Search engine optimization based on asp.net website

With the development of information technology, there are countless new Web pages on the Internet every day, and users are accustomed to using search engines to get valuable information on the Internet. Because users use the search engine input keyword to get fewer than hundreds of search results, many thousands, so the more in the ranking of the search results in the previous site was clicked the greater the chance that the ranking of the search results were clicked on the less likely. Small head bidding Tools small series to make search engine to capture the site and get the top search rankings, search engine optimization is a vital task. This paper analyzes the strategy of search engine optimization of website structure under asp.net development platform.

How the search engine works

1 Search Engine Collection principle

According to the working principle of different, can be the search engine into two categories: Full-text search engine and classification directory.

Full-Text search engine (Full-text search Engine) database relies on the "spider" (Spider) program or "Robot" (Robot) program to scan a certain IP address range of hosts, if found that a new site began to crawl site content, The crawled Web page is stored in the search engine's webpage database, the search engine through the special analysis mechanism, extracts the valid information and the text paragraph of the webpage to store in the index database, simultaneously extracts the page link to the search engine's link database. Web bots or web spiders periodically check links in the linked database, and if they find new content, crawl the content of the Web page, if the link fails, delete the invalid link and update the database. Baidu, Google is a typical full-text search engine. Other Full-text search engine has: search, Sogou and so on.

Small head bidding Tools small series think that the classification directory (directory) is entirely dependent on manual operation of the collection of data to form a database, users submit the site, the directory editors will personally visit your site, and then according to a set of criteria and even the subjective impression of editors, Decide whether to accept your site. such as the ODP (Open Directory Project) Web site dmoz.

2 Search Engine Ranking principle

Google is currently the world's largest search engine, Google's search results ranked by the page Rank algorithm, page rank value (for short PR value) formula: PR (θ) = (d) +d[pr (T1)/C (T1) +...+PR (Tn)/ C (Tn)]. where the PR (θ) represents the page rank value of the pages (the higher the value is in the 1~10,PR value, the higher the importance of the site), T1~tn represents a page with links to page A, C is the number of links to the page, and D is the damping factor (constant, Google usually takes a value of 0.9).

Page Rank principle: From the source page to the target page of the link Description source page cast the target page one vote, page rank will be based on the target page received the number of votes and the source of the PR quality of the page to assess the importance of the target page.

Small head bidding Tools small series think Baidu is the world's largest Chinese search engine, Baidu's ranking core technology is opaque, and there are factors of human intervention, but the impact of Baidu ranking factors can be summed up as the number of pages included, to the external links to the page, page hits, the frequency of updates to the page.

3 Search Engine Optimization overview

SEO (Search Engine optimization, SEO) is the main work through the study of various types of search engine collection and ranking rules to the relevant optimization of the site, so that the search results page has a better ranking to improve the number of Web site visits a series of technologies and methods collectively. The result of the SEO is the website Operation experience degree unceasing enhancement, the website keyword ranking unceasingly leans forward, the website data access quantity unceasing enhancement, the brand influence unceasing promotion.

4 ASP. NET website SEO method

SEO performance Form has the website structure optimization, the website content optimization, the website exterior optimization, to the website content optimization and the website exterior optimization is not in this article description scope, here does not repeat.

4.1 URL static

The contents of a Dynamic Web page can be dynamically changed with a specified condition, such as a database. Moreover, dynamic Web pages often need the support of the database, often need to interact with the server. Apparently static URL addresses appear more concise, for search engines static URL address more convenient to catch.

ASP. NET in the implementation of the two methods of static URL, you can use Isapi_rewrite rewrite technology (currently the most highly recommended Web site static method) and write Urlrewriter code to achieve the site pseudo static.

(1) Using Isapi_rewrite

Download Isapi_rewrite Lite (Lite), after downloading, locate the. msi file in the installation package and perform the installation. After installation, open IIS, and in the ISAPI Filter tab, add a filter. Name any fill, path select Isapi_rewrite.dll installation directory, and then OK.

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