utilization reduction

public/robots.txt

@@ -1,9 +1,21 @@
 User-agent: *
 Allow: /
 Allow: /blog
-Allow: /projects
+
-Disallow: /login
+# Private / dynamic paths — not for indexing.
-Disallow: /debug/
+# Keeps crawlers off auth, admin, and API pages so they don't burn
+# uncached SSR function invocations.
+Disallow: /account
+Disallow: /analytics
+Disallow: /api/
+Disallow: /blog/create
+Disallow: /blog/edit
+Disallow: /checkout
 Disallow: /databaseMGMT
+Disallow: /debug/
+Disallow: /error-test
+Disallow: /login
+Disallow: /success
+Disallow: /test
 
 Sitemap: https://www.freno.me/sitemap.xml

src/components/EdgeCacheHeaders.tsx

@@ -0,0 +1,29 @@
+import { HttpHeader } from "@solidjs/start";
+
+/**
+ * Renders edge-cache response headers for a page route.
+ *
+ * Sets `CDN-Cache-Control` so Vercel serves the rendered HTML from the edge
+ * (no origin re-render) for `maxAge` seconds, then stale-while-revalidate up
+ * to `staleSeconds`. `Cache-Control: public, max-age=0` keeps browsers
+ * revalidating, so visitors always get the latest version — only the CDN
+ * holds a cached copy. Function/CND-Cache-Control overrides the Vercel
+ * default, so repeated visits and bot crawls stop re-rendering at origin.
+ */
+export function EdgeCacheHeaders(props: {
+ /** Seconds the CDN may serve the response fresh. */
+ maxAge: number;
+ /** Seconds the CDN serves stale while revalidating (default: 1 day). */
+ staleSeconds?: number;
+}) {
+ const stale = props.staleSeconds ?? 86400;
+ return (
+  <>
+   <HttpHeader name="Cache-Control" value="public, max-age=0" />
+   <HttpHeader
+    name="CDN-Cache-Control"
+    value={`public, s-maxage=${props.maxAge}, stale-while-revalidate=${stale}`}
+   />
+  </>
+ );
+}

src/routes/[...404].tsx

@@ -1,5 +1,5 @@
 import { PageHead } from "~/components/PageHead";
-import { HttpStatusCode } from "@solidjs/start";
+import { HttpHeader, HttpStatusCode } from "@solidjs/start";
 import { useLocation, useNavigate } from "@solidjs/router";
 import { createSignal, onCleanup, onMount, Show } from "solid-js";
 import { TerminalErrorPage } from "~/components/TerminalErrorPage";
@@ -90,6 +90,14 @@ export default function NotFound() {
         description="404 - Page not found. The page you're looking for doesn't exist."
       />
       <HttpStatusCode code={404} />
+      {/* Cache 404/fallback responses at the edge (Vercel caches 404s) so
+          bots/monitors that probe dead paths don't re-render the full page
+          on every request. Function headers override vercel.json here. */}
+      <HttpHeader name="Cache-Control" value="public, max-age=0" />
+      <HttpHeader
+        name="CDN-Cache-Control"
+        value="public, s-maxage=300, stale-while-revalidate=86400"
+      />
       <TerminalErrorPage
         errorContent={errorContent}
         quickActions={quickActions}

src/routes/api/health.ts

@@ -0,0 +1,23 @@
+import type { APIEvent } from "@solidjs/start/server";
+
+/**
+ * Lightweight uptime/monitoring probe.
+ *
+ * Returns a tiny 200 that the edge CDN caches (`CDN-Cache-Control`), so
+ * health checks (Sentry uptime monitors, external monitors, `curl`) cost a
+ * fraction of a rendered page instead of a full SSR response. Point monitors
+ * at `https://freno.me/api/health`.
+ */
+export async function GET(_event: APIEvent) {
+ return new Response(JSON.stringify({ status: "ok" }), {
+  status: 200,
+  headers: {
+   "Content-Type": "application/json; charset=utf-8",
+   // Browser: always revalidate (tiny body, no reason to cache).
+   "Cache-Control": "public, max-age=0",
+   // Edge CDN: serve from cache for 1 min, then stale-while-revalidate
+   // for a day so repeated probe hits never touch the origin.
+   "CDN-Cache-Control": "public, s-maxage=60, stale-while-revalidate=86400"
+  }
+ });
+}

