Selecting a short passage from a long web page can be awkward with a mouse, particularly when the page scrolls while you drag. Firefox’s Caret Browsing puts a movable text cursor inside web content so you can navigate and select more deliberately.

Practise on ordinary text

Open a harmless page with selectable paragraphs. Press F7 and read the confirmation before enabling the feature. Mozilla also provides an option in Firefox’s browsing or page-navigation settings to use cursor keys within pages; the panel name depends on the installed version.

Move the text cursor with the arrow keys. Use the keyboard’s usual selection modifiers, such as holding Shift while moving, to extend a selection through the intended words. Start with a short sentence so the highlighted boundary remains easy to inspect.

Copy that selection into a disposable local note. Compare its beginning and end with the original page, checking punctuation, numbers and whether an adjacent heading was accidentally included. The success condition is the exact intended passage, not simply some text appearing on the clipboard.

Distinguish text movement from control focus

Caret Browsing is different from using Tab to move between links and form controls. Pay attention to whether you see a text insertion-style cursor or a focused button. Avoid pressing activation keys until you know which element will respond.

If arrow keys unexpectedly move through text instead of scrolling, check whether Caret Browsing was enabled accidentally. F7 can switch it off again. Keep the confirmation prompt while learning the feature so an accidental keypress is easier to recognise.

Try the same selection task on the document you actually need. Image-only pages, unusual web applications and inaccessible controls may behave differently from ordinary text. Record the specific page and selection that fails rather than concluding that the keyboard itself is defective. For material you share, include the source address and preserve the original wording so the excerpt can be checked later.

Sources: Mozilla Support.