ProofRank vs PerfDelta

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ProofRank compared with PerfDelta
Detail	ProofRank	PerfDelta
What it does	Free website score checker that measures performance, SEO, accessibility, security, reliability and AI crawler access	Free website speed test measuring multiple pages with Core Web Vitals, lab metrics, competitor benchmarks and AI recommendations
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	DE
Pricing model	Freemium	Freemium
Pricing	Free: no card needed; Pro: $19.99/month or $199.99/year; Spotlight: $59.99/month or $599.99/year (2 months free when paying yearly). Free submissions add a Featured on ProofRank badge. Priority Review: $5.00 once.	Free: test up to 3 pages with manual measurements only. Solo: €23/month or €230/year (25 monitored URLs, daily or weekly monitoring, 600 tests/month). Agency: €59/month or €590/year (150 monitored URLs, monitoring every 6 hours, 4,000 tests/month). Scale: €119/month or €1,190/year (500 monitored URL
Key features	Private website analysis without signup required SEO, accessibility, performance, security, privacy and reliability checks AI crawlability matrix with evidence Action Queue with fix guidance Public project profiles and rankings Competitor tracking and monthly or weekly reports Score history tracking Multiple sites in workspace Published profile claiming and ownership verification Before and after verification of technical findings	Tests multiple pages automatically from sitemap Competitor benchmark comparison with up to 4 competitors Shows Core Web Vitals from real Chrome users PageSpeed history tracking over time Performance budgets with email alerts Shareable reports with 365-day links REST API and MCP access for AI agents
What makes it different	Explains technical findings in readable reports rather than unexplained numbers Free public website checks require no signup or card Separates private analysis from public project submission and discovery Includes AI visibility prompt planning for verified owners Results available in under a minute	Tests several pages simultaneously instead of one URL at a time Combines field data from real users with lab metrics in one report Built-in competitor benchmarking against up to 4 domains Industry-specific benchmarks showing what is normal in each sector No sign-up required for free testing on any website
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 +1 (up) since last check	3 no change since last check
Trust Flow (Majestic)	5	0
Citation Flow (Majestic)	23	15
Referring domains (Majestic)	11	2

5 details filled in for both companies.

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