You can speed up the site by enabling file caching

General Format

<FilesMatch “.(Extenstion of the file to be cached)$”>
	Header set Cache-Control “max-age=cache time″
</FilesMatch>

Example

<FilesMatch “.(html|htm)$”>
	Header set Cache-Control “max-age=43200″
</FilesMatch

You can protect your site from hotlinking by adding the below given code in your htaccess file .

RewriteEngine On
RewriteCond %{HTTP_REFERER} !^$
RewriteCond %{HTTP_REFERER} !^http://([ -a-z0-9] .)?domain.com [NC]
RewriteRule .(gif|jpe?g|png)$ – [F,NC,L]

Add the below given code in your htaccess page to redirect to https connection

RewriteEngine On
RewriteCond %{HTTPS} !on
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}

php_value max_execution_time 200
php_value max_input_time 200

php_value upload_max_filesize 10M
php_value post_max_size 10M

If you rename the url of a page and need to redirect old URL to your new page, use the below given code in your htaccess page

Redirect 301 old_file_name.html http://example.com/new/file_name.html

You can set any page as a default page in a directory by adding below given code in your .htaccess file

DirectoryIndex firstpage.html

You can create custom error pages and redirect to these pages by adding the below given codes in the htaccess pages

ErrorDocument 404 /404.php
ErrorDocument 500 /500.php
ErrorDocument 401 /401.php
ErrorDocument 403 /403.php

If index file is not there in a directory, visitors can view all the files in that directory.
You can prevent this by adding a single line code (Given Below)in your .htaccess file .

Options All -Indexes