Experience Summary what is SEO

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Presumably countless 7474.html "> grassroots webmaster seo have been understanding."

So gossip is not much to say. I have summed up the next little experience provided to you

seo= keyword analysis + Access depth optimization + program code optimization + Picture Flash optimization + internal and external connections

Stepwise Analysis:

1, keyword analysis:

Use keywords in the title of the body and inside pages of the entire site, and the body headings should attract the user's attention and tell them they came to the site that was best for him.

Optimization text title is the most direct SEO optimization method. Www.68450.cn on the use of H1, can be used as a reference. You can also try to use a lot of H2 or H3 tags in the page to help form the body content.

Divide a page into groups

H1 (consisting of the main keywords) is the only one H1 tag used on each page.

H2 (similar multiple-choice repetition of key keyword phrases) Paragraph

H2 (another minor theme with some similar or overlapping variant keywords)) Paragraph

H2 (sometimes some of the questionnaires do not have keywords, but most are also made into H2 headings) paragraphs

Usually the subtitle will focus on a longer keyword phrase, especially over the main title, but will also contain some of the same word groups as the main title. Also describe the subtitle to improve your site's browsing efficiency and usability.

2, Access depth optimization:

Here is a simple summary, the so-called depth optimization is in the home page of any one of the pages to be thoroughly, carefully optimized. To improve the overall quality of the station. I believe there are many friends inside the page is not very attention, but the fact that the page is very important.

3, Program code optimization

Search engine is the representative of the browser, a concise, clean and beautiful page will be The Advertiser's praise, giving a visual goodwill. By contrast, the streamlining of the code can give us a very good impression of the spider Brother

4, Picture Flash optimization

You can use annotations to achieve the effect. The point is: The picture has an ALT description function, and the search engine is ordinary HTML text, the weight is higher.

5, internal connection

Definition: Only the rows in two tables that satisfy the join condition are grouped as result sets.

In an inner join, only rows that match in two tables can appear in the result set

Key words: INNER JOIN

Format: SELECT column name table from table name 1 [INNER] JOIN table name 2 on or where condition expression

Description：

(1) The column names in the column name table can be from the following two tables, but if the two tables have the same name, the list should be marked with the source in the form: Table name. Column Name

(2) If the two table names of the connections are too long, they can be individually named. Format is: Table name as Alias

(3) Inner is the default way to omit

6, outer connection

1, left (outside) connection

Definition: On the basis of inner joins, also contains all data rows in the left table that do not meet the criteria, and fill in the right table column with NULL

Keywords: Left JOIN

2, right (outside) connection

Definition: On the basis of the inner join, also contains all the data rows in the right table that do not meet the criteria, and fill in the left table column null

Keyword: Right JOIN

3. Full connection

Definition: On the basis of the inner join, also contains all the data rows in two tables that do not meet the criteria, and fill in the Left and right table columns with NULL

Keywords: full JOIN

Iii. Cross-linking

Definition: Combines all rows of two tables, and the number of rows after the connection is the number of two tables. (Cartesian product)

Key words: CROSS JOIN

Format: From table name 1 CROSS JOIN table Name 2

Younger brother's personal opinion, only for everyone's reference.