Mod rewrite Code Library

Code Library - User Agent Based page delivery

Content Delivery
User Agent Delivery of content

htaccess code
RewriteEngine on
# for testing RewriteCond %{HTTP_USER_AGENT} ^mozilla.*[OR]
RewriteCond %{HTTP_USER_AGENT} ^gogglebot.* [OR]
RewriteCond %{HTTP_USER_AGENT} ^scraperbot.*

RewriteRule ^index.htm$ /index.html[L]

Caution:
User Agent Delivery can be very useful tool but most search engines consider this practice a violation of the terms of service. Your site could or page could be penalized if you deliver pages to their bots/spiders that are different than what a normal user would see.