It was developed into a minimalistic web browser shortly afterwards. Firefox Focus was initially a tracker-blocking application for mobile iOS devices, released in December 2015.
#Firefox focus sync with macbook for android
Prior to Firefox 4 and Gecko 2.0, it was possible for extensions and plug-ins to add user agent parts, but that has not been possible since bug 581008./en-US /firefox /browsers /mobile /focus /įirefox Focus is a free and open-source privacy-focused mobile browser from Mozilla, available for Android and iOS smartphones and tablets. Some Gecko-based browsers may not opt into using this token for this reason, sniffers should be looking for Gecko - not Firefox! firefoxversion will generally represent the equivalent Firefox release corresponding to the given Gecko version.
Firefox/firefoxversion is an optional compatibility token that some Gecko-based browsers may choose to incorporate, to achieve maximum compatibility with websites that expect Firefox. For instance, this could be " Camino/2.1.1", or " SeaMonkey/2.7.1". appname/appversion indicates the application name and version. Mozilla/5.0 (platform rv:geckoversion) Gecko/geckotrail appname/appversion Mozilla/5.0 (platform rv:geckoversion) Gecko/geckotrail Firefox/firefoxversion appname/appversion Note: The recommended way of sniffing for Gecko-based browsers (if you have to sniff for the browser engine instead of using feature detection) is by the presence of the " Gecko" and " rv:" strings, since some other browsers include a " like Gecko" token.įor other products based on Gecko, the string can take one of two forms, where the tokens have the same meaning except those noted below: Experimental Feature-Policy: xr-spatial-tracking. Experimental Non-standard Feature-Policy: unsized-media. Experimental Non-standard Feature-Policy: unoptimized-images. Experimental Feature-Policy: speaker-selection. Experimental Feature-Policy: screen-wake-lock. Experimental Feature-Policy: publickey-credentials-get. Experimental Feature-Policy: picture-in-picture. Experimental Non-standard Feature-Policy: oversized-images. Experimental Feature-Policy: microphone. Experimental Feature-Policy: magnetometer. Experimental Non-standard Feature-Policy: legacy-image-formats. Experimental Non-standard Feature-Policy: layout-animations. Experimental Feature-Policy: geolocation. Experimental Feature-Policy: fullscreen. Experimental Feature-Policy: encrypted-media. Experimental Feature-Policy: document-domain. Experimental Feature-Policy: display-capture. Experimental Feature-Policy: ambient-light-sensor. Experimental Feature-Policy: accelerometer. Reason: CORS preflight channel did not succeed. Reason: CORS header 'Origin' cannot be added. Reason: Credential is not supported if the CORS header 'Access-Control-Allow-Origin' is '*'. Reason: Multiple CORS header 'Access-Control-Allow-Origin' not allowed. Reason: CORS header 'Access-Control-Allow-Origin' missing. Reason: missing token 'xyz' in CORS header 'Access-Control-Allow-Headers' from CORS preflight channel. Reason: expected 'true' in CORS header 'Access-Control-Allow-Credentials'. 
Reason: Did not find method in CORS header 'Access-Control-Allow-Methods'.Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Methods'.Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Headers'.Reason: CORS request external redirect not allowed.Reason: CORS header 'Access-Control-Allow-Origin' does not match 'xyz'.Experimental Non-standard Deprecated Viewport-Width.Experimental Sec-CH-UA-Platform-Version.Experimental Sec-CH-UA-Full-Version-List.Non-standard Deprecated Large-Allocation.
Experimental Non-standard Deprecated DPR. Experimental Non-standard Deprecated Content-DPR. Experimental Non-standard Deprecated Accept-CH-Lifetime.
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