Web performance and testing
Tools for measuring web performance and testing sites across devices and browsers
Web performance and testing is growing in line with its peers; its strongest place is code editor extensions at 1.0× the typical product. The fastest product is vercel-optimize, up 1.6×. 41 products measured, as of Oct 10, 2026.
Where it grows against its peers
- Code editor extensions5 products1.01×
- Agent skills13 products0.84×
The line marks 1×: the typical product in that place.
Fastest products
- 1vercel-optimizeAgent skills1.6×
- 2gsap-performanceAgent skills1.2×
- 3fixing-motion-performanceAgent skills1.2×
- 4browser-testing-with-devtoolsAgent skills1.2×
- 5Azure Load TestingCode editor extensions1.1×
Web performance and testing: quick answers
Not faster than its peers right now; the closest is code editor extensions at 1.0× the typical product.