In the week before this website's launch, its fonts silently failed, every hovered link quietly returned a 404, and a phone page was twice as wide as the screen. Here is the checklist that caught them, and how to run it on any site.
A website redesign and a round of content rewrites, then the same 40 pages lost more than half their ranking. An SEO case study in progress: the Search Console data, what we ruled out, and the menu-link test we're running now.
SEO audit tools report problems that don't exist and miss problems that do. Four real cases from client audits: phantom alt text errors, contrast checks that only see one screen, and more.