The <a> HTML element (or anchor element), with its href attribute, creates a hyperlink to web pages, files, email addresses, locations on the same page, or anything else a URL can address. Content within each <a> should indicate the link's destination.
When To use anchor tags?
<a href="/about-me">about me</a>
Image as a link must have an alt attribute on the image otherwise there is no link text. The alt text should be the same as if the image didn't exist and the link was just text.
Without an alt attribute, it is bad for SEO and, more importantly, people using assistive technology have no way of knowing what that link does do you are (unintentionally) excluding them!
<a href="link"> <img src="img link" /> </a>
anchors give access from the target site to the source, meaning that if foo.com has an anchor to bar.com, bar.com can get data about foo.com. To avoid this, ideally, all anchors should have the attribute rel with the value noopener noreferrer which makes them more secure.
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