src/routes/blog/[title]/index.tsx

@@ -7,6 +7,7 @@ import {
   useSearchParams
 } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import { createAsync } from "@solidjs/router";
 import { getRequestEvent } from "solid-js/web";
 import AuthenticatedLike from "~/components/blog/AuthenticatedLike";
@@ -327,6 +328,7 @@ export default function PostPage() {
 
               return (
                 <>
+                  <EdgeCacheHeaders maxAge={60} staleSeconds={3600} />
                   <PageHead
                     title={p().title.replaceAll("_", " ")}
                     description={

src/routes/blog/index.tsx

@@ -1,6 +1,7 @@
 import { Show } from "solid-js";
 import { useSearchParams, A, query } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import { createAsync } from "@solidjs/router";
 import PostSortingSelect from "~/components/blog/PostSortingSelect";
 import TagSelector from "~/components/blog/TagSelector";
@@ -90,6 +91,7 @@ export default function BlogIndex() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={60} staleSeconds={3600} />
       <PageHead
         title="Blog"
         description="Technical blog posts about web development, programming, and software engineering."

src/routes/contact.tsx

@@ -3,6 +3,7 @@ import { useSearchParams } from "@solidjs/router";
 import { A } from "@solidjs/router";
 import RevealDropDown from "~/components/RevealDropDown";
 import { ContactForm } from "~/components/ContactForm";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import { buildSubdomainUrl } from "~/lib/site-context";
 import { useSite } from "~/context/SiteContext";
 import NessaContactPage from "./nessa/contact";
@@ -125,6 +126,8 @@ function MainContactPage() {
   const viewer = () => searchParams.viewer ?? "default";
 
   return (
+    <>
+      <EdgeCacheHeaders maxAge={60} staleSeconds={3600} />
       <ContactForm
       subline={
         <Show when={viewer() !== "lineage"}>
@@ -134,6 +137,7 @@ function MainContactPage() {
     >
       <LineageContactQuestions />
     </ContactForm>
+    </>
   );
 }
 

src/routes/downloads.tsx

@@ -1,4 +1,5 @@
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import { A } from "@solidjs/router";
 import { createSignal, onMount, onCleanup, Switch, Match } from "solid-js";
 import DownloadOnAppStore from "~/components/icons/DownloadOnAppStore";
@@ -71,6 +72,7 @@ function MainDownloadsPage() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Downloads"
         description="Download The Nook, InputHalo, Gaze, Life and Lineage, Shapes with Abigail, and Cork. Available on macOS, iOS, and Android."

src/routes/gaze/contact.tsx

@@ -1,4 +1,5 @@
 import { ContactForm } from "~/components/ContactForm";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 
 /**
@@ -19,6 +20,7 @@ import SubdomainHeader from "~/components/SubdomainHeader";
 export default function GazeContactPage() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={60} staleSeconds={3600} />
       <SubdomainHeader />
       <ContactForm />
     </>

src/routes/gaze/downloads.tsx

@@ -11,6 +11,7 @@
 import { A } from "@solidjs/router";
 import { createSignal } from "solid-js";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import DownloadOnAppStoreDark from "~/components/icons/DownloadOnAppStoreDark";
 import Button from "~/components/ui/Button";
@@ -48,6 +49,7 @@ export default function GazeDownloadsPage() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Download Gaze"
         description="Download Gaze for macOS — menu bar app for eye and posture health."

src/routes/gaze/index.tsx

@@ -1,5 +1,6 @@
 import { createSignal, For } from "solid-js";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import DownloadOnAppStoreDark from "~/components/icons/DownloadOnAppStoreDark";
 import Button from "~/components/ui/Button";
@@ -60,6 +61,7 @@ export default function GazeLanding() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Home"
         description="Gaze is a macOS menu bar app for eye and posture health — blink reminders, 20-20-20 breaks, posture check-ins, and customizable reminder intervals."

