custom-metrics
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HTTPArchive
Custom metrics to use with WebPageTest agents
Add `bytesPerPixel` custom metric. This is calculated as (filesize in bits) / (image display height * image display width) **[Note that it would return `0` for cross-origin images that do...
Privacy 2024
Fixes/improves **ads.js** Following changes are made: 1. Added extraction of count of confudential entries assoicated with each sellers.json file. 2. Handled crawling of sellers.json hosted on non-standard paths but connected...
--- **Test websites**: - https://ebay.com - https://walmart.com
- [x] removed GPC client-side detection, doesn't make sense in lab tests. Use `.well-known/gpc.json` instead - [x] removed DNT client-side detection, doesn't make sense in lab tests - [x] removed...
I'm curious about the possibility of enhancing our current dataset by incorporating additional data points. - [x] Cookies: We're currently missing the cookies in the cookie jar, having only those...
In [performance.js](https://github.com/HTTPArchive/custom-metrics/blob/1453b36b96cbb1773aa362d86d90c4d59b28964d/dist/performance.js#L327-L335) we're capturing the speculation rules themselves. This tells us how the links should be prefetched/prerendered, but not which ones actually are. Add new metadata to the custom metric...
Based on the images metric, this one enumerates iframes present on the page including their: * url * width & height * naturalWidth and naturalHeight (for example when when w/h...
Currently as part of the "mobile web" chapter of the almanac we track "[alternative protocols](https://almanac.httparchive.org/en/2022/mobile-web#alternative-protocol-links)". Note that _both_ ends of this are a little strange as there's nothing particular to...
The `almanac` custom metric was created as a catch-all for any new data needed for the 2019 Web Almanac. In subsequent editions, we organized new metrics in "chapter-specific" files. Some...
Test URL: https://webpagetest.httparchive.org/result/221228_GY_1/1/details/#waterfall_view_step1 The LCP image is https://marieefleurir.com/html/template/default/img/top/firstviw01.jpg and is included in the initial HTML document sent by the server. I understand this should be recorded as `is_lcp_statically_discoverable` as `true`....