Tag Archives: chrome

所有主流瀏覽器的最新版都支援 WebAssembly 了

Mozilla 的「WebAssembly support now shipping in all major browsers」提到了最近幾個禮拜,新版的 Safari 與 Edge 都相繼支援 WebAssembly 了: In the past weeks, both Apple and Microsoft have shipped new versions of Safari and Edge, respectively, that include support for WebAssembly. 由於 Chrome 與 … Continue reading

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CloudFlare 也要提供 Certificate Transparency 的 Log 伺服器了...

看到 CloudFlare 請求加入 Chromium (Google Chrome) 的伺服器列表:「Certificate Transparency - Cloudflare "nimbus2017" Log Server Inclusion Request」。 對照之前的「Chromium 內提案移除 HPKP (HTTP Public Key Pinning)」以及「Let's Encrypt 的 Embed SCT 支援」,這樣看起來是瀏覽器內會有一份白名單,只有在這白名單上的 Embed SCT 才會被信任... 但弄到這樣的話,log server 是不是也要有稽核機制? 好像哪邊搞錯了方向啊...

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強制 Facebook 的「時間軸」依照時間排序

在 TechCrunch 的「How I cured my tech fatigue by ditching feeds」這篇提到了 Social Network 成隱的問題: Many people have deleted the Facebook app from their phone to avoid this mindless habit. “What’s going on in my feed?” they think. Then they scroll, … Continue reading

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Chromium 內提案移除 HPKP (HTTP Public Key Pinning)

Twitter 上看到這則 tweet,提到要移除 HPKP (HTTP Public Key Pinning): Intent To Deprecate And Remove: Public Key Pinning (in Chromium) https://t.co/agS3fll7eR — Adam Langley (@agl__) October 27, 2017 blink-dev 上的討論可以參考「Intent To Deprecate And Remove: Public Key Pinning」(就是上面那個連結,只是拉出來)。 這個提案大概可以推敲出理由... 目前的作法必須寫進瀏覽器內,這樣明顯會有 scale 問題,而且這個作法本身就很 workaround,只能保護所謂「高價值」的 … Continue reading

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Google Chrome 支援 APNG 了...

翻資料的時候才發現 Google Chrome 從 59 版 (今年六月進 stable channel) 就支援 APNG 了,這樣所有主流瀏覽器只剩下微軟家的 IE 與 Edge 還沒支援了: 找了一下當時的新聞:「Chrome 59 will fully support animated PNGs」,以及對應的 ticket:「Request for enhancement: APNG (animated PNG)」。 APNG 相較於 GIF 多了透明的設計 (GIF 需要拿一個顏色來當作透明),以及更多的色彩,但對於瀏覽器的支援一直都不完整: The GIF file format has … Continue reading

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Cloudflare 也能在各端點跑 JavaScript 了

類似於 AWS 先前推出的 Using CloudFront with Lambda@Edge (參考「在 CloudFront 的 edge 上跑 Lambda」以及「Lambda@Edge 的 GA」),Cloudflare 也推出了類似的功能:「Introducing Cloudflare Workers: Run Javascript Service Workers at the Edge」、「Code Everywhere: Why We Built Cloudflare Workers」。 整個系統是架構在 Chrome V8 上,尤其是安全性的部分是 Cloudflare 的人頗讚賞的重點: Security: The V8 … Continue reading

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Google Chrome 將 .dev 設為 HSTS Preload 名單

其實是兩件事情... 第一件是 Google Chrome 把 .dev 結尾的網域設為 HSTS Preload 名單:「Chrome to force .dev domains to HTTPS via preloaded HSTS」。 第二件事情是隨著第一件來的,HSTS Preload 必須由 domain 擁有人提出啊... 所以 .dev 是合法的 TLD (gTLD)? 文章作者給了答案,是的,而且就是 Google 擁有的: Wait, there's a legit .dev gTLD? Yes, unfortunately. … 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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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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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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