https://www.screamingfrog.co.uk/seo-spider/issues/amp/missing-invalid-doctype-html-tag/
Issues - AMP : Missing/Invalid Doctype HTML Tag | Screaming Frog
Feb 26, 2024 - AMP HTML documents must start with the doctype, doctype HTML.
missing invaliddoctype html
https://bbpress.org/forums/topic-tag/missing-html-buttons/
Topic Tag: missing html buttons · bbPress.org
Forums, made the WordPress way
topic tagmissing htmlbuttons
https://www.screamingfrog.co.uk/seo-spider/issues/amp/missing-htmlamp-tag/
Issues - AMP : Missing html amp Tag | Screaming Frog
Feb 26, 2024 - AMP HTML documents must contain a top-level HTML or HTML AMP tag.
missing htmltag screamingamp
https://github.com/doxygen/doxygen/issues/9682
Missing HTML pages and broken links for undocumented C++ concepts · Issue #9682 · doxygen/doxygen ·...
Describe the bug When you have a C++ concept that has no documentation comment, Doxygen generates links to HTML pages that don't exist, resulting in 404...
missing htmlbroken linkspages