The Role of Tag Clouds in SEO

The word "Tag" is now playing an increasingly important role on the Internet. To put it plainly, a tag is a keyword. If you are unable to summarize an article with a few keywords, there are only two scenarios: one is that your summarizing ability is questionable - though you may not be completely brain-dead, you're not very sharp; the other is that the article is of such poor quality that it's impossible to know what it's talking about, making it naturally impossible to summarize - if you can't find such articles, please refer to Xu Jinglei's blog......