Add-on breaks YouTube and Google Drive pages
Installed add-on breaks YouTube, Google Drive, Docs, and other sites that people use daily.
Tier I · Proven The best-established problems.
5 public reports · first reported 14 May 2018 · last reported 5 December 2025
What's going wrong
Several reviewers say that after installing this CORS header add-on, popular sites such as YouTube, Google Drive, Google Docs, and Twitter stop working properly or get blocked.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 5 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.