Those battles that lack theoretical guidance and technical content are in the forefront of search results.

We can often hear reports that have been temporarily deleted or permanently withdrawn from Google and other search engines. These websites have suffered the absence of technical norms and basic industry ethics. They have made a lot of fuss about search engine optimization, favoritism and fraud, far exceeding the normal state of the optimization limit.

The experts who provide search engine optimization for these websites have dangerous purposes to create a lot of false information in the bounced search results, so that search engines are completely lost in these interrelated and manipulated search results.

Sometimes these search engine experts will go too far in their own desires to push their customers' websites in the best position, or to put in some relatively doubtful attempts.

For example, the accumulation of keywords.

The accumulation of keywords is often regarded as an immoral means, because in fact, everything you do, including the setting of keywords in a whole article, is often doubtful.

Feasible and recommended keyword density is generally between three percent and seven percent.

More than ten percent of the pure keyword filled text is not only of little significance to a reader, but sometimes it can not be noticed by the search engine.

This is probably the punishment for advertisers who have been putting the number of keywords in an endless setting on top of the real optimization before Google executes the new Florida Update.

Usually, keyword placement in headings and paragraphs is more important.

There is no doubt that the key words should be more cautious in these areas. It is better to use some testing software to check whether these keyword density settings are within acceptable limits.

If you think these keywords are too popular and frequent, you may consider replacing them with similar words.

And under normal circumstances, words covered by bold or italics are often regarded as the most important ones in search engines.

But this does not mean that every keyword you set is necessarily covered by a bold or italic type. As mentioned above, excessive deliberate modification does not necessarily enhance the frequency of searching your website.

Another common way of appearing on keywords is a doorway page setting.

Before Google has formally launched the PageRank algorithm, doorway has always been regarded as a common method in such an era, rather than being regarded as an extremely non-standard way of search engine optimization.

Doorway page is such a page, it is almost meaningless to people, but only set up specifically for search engine. The purpose is to get a higher ranking in search engine search, so as to abduct users to click on their website.

Although the keyword is still very important so far, its role in determining the ranking position of a website in the search engine has gradually weakened.

So the setting of doorway pages doesn't get through the way to your website well, so don't ask why Google punish you.

Like doorway page setup, what is called inappropriate strategy is concealed text.

Such text is hidden in the HTML pages (for example, the color of the text is almost the same as its background page), and tries to fool the search engine, especially for those rich keyword pages.

No need to say much, such two optimization methods are hard to be recognized in search engines, because they contain more internal operations than other methods.

3. In search engine optimization, content is the most important, but it doesn't copy content.

According to the current definition of Google, the content of the copy means that it is the same as the articles on different pages of the same website (or related sites, or two sites are closely linked, and the connectivity between them can be conjectures).

Assuming that the processed content is still like a simple copy, those so-called news agency outlets will be excluded from the search engine first.

Of course, it will not be damaged by the test of time, even if the content of your website is often copied by others.

At least some people secretly do copy work on your website, but maybe you don't know.

But those similar page checking tools will help you understand how many of the contents of the copy are the dregs you should be worried about.