AppNexus Test Header
Developer Tools
Enable Test Mode Ads when developing site that use AppNexus/Xandr ads. This extension adds the 'X-Is-Test:1'.
- Store users
- 50
- Ratings
- 5.0/ 5 1 rating
William Macdonald
1 listing we've seen · as of 8 Oct 2026. This is the maker name shown on the store, not proof of who owns the company.