Internal linking
Internal links connect pages within the same website. They guide visitors and show search engines which pages belong together and which are important. Unlike backlinks, you have complete control over them.
Two things matter. First, the anchor text, i.e., the linked word. "Click here" says nothing, while "High-speed hosting " clearly states what the target page is about. Second, the position: A link embedded in the body text is more effective than the same link in a footer that looks the same on every page.
The most frequent question concerns the quantity. There's no fixed number, but a good test is: Would you still include the link if search engines didn't exist? If every other word in a sentence is linked, nobody reads it anymore, and the distribution is wasted.
A practical approach for guides: two to four links per text, at least one of which should lead to a product or service page. And regularly check whether important pages are linked at all. A page that doesn't link to anything is, in effect, invisible to Google.
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