Google has never confirmed or denied HTML formatting as a ranking factor. In the Google developer documentation style guide, Google offers advice on HTML and semantic tagging.

HTML Cleanup Sitecore has several built-in features to help you paste "clean" HTML onto your site, and to help you strip unnecessary styling and HTML tags. Extra styling and tags can cause errors in ...

Formatting helps you organize content and creates a basic text structure, including headers, lists, indentations, and bold/italics. You can format text while you’re writing or editing it.

With Markdown, writing HTML-formatted documents is as easy as writing plain text. Software developers use it, but so do many others. The Markdown text format makes it easy for people—not only ...

Tips for formatting text If you pasted text from another program like Microsoft Word or Google Drive into CORE, the text can carry over hidden styling that interferes with how your content displays.