How do we detect issues with installs of our chrome extension? -

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we run popular chrome extension 200k+ installs , 70-90k active users (according chrome webstore reports)

we have noticed our numbers have started dipping in past 2 months, despite steady stream of hundreds of new daily installs. these numbers different broadly correlate our google analytics numbers.

we suspect fraction of our installs not being working, either because of browser version-specific bugs or because being blocked anti-virus.

how know sure? there doesn't seem easy error reporting can rely on , other option seems involve trying different versions , anti-viruses see if true. there better method?

provide after-uninstall form (using chrome.runtime.setuninstallurl - since chrome 41) user can select reason uninstalling. extensions (zenmate, example) it.


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