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Indexsy vs PerfDelta

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

Indexsy compared with PerfDelta
DetailIndexsy logo IndexsyPerfDelta logo PerfDelta
What it doesSEO services and link building for sustainable growth Free website speed test measuring multiple pages with Core Web Vitals, lab metrics, competitor benchmarks and AI recommendations
StageEstablished Not given
FoundedNot given Not given
Based inCA DE
Pricing modelPaid Freemium
PricingAuditStack starts at $50; Local Guest Posts from $90; Niche Edits from $95; LLM Booster from $99; Local PBN Citations from $250; BrowserBlast from $250; Full Service SEO available at custom quote. 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
  • AuditStack SEO audit delivered in 72 hours
  • Local guest posts building authority and backlinks
  • LLM Booster AI-powered content optimization
  • Local PBN Citations for local search dominance
  • BrowserBlast advanced link building and content distribution
  • Full Service SEO with complete technical optimization
  • 3000+ white hat backlinks built monthly
  • Team of 20+ PR representatives managing webmaster relationships
  • 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
  • Operator-led approach with direct access to experienced founders
  • White hat methods for sustainable, Google-approved results
  • Transparent reporting with clear metrics and regular updates
  • Proven expertise managing over 57 digital assets
  • Track record of 5+ years in business
  • 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 votes00
DR (Domain Rating by Ahrefs)65 −1 (down) since last check3 no change since last check
Trust Flow (Majestic)220
Citation Flow (Majestic)4015
Referring domains (Majestic)9782

6 details filled in for both companies.

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