Critical defects cap a site's grade: 3 criticals set a minimum index of 71. Fixing them is the fastest way to a better grade.
Where the faults are
Fault severity by category — 0 means no defects found (clean), 100 means severely broken. These are damage meters, not marks out of 100.
Fault index trend
Daily fault index — lower bars are better; a rising trend means something shipped and broke.
Defects
Everything found on the latest scan, worst first. Evidence receipts and security findings are reserved for the full report.
Page returns an unsuccessful HTTP status code
6 broken links in primary navigation
1 button have no accessible name
2 links have no discernible name for screen readers
12 JavaScript errors in the browser console on page load
Page has no lang attribute
1 Chrome DevTools issue logged
1 deprecated browser API in use
10 links are not crawlable
Page weight is excessive (Total size was 4,372 KiB)
Missing or invalid source maps
🔒 1 security finding withheld from the public board. We don't publish per-brand security detail where attackers can read it — request the full report below.
Get the full report
The complete report — including security findings and the evidence behind every defect — is free for the people who run O'Reilly. To keep that detail away from trolls and attackers, we only send it to addresses at the brand's own domain (@www.oreillyauto.com). Other addresses are reviewed by a human first.