True static generators like Hugo and Jekyll have the best loading scores on the web (good LCP near 90%), but the JavaScript tools that share the "static" label (Next.js, Nuxt, Gatsby) pass Core Web Vitals far less often.
Source: PageSpeed Matters analysis of static-tool origins with CrUX field data, mobile, May 2026.
The table is a gradient of JavaScript weight: the more a tool ships, the later the main content paints.
Source: PageSpeed Matters analysis, mobile 75th-percentile field data, May 2026.
True static tools clear the roughly 42% web average; the JavaScript-heavy ones fall well below it.
Source: Static Site Generators Compared: Hugo and Jekyll Hit 90% Good LCP, Next.js 29% - PageSpeed Matters