Fix Drupal 6 Nodewords robots Meta Tags problem
Nodewords is a SEO (Search Engine Optimization) module for Drupal. This module comes only for Drupal 6 version. For Drupal 7 you have to use a new module which is Metatag. Nodewords is currently the only module for Drupal 6 to add Meta tags to the pages. It contains various settings that allow you to insert Meta tags both manually and automatically. Meta tags are useful for search engines to know more about your site and also it plays an important role in the search rankings of your site and pages.
Using Nodewords you can add Meta tags, such as keywords, description, robots, canonical URL and more to your drupal pages. Nodewords module has the history of ridden with many bugs that makes the life of a drupal website owner very difficult. Even the latest version is having issues in displaying Meta tags to the pages. The most common bug found in nodewords module is the failure to display the robots Meta tags. The one version of this module that seems to be working fine is nodewords-6.x-1.10.tar. This version is working well with robots meta tags and under all settings in the nodewords module, so if you are having problem with robots tags not being displayed then you must switch to this version of nodewords.
Download nodewords-6.x-1.10.tar from here.