The architectural structure of Drupal web development makes the Search Engine Optimization simple and smooth. The SEO of Drupal website is comparatively easy to manage and if some modules are added, uploaded and configured correctly than the SEO gets very powerful.
Some additional configurations which can be done for the site for improved Drupal SEO are:-
1] Clean URLs: By default while setting up a new website, Drupal passes arguments through the URL because of which the URLs are little complex and difficult to read. So instead of that, clean URLs should be used which will allow you to use your own categories and keywords in the directory and file names which are very important to be done for On-site optimization. To configure this, navigate to Administer > Site Configuration > Clean URLs and then click on the “Run Clean URL Test” link. This will check just to make sure that your server is correctly configured and if so than only you will able to select “Enabled”.
2] Pathauto: To take a good advantage of clean URLs, this module push website SEO in to high gear by automatically generating aliases based on the pattern system which can be custom configured for all content types. For this the Pathauto module requires the path module to be activated which handles the path aliases which is built into Drupal’s core. To configure Pathauto, navigate to Administer > Site Configurations > Pathauto.
3] Nodewords: For the purpose of controlling your Meta-tags in Drupal, it is advisable to use the Nodewords module. To configure this module, navigate to Administer > Content Management > Meta Tags. Here you can specify global keywords which will be displayed on every web page.
4] XML Sitemap: Having XML Sitemap of the website which is submitted to Google is one of the best and fastest method to get the site indexed by Google. Drupal’s XML Sitemap module which is also known as Google Sitemap will automatically generate an XML sitemap that conforms to the proper specifications. To configure this, navigate to Administer > Site Configuration > XML Sitemap.