User-agent: *
Crawl-delay: 20 
Allow: /wp-content/
Disallow: /wp-admin/
Disallow: /wp-includes/
Disallow: /feed/
Disallow: /trackback/
Allow: /wp-content/uploads/

User-agent: Googlebot
Disallow: /*.php$
Disallow: /*.js$
Disallow: /*.cgi$
Disallow: /*.xhtml$
Disallow: /*.php*
Disallow: /*.inc$
Disallow: /*.css$
Disallow: /*.pdf$
Disallow: /*.txt$
Disallow: /*?*
Disallow: */feed/
Disallow: */trackback/



# compress text, html, javascript, css, xml:
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/x-javascript

# Or, compress certain file types by extension:

<files *.html>
SetOutputFilter DEFLATE
</files>