Source: How to prevent comment spam
Google Search Central | Documentation | Google Developers Therefore, it is necessary to take the following measures against comment spam. Approve comments Implement anti-spam tools Set the nofollow attribute on the link Approve comments Instead of publishing your comment immediately, the administrator can verify that it's not a spam comment before approving it. This is a feature that is default in many CMS such as Word Press. However, the disadvantage is that if there are many comments, the burden on the administrator will increase. Implement anti-spam tools A tool that asks users to prove that they are a real person and not a malicious spam script. The following is " reCAPTCHA" provided by Google for free and can be easily implemented on your site. reCAPTCHA ●Reference: reCAPTCHA Set the nofollow attribute on the link By setting the nofollow attribute on a link as shown below, you can tell Google that you do not want to evaluate the link destination.rel=”nofollow “> It can also be replaced with the ugc attribute.This tells Google that the link was created by a user. Content that is not necessarily low quality The following five cannot be said to be low-quality content. Pages with few characters Pages with short dwell time Pages with low search traffic feed Category page ①Pages with a small number of characters.For example, when you search for ``What is happiness?'', the goo Japanese dictionary ranks first, and the main content is ``It's a very happy thing.It's also the same.'' People who search for ``What is Tako'' only want to know the meaning of the word, so just one line is enough. Therefore, even if your content has a Belgium Phone Number Data small number of characters, it is not low-quality content as long as it does not appear in the "crawled - not indexed" list and responds to the user's search intent. ②Pages with short stay time I often hear that pages with short dwell times have low-quality content in Google Analytics. However, this cannot necessarily be said to be low-quality content. For example, pages with a small number of characters as mentioned in ① will naturally have a shorter stay time. Therefore, the length of stay must be viewed from the perspective of whether it is appropriate for the number of characters.
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③Pages with low traffic We often get asked by our customers, ``Isn't it better to delete pages with low traffic (number of search inflows) because they have low-quality content?'' This is incorrect, and Google's John Mueller says, ` `It's best not to judge content as low-quality content just because it has low traffic. '' One thing to watch out for is thinking that just because the search traffic is low, the content must be bad and trying to remove it. Sometimes it's perfectly fine if you don't get a lot of search traffic. Maybe there are simply fewer people searching. (snip) If you keep old weather forecast content, someone might find it 10 years from now and find it useful for research purposes. Weather forecasts from 10 years ago may no longer be considered content, but they do contain unique information, and if they didn't exist, people wouldn't have found them through search. ●Source: Even if there is a small amount of low-quality content, it will not be a problem in search.
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