Title: WP-HTML-Compression
Author: Steven Vachon
Published: <strong>Август 23, 2009</strong>
Last modified: Апрел 23, 2013

---

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This plugin **hasn’t been tested with the latest 3 major releases of WordPress**.
It may no longer be maintained or supported and may have compatibility issues when
used with more recent versions of WordPress.

![](https://s.w.org/plugins/geopattern-icon/wp-html-compression.svg)

# WP-HTML-Compression

 By [Steven Vachon](https://profiles.wordpress.org/prometh/)

[Download](https://downloads.wordpress.org/plugin/wp-html-compression.zip)

 * [Details](https://tg.wordpress.org/plugins/wp-html-compression/#description)
 * [Reviews](https://tg.wordpress.org/plugins/wp-html-compression/#reviews)
 *  [Installation](https://tg.wordpress.org/plugins/wp-html-compression/#installation)
 * [Development](https://tg.wordpress.org/plugins/wp-html-compression/#developers)

 [Support](https://wordpress.org/support/plugin/wp-html-compression/)

## Description

Combining HTML «minification» with cache and HTTP compression (**[WP Super Cache](https://wordpress.org/extend/plugins/wp-super-cache/)**,
or similar) will cut down your bandwidth and ensure near-immediate content delivery
while increasing your Google rankings.

This plugin will compress your HTML by shortening **URLs** and removing **standard
comments** and **whitespace**; including new lines, carriage returns, tabs and excess
spaces. Most importantly, by ignoring `<pre>`, `<textarea>`, `<script>` and Explorer
® `conditional comment` tags, **_presentation will not be affected_**.

## Screenshots

 * [[
 * This is what the XHTML looks like after being compressed with WP-HTML-Compression.
 * [[
 * This is what the same XHTML from the above screenshot looked like prior to compression.
 * [[
 * This is an example of how to use the compression override.

## Installation

 1. Download the plugin (zip file).
 2. Upload and activate the plugin through the «Plugins» menu in the WordPress admin.

## FAQ

  Installation Instructions

 1. Download the plugin (zip file).
 2. Upload and activate the plugin through the «Plugins» menu in the WordPress admin.

  Will this plugin slow down my page load times?

Yes, slightly. While you should be using **[WP Super Cache](https://wordpress.org/extend/plugins/wp-super-cache/)**
anyway, it will correct the issue.

  Will Internet Explorer conditional comments be removed?

No.

  Is this plugin HTML5-compatible?

Yes.

  Will having invalid HTML cause an issue?

Probably, however WordPress does a pretty good job of correcting invalid markup.
But honestly, it’s your job to make sure that your code doesn’t suck.

  Will this plugin interfere with my hash-based JavaScript navigation?

If the links in your HTML are _not_ hard-coded as hashes without the use of a script,
an issue could occur with URL shortening. If so, setting `$shorten_urls` on line`
21` of _libs/html-minify.php_ to `false` will fix that.

  My URLs have the «http:» and/or «https:» stripped??

This is totally fine and actually intentional. It’s standard and will not cause 
404s nor get in the way of your SEO, but it _will_ lower file size! You might be
interested in reading more about this technique, called **[scheme-relative URLs](http://paulirish.com/2010/the-protocol-relative-url/)**.

  Why does my compressed HTML have a space between most tags?

To preserve _rendered_ whitespace. One or more line breaks in your markup are rendered
as a single space in a web browser. Visual discrepancies would occur if those line
breaks were not converted to at least one space.

  How do I mark areas that should not be compressed?

While <pre>, <textarea> and <script> tags are automatically left uncompressed, you
can designate any code to be exempted from compression. Simply drop your content
between a pair of `<!--wp-html-compression no compression-->` comment tags. A picture
is worth a thousand words; so, check the **[screenshots](https://wordpress.org/extend/plugins/wp-html-compression/screenshots/)**.

  How do I compress the contents of <script> tags?

Until a settings page is created, you’ll have to edit the file from the «Plugins»
menu in the WordPress admin. Set `$compress_js` on line `21` of _libs/html-minify.
php_ to `true`. **This is not recommended** as this plugin is not yet ready to _properly_
compress inline scripts.

  Are you or have you thought of using HTML Tidy?

Since not every WordPress server supports the installation of PHP extensions, this
plugin does not currently make use of HTML Tidy. However, future releases may do
so.

  Will this plugin work for WordPress version x.x.x?

This plugin has only been tested with versions of WordPress as early as 3.2. For
anything older, you’ll have to see for yourself.

## Reviews

There are no reviews for this plugin.

## Contributors & Developers

“WP-HTML-Compression” is open source software. The following people have contributed
to this plugin.

