response.slow
The HTML response took longer than the configured threshold (default 2000 ms).
What to change
Reduce server response time: cache the HTML, avoid blocking data fetches during render, use a CDN. Google recommends TTFB under 800 ms.
The documentation on web.devA finding of this rule on a page carries the exact edits for that page: the markup it quotes, and what to write instead.
When it runs
Runs on every SEO audit: of a page, a crawl, a build directory or HTML. A warning is a problem that costs a page ranking, clicks or citations. Each finding takes 5 points off the page's score.
The severity here is the rule's usual one: a finding can be raised or lowered when the page gives a reason.
Run it, or skip it
Check a page for this rule alone, after a fix for instance:
npx @rivi-software/agentic-seo-check audit https://example.com --rule response.slowOr from an assistant, with the MCP tool seo_audit_page:
{
"url": "https://example.com",
"rules": [
"response.slow"
]
}To leave it out of an audit, pass --disable response.slow on the command, or disableRules: ["response.slow"] to a tool.
More in The HTTP response
All 7 rules- Error
response.error-statusThe URL returned a 4xx or 5xx status code. - Info
response.redirectedThe requested URL redirected to another URL. - Warning
response.redirect-chainThe URL goes through two or more redirects before reaching the final page. - Warning
response.not-htmlThe response Content-Type is not HTML. - Info
response.truncatedThe page is larger than the audit reads (5 MB; 2 MB on the hosted server), so only its first part was audited. - Warning
response.not-httpsThe final URL is served over plain http.