Code license:	MIT License
Labels:	clientside, javascript, css, speedup, optimization, automation, cdn, cache, dataURI, jsmin, csstidy, csