Lightning Demos Wednesday

on YouTube ↗31m

" summary

YSlow surfaces a Chrome beta and a mobile bookmarklet, adds social sharing and an interactive YSlow score meter where toggling compression, caching or combining files moves a page from D to B; a HAR importer is coming with an August release. WebPageTest exposes an advanced webpagetest scripting layer for multi‑page navigation, frame‑by‑frame visual diff at 100 ms, header/DNS overrides and batch runs. A remote debugger (weinre) provides a weinre remote inspector with live DOM, styles, console and timeline on device. The HTTP Archive runs ~20,000 URLs biweekly and aims for 1,000,000; top‑100 pages average 437k vs top‑1,000 690k, cachingless resources rise 26%→40%, redirects 54%→65%, images add ~50k.

AI-written summary · about

" chapters (6)

1. 0:00Yahoo’s performance tools
2. 3:59WISO mobile beta
3. 7:12Advanced WebPageTest scripting
4. 14:03Remote debugging with Weinre
5. 22:35HTTP Archive overview
6. 29:44HTTP Archive joins Internet Archive

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