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Perch

Perch is an open-source semantic linter powered by SystemOne decision models. It reviews every pull request for bugs, security issues, and your own rules, for a

Perch is an open-source semantic linter powered by SystemOne decision models. It reviews every pull request for bugs, security issues, and your own rules, for about 20¢ a pull request.

Whois information

Domainperchscan.com
RegistrarCloudflare, Inc.
Created09/16/2026
Expires09/16/2027
Updated09/16/2026
Domain statusclient transfer prohibited
DNSSECUnsigned
Registrant countryRedacted
Name serversbrianna.ns.cloudflare.comcleo.ns.cloudflare.com

SEO audit

14 of 16 checks passed

90

SEO score

Response 197 ms · 18 KB

  • Served over HTTPS
  • Title tag present
  • Title length 30 to 60 characters
  • Meta description present
  • Description length 70 to 160 charactersKeep the description between 70 and 160 characters.
  • Exactly one H1 heading
  • Uses H2 sub-headings
  • Canonical URL set
  • Mobile viewport tag
  • Language declared
  • Open Graph tags
  • Twitter card tags
  • Structured data (JSON-LD)
  • Images have alt textAdd alt text to 7 images.
  • At least 300 words of content
  • Responds in under 1.5 seconds
Title (35 characters)
Perch — AI code review made for you
Description (184 characters)
Perch is an open-source semantic linter powered by SystemOne decision models. It reviews every pull request for bugs, security issues, and your own rules, for about 20¢ a pull request.
Headings
1 H1, 4 H2, 3 H3
Words on page
429
Links
13 internal, 25 external
Structured data
SoftwareApplication

On-page keywords

PhraseTypeMentions
pull requestTwo words5
code reviewTwo words2
store timestampsTwo words2
every changed methodThree words2
typical pull requestThree words2
contentreal issuespricingdocsblogresourcescompareexamplesbenchmarksgithubdiscordlog ingetThree words1
perchWord9
codeWord7

Tech stack and pricing

Cloudflare

Perch alternatives

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About Perch

What is Perch?

Perch is an open-source semantic linter powered by SystemOne decision models. It reviews every pull request for bugs, security issues, and your own rules, for a

What are the best Perch alternatives?

Popular alternatives in October 2026 include Microsoft Translator, ChatGPT, Sentry, OpenAI.