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Content and Structure tools
Search Engine Crawl Content simulator
Can simulate spiders crawl the specified page text,link,keywords and description information
http://www.webconfs.com/search-engine-spider-simulator.php
Similar page detection Tool
Check the similarity of two pages. If the similarity is more than 80%, you may be punished.
http://www.webconfs.com/similar-page-checker.php
Google Sitemaps Online creation
Create Google Sitemaps sitemap files Online
Chinese:
Http://www.xinqj.com/sitemap/sitemap.asp
English:
http://www.xml-sitemaps.com/
Google Sitemaps Builder. Net
Google Sitemaps creates software that makes it easy to create Web sites Sitemaps
http://www.seobbs.net/read.php?tid=10620
Comprehensive query Tools
Site collection Query
At the same time query Google, Baidu, Yahoo and other 8 search engines included in the situation
Http://tool.cndw.com/Shoulu/Index.asp
Keyword ranking query
You can also query 3 search engines for the ranking of keywords specified in the specified Web page.
Http://www.seores.com/search/keywordrank.asp
Search Engine Optimization Monitors (SEO monitor)
A small software only 321K, you can query multiple search engines at the same time, a number of keyword rankings. and automatically record the history rankings.
http://www.seobbs.net/read.php?tid=2490
Google Server keyword ranking query
Query in Google each server, specify the page to specify the keyword ranking, can be used as a take-off and landing reference
Http://tool.cndw.com/Rank/Index.asp
Keyword Tools
Google AdWords Keyword Tool
Query for the extended match, search volume, trend, and popularity of the specified keyword.
Https://adwords.google.com/select/KeywordToolExternal
Baidu related Search
Sort by popular program, listing the extended matches and popularity of the specified keywords
http://d.baidu.com/rs.php
Keyword Density analysis tool
Analyzes the number of occurrences of a specified keyword on a specified page, and the corresponding percentage density
Chinese:
Http://tool.cndw.com/Seo/Key_Density.asp
English:
http://www.keyworddensity.com/
Keywords Popular ranking and index
Baidu Rankings:
http://top.baidu.com/
Baidu Index:
http://index.baidu.com/
Yahoo Rankings:
Http://misc.yahoo.com.cn/top_index.html
Sogou index:
http://www.sogou.com/top/?IPLOC=CN1102
Search Billboard:
Http://www.soso.com/lhb/s_i_sosolhb.shtml
Google Tools
Google Sitemaps
Google launches a free service, an outstanding SEO tool
Http://www.google.com/webmasters/sitemaps/docs/zh_CN/about.html
Google Analytics
Google's free analytics service. Provide a lot of professional reports on marketing and content optimization. It's a great help to search engine marketing.
http://www.google.com/analytics/zh-CN/
Google Dance Query Tool
Not only can query dance situation, but also through e-mail timely access to the monthly Google dance notice
http://www.seochat.com/googledance/
View PR values on Google servers
Using this tool, you can determine whether the PR update, predict the updated PR value
Http://www.seochat.com/seo-tools/future-pagerank
Google PR History Update schedule
Look at Google 2000 to see the date of the update PR and the length of the period
Http://www.seocompany.ca/pagerank/page-rank-update-list.html
Link tool
Link wide-scale detection tool
Reverse link query tool. At the same time support Google, Baidu, Yahoo and other 8 search engines
Http://tool.cndw.com/LinkIn/Index.asp
Search for links in Google tools. You can grab text titles and links. The Chinese title shows a garbled
http://www.webconfs.com/google-backlink-checker.php
Yahoo New link checker, you can query the site all the retrieved pages and reverse link
http://siteexplorer.search.yahoo.com/
Query the number of links in Google,yahoo,msn
http://www.trafficzap.com/linkpopularity.php
Invalid link checking tool
Check the links within the specified page. Include link validity check, link type, link types
Http://www.seores.com/search/checkurl.asp
Glink Checker of the Consortium
Http://validator.w3.org/checklink
Other tools
The relational table of major foreign search engines and human directories
A flash, analysis of the foreign mainstream search engine and the relationship between the artificial directory, overseas promotion is very helpful
http://www.seobbs.net/read.php?tid=911
Site History Query Tool
The United States Internet Archive (the Internet Archive) has been saved from 1996, with the help of the Alexa search engine to obtain information on the site
Http://web.archive.org/collections/web/advanced.html
Catalog Collection Query
Check if a Web site is logged into multiple important categories
http://www.123promotion.co.uk/directory/index.php
Alexa World Rankings Query
Http://alexa.chinaz.com/Index.asp
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Http://tech.163.com/06/0913/22/2QUCDDNG000920NE.html
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Http://www.seobbs.net/blog/archives/seo-tools.html