Compare calculators

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

Page Authority Predictor

Predict a page's authority score using backlink profile, referring domains, domain authority, content quality, and technical SEO health. Useful when prioritizing link-building and on-page optimization efforts.

Total Backlinks (links)

Unique Referring Domains (domains)

Domain Authority

Content Quality Score

Technical SEO Score

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Seo Metrics

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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Key differences

	Page Authority Predictor	Page Speed Score Calculator
Category	Seo Metrics	Seo Metrics
Inputs required	5	4
Result	Predicted Page Authority (/100)	Page Speed Score (/100)
What it does	Predict a page's authority score using backlink profile, referring domains, domain authority, content quality, and technical SEO health. Useful when prioritizing link-building and on-page optimization efforts.	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.