Contributors

 *   [ Steven Vachon ](https://profiles.wordpress.org/prometh/)

[Translate “WP-HTML-Compression” into your language.](https://translate.wordpress.org/projects/wp-plugins/wp-html-compression)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/wp-html-compression/),
check out the [SVN repository](https://plugins.svn.wordpress.org/wp-html-compression/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/wp-html-compression/)
by [RSS](https://plugins.trac.wordpress.org/log/wp-html-compression/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

#### 0.5.8

 * URLs within `<script>` and `<style>` tags are no longer shortened unless compression
   on such tags has been enabled

#### 0.5.7

 * Upgraded to **[Absolute-to-Relative URLs](https://wordpress.org/extend/plugins/absolute-to-relative-urls/)**
   v0.3.4
 * Empty, hash-only anchors (`"#"`) are no longer invalidated by the URL shortener
 * Bypasses compression for **[Humans TXT](https://wordpress.org/extend/plugins/humanstxt/)**
   output

#### 0.5.6

 * Upgraded to **[Absolute-to-Relative URLs](https://wordpress.org/extend/plugins/absolute-to-relative-urls/)**
   v0.3.3
 * Javascript URIs (`"javascript:"`) are no longer invalidated by the URL shortener
 * Minor cleanup

#### 0.5.5.1

 * Oops, minor slip-up

#### 0.5.5

 * Upgraded to **[Absolute-to-Relative URLs](https://wordpress.org/extend/plugins/absolute-to-relative-urls/)**
   v0.3.2
 * Data URIs (`"data:"`) are no longer invalidated by the URL shortener
 * URL shortener now applied to `data` attribute values (common to `<object>`)
 * Minor bug prevention

#### 0.5.4.2

 * PHP errors hidden if/when plugin file is accessed directly

#### 0.5.4.1

 * Fixed typo on variable

#### 0.5.4

 * Plugin should always load now, even for installations that seem to skip the execution
   of `template_redirect` (?)
 * Converted for use in standard PHP as **[HTML Minify](http://www.svachon.com/blog/html-minify/)**,
   for which this plugin now simply wraps
 * Compression statistics comment disabled by default

#### 0.5.3

 * Bypasses compression for robots.txt
 * Corrected «invalid plugin header» issue when activating from install screen

#### 0.5.2

 * Upgraded to **[Absolute-to-Relative URLs](https://wordpress.org/extend/plugins/absolute-to-relative-urls/)**
   v0.3.1

#### 0.5.1

 * Upgraded to **[Absolute-to-Relative URLs](https://wordpress.org/extend/plugins/absolute-to-relative-urls/)**
   v0.3
 * JavaScript library references with scheme-relative URLs (`//domain.com/`) are
   no longer broken
 * Canonical URL no longer shortened
 * Minor bug fixes

#### 0.5

 * Includes **[Absolute-to-Relative URLs](https://wordpress.org/extend/plugins/absolute-to-relative-urls/)**
   for `action`, `href`, `src` attributes
 * Bypasses compression for RSS/Atom feeds
 * Bypasses compression on admin/dashboard pages to free up resources for other 
   tools/plugins
 * Compresses themes that don’t make use of a header.php file (previously did not)
 * Removes any empty attributes using single-quote encapsulation (previously supported
   only double-quotes)
 * Removes excess spacing within opening and closing tags (previously supported 
   only self-closing tags)
 * Converts new lines to spaces so that _rendered_ whitespace is preserved
 * Simplified compression statistics comment
 * PHP errors hidden if/when plugin file is accessed directly
 * Speed optimizations

#### 0.4

 * Removes empty attributes except `action`, `alt`, `content`, `src`

#### 0.3

 * Comments in <textarea> are no longer removed. Browsers seem to display such text
 * Removes excess spacing within self-closing tags
 * Speed optimizations

#### 0.2

 * Fixed compression override

#### 0.1

 * Initial release

## Meta

 *  Version **0.5.8**
 *  Last updated ** 8 сол ago**
 *  Active installations **1,000+**
 *  WordPress version ** 3.2 or higher **
 *  Tested up to **3.5.2**
 *  Language
 * [English (US)](https://wordpress.org/plugins/wp-html-compression/)
 * Tags
 * [absolute](https://tg.wordpress.org/plugins/tags/absolute/)[bandwidth](https://tg.wordpress.org/plugins/tags/bandwidth/)
   [comment](https://tg.wordpress.org/plugins/tags/comment/)[comments](https://tg.wordpress.org/plugins/tags/comments/)
   [compress](https://tg.wordpress.org/plugins/tags/compress/)
 *  [Advanced View](https://tg.wordpress.org/plugins/wp-html-compression/advanced/)

## Ratings

 3.4 out of 5 stars.

 *  [  6 5-star reviews     ](https://wordpress.org/support/plugin/wp-html-compression/reviews/?filter=5)
 *  [  2 4-star reviews     ](https://wordpress.org/support/plugin/wp-html-compression/reviews/?filter=4)
 *  [  1 3-star review     ](https://wordpress.org/support/plugin/wp-html-compression/reviews/?filter=3)
 *  [  1 2-star review     ](https://wordpress.org/support/plugin/wp-html-compression/reviews/?filter=2)
 *  [  4 1-star reviews     ](https://wordpress.org/support/plugin/wp-html-compression/reviews/?filter=1)

[Add my review](https://wordpress.org/support/plugin/wp-html-compression/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/wp-html-compression/reviews/)

## Contributors

 *   [ Steven Vachon ](https://profiles.wordpress.org/prometh/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/wp-html-compression/)