Update (): I just learned that WebPositive, the web browser in Haiku OS, stopped announcing support for Deflate in August 2014. It’ll still attempt to decode Deflate responses, however. It’s the first (and only) web browser to drop Deflate.
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Update (): Bing today published a blog post announcing the deprecation of the bing.com/ping API. The announcement says it’s deprecated “starting today”. However, readers of my blog will know it stopped working five months ago.
preconnectUpdate (): If you’re using the newer Google AdSense script where the script element include an crossorigin="anonymous" attribute, then you need to duplicate all the link elements above with a matching attribute. (The current version of Google’s script relies on both anonymous and regular connections.) Check y…
<link rel=dns-prefetch> and when to use preconnectUpdate (): Quick update to say that nothing has changed! Neither Firefox version 100 nor Safari version 15.4 has addressed any of the issues discussed in this article.
Update (): SSLPing ceased operations in April 2022 after getting crushed by its own technical debt. Read the statement from Chris Hartwig. Most people looking for a free certificate monitoring service are probably already using free certificates from Let’s Encrypt; who’ve automated certificate renewals and se…
Update (): The issue described below was fixed in Safari 15 (released in September 2021). This version is only available on iOS version 15 and newer, and MacOS version 12 and newer.
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Update (): Chrome now offers third-party partner search engines to opt-in to preconnect. It’s not documented publicly, but the source code is available publicly. This option is not open to non-partner search engines, however. Currently, only Google Search has opted in to using the preconnection behavior (liek…
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webRequest extension APIUpdate (): Chrome has expanded the declerativeNetRequest API to support regular expressions (regex) and redirects This change should handle many common use-cases for extensions.
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