The text-HTML ratio is a way to tell Google that we have a good amount of content, and we are not a thin content site, which is made only for search engines. And Google does not penalize the website if the site has a low text HTML ratio. But good HTML-text ratio helps in SEO.nnGoogle uses this metric to view the actual relevancy of a page (low ratio may cause confusion for crawlers as they won’t have enough information about a particular web page).nnThis ratio may also be an indication of an HTML heavy page which can affect users’ experience and loading speed. Big size of a page, too many image tags, and new link here and there can all indicate that you need to work on your HTML and CSS.