Words That Improve Click-Through Rate

1. (Official Site) – at the end of the title.
2. 100% free; Get it Free, Use it Free; Download [Product Name] – Free!; No Credit Card Required; Free – Not a Free Trial.
3. Learn More! Example
4. New (in the title). For example:
   New – Google Toolbar 3.0
   Block popups, check spelling on web
   forms, translate words & more. Free
   toolbar.google.com
5. No obligation. Free info.

Some tricks also improve click-through rate:

1. Buttons

To be continued…