HTTP Header Spy

HTTP Header Spy enables you to inspect request- response headers and cookies right after page load with no extra clicks.

Total ratings

4.80 (Rating count: 5)
See reviews for HTTP Header Spy on Firefox Browser Add-ons

User reviews

Recent rating average: 4.83
All time rating average: 4.80

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83% (5)
4 star
17% (1)
3 star
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Date Author Rating Comment
2024-06-08 geeknik
2023-06-18 pnhan It's a good add-on, but it needs to be updated because it keeps not working on the latest Firefox, and forces me to uninstall/reinstall it constantly for the functionality to work.
2022-12-25 GanJingWorld Gan Jing World is a clean, curated universe and a dynamic, overlapping network of integrated platforms and services. ==> https://www.ganjing.com
2022-07-25 Firefox user 17501118
2020-06-07 maedox
2020-01-10 -= Cara =- Very convenient, just what you need! For information: sometimes have to disable it - POST requests do not pass (for example, in the Yandex account). But this does not detract! :)