src/routes/gaze/privacy.tsx

@@ -15,11 +15,13 @@
  */
 import { A } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 
 export default function GazePrivacyPolicy() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Privacy Policy"
         description="Privacy policy for Gaze, a macOS eye health reminder app."

src/routes/index.tsx

@@ -1,5 +1,6 @@
 import { Switch, Match, type JSX } from "solid-js";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import { DarkModeToggle } from "~/components/DarkModeToggle";
 import { Typewriter } from "~/components/Typewriter";
 import { useSite } from "~/context/SiteContext";
@@ -57,6 +58,7 @@ export default function Home(): JSX.Element {
 function MainHome(): JSX.Element {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Home"
         description="Michael Freno - Software Engineer based in Brooklyn, NY"

src/routes/inputhalo/contact.tsx

@@ -1,4 +1,5 @@
 import { ContactForm } from "~/components/ContactForm";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 
 /**
@@ -19,6 +20,7 @@ import SubdomainHeader from "~/components/SubdomainHeader";
 export default function InputHaloContactPage() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={60} staleSeconds={3600} />
       <SubdomainHeader />
       <ContactForm />
     </>

src/routes/inputhalo/downloads.tsx

@@ -11,6 +11,7 @@
 import { A } from "@solidjs/router";
 import { createSignal } from "solid-js";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import DownloadOnAppStoreDark from "~/components/icons/DownloadOnAppStoreDark";
 import Button from "~/components/ui/Button";
@@ -51,6 +52,7 @@ export default function InputHaloDownloadsPage() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Download InputHalo"
         description="Download InputHalo for macOS — menu bar app for keyboard, mouse, and scroll visualization."

src/routes/inputhalo/index.tsx

@@ -13,6 +13,7 @@
 import { For, createSignal } from "solid-js";
 import { A } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import Button from "~/components/ui/Button";
 import DownloadOnAppStoreDark from "~/components/icons/DownloadOnAppStoreDark";
@@ -98,6 +99,7 @@ export default function InputHaloLanding() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Home"
         description="A polished macOS menu bar app that visualizes keyboard presses, mouse clicks, cursor halos, and scroll events on screen — for streamers, presenters, and developers."

src/routes/inputhalo/privacy.tsx

@@ -23,11 +23,13 @@
  */
 import { A } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 
 export default function InputHaloPrivacyPolicy() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Privacy Policy"
         description="Privacy policy for InputHalo, a macOS menu bar productivity app."

src/routes/lineage/contact.tsx

@@ -1,4 +1,5 @@
 import { ContactForm } from "~/components/ContactForm";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import { LineageContactQuestions } from "../contact";
 
@@ -24,6 +25,7 @@ import { LineageContactQuestions } from "../contact";
 export default function LineageContactPage() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={60} staleSeconds={3600} />
       <SubdomainHeader />
       <ContactForm>
         <LineageContactQuestions />

src/routes/lineage/deletion.tsx

@@ -33,6 +33,7 @@
  * the form posts to the correct tRPC mutation (Lineage-branded email).
  */
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import DeletionForm from "~/components/DeletionForm";
 import {
@@ -45,6 +46,7 @@ import {
 export default function LineageDeletionPage() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead title={PAGE_META.title} description={PAGE_META.description} />
       <SubdomainHeader />
       <div class="pt-20">

src/routes/lineage/downloads.tsx

@@ -30,6 +30,7 @@
 import { A } from "@solidjs/router";
 import { createSignal, onMount, onCleanup } from "solid-js";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import DownloadOnAppStore from "~/components/icons/DownloadOnAppStore";
 import Button from "~/components/ui/Button";
@@ -71,6 +72,7 @@ export default function LineageDownloadsPage() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead title={PAGE_META.title} description={PAGE_META.description} />
 
