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Still waiting for Apple to enable PREFETCH https://caniuse.com/link-rel-prefetch https://caniuse.com/link-rel-prefetch It's been there since Safari v13.1 but

Still waiting for Apple to enable PREFETCH https://caniuse.com/link-rel-prefetch https://caniuse.com/link-rel-prefetch It's been there since Safari v13.1 but disabled by default. (PreFetch is what allows https://instant.page https://instant.page to load assets super fast.)

webmobdev 4y ago
And also extensively used for privacy invasive tracking (1) there is no same-origin restriction for link prefetching and (2) it allow cookies to be planted from tracking servers. ( https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefetching_FAQ https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefe... ).
- tiffanyh 4y ago
  I thought CSP mitigate this risk. https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/prefetch-src https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Co...
  - webmobdev 4y ago
    As you can see in the linked page, no browser supports it.