GT

GTmetrix OpenAPI Specification

Website performance testing: run page speed tests, fetch reports, monitor pages and alerts

42 operations75 schemas1 revision

Changes

Full history

Source

View schema
Spec
OpenAPI 3.0.2
Document
gtmetrix.com · JSON, 325 KB
Retrieved
Oct 19, 2026, 13:48 UTC
Digest
ef00e03bbfed

For agents

Every page here has a markdown twin. The overview is one fetch; the llms.txt lists every operation with a link to its own markdown.

curl https://skmtc.dev/gtmetrix/apis/gtmetrix-openapi-specification.md
curl https://skmtc.dev/gtmetrix/apis/gtmetrix-openapi-specification/llms.txt