PerfDelta vs quietwatch

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 quietwatch
Detail	PerfDelta	quietwatch
What it does	Free website speed test measuring multiple pages with Core Web Vitals, lab metrics, competitor benchmarks and AI recommendations	Daily checks that catch noindex tags, robots.txt blocks and crawler visibility issues on client sites before the client notices
Stage	Not given	Not given
Founded	Not given	Not given
Based in	DE	Not given
Pricing model	Freemium	Freemium
Pricing	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	Free instant checks available. Founding: $19/month for first 10 customers (up to 10 sites, locked 12 months). Starter: $29/month or $279/year (up to 10 sites, email alerts). Agency: $49/month or $470/year (up to 30 sites, Slack and webhook alerts). All plans include 14-day free trial.
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	Fourteen daily automated checks from outside the website Noindex and meta robots detection Robots.txt and Cloudflare crawler blocks monitoring AI crawler detection (GPTBot, OAI-SearchBot, ClaudeBot, PerplexityBot, Google-Extended) Email alerts on change only TLS certificate expiry monitoring Domain registration expiry tracking Slack and webhook alerts Sitemap validation and parsing Structured data and JSON-LD parsing checks
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	Catches hidden indexability issues that uptime monitors miss - sites responding fine but invisible to search engines Fourteen specialized checks covering SEO, AI crawler visibility, and security in one tool Unique guarantee: 3 free months if a monitored issue is missed within 24 hours
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 no change since last check	2 no change since last check
Trust Flow (Majestic)	0	3
Citation Flow (Majestic)	15	20
Referring domains (Majestic)	2	6

5 details filled in for both companies.

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