Cachebuster macro. As you can see, in the modified example, the macro [timestamp] has been replaced with $ {CACHEBUSTER}. If the Microsoft Advertising auto-tagger fails to automatically insert the ${CLICK_URL} and ${CACHEBUSTER} macros into your third-party tag, you can manually insert them into the appropriate locations. Oct 21, 2025 · If you want to perform cache-busting and you are hosting your creatives on one of the ad servers below, use the examples on this page to find the appropriate locations in which to insert the cache-busting macro in your third-party ad tags. If you don't know which parameter to use when inserting the macro, contact your client. Nov 13, 2025 · Learn how to use a cachebuster with UptimeRobot for bypassing caching layers and monitoring fresh data in your web checks. What Does a Cache-Buster Do? The cache-buster doesn’t stop a browser from caching the file, it just prevents it from reusing it. My thought was to apply a param to the end of css and js files with the c Cachebuster A Chrome extension for appending a page’s URL with a cache-busting querystring. Oct 21, 2025 · Report discrepancies have a number of common causes. The cachebuster macro ensures that a fresh call is made to the ad server every time the code is executed, so you’re accurately counting impressions. Before you begin a fuller investigation, consider common potential causes like time frames, time zone differences, measurement units, macro configuration errors, and differences in how ad servers count impressions.