Tips : How to improve search engine findability for a Drupal web site

A "findable" web site is one that search engines can easily scan to find content to add to their search indexes. Since most visitors today find web pages by using a search engine, the more easily search engines can index your content, the more easily visitors will find it. A default Drupal installation is moderately findable, but you can improve the site by installing a few more modules.
Table of Contents

1. Search Engine Optimization (SEO)
2. List pages in an XML sitemap
3. List pages in an HTML sitemap
4. Encourage incoming links from social networks
5. Use your site name in page titles
6. Use different page title formats for different parts of your site
7. Use meaningful words in URLs
8. Probable myths
    - Myth: Use "clean URLs" because search engines don't search pages with queries
    - Myth: Avoid the appearance of duplicate content or search engines will ban you
    - Myth: Add keywords in <meta> elements so that search engines know what your page is about

| Read more..

Courtesy : Nadeausoftware.com