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Tag

Notes tagged “caching”

Every note filed under caching, newest first.

A filtered view of the notes.

2026

  1. The Header That Grants Nothing

    CORS does not protect your server. It relaxes a rule about who may read a reply — and almost every misconfiguration comes from believing it does the opposite.

    security web cors http browsers caching dissecting-systems

  2. The URL Is the Hash

    Content-addressing on the wire — how the web quietly became a content-addressed store, where fingerprinted URLs and Subresource Integrity are real Merkle edges and the cache that looks most like one isn't.

    http caching content-addressing subresource-integrity merkle cdn web-performance security dissecting-systems

  3. The Header That Can't Be Cached

    Cache-Control from first principles — and why a page carrying a CSP nonce must be told never to be stored, not merely "don't cache."

    security csp http caching web dissecting-systems

2009

  1. memcache.js for Google App Engine application front-ends?

    Caching AJAX responses on the client by mapping App Engine’s datastore to JS objects.

    javascript google-app-engine caching archive