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PCWattVault vs ValidateHTML

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

PCWattVault compared with ValidateHTML
DetailPCWattVault logo PCWattVaultValidateHTML logo ValidateHTML
What it doesReal-time PC power consumption monitor for Windows with electricity cost tracking HTML validation API and free online validator for deployed pages
StageNot given Not given
FoundedNot given Not given
Based inNot given FR
Pricing modelFree Freemium
PricingFree. All Pro features are currently free for early adopters with founder/early-adopter status. Free: unlimited validators and checkers, no account required, free site scans. Solo: 49 EUR per month including full site reports and monitoring of 1 site. Agency: 149 EUR per month including monitoring of 10 sites. Automatic fixes: from 3 EUR for 10 pages, 1 free fix daily without account. Full sit
Key features
  • Local-first with no cloud sync, no accounts and no telemetry
  • Accessibility (WCAG) validation with machine-detectable failures
  • HTML specification compliance checking
  • Meta tags and viewport validation
  • Open Graph checker
  • Page weight measurement and compression analysis
  • Single API endpoint with configurable checks
  • Single verdict field for build pipeline integration
  • Automatic AI-powered HTML fixes
  • Weekly site audits with change notifications
  • GitHub Actions integration
What makes it different
  • Permanent history recording in background so no data gaps occur
  • Founder status guarantees all current Pro features remain free forever
  • One API call runs five checks on a single page fetch instead of five separate requests
  • Single boolean verdict for build pipelines to act on without parsing prose
  • False-positive filtering eliminates unreliable findings
  • Quality score based on issue variety, not count, capping best-practice impact
  • Free tools remain unlimited without account or daily limits
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)2 −1 (down) since last check9 no change since last check
Trust Flow (Majestic)010
Citation Flow (Majestic)132
Referring domains (Majestic)2124

5 details filled in for both companies.

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