Seo advantages and disadvantages

1 4.9 use of keyword on website title;
2. 4.4 anchor text of external links;
3. 4.4 popularity and extensiveness of external links of website quality websites;

4. 4.1 website quality domain name age (calculated from search engine index );
5 4. Internal Link Structure of the page quality website;
6. 3.9 relevance between the content of the external link page of the website and keywords;
7. 3.9 popularity of links of website quality websites in subject-related website groups;
8 3.7 application of keyword keywords on webpage content;
9 3.6 popularity of external links on the page itself;
3.5 rate of new external links of website quality websites;
11 3.5 quality and relevance of page quality export links;
12 3.5 topic of the external link page;
13 3.5 popularity of external link pages in the website community of related topics;
14 3.4 relevance between keyword page content and keywords (semantic analysis );
15. 3.4 page quality page age;
16 3.3 Use of keyword in h1 tag;
17. 3.2 Number of website quality websites;
18. 3.2 age of external links;
19 3.1 Relevance between keywords queried by website quality users and website themes (preventing Google bombing );
20. 3.1 text surrounding external links;
21 3 Use of keyword in website domain names;
22 3. Quality of the page content;
23. 2.8 use of keyword in the page url;
24 2.8 use of keyword keywords in headline labels such as H2 and H3;
25. 2.8 structure level of the page quality website;
26. 2.8 website quality user behaviors;
27. 2.8 popularity of external links on external link pages under the same domain name;
28. Keyword Optimization for 2.6 keyword Images;
29. 2.6 manually assigned weight of website quality Google;
30. 2.6 Special Characteristics of website quality Domain Names (. edu. gov );
31. 2.5 the rate at which new pages of website quality are generated;
32. 2.5 creation and update time of external links;
33. 2.5 Special Characteristics of external link website domain names;
34. 2.4 PR value of external links to websites;
35 2 Use of keyword in Meta description;
36 2 Number of website quality users' searches;
37. 1.9 number of occurrences of the "/" symbol in the page quality URL;
38. 1.8 correct spelling and grammar of page quality;
39. 1.4 whether the page quality HTML code has passed W3C authentication;
40 million website quality websites have passed Google webmaster central certification;
41 1.2 use of keywords in META keywords;
43 2.0 weight label strong
Use of the heading label in the page content;
44 2.0 nofllow labels
The nofollow label is used in the page Link and Meta.
Negative Factors Affecting Seo
Detailed description of ranking score
3.8 The server often fails to respond;
2. 3.6 is highly duplicated with the content already indexed by Google;
3. Link 3.6 to low-quality or spam sites;
4. Duplicate meta tags exist on a large number of webpages of 3.3 websites;

5. Over-built keywords;
6. Participate in the Link factory or sell a large number of links;
2.8 server response time is very slow;
8 2.5 the frequency of major metal changes on webpages is too high;
9 2.1 of the traffic is very low, and the user behavior is poorly reflected;