If you use Firefox’s Find (Ctrl+F) to find a term or name on a web page, you might try using case sensitive searches to make things easier. This is disabled by default but can easily be changed by taking the following steps.
1. Open Firefox.
2. Go to the address bar and input about:config.
3. Click through the warning window.
4. Locate accessibility.typeaheadfind.casesensitive and double-click it and change the value to 1.
5. Restart Firefox.