<FilesMatch "\.(jpg|png|gif)$">
ExpiresDefault A0
Header set Cache-Control "max-age=0,  no-cache, must-revalidate"
</FilesMatch>

Which mean, that expiration date is in access moment and set headers to 0 values. As You can see, here You can add more filetypes for static content

This example can also speed-up Your webpage just with few lines of code by setting longer expiration time:

ExpiresActive On
ExpiresDefault A0
ExpiresByType image/gif A2592000
ExpiresByType image/png A2592000
ExpiresByType image/jpg A2592000
ExpiresByType image/jpeg A2592000
ExpiresByType image/ico A2592000
ExpiresByType text/css A2592000
ExpiresByType text/javascript A2592000

Where A is access time and 2592000=60*60*24*30 or one month.

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Problem: You are using 2-4 statistic counters on Your page. Most of them are using javascript and for noscript mode image (GIF).

Solution: Split them and then merge :)

Micro optimization for analytics counters

Most of codes on my site were with one inline javascript code, code from counter’s site and noscript solution.

Spliting inline javascript counter code

First You need to examine all statistics codes, because some have some id before included javascript (like Google Analytics, StatCounter.com or Quantcast) and some after (Yandex). So what we need is take all inline javascripts and put them inside <script> tags, them links put all external janasvripts and then again inline javascript for counters, which use inline script after external javascript.

Here is mine for SimpleMediaCode.com:

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WordPress plugin coding

If I create plugin for WordPress theme, I am hardening that, so that this function will make sure, that futures are theme independent, if for some reason someone would like to change WordPress theme. In this case, if function is displaying content for private reading (for membership pages), it will still available in other themes as well.

Pluses by developing WordPress plugin:

• WordPress theme theme independent,
• cross theme usage,
• more freedom to turn on and off.

Minus(es):

• harder to implement in theme

WordPress theme feature coding

But if You are using only one theme for site (custom design for site), I’m sure You can make functions as features for WordPress theme. This is good for specific placement of information, like sidebars or footer information.

WP theme feature pluses:

• good support of WordPress theme  hacks and hooks,
• compatible with WordPress theme.

Minus(es):

• sometimes theme administrations panel can come with too much options

So, before creating WordPress theme options page, think about plugin replacements!

There are many more pros and cons… What’s Yours?

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Solution is PHP code which redirects all www requests to non www page. Since You are (should) use some general configuration or header file in Your web application, you can include this PHP code (very top of php page):

<?php // Removing WWW from URI with PHP http://mediabox.lv/en/?p=136
if ('mediabox.lv' !== $_SERVER['HTTP_HOST']) {
header('Location: http://mediabox.lv' . $_SERVER['REQUEST_URI'], null, 301);
}
?>

It use build-in PHP header() function to redirect all requests to another page, in this case: non-www domain.

Simple!

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Remove WWW from domain

# This will remove www from your domain
RewriteCond %{HTTP_HOST} ^www\.mediabox\.lv$ [NC]
RewriteRule ^(.*)$ http://mediabox.lv/$1 [R=301,L]

This is what I now use for all my domains – domain without www prefix.

Add WWW to domain

This probably is best for old domains like mine www.rolandinsh.lv

# This will remove www from your domain
RewriteCond %{HTTP_HOST} ^mediabox\.lv$ [NC]
RewriteRule ^(.*)$ http://www.mediabox.lv/$1 [R=301,L]

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So here it is: (live example: http://mediabox4b.blogspot.com)

<a expr:href='&"http://www.google.com/reader/link?url=&quot; + data:post.url + &quot;&amp;title=&" + data:post.title + &quot;&amp;srcTitle=&quot; + data:blog.title+ &quot;&amp;srcURL=&quot; + data:blog.homepageUrl ' rel='nofollow' target='_blank'>+add to Google Buzz</a>

put it near data:post.body

Made with MediaBox.lv / Umbrovskis.com

Where
url=data:post.url – post URI,
title=data:post.title – post title,
srcTitle=data:blog.title – post source, You may also use data:blog.homepageUrl,
srcURL=data:blog.homepageUrl – source home page.

And Google Buzz button for WordPress blogs:

<a href="http://www.google.com/reader/link?url=<?php the_permalink() ?>&title=<?php the_title(); ?>&srcTitle=<?php bloginfo('url'); ?>&srcURL=<?php bloginfo('url'); ?>" rel="nofollow" target="_blank">+add to Google Buzz</a>

Put this inside WordPress post loop.

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Here is mine with RewriteEngine On (works on this hosting and both versions of GoDaddy hosting plans example1.com and example1.com/example2.com):

# This will remove index.html AND index.php from URL
RewriteCond %{THE_REQUEST} \/index\.(php|html)\ HTTP [NC]
RewriteRule (.*)index\.(php|html)$ /$1 [R=301,L]

And Kaspar’s method without RewriteEngine On:

RewriteEngine On # remove this, if you have it already
RewriteCond %{REQUEST_URI} index\.html
RewriteRule ^(.*)index\.html$ /$1/ [R=301,L]

Purpose of this is to remove duplicate content from Internet.

[Update on 2010.03.30]

Please keep in mind that some web applications still need index.php file for installation scripts as referrers. So it’s good to keep it in mind and comment these line during installation process if it fails.

# This will remove index.html AND index.php from URL
# RewriteCond %{THE_REQUEST} \/index\.(php|html)\ HTTP [NC]
# RewriteRule (.*)index\.(php|html)$ /$1 [R=301,L]

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