HTTP 301INTERNAL HTTP
Permanent redirect
HTTP 301 to the 200 endpoint
/endpoint.php?case=redirect301Open test link ↗Two kinds of checks: this page has one Amazon fixture for affiliate discovery and separate same-site endpoints for HTTP diagnostics. A scanner designed to examine only known retailer links may ignore these internal endpoints. They can still be tested directly with a browser or HTTP client.
Redirect behavior
All redirects stay within this subdomain.
HTTP 302INTERNAL HTTP
Temporary redirect
HTTP 302 to the 200 endpoint
/endpoint.php?case=redirect302Open test link ↗Redirect chainINTERNAL HTTP
Two-hop redirect chain
302 → 301 → 200
/endpoint.php?case=chainOpen test link ↗Redirect loopINTERNAL HTTP
Redirect loop
Two local URLs redirect to each other
/endpoint.php?case=loopaOpen test link ↗Controlled HTTP responses
Status codes are set by PHP on the server, so they are repeatable when deployed correctly.
HTTP 200INTERNAL HTTP
Healthy endpoint
A known-good HTTP 200 response
/endpoint.php?case=okOpen test link ↗HTTP 403INTERNAL HTTP
Forbidden endpoint
A deliberately simulated HTTP 403
/endpoint.php?case=forbiddenOpen test link ↗HTTP 404INTERNAL HTTP
Missing resource
A deliberately simulated HTTP 404
/endpoint.php?case=missingOpen test link ↗HTTP 410INTERNAL HTTP
Gone resource
A deliberately simulated HTTP 410
/endpoint.php?case=goneOpen test link ↗HTTP 429INTERNAL HTTP
Rate limited
A deliberately simulated HTTP 429
/endpoint.php?case=throttledOpen test link ↗HTTP 500INTERNAL HTTP
Server error
A deliberately simulated HTTP 500
/endpoint.php?case=errorOpen test link ↗HTTP 503INTERNAL HTTP
Service unavailable
A deliberately simulated HTTP 503
/endpoint.php?case=unavailableOpen test link ↗Crawl coverage fixtures
Robots-disallowed page
Included in sitemap.xml, but disallowed in robots.txt. A robots-respecting crawler should not request its contents. It may record a coverage warning instead.
View disallowed source page ↗Additional external affiliate fixture
Tagged / expected IDAMAZON
Tagged Amazon item
This link can appear in the affiliate scan despite the other examples being internal.
https://www.amazon.com/dp/B0DEMO0012?tag=snapdemo-20Open test link ↗