Category Archives: Browser

Mozilla 的提案「HTTP Immutable Responses」

狀態已經是 Category: Standards Track 了,RFC 8246 的「HTTP Immutable Responses」: The immutable HTTP response Cache-Control extension allows servers to identify resources that will not be updated during their freshness lifetime. This ensures that a client never needs to revalidate a cached … Continue reading

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Google Chrome 對 Symantec 全系列憑證的不信任計畫

Google Chrome 前陣子整理了一份對 Symantec 憑證的不信任計畫:「Chrome’s Plan to Distrust Symantec Certificates」。 這包括了一卡車的品牌,像是 Thawte、VeriSign、GeoTrust、RapidSSL,不過 Equifax 跟 Symantec 的關係我沒查到...: Symantec’s PKI business, which operates a series of Certificate Authorities under various brand names, including Thawte, VeriSign, Equifax, GeoTrust, and RapidSSL, had issued numerous … Continue reading

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Firefox 的 Headless 模式

繼 Google Chrome 推出 Headless 模式後,Firefox 也推出了:「Headless mode」。 目前正式版是 55 版,只有 Linux 版本有支援,下一個版本 56 版就會包括 Windows 與 Mac 了: Headless Firefox works on Fx55+ on Linux, and 56+ on Windows/Mac. 然後大家也都是以 Selenium 為重心,所以使用上應該不會是大問題...

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偵測 Chrome Headless

作者因為種種原因,想要偵測 Headless 模式的 Google Chrome:「Detecting Chrome Headless」。 之前因為主要是 PhantomJS,有很多地方跟一般的瀏覽器不同,可以利用這些不同的地方來判斷出是不是 PhantomJS: Until now, one of the most popular headless browser was PhantomJS. Since it is built on the Qt framework, it exhibits many differences compared to most popular browsers. As presented … Continue reading

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Firefox Nightly 的 Stylo

Firefox 的 Nightly 納入 Stylo 了,一個用 Rust 開發的套件,可以將 Servo 的 CSS style system 整進 Gecko 內:「Stylo is ready for community testing on Nightly!」。 Stylo (a.k.a. Quantum CSS) will integrate Servo's CSS style system into Gecko, such that the style system … Continue reading

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Adobe Flash 將在 2020 年 End of Life

Adobe 發出的公告,將在 2020 年中止所有對 Flash 的支援:「Flash & The Future of Interactive Content」。 Specifically, we will stop updating and distributing the Flash Player at the end of 2020 and encourage content creators to migrate any existing Flash content to these new … Continue reading

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Google Chrome 59 之後的新功能:看 CSS 與 JS 的 Coverage

在「What's New In DevTools (Chrome 59)」這邊看到 Google Chrome 59 後所推出新的工具,可以看目前網頁的 CSS 與 JS 跑過的 coverage 比率。 像是這樣,總大小以及未使用的比率: 然後可以再直接看有哪些部份沒跑到: 可以拿來分析,降低使用者下載的量。不過真的要切的話好像不太好做...

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Google Chrome 對 WoSign 與 StartCom 的白名單要完全移除了

在 Twitter 上看到的: Chrome will fully distrust WoSign and StartCom in Chrome 61; beta in July, stable in September. https://t.co/5fnda6aUQw — Ivan Ristic (@ivanristic) July 7, 2017 對 WoSign 與 StartCom 的移除會發生在 61 版,而依照「Final removal of trust in WoSign and … Continue reading

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除了 DNS 的 TTL 外,還有瀏覽器本身的 cache time...

在看「Reviewing Fastly’s New Approach To Load Balancing In The Cloud」這篇的時候被提醒: However, most browsers have implemented their own caching layer that can override the TTL specified by the server. In fact, some browsers cache for 5-10 minutes, which is an eternity … Continue reading

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Firefox 在 56 也要支援 Headless 模式

Google Chrome 出了以後 Firefox 決定要跟著出的感覺?慢了好幾拍...:「Support headless mode on Windows」。 目前 stable 版是 54.0,所以再兩個 release cycle 就會看到了... 這樣就有兩個有支援 headless 模式的瀏覽器 (而且底層 engine 不一樣) 可以測試了。現在要測的人可以在 nightly 裡看到了。

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