How to Use Your Title Tag as your Marketing Tool
You cannot always control the way the search engines think about your site, but you can definitely attract more clicks with proper usage of Title tags. However, there are elements of how your listing appears that you can control, and can be more effective than your actual position at attracting clicks. These are your title tag (which appears in blue text in search engine results), your meta description (text you craft that explains what a page is about) and your URL.

Top10 Unconventional Things you’d Love About Drupal

Don’t Blame the SEO - Five Things That Affect Search Engine Listings

Use of Canonical URLs in Drupal to help SEO

When you have a block of content having multiple copies and living on multiple URLs you’re bringing down your SEO score. In such cases the search engines will select the “best” version if the content in search results. The rest of the copies will not only be filtered out but might even be dropped from search indexes.
Some of the problems the webmasters would face would include:

Drupal is undoubtedly on of the better content management systems available. The users are saved from vendor lock-ins and expensive licensing. Drupal is also one of those platforms that can give potential hackers a run for their money.