perimeter
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perimeter

Website security checks for small businesses and the agencies that build their sites. Passive by default; deeper checks only on sites you prove you own.

Check my site free

Product

  • Free website check
  • Pricing
  • Compare plans
  • For agencies
  • Create free account

Security guides

  • Is my website’s SSL certificate valid
  • How to turn off TLS 1.0 and TLS 1.1 on your website
  • Security headers explained
  • Stop email spoofing
  • Is your .git folder or .env file public

Trust

  • How we scan
  • Acceptable use
  • Opt your site out
  • Everything we check
  • Contact support
  • Passive checks only
  • robots.txt and opt-outs respected
  • Exact details shown to verified owners only
  • Payments by Paddle
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