If that’s happened, it could just be a case of manually changing your search engine back to the option you had initially chosen. If your search engine or homepage keeps changing to Yahoo (or really any other search engine), then the most benign explanation is that at some point you accidentally opted in to change your search engine (usually through third-party software that has a sneaky checkbox in the installer asking if you’d like to opt out of changing your search engine, which means that by default they do change your search engine). We cover all the fixes for you here.Īlso read: Change Your Google Background on Your Desktop and Mobile Search Engine Has Changed (to Yahoo or Another) It's a bit disappointing because the thumbnails that Firefox generates for most websites look pretty terrible.There are various reasons why your search engine and homepage may keep changing – from annoying extensions to sneaky “opt-out” checkboxes in software, to more malicious things like malware. Imagine the ability to track user habits via a New Tab page or repeatedly infect a machine via a bug in a JPEG library every time a new tab is opened. I'd wager a good part of the reasoning is user privacy and browser security. The New Tab page lives in isolation and has strict rules built in to prevent user tracking (e.g. There is no way to provide metadata or such via a HTML page or Javascript to provide hints for a New Tab page. Which shows what the user sees in a fresh install. This policy is enforced by the browser itself. A Directory Links Provider must point at as the base URI. There are two configuration options of note and. Mozilla calls the tiles "Directory Links" and there are a bunch of rules regarding what can be included in the Directory Links Provider:
Mozilla calls the page the "New Tab page" not the "Start page". There is currently no way to affect the images that get displayed by Firefox on the New Tab page.Īfter doing quite a bit more digging, I finally figured out what is going on. The short answer to this question is: No.
The newtab-thumbnail thumbnail span appears to be how the on hover is working and the newtab-thumbnail enhanced-content span is the non-hover image that is displayed. What HTML tag(s) or HTTP header(s) is/are required to get customization of images on the Firefox start page?ĭigging around a bit, I see the following HTML for the "Get Firefox for Android" option: However, it looks like there might be a way to control the image that appears as well as what appears when hovering over each image.
The normal behavior of Firefox is to create some sort of screenshot for the start page images. Hovering over the "Customize Firefox" box, the image changes to this: Using a completely fresh install of Firefox, I see a start page with these icons/pages:
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