Is SimilarWeb - Website Traffic Sources and Ranking safe?
SimilarWeb - Website Traffic Sources and Ranking posts visited URLs and referrers to SimilarWeb when site rank is enabled.
When the opt-in site-rank feature is enabled, the extension observes main-frame navigation and posts the current URL, previous URL, referrer, redirect URLs, transition details, tab information, and a persistent pid to SimilarWeb's rank API. The options UI presents this as allowing access to information about visited sites so the extension can display site rank.
Who publishes itSimilarWeb - no other listings under this identity, 3 shared hostnames
SimilarWeb - no other listings under this identity, 3 shared hostnames
What this publisher told the store about itself, and the other listings that told it the same thing.
Shared hosts - 3 hostnames
Hostnames hardcoded in this extension that few other listings call. That can mean one operator behind both, and it can equally mean a small shared vendor, so it is context rather than a conclusion. Hosts that many listings call are left out: they are services, not connections.
AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.
Publishers can request a review.
What it can do
Permissions this extension asks for, as declared in version 5.5.7. Asking for a permission is not a finding on its own - it is what the extension can do if it chooses to.
Read and change your data on every site you visit
*://*/*
See the address and title of every tab you have open
tabs
Watch every request your browser makes
webRequest
See every page you navigate to, as you navigate to it
webNavigation
Watch, block and rewrite every request your browser makes
webRequestBlocking
Store data in your browser
storage
Where it sends data
Destinations our analysis observed SimilarWeb - Website Traffic Sources and Ranking contacting. Sending data somewhere is not a finding on its own - an extension that syncs your settings has to talk to its own server - but it is where your data can go, and who else it goes to.
- rank.similarweb.com
SimilarWeb - Website Traffic Sources and Ranking sends data to rank.similarweb.com. One other extension we have analysed sends data here.