The .htaccess files are often underrated and forgotten, but they do have great powers to manipulate your web server. It’s possible to set and change various server settings, for example the Apache configuration. Thereby you can have individual configurations based on files in folders, rather than configuration files that require server restarts to take effect. You can also change settings for plugins, like PHP settings. I’ve stumbled over a few great .htaccess snippets here, which I found quite useful and wanted to share.
Remove www in url
RewriteEngine On RewriteCond %{HTTP_HOST} !^your-site.com$ [NC] RewriteRule ^(.*)$ http://your-site.com/$1 [L,R=301]
Prevent hot linking
RewriteEngine On #Replace ?mysite\.com/ with your blog url RewriteCond %{HTTP_REFERER} !^http://(.+\.)?mysite\.com/ [NC] RewriteCond %{HTTP_REFERER} !^$ #Replace /images/nohotlink.jpg with your "don't hotlink" image url RewriteRule .*\.(jpe?g|gif|bmp|png)$ /images/nohotlink.jpg [L]
Redirect all WordPress feeds to feed burner
<IfModule mod_alias.c> RedirectMatch 301 /feed/(atom|rdf|rss|rss2)/?$ http://feedburner.com/yourfeed/ RedirectMatch 301 /comments/feed/(atom|rdf|rss|rss2)/?$ http://feedburner.com/yourfeed/ </IfModule>
Create custom error pages
ErrorDocument 400 /errors/badrequest.html ErrorDocument 401 /errors/authreqd.html ErrorDocument 403 /errors/forbid.html ErrorDocument 404 /errors/notfound.html ErrorDocument 500 /errors/serverr.html
Force download of specific files
<Files *.xls> ForceType application/octet-stream Header set Content-Disposition attachment </Files> <Files *.eps> ForceType application/octet-stream Header set Content-Disposition attachment </Files>
Log PHP errors
# display no errs to user php_flag display_startup_errors off php_flag display_errors off php_flag html_errors off # log to file php_flag log_errors on php_value error_log /location/to/php_error.log
Remove file extensions from urls
RewriteEngine on RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME}\.html -f RewriteRule ^(.*)$ $1.html # Replace html with your file extension, eg: php, htm, asp
Prevent directory listing
Options -Indexes
Reduce pages weight by compressing static data
AddOutputFilterByType DEFLATE text/html text/plain text/xml application/xml application/xhtml+xml text/javascript text/css application/x-javascript BrowserMatch ^Mozilla/4 gzip-only-text/html BrowserMatch ^Mozilla/4.0[678] no-gzip BrowserMatch bMSIE !no-gzip !gzip-only-text/html
Automatically add utf-8 charset to files
<FilesMatch "\.(htm|html|css|js)$"> AddDefaultCharset UTF-8 </FilesMatch>
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