Why didn't the site rankings change?

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Let's say you're lucky to get a high natural ranking for a competitive hot keyword. A lot of uncontrolled factors can make your rankings take a nosedive.

Competitor's SEO Activities

A lot of time, the success of SEO not only rely on the hard work of optimization, but the laziness of competitors. If you are the only one of the key words to implement SEO promotion, then you will be in the front row. But you'll never know that the guy will also start to do SEO promotional activities.

Server stability and speed

The search engine will visit the site at a reasonable frequency to ensure that it crawls to the latest content and passes it to the search program. But what happens when spiders visit the site and your site is inaccessible? If they fail to find your site, they may not rank it. So when the next check the site rankings, you may be more depressed, can only wait for the spider next time and be able to find their site again.

Different search engine databases have different results

We are talking about trillions of data from billions of websites. Search engines have no way to save all the data in a database. This means that at any given time, the search program is looking for one of a number of different search engine databases, and each database may give some slightly different results. As a result, you can expect that your site's rankings may fluctuate every day. Do not try to eliminate these small fluctuations, do not care too much.

Search Engine Algorithm Change

You never know when a search engine algorithm will change. There are a lot of people tracking search engine updates, in order to understand that Google's small adjustments to the algorithm is often sleepless, can use a word to describe them, algorithmic crazy. I advise you not to be a part of them.

Incorrect SEO method used

Use some SEO tools that don't meet the search engine requirements, and you'll get a change in your existing rankings when the rankings are updated.

Links to cheating websites

Exchange links with cheating websites, when more than a certain number of links, the search engine will be different degrees of punishment.