With the help of Google embeddings, it’s now possible to vectorize the DOM structure (which can be heavily influenced by CSS) and search for other similar DOM structures.
By accurately modeling what the search engine sees, including stylesheets and CSS, SEO specialists can ensure that their website is optimized for search engine algorithms that take these page aspects into account, such as Core Web Vitals and any preferred layout formats.
Therefore, make sure your SEO tools can show you the differences in DOM structures between your target pages and those of your competitors preferred by Google.
How do cascading style sheets (CSS) affect SEO?
Let’s consider the differences between external and internal style sheets, the benefits of separating styles and content, as well as strategies for optimizing site speed and performance: