9/2/2023 0 Comments Chrome incognito browserIf the estimated storage is less than 120 MB, then the user is in Incognito mode. This method estimates how much storage the website uses and how much is available for it to use. Method 2: Filesystem QuotasĪnother method to detect whether the user is in Incognito mode or not is the StorageManager API method estimate. Therefore, subjecting your visitors to a similar method would not be a good idea. Compared to a visitor in Incognito mode and one not, it will likely require a lot of estimation.Īlso, the same behavior pertained after repeated testing on Chrome, but the result decreased significantly for both Incognito and non-Incognito modes, and the browser behaved oddly afterward. Testing this method on other major browsers like Firefox, Safari, and Opera will not work, as the requestFileSystem function is not supported.įurthermore, this method, even with Chrome and Edge is not optimal. When the browser was in Incognito (or InPrivate on Edge):Īs Edge is now using Chromium for its engine, it can be assumed that as long as this method works on Chrome, it will also work on Edge. When testing this method on Edge, it produced the same behavior. This has been known since 2019 on Chrome 76, but it still works now on Chrome 89. Here’s a portion of the output on Chrome without Incognito mode:Īnd here’s a portion of the output on Chrome using Incognito mode:Īs you can see, the numbers dropped tremendously when the browser was using Incognito mode. This is where the array of timings in the onInit function will be displayed, which includes the time to write each file.
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