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seo tool
Measure LCP, INP and CLS for any URL.
Free
No signup
use in your browser
Locale
India-tuned
defaults built for India
Runtime
Instant
client-side by default
Privacy
Nothing stored
no analytics, no cookies
Enter a URL.
Wait for the run (usually under 30 seconds).
Review the Core Web Vitals report.
Bookmark this tool - re-run after every edit so the result reflects the latest copy.
The output shows LCP, INP, CLS and TTFB with pass or fail against Google's thresholds. We also list the top opportunities.
Critical
Cut the score the most. Fix these first.
Warning
Meaningful drops. Tackle after the criticals.
Info
Small nudges. Polish when you have time.
Paste a single line of metrics from your Lighthouse / PageSpeed report: url,LCP,INP,CLS,TTFB,FCP,SI.
| URL | LCP | INP | CLS | TTFB | FCP | SI |
|---|---|---|---|---|---|---|
| https://www.webgrow24.com/ | 1200 ms | 80 ms | 0.05 | 250 ms | 800 ms | 1500 ms |
| https://www.webgrow24.com/services/seo/ | 2800 ms | 180 ms | 0.12 | 400 ms | 1800 ms | 3200 ms |
| https://www.webgrow24.com/tools/ | 1600 ms | 90 ms | 0.03 | 180 ms | 1100 ms | 1800 ms |
Good
Meets Core Web Vitals threshold.
Needs work
Within 1.5x of the threshold.
Poor
Beyond 1.5x the threshold.
Under 2.5 seconds. We aim for under 2.0 seconds on a slow phone on a throttled connection.
Under 0.1. We aim for under 0.05.
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