perf(head): optimize initial GitHub API connection using preconnect & dns-prefetch#97
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Summary
This PR introduces network resource hints (
preconnectanddns-prefetch) forhttps://api.github.comin the root HTML<head>.Since this app relies heavily on fetching data from the GitHub REST/GraphQL API, establishing the DNS lookup, TCP handshake, and TLS negotiation early during the initial document load significantly reduces connection latency for subsequent network requests.
Changes Made
<link rel="preconnect" href="https://api.github.com" />to establish early TLS/TCP connections.<link rel="dns-prefetch" href="https://api.github.com" />as a fallback for legacy browser support.Expected Impact
fetchrequests to GitHub's servers.How to Verify
Ctrl + Shift + R).api.github.comrequest; notice that DNS Lookup, Initial Connection, and SSL phases are resolved in advance.