Lao Xie has been studying website promotion for many years, and SEO is a very good promotion. Webmasters are also very interested in studying SEO, which is good because SEO can directly bring traffic to your website. But Lao Xie thinks that we can change the way we think about SEO, so that the effect will be better.
SEO is a technology based on search engines. When we study it now, we treat the search engine as a black box. In other words, we don't understand its basic working principle at all. We take its results as our experience. Crossing the river by feeling the stones, just imagine, if we know the flow direction and depth of the 'river', it will be very beneficial to our research. But now our thinking has been set, so that our SEO technology cannot make a qualitative leap!
Although we cannot fully understand the entire operation process of the search engine, we assume that its operation process is confirmed through the results. Is this method better?
Search engines are a working process that I have studied for a long time, but there are some basic things that we must understand.
Search engines can be roughly divided into two types, full-text search engines and directory indexes.
In the search engine classification section, we mentioned the concept of full-text search engines extracting information from websites to build web page databases. There are two types of automatic information collection functions of search engines. One is regular search, that is, every once in a while (for example, Google is usually 28 days), the search engine actively sends out a "spider" program to retrieve Internet sites within a certain IP address range. Once a new website is found, it will automatically Extract website information and URLs and add them to your own database.
The other is to submit a website search, that is, the website owner actively submits the URL to the search engine, which will send a "spider" program to your website within a certain period of time (ranging from 2 days to several months) to scan your website and search it. Relevant information is stored in the database for user inquiries. Since search engine indexing rules have changed a lot in recent years, actively submitting URLs does not guarantee that your website will enter the search engine database. Therefore, the best way at present is to obtain more external links to give search engines more opportunities to find you. And automatically include your website. The "spider" program has many mysteries waiting for us to discover. If we study it well, we can imagine how much our SEO will change.
When a user searches for information using keywords, the search engine will search in the database. If it finds a website that matches the content requested by the user, it will use a special algorithm - usually based on the matching degree of the keywords in the web page and the location/frequency of occurrence. , link quality, etc. - Calculate the relevance and ranking of each web page, and then return these web links to the user in order according to the relevance.
Directory indexes differ in many ways compared to full-text search engines.
First of all, search engines are automatic website retrievals, while directory indexing relies entirely on manual operations. After a user submits a website, directory editors will personally browse your website and decide whether to accept your website based on a set of custom criteria or even the editor's subjective impression.
Secondly, when a search engine includes a website, as long as the website itself does not violate the relevant rules, the login can usually be successful. Directory indexing has much higher requirements for the website, and sometimes it may not be successful even if you log in multiple times. Especially for super indexes like Yahoo!, logging in is even more difficult. (Because it is the most difficult to log in to Yahoo!, and it is a battleground for merchants’ online marketing.
In addition, when logging into a search engine, we generally do not need to consider the classification of the website, but when logging into the directory index, the website must be placed in the most appropriate directory.
The relevant information of each website in the search engine is automatically extracted from the user's web page, so from the user's perspective, we have more autonomy; while the directory index requires that the website information must be filled in manually, and there are various Such restrictions. What's more, if the staff thinks that the directory and website information you submit are inappropriate, they can adjust them at any time, without consulting you in advance.
Lao Xie is just scratching the surface here. More search engine principles are waiting for us to study and discover. Lao Xie also hopes to communicate with some high-level search engine enthusiasts. Lao Xie QQ466715240.
This article is Lao Xie’s original first post on ADMIN5. Please indicate when reprinting: Lao Xie’s soft article promotion service.