They are important for SEO because they signal to search engines that other websites vouch for your content. This helps in improving the rank of your website in search engine results. Keep in mind that the quality of the backlink is more important than the quantity. A backlink from a high-quality website with a good reputation will be more valuable than a backlink from a low-quality website.
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@serktba Content moderation: Manual or automated moderation of comments and posts can be useful for checking and removing spam. You can assign moderators or use specialized tools to automatically filter out spam.