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Houzz rate-limits datacenter IPs with a bare HTTP 429. Under prerender the headless browser returns an empty shell that hides the block, so is-antibot never sees it. Routing houzz through fetch mode surfaces the 429 status, letting is-antibot flag it (domain-scoped rule) and escalate to the proxy. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Houzz rate-limits datacenter IPs with a bare HTTP 429. Under prerender the headless browser returns an empty shell that hides the block, so is-antibot never sees it. Routing houzz through fetch mode surfaces the 429 status, letting is-antibot flag it (domain-scoped rule) and escalate to the proxy.
Note
Low Risk
Small domain-list and test change; behavior is scoped to Houzz fetch routing with no auth or data-model impact.
Overview
Houzz is added to the auto-domain list in
scripts/postinstall, so Houzz URLs are handled in fetch mode instead of prerender afterauto-domains.jsonis regenerated on install.That change is intentional: Houzz often returns HTTP 429 to datacenter IPs, and prerender can yield an empty page that hides the block. Fetch mode keeps the real status visible so is-antibot can detect the rate limit and escalate to the residential proxy. A test in
test/is-fetch-mode.jslocks in fetch mode for a sample Houzz photo URL, with a short comment explaining the behavior.Reviewed by Cursor Bugbot for commit b2abac3. Bugbot is set up for automated code reviews on this repo. Configure here.