Pagination & Index-Control Suite: 60 checks | SEO Score API check catalog

ID	Check	Passes when	Weight	Runs
2.4.01	Detect presence of rel="next" and rel="prev" on paginated pages	Present if multi-page series	Critical	Deterministic
2.4.02	Validate rel="next" and rel="prev" form a bidirectional chain	Correct chain	Critical	Deterministic
2.4.03	Validate pagination URLs resolve to HTTP 200	200	Heavy	Deterministic
2.4.04	Validate canonical for paginated pages points to self, not page1	Self-canonical (modern standard)	Heavy	Deterministic
2.4.05	Validate page 1 canonical points to page 1	Correct canonical	Heavy	Deterministic
2.4.06	Validate title tag includes “Page X”	Present	Medium	Deterministic
2.4.07	Validate H1 includes “Page X”	Present	Medium	Deterministic
2.4.08	Validate meta description includes pagination indicator	Yes	Medium	Deterministic
2.4.09	Ensure paginated pages are NOT canonicalized to page 1 (old Google guideline)	Self-canonical	Critical	Deterministic
2.4.10	Ensure paginated pages are NOT noindexed unless intentional	Indexable	Critical	Deterministic
2.4.11	Ensure pagination does not cause infinite loops	No loop	Heavy	Deterministic
2.4.12	Detect soft-404s in paginated series	None	Heavy	Deterministic
2.4.13	Check pagination URLs for uppercase	Lowercase	Medium	Deterministic
2.4.14	Validate pagination slash consistency	Consistent	Medium	Deterministic
2.4.15	Validate pagination does not include URL parameters unless filter	Clean URLs	Heavy	Deterministic
2.4.16	Validate <link rel="canonical"> appears before </head>	Correct placement	Medium	Deterministic
2.4.17	Validate <meta name="robots"> matches intended index/noindex	Correct	Medium	Deterministic
2.4.18	Validate <meta name="robots"> is not overwritten by JS	No JS rewrites	Medium	Deterministic
2.4.19	Detect JS injecting “noindex” or “nofollow” on paginated pages	None	Critical	Deterministic
2.4.20	Validate paginated URLs appear in sitemap if indexable	Presence if required	Heavy	Deterministic
2.4.21	Validate paginated URLs appear in internal link graph	Discoverable	Medium	Deterministic
2.4.22	Validate page 1 is NOT treated as duplicate of canonical homepage	Distinct Canonical	Critical	Deterministic
2.4.23	Detect missing rel="next" on page 1	Present	Medium	Deterministic
2.4.24	Detect missing rel="prev" on page 2+	Present	Medium	Deterministic
2.4.25	Validate correct rel="next" on all pages except last	Correct chain	Heavy	Deterministic
2.4.26	Validate correct rel="prev" on all pages except first	Correct chain	Heavy	Deterministic
2.4.27	Validate pagination numbering consistency (page/2/, page/3/)	Consistent	Medium	Deterministic
2.4.28	Detect pagination using query parameters (e.g., ?page=2)	Avoid unless required	Medium	Deterministic
2.4.29	Validate canonical logic if using ?page=2	Self-canonical	Medium	Deterministic
2.4.30	Ensure pagination does not load infinite scroll without SEO fallback	Fallback present	Medium	Deterministic
2.4.31	Detect infinite scroll pages without paginated URLs	Provide paginated URLs	Heavy	Deterministic
2.4.32	Validate paginated series follow linear chain (no jumps)	No gaps	Heavy	Deterministic
2.4.33	Validate all paginated pages are indexable unless intentionally noindex	True	Heavy	Deterministic
2.4.34	Detect paginated pages with duplicate title tags	Unique	Medium	Deterministic
2.4.35	Detect paginated pages with duplicate H1s	Unique	Medium	Deterministic
2.4.36	Detect paginated pages with identical meta descriptions	Unique	Medium	Deterministic
2.4.37	Validate pagination footer navigation links	Present	Heavy	Deterministic
2.4.38	Validate pagination header navigation links	Present	Heavy	Deterministic
2.4.39	Ensure pagination links use <a> not JS	True	Medium	Deterministic
2.4.40	Validate next/prev text is indexable (not hidden)	Visible	Medium	Deterministic
2.4.41	Validate <meta rel="prev"> and <meta rel="next"> not misused	Correct	Medium	Deterministic
2.4.42	Ensure noindex does NOT accidentally apply to entire paginated series	Proper noindex logic	Critical	Deterministic
2.4.43	Evaluate breadcrumb behavior in paginated pages	Stable breadcrumb	Medium	Deterministic
2.4.44	Validate structured data includes page number where required	Present	Medium	Deterministic
2.4.45	Validate OpenGraph URL for paginated pages	Correct	Medium	Deterministic
2.4.46	Validate Twitter Card URL for paginated pages	Correct	Medium	Deterministic
2.4.47	Check if pagination supports rel="canonical" self-reference	Yes	Heavy	Deterministic
2.4.48	Check if canonical for tag/category archives is correct	Yes	Medium	Deterministic
2.4.49	Validate noindex on thin tag/category archives	Valid usage	Medium	Deterministic
2.4.50	Validate category hierarchy canonical mapping	Correct	Medium	Deterministic
2.4.51	Validate indexability of filtered/search pages	Noindex unless valuable	Heavy	Deterministic
2.4.52	Validate pagination interacts correctly with faceted navigation	Correct	Heavy	Deterministic
2.4.53	Validate noindex for duplicate filtered URLs	Correct	Medium	Deterministic
2.4.54	Detect infinite URL patterns (/page/9999/)	None	Heavy	Deterministic
2.4.55	Validate canonical on parameterized pagination (?p=2)	Self-ref	Medium	Deterministic
2.4.56	Ensure site does not expose duplicate pagination patterns (two URLs for same page)	None	Critical	Deterministic
2.4.57	Validate pagination internal link anchors include rel="nofollow" only where logical	Correct	Medium	Deterministic
2.4.58	Validate pagination link placement not hidden or inaccessible	Visible	Medium	Deterministic
2.4.59	Validate proper canonical & index-control interaction	No canonical/noindex conflicts	Heavy	Deterministic
2.4.60	Compute index-control & pagination composite score	>= 85%	Critical	Deterministic

2.4 Pagination & Index-Control Suite

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