CitedBy / Data / Study
Data · changelog, as of 24 October 2026
Checks CitedBy added, with the day each went live
The audit engine is at version 12. Since 19 Oct 2026 it has gained 38 page checks in 10 versions, listed below with the day each went live. When a site is crawled again after a version, its progress page says how many checks were added since the crawl before and which of them found something, so a new finding from one of these checks is not mistaken for a change on your site.
As of 24 October 2026 · 38 checks · Download the JSON · the same list at /api/check-changelog
Version 12, 24 October 2026: 1 check
| Check | What it finds | Report section | Severity |
|---|
faq_not_visible | FAQ markup lists questions the page does not show | structure | warning |
Version 11, 24 October 2026: 4 checks
| Check | What it finds | Report section | Severity |
|---|
broken_external_link | Link to a page that no longer exists | technical | notice |
form_control_unnamed | Form field without a name | structure | warning |
no_main_landmark | No single <main> landmark | structure | notice |
schema_article_props | Article schema without author or date | structure | notice |
Version 10, 24 October 2026: 1 check
| Check | What it finds | Report section | Severity |
|---|
lead_buried | The page opens with source and date lines | render | notice |
Version 9, 24 October 2026: 7 checks
| Check | What it finds | Report section | Severity |
|---|
hreflang_x_default_missing | hreflang has no x-default | technical | notice |
js_changes_page | Scripts change or remove what the page says | render | warning |
js_only_prices | Prices appear only after scripts run | render | warning |
lang_mismatch | Declared language differs from the text | structure | notice |
link_wrong_language | Links send readers to a page in another language | technical | warning |
outbound_moved | Links to addresses that have moved | technical | notice |
public_not_cacheable | Public page cannot be cached | technical | notice |
Version 8, 24 October 2026: 1 check
| Check | What it finds | Report section | Severity |
|---|
author_anonymous | Article has no named author | structure | notice |
Version 7, 24 October 2026: 2 checks
| Check | What it finds | Report section | Severity |
|---|
snippet_cut | Title or description is cut off | structure | warning |
title_brand_first | Title starts with the brand, so the topic is cut first | structure | notice |
Version 6, 24 October 2026: 2 checks
| Check | What it finds | Report section | Severity |
|---|
internal_hash_links | Internal links use #/ routes | technical | warning |
internal_param_links | Internal links carry tracking or language parameters | technical | warning |
Version 5, 23 October 2026: 2 checks
| Check | What it finds | Report section | Severity |
|---|
canonical_noindex | Canonical points to a noindex page | technical | warning |
hreflang_not_reciprocal | hreflang alternate does not link back | technical | warning |
Version 4, 21 October 2026: 1 check
| Check | What it finds | Report section | Severity |
|---|
schema_rejected | Structured data Google detects but rejects | structure | warning |
Version 3, 19 October 2026: 17 checks
| Check | What it finds | Report section | Severity |
|---|
canonical_broken | Canonical points to a broken or redirecting URL | technical | error |
content_duplicate | Duplicate or near-duplicate content | render | warning |
dead_end | Page has no internal links (dead end) | technical | notice |
deep_page | Page is more than 3 clicks from the home page | technical | notice |
description_length | Meta description too short or too long | structure | notice |
img_oversized | Oversized images | technical | warning |
internal_redirect_link | Internal links point to redirects | technical | notice |
lang_missing | No language declared | structure | notice |
low_text_ratio | Very little text compared with code | render | notice |
meta_refresh | Meta refresh redirect | technical | notice |
mixed_content | Mixed content (HTTP resources on an HTTPS page) | technical | warning |
not_in_sitemap | Indexable page missing from the sitemap | technical | notice |
og_image_missing | No social image (og:image) | structure | notice |
redirect_loop | Redirect loop | technical | error |
render_blocking | Render-blocking scripts and styles | technical | notice |
schema_invalid | Structured data does not parse | structure | warning |
url_format | URL is hard to read or share | technical | notice |
Method and limits
- Dates: the day the version was merged into production code, read from the code history. A page check added to an existing version later shows under that version.
- Not listed: the checks that existed before 19 Oct 2026 (versions 1 and 2), and the site-wide checks (such as robots.txt, llms.txt, headers, the sitemap and the favicon), which have no version of their own yet. A crawl that finds a new site-wide issue shows it as a change since the crawl before.
- Changed checks: a check whose rule was tightened or fixed is not a new check and is not listed here. The finding audit shows how often our findings were wrong: finding audit.
- Every check: each check has its own page with what it finds, the fix and how common it is, in five languages: check library.
- Engine changes: what search engines and AI assistants changed, and which of those we check: what changed in search and AI engines.
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Checked on 24 Oct 2026 · Method: How CitedBy checks · Change log: What changed