version: 2.0.5
-  resolution: "react-helmet-async@npm:2.0.5"
-  dependencies:
-    invariant: "npm:^2.2.4"
-    react-fast-compare: "npm:^3.2.2"
-    shallowequal: "npm:^1.1.0"
-  peerDependencies:
-    react: ^16.6.0 || ^17.0.0 || ^18.0.0
-  checksum: 10/03a8fbf4779c90899012809da09a6b174a2e11e2db4c7f4e61672903dd4e2f3bb732619da4254fc874c502251a07c8da01c752ed7d6df429c7718cf8451d176a
-  languageName: node
-  linkType: hard
-
 "react-is@npm:^16.13.1, react-is@npm:^16.7.0":
   version: 16.13.1
   resolution: "react-is@npm:16.13.1"
@@ -4538,7 +4456,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"readdirp@npm:^3.6.0, readdirp@npm:~3.6.0":
+"readdirp@npm:^3.6.0":
   version: 3.6.0
   resolution: "readdirp@npm:3.6.0"
   dependencies:
@@ -4897,13 +4815,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"shallowequal@npm:^1.1.0":
-  version: 1.1.0
-  resolution: "shallowequal@npm:1.1.0"
-  checksum: 10/f4c1de0837f106d2dbbfd5d0720a5d059d1c66b42b580965c8f06bb1db684be8783538b684092648c981294bf817869f743a066538771dbecb293df78f765e00
-  languageName: node
-  linkType: hard
-
 "shebang-command@npm:^2.0.0":
   version: 2.0.0
   resolution: "shebang-command@npm:2.0.0"
@@ -5315,31 +5226,29 @@ __metadata:
   languageName: node
   linkType: hard
 
-"unplugin-fonts@npm:^1.1.1":
-  version: 1.1.1
-  resolution: "unplugin-fonts@npm:1.1.1"
+"unplugin-fonts@npm:^1.3.1":
+  version: 1.3.1
+  resolution: "unplugin-fonts@npm:1.3.1"
   dependencies:
-    fast-glob: "npm:^3.2.12"
-    unplugin: "npm:^1.3.1"
+    fast-glob: "npm:^3.3.2"
+    unplugin: "npm:2.0.0-beta.1"
   peerDependencies:
     "@nuxt/kit": ^3.0.0
-    vite: ^2.0.0 || ^3.0.0 || ^4.0.0 || ^5.0.0
+    vite: ^2.0.0 || ^3.0.0 || ^4.0.0 || ^5.0.0 || ^6.0.0
   peerDependenciesMeta:
     "@nuxt/kit":
       optional: true
-  checksum: 10/32d5f36b5d9b5c4f1159b2db2dd168e7099288f700085a16b8e2968901d97e6d2fb15ee8241d90f16541472dcff6146c88ebedcf09c70f9f4bdfe990539ee799
+  checksum: 10/980c927d95d825fe7889dbecd8425fb528282ac6d40680ccbadfdfee943b7b77ce8280dfbb7ef79b4e5da98f17cf7a11cde1af31eafec4816dd620071f4d84ab
   languageName: node
   linkType: hard
 
-"unplugin@npm:^1.3.1":
-  version: 1.5.1
-  resolution: "unplugin@npm:1.5.1"
+"unplugin@npm:2.0.0-beta.1":
+  version: 2.0.0-beta.1
+  resolution: "unplugin@npm:2.0.0-beta.1"
   dependencies:
-    acorn: "npm:^8.11.2"
-    chokidar: "npm:^3.5.3"
-    webpack-sources: "npm:^3.2.3"
-    webpack-virtual-modules: "npm:^0.6.0"
-  checksum: 10/470575a98514a394b667305878390ed244cf0bea80cc65c4700806dc12e48d3ae03e38c72ce1a4db23540307e98b68a8213c5fda319cecc5e844ad1975d2d9b0
+    acorn: "npm:^8.14.0"
+    webpack-virtual-modules: "npm:^0.6.2"
+  checksum: 10/f5f01c2808ad5fa07634f016701ddcd2f8ee17e4c0e9cc29325b40850b7a2c62bea6e0c48446baae87ca7fdf7c8276e826271537b54daf1570cbadcd826c88fd
   languageName: node
   linkType: hard
 
@@ -5430,17 +5339,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"webpack-sources@npm:^3.2.3":
-  version: 3.2.3
-  resolution: "webpack-sources@npm:3.2.3"
-  checksum: 10/a661f41795d678b7526ae8a88cd1b3d8ce71a7d19b6503da8149b2e667fc7a12f9b899041c1665d39e38245ed3a59ab68de648ea31040c3829aa695a5a45211d
-  languageName: node
-  linkType: hard
-
-"webpack-virtual-modules@npm:^0.6.0":
-  version: 0.6.1
-  resolution: "webpack-virtual-modules@npm:0.6.1"
-  checksum: 10/12a43ecdb910185c9d7e4ec19cc3b13bff228dae362e8a487c0bd292b393555e017ad16f771d5ce5b692d91d65b71a7bcd64763958d39066a5351ea325395539
+"webpack-virtual-modules@npm:^0.6.2":
+  version: 0.6.2
+  resolution: "webpack-virtual-modules@npm:0.6.2"
+  checksum: 10/d9a0d035f7ec0c7f1055aaf88bfe48b7f96458043916a1b2926d9012fd61de3810a6b768e31a8cd4b3c84a9b6d55824361a9dd20aaf9f5ccfb6f017af216a178
   languageName: node
   linkType: hard