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Speedlify

@speedlify.dev

Lighthouse lab metrics, Axe, and Chrome UX Report field data for a list of sites recorded and compared over time. Created and maintained by @zachleat.com. www.speedlify.dev

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Speedlify @speedlify.dev · 21/09/2026

Speedlify Category Leaderboards №2

Dot plot of median Lighthouse performance score across 8 Speedlify categories, week of Sep 14–21, 2026, comparing last week with this week. Built Awesome 98, unchanged; Build Awesome Starters 100, unchanged; Big Tech 39, better than 37 last week; Web Hosts 56, worse than 60 last week; Site Generators 95, worse than 96.5 last week; Frameworks and Libraries 86.5, unchanged; AI 44, unchanged; Website Builders 49, worse than 51 last week. Largest change: Web Hosts, worse by 4.

Dot plot of median axe violations per page across 8 Speedlify categories, week of Sep 14–21, 2026, comparing last week with this week; fewer is better, so the axis runs from high on the left to low on the right. Built Awesome 1, unchanged; Build Awesome Starters 2, unchanged; Big Tech 14, worse than 12 last week; Web Hosts 3, unchanged; Site Generators 3, unchanged; Frameworks and Libraries 6, unchanged; AI 13, better than 14.5 last week; Website Builders 4, unchanged. Largest change: Big Tech, worse by 2.

Dot plot of the share of sites passing Core Web Vitals, counting only sites with CrUX field data, across 7 Speedlify categories, week of Sep 14–21, 2026, comparing last week with this week. Built Awesome 83.3% of 96 sites passing, worse than 84.3% last week; Big Tech 23.1% of 26 sites passing, unchanged; Web Hosts 21.1% of 19 sites passing, unchanged; Site Generators 76.9% of 13 sites passing, unchanged; Frameworks and Libraries 71.4% of 14 sites passing, worse than 78.6% last week; AI 46.2% of 13 sites passing, unchanged; Website Builders 12.5% of 8 sites passing, worse than 22.2% last week. Largest change: Website Builders, worse by 9.7 percentage points. Not shown for lack of field data: Build Awesome Starters.

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Speedlify @speedlify.dev · 21/09/2026

Speedlify Category Leaderboards №2

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