Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Page Speed Score Calculator

Estimates a composite page speed score from Core Web Vitals — LCP, FID, and CLS — weighted by their SEO impact. Use it to diagnose performance gaps before auditing your site or comparing mobile vs. desktop results.

Largest Contentful Paint (LCP) (seconds)

First Input Delay (FID) (ms)

Cumulative Layout Shift (CLS) (score)

Device Type

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Seo Metrics

Technical SEO Audit Score

Score your website's technical SEO health from 0 to 100 by analysing crawl errors, indexation completeness, XML sitemap presence, and SSL status. Use it to triage technical issues before an optimisation sprint.

Crawl Errors Count (errors)

Pages Indexed by Google (pages)

Total Site Pages (pages)

XML Sitemap Status

SSL Certificate

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Key differences

	Page Speed Score Calculator	Technical SEO Audit Score
Category	Seo Metrics	Seo Metrics
Inputs required	4	5
Result	Page Speed Score (/100)	Technical SEO Score (/100)
What it does	Estimates a composite page speed score from Core Web Vitals — LCP, FID, and CLS — weighted by their SEO impact. Use it to diagnose performance gaps before auditing your site or comparing mobile vs. desktop results.	Score your website's technical SEO health from 0 to 100 by analysing crawl errors, indexation completeness, XML sitemap presence, and SSL status. Use it to triage technical issues before an optimisation sprint.