最近接触好几个drupal做的网站，所以分享一下drupal seo插件，不过这里说的更多的是谷歌，基于目前的测试，站点谷歌的排名确实比百度要全面，尤其是内页。流量的比例百度和谷歌差不多。

Pathauto

http://drupal.org/project/pathauto

The Pathauto module automatically generates path aliases. Instead of /node/1, you will get aliases like /seo-article/top-ten-drupal-modules-for-seo .

Page Title

http://drupal.org/project/page_title

The Page Title module allow you diy HTML page title, which is greatly helpful for websites SEO.

XML sitemap

http://drupal.org/project/xmlsitemap

The XML Sitemap module generates xml sitemap and submits it to Google, Bing Yahoo! and other search engines automatically, which may make it a big contribution to your SEO job.

Meta Tags (nodewords)

http://drupal.org/project/nodewords

Meta Tags module allow you to set meta tags like keywords and description for each node, view or panels page, and may help you to get better search engine position.

SEO Checklist

http://drupal.org/project/seo_checklist

SEO Checklist module sums up a checklist of good SEO practices for drupal, helping you keep track of what needs to be done.

Global Redirect

http://drupal.org/project/globalredirect

The Global Redirect module remove the old path once a path aliase is created, which reduce pages that have duplicate content, and help seo.

Google Analytics

http://drupal.org/project/google_analytics

Google Analytics module add Google Analytics web statistics tracking system to your website. This tracking system will provide great help for you seo work.

Service links

http://drupal.org/project/service_links

The service links module add a number of social bookmarking sites, blog search sites including del.icio.us, Digg, Facebook, Google, IceRocket, LinkedIn, MySpace, Technorati, Twitter, Yahoo to your website. This make bring more links to your site, and links mean a lot for SEO.

Link checker

http://drupal.org/project/linkchecker

Broken links hidden under your article may harm you seo score. This Link checker module can help you scan your website and take broken links out.

HTML Purifier

http://drupal.org/project/htmlpurifier

HTML Purifier module make sure your web page standards compliant, specially useful if you use WYSIWYG editor on your site. A purified page may be more search engine friendly.
顺便总结几个研究drupal 的站点：
O-learn http://www.o-learn.com/
drupalchina http://drupalchina.org
drupal 爱好者基地 http://www.chinadrupal.org/
官方插件 http: //www.drupal.org/project/Modules
Volacci（seo） http://www.volacci.com/

欢迎大家补充，我也正在慢慢接触。

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