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Reference edition 2026.46

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PerfDelta vs SEOStudio

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

PerfDelta compared with SEOStudio
DetailPerfDelta logo PerfDeltaSEOStudio logo SEOStudio
What it doesFree website speed test measuring multiple pages with Core Web Vitals, lab metrics, competitor benchmarks and AI recommendations AI SEO agent that gets your site found on Google and ChatGPT
StageNot given Startup
FoundedNot given 2026
Based inDE GB
Pricing modelFreemium Freemium
PricingFree: 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 Free: up to 3 sites, pay as you go. Pro: $29 a month or $290 a year for 100 sites and unlimited team, then $1 per site per month for extras. Lifetime: $499 once for 100 sites, then $1 per site per month for extras.
Key features
  • 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
  • AI content writer that scores pages against competitors
  • AI visibility to track mentions in ChatGPT, Gemini and Google AI
What makes it different
  • 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
  • Pay only for what you use on Free plan, no fixed subscription
  • Real Google data for keyword research and rank tracking
  • Content scoring against live search results to hit rankings
Community votes00
DR (Domain Rating by Ahrefs)3 no change since last check1 +1 (up) since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)156
Referring domains (Majestic)22

6 details filled in for both companies.

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