WordPress fix guide
Deprecated API Usage Heuristic on WordPress
Page may use deprecated browser APIs (e.g., document.write, synchronous XMLHttpRequest) that can degrade performance or break in future browsers.
Issue ID: TECH-DEPRECATED-API-001Severity: advisoryEffort: M
Why this matters
Page may use deprecated browser APIs (e.g., document.write, synchronous XMLHttpRequest) that can degrade performance or break in future browsers. This affects crawlability, rendering, and whether the site can be interpreted correctly by search engines.
WordPress fix path
How to fix this on WordPress
Use the page editor, theme, or SEO tooling depending on where this issue lives.
- 1Inspect the page and theme output.
- 2Apply the fix in the most direct place.
- 3Publish and validate with a re-audit.
After you fix it
- ✓No deprecation warnings in Chrome DevTools Issues tab
Same fix, other platforms
Fix deprecated api usage heuristic on a different CMS
Other fixes
More WordPress fixes
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