The Revalidation Layer of app.onepassapps.com: 56 Pages That Cannot Be Revalidated, and 12 Files That Can

<p>I work on OnePassApps, so this is our own site and our own build. Every number below was measured on app.onepassapps.com today with plain HTTPS requests from one server - no browser session, no cookies, no JavaScript.</p> <p>The question is narrow and practical: <strong>when a browser already has a copy of one of our pages, can it ask "has this changed?" without downloading the page again?</str

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