o improve your CLS Score, you can start by preloading your fonts or locally hosting them (Unless you have a slow hosting). You can use caching plugins, a good CDN to host assets (static), predefining dimensions for images, embeds and iframes. One of the biggest causes of layout shifts are ads. You can try to pre-allocate space for your ads. If in case you’re running dynamic ads, you can allocate space for the largest ad size possible in order to reduce layout shifts.