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- Create an HTTP Archive query to find out what **% of WordPress sites use third-party render-blocking script**.
For the query use below references:
- https://almanac.httparchive.org/en/2022/javas…
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### Description
Hi,
In `amp-analytics` today, any variables that you request on a beacon will "hold" the beacon from being sent until all of the variables are resolved:
https://amp.dev/docume…
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Hi, original author here (well, one of them). I've been keeping an eye on the code and the various maintainers. It's really great that you guys are keeping this running. Honestly I kind of impressed t…
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My thinking was to have a list you could search through these terms and also a page for each so you could in the browser type:
```
https://webdev.wt/ajax
```
And it would redirect you to the a…
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Google lighthouse new scoring metrics have made it very hard to use images as the LCP above the fold. There is a new plugin to address this for gatsby-images here: https://www.npmjs.com/package/@wardp…
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按照谷歌提供的衡量网页质量的自动化工具[灯塔](https://developers.google.com/web/fundamentals/performance/get-started/measuringperf-2?hl=zh-cn)提供的指标来看，主要有以下几个类目的指标：
### Performace
1 ['First Contentful Paint'](https://…
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@rianfowler commented on [Tue Jan 29 2019](https://github.com/department-of-veterans-affairs/vets.gov-team/issues/16628)
- webfonts don't start loading until the CSS is processed which increases the …
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In an effort to help specifications use auto-links to the HTML spec (which relies on relevant definitions from the HTML spec being marked as exported), I've looked at non-exported definitions that 3 s…
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If not covered in the Media Chapter:
- [ ] Usage of srcset and sizes attributes and tag (median % of pages)
- [ ] Usage of various image formats (jpg, png, gif, webp, avif, jpeg-xl, etc.)
- [ ]…
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# 捕获FMP的原理
FMP（全称“First Meaningful Paint”，翻译为“首次有效绘制”）表示页面的“主要内容”开始出现在屏幕上的时间点。它是我们测量用户加载体验的主要指标。
通常我们使用测评工具（例如：Lighthouse）就可以得到FMP值。但是这里有一个问题是：不同产品的“主要内容”是不一样的；对于博客，主要内容是文章标题+首屏文本（可见的文本）、对于搜索引擎主…