3%
of traffic lost to load time, estimated.
92%
92% under 2.5s5% 2.5 to 4s3% over 4s
How long real visitors actually waited, measured by Chrome over the last 28 days.
How we got that number
Visitors who waited over 4 seconds3.3%
Visitors who waited 2.5 to 4 seconds4.6%
half of these are past Google's 3 second mark+2.3%
Visitors getting a load slow enough to matter5.6%
Google: mobile visits abandoned past 3 seconds× 53%
Estimated traffic lost to load time3%
Visitor timings from the Chrome UX Report for this page. Abandonment rate from Google, “The Need for Mobile Speed”. Full method and limits →
Lighthouse, mobile
90
Performance
100
Accessibility
100
Best practices
92
SEO
Page weight
500 KB
downloaded on a single visit to the blog index.
A fast blog index is under 1 MB.
Work your way down
There is no payment button. Fix the issues above on your own site, then recheck. If the numbers improve, the rank drops.
We run this board. Superblog scored 52 on mobile in July 2026. We fixed it, and we show that starting number because a scoreboard run by a vendor is worth nothing if the vendor exempts itself. We are ranked on the same scale as everyone else, and we are not first.