Skip to content

perf(web): inline CSS and lazy-load third-party scripts for mobile LCP #25

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
sarthakagrawal927 merged 1 commit into from
Sep 6, 2026
Merged

perf(web): inline CSS and lazy-load third-party scripts for mobile LCP #25

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions apps/web/astro.config.mjs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,4 +7,5 @@ export default defineConfig({
site: 'https://podcasts.highsignal.app',
server: { host: '127.0.0.1', port: 4321 },
session: { driver: 'memory' },
build: { inlineStylesheets: 'always' },
});
45 changes: 27 additions & 18 deletions apps/web/src/layouts/Base.astro
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -218,24 +218,33 @@ const structuredData = JSON.stringify({
</footer>
</div>
<script is:inline>
(function(c,l,a,r,i,t,y){
c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)};
t=l.createElement(r);t.async=1;t.src="https://www.clarity.ms/tag/"+i;
y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y);
})(window,document,"clarity","script","ybch0p6cta");
window.clarity("set", "project_id", "on-record");
// Lazy-load non-critical third-party scripts (Clarity, SaaS Maker widgets)
// after the page is interactive so they never compete for bandwidth on the
// critical render path. Issue #11: these total ~72KB and were pushing mobile
// LCP past 2.5s on slow 4G by stealing bandwidth from the render-blocking CSS.
(function () {
var idle = window.requestIdleCallback || function (cb) { return setTimeout(cb, 1500); };
idle(function () {
// Clarity
(function (c, l, a, r, i, t, y) {
c[a] = c[a] || function () { (c[a].q = c[a].q || []).push(arguments); };
t = l.createElement(r); t.async = 1; t.src = "https://www.clarity.ms/tag/" + i;
y = l.getElementsByTagName(r)[0]; y.parentNode.insertBefore(t, y);
})(window, document, "clarity", "script", "ybch0p6cta");
window.clarity("set", "project_id", "on-record");
// SaaS Maker widgets
var s1 = document.createElement("script");
s1.src = "https://sassmaker.com/project-strip.js";
s1.dataset.project = "on-record";
s1.defer = true;
document.body.appendChild(s1);
var s2 = document.createElement("script");
s2.src = "https://sassmaker.com/ai-chat-footer.js";
s2.dataset.name = "High Signal Podcasts";
s2.defer = true;
document.body.appendChild(s2);
});
})();
</script>
<script
is:inline
src="https://sassmaker.com/project-strip.js"
data-project="on-record"
defer
></script>
<script
is:inline
src="https://sassmaker.com/ai-chat-footer.js"
data-name="High Signal Podcasts"
defer
></script>
</body>
</html>