Sitemap Integrity Suite: 50 checks | SEO Score API check catalog

ID	Check	Passes when	Weight	Runs
2.2.01	Fetch /sitemap.xml	HTTP 200	Critical	Deterministic
2.2.02	Validate sitemap.xml MIME type = application/xml or text/xml	Correct MIME	Critical	Deterministic
2.2.03	Confirm sitemap.xml parses without XML errors	Valid XML	Heavy	Deterministic
2.2.04	Identify if sitemap.xml is an index referencing child sitemaps	Correct structure	Heavy	Deterministic
2.2.05	Extract all <sitemap> entries	Non-zero count if index sitemap	Heavy	Deterministic
2.2.06	Confirm each child sitemap URL returns HTTP 200	200	Heavy	Deterministic
2.2.07	Confirm each child sitemap URL is HTTPS	HTTPS	Heavy	Deterministic
2.2.08	Confirm lastmod tags exist in sitemap index	Present	Medium	Deterministic
2.2.09	Validate lastmod values are within 12 months for active sites	Up-to-date	Medium	Deterministic
2.2.10	Fetch all URLs from sitemap(s) into memory	URLs extracted	Heavy	Deterministic
2.2.11	Count total URLs in sitemap(s)	Reasonable count (< 50,000 per file)	Heavy	Deterministic
2.2.12	Validate sitemap does not exceed allowed 50MB uncompressed	Valid	Heavy	Deterministic
2.2.13	Validate each sitemap file does not exceed 50,000 URL entries	Valid	Heavy	Deterministic
2.2.14	Ensure no disallowed URLs appear in sitemap	No robots-blocked URLs	Critical	Deterministic
2.2.15	Ensure canonical URLs match sitemap URLs	Identical	Heavy	Deterministic
2.2.16	Validate URL paths use lowercase	Consistent	Medium	Deterministic
2.2.17	Validate URLs end in normalized format (slash vs no-slash)	Consistent	Medium	Deterministic
2.2.18	Detect duplicate URLs inside sitemaps	Zero duplicates	Heavy	Deterministic
2.2.19	Detect URLs appearing in more than one sitemap file	No redundancy	Heavy	Deterministic
2.2.20	Validate HTTP status of all sitemap URLs	200	Heavy	Deterministic
2.2.21	Detect sitemap URLs returning 3xx	< 5%	Heavy	Deterministic
2.2.22	Detect sitemap URLs returning 4xx	0	Heavy	Deterministic
2.2.23	Detect sitemap URLs returning 5xx	0	Heavy	Deterministic
2.2.24	Validate sitemap URLs contain no query parameters	Clean URLs	Medium	Deterministic
2.2.25	Validate sitemap URLs contain no session IDs	Clean URLs	Medium	Deterministic
2.2.26	Validate sitemap URLs contain no hash fragments	Clean URLs	Medium	Deterministic
2.2.27	Confirm mobile version URLs (if present) match desktop	Consistency	Heavy	Deterministic
2.2.28	Validate hreflang sitemap entries (if multilingual)	Correct	Medium	Deterministic
2.2.29	Cross-validate <loc> URLs with hreflang alternate URLs	Correct	Medium	Deterministic
2.2.30	Ensure sitemap does not include staging/dev URLs	None	Medium	Deterministic
2.2.31	Ensure sitemap does not include admin URLs	None	Medium	Deterministic
2.2.32	Fetch and validate media/image sitemap (if exists)	Valid structure	Heavy	Deterministic
2.2.33	Validate <image:image> tags	Correct	Medium	Deterministic
2.2.34	Fetch and validate video sitemap (if exists)	Valid	Heavy	Deterministic
2.2.35	Validate <video:video> tags	Correct	Medium	Deterministic
2.2.36	Identify orphan pages missing from sitemap	None	Heavy	Deterministic
2.2.37	Identify sitemap URLs missing from site navigation	Minimal	Heavy	Deterministic
2.2.38	Validate that sitemap URL count aligns with site size	Reasonable	Medium	Deterministic
2.2.39	Validate that sitemap updates automatically with new pages	Automated	Medium	Deterministic
2.2.40	Validate sitemap compression (e.g., sitemap.xml.gz) if large	Present	Critical	Deterministic
2.2.41	Detect malformed URLs (spaces, invalid chars)	None	Medium	Deterministic
2.2.42	Validate indexing priority <priority> tags (if used)	Reasonable	Heavy	Deterministic
2.2.43	Validate <changefreq> tags (if used)	Reasonable	Medium	Deterministic
2.2.44	Detect outdated URLs still present in sitemap	None	Medium	Deterministic
2.2.45	Validate sitemap resolves correctly across user-agents	Same result for Chrome/Googlebot/Bingbot	Heavy	Deterministic
2.2.46	Detect soft-404 URLs inside sitemap	None	Medium	Deterministic
2.2.47	Validate canonical chain for sitemap URLs	Canonical → Self	Heavy	Deterministic
2.2.48	Validate that each sitemap URL is indexable	Indexable	Heavy	Deterministic
2.2.49	Detect cloaked sitemaps (different XML for Googlebot vs browser)	Identical	Critical	Deterministic
2.2.50	Compute total sitemap integrity composite score	>= 90%	Critical	Deterministic

2.2 Sitemap Integrity Suite

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