When working with links, it’s really important to know the nofollow directive. By default, if a crawler sees a link it follows it to try and index your whole page recursively. This is also true for links to external pages and we should be careful as spammers will try to use this to improve their own SEO ranking if we have user input links or content, like a comments section.
ge…ould give a clear idea of what the page is about, make sure to avoid any irrelevant keywords in it. Your H1 tag should be unique throughout the page and should only appear once per every page. Using more than one will result in search engine penalties.