We'll create fresh WordPress site with Real-Time Find and Replace installed. You have 20 minutes to test the plugin after that site we'll be deleted.
This plugin allows you to dynamically (i.e. at the time when a page is generated) replace code and text from themes and other plugins with code and text of your choosing before a page is delivered to a user’s browser.
Because the find and replace happens in real-time no changes are needed to plugins or themes which means upgrades remain easy!
A pro version (a lifetime license is less than $15) with additional filtering options, setting export/import functionality, and the ability to modify admin pages is available.
Here are some common uses:
Here are some more examples.
And some tips for those interested in on-page SEO.
Remember, all of the above can be done WITHOUT modifying themes or plugin files so you’ll always be able to upgrade them without having to worry about losing custom edits.