       <SubdomainHeader />

src/routes/lineage/index.tsx

@@ -11,6 +11,7 @@
  */
 import { A } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import SimpleParallax from "~/components/SimpleParallax";
 import DownloadOnAppStoreDark from "~/components/icons/DownloadOnAppStoreDark";
@@ -25,6 +26,7 @@ import {
 export default function LineageLandingPage() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead title={PAGE_META.title} description={PAGE_META.description} />
       <SubdomainHeader />
       <SimpleParallax>

src/routes/lineage/privacy.tsx

@@ -17,11 +17,13 @@
  */
 import { A } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 
 export default function LineagePrivacyPolicy() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Privacy Policy"
         description="Privacy policy for Life and Lineage mobile game, outlining data collection, usage, and user rights."

src/routes/nessa/contact.tsx

@@ -1,4 +1,5 @@
 import { ContactForm } from "~/components/ContactForm";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 
 /**
@@ -20,6 +21,7 @@ import SubdomainHeader from "~/components/SubdomainHeader";
 export default function NessaContactPage() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={60} staleSeconds={3600} />
       <SubdomainHeader />
       <ContactForm />
     </>

src/routes/nessa/deletion.tsx

@@ -24,6 +24,7 @@
  * Acceptance: `nessa.localhost:3000/deletion` renders the deletion form.
  */
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import DeletionForm from "~/components/DeletionForm";
 import {
@@ -36,6 +37,7 @@ import {
 export default function NessaDeletionPage() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead title={PAGE_META.title} description={PAGE_META.description} />
       <SubdomainHeader />
       <div class="pt-20">

src/routes/nessa/index.tsx

@@ -12,6 +12,7 @@
  */
 import { For, Show } from "solid-js";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import { useDarkMode } from "~/context/darkMode";
 import { useSite } from "~/context/SiteContext";
@@ -59,6 +60,7 @@ export default function NessaLanding() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead {...NESSA_LANDING_META} />
 
       <SubdomainHeader />

src/routes/nessa/privacy.tsx

@@ -29,11 +29,13 @@
  */
 import { A } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 
 export default function NessaPrivacyPolicy() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Privacy Policy"
         description="Privacy policy for Nessa, a community platform for clubs, challenges, and social features."

src/routes/nook/index.tsx

@@ -1,4 +1,5 @@
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 import FeatureCollage from "~/components/nook/FeatureCollage";
 import FeatureBreakdowns from "~/components/nook/FeatureBreakdowns";
@@ -57,6 +58,7 @@ export default function NookLanding() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Home"
         description="The Nook — a native macOS utility for coding-agent orchestration, fan and thermal control."

src/routes/nook/privacy.tsx

@@ -7,11 +7,13 @@
  */
 import { buildMainSiteUrl } from "~/lib/subdomain-url";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 import SubdomainHeader from "~/components/SubdomainHeader";
 
 export default function NookPrivacyPolicy() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Privacy Policy"
         description="Privacy policy for The Nook, a coding-agent orchestration and hardware control app."

src/routes/privacy-policy/index.tsx

@@ -1,5 +1,6 @@
 import { A } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 
 /**
  * Main-site privacy policy — `freno.me/privacy-policy`.
@@ -14,6 +15,7 @@ import { PageHead } from "~/components/PageHead";
 export default function PrivacyPolicy() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Privacy Policy"
         description="Privacy policy for the freno.me blog and personal site, covering accounts, comments, and contact forms."

src/routes/privacy-policy/shapes-with-abigail.tsx

@@ -1,9 +1,11 @@
 import { A } from "@solidjs/router";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 
 export default function PrivacyPolicy() {
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Privacy Policy - Shapes with Abigail"
         description="Privacy policy for Shapes with Abigail app, explaining our commitment to child safety and non-collection of personal data."

src/routes/resume.tsx

@@ -1,5 +1,6 @@
 import { onCleanup, onMount } from "solid-js";
 import { PageHead } from "~/components/PageHead";
+import { EdgeCacheHeaders } from "~/components/EdgeCacheHeaders";
 
 export default function Resume() {
   let iframeRef: HTMLIFrameElement | undefined;
@@ -25,6 +26,7 @@ export default function Resume() {
 
   return (
     <>
+      <EdgeCacheHeaders maxAge={300} />
       <PageHead
         title="Resume"
         description="View Michael Freno's resume - Software Engineer."