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When your WordPress website loads, it pulls in many files, including stylesheets, JavaScript, and images. These are called static resources. Sometimes, you’ll see extra text at the end of those file URLs, like ?ver=1.2.3. That part is called a query string, and it usually tells the browser which version of the file to load. The issue is that many caching tools and content delivery networks don’t cache files properly if they have query strings. That can slow your site down, especially for re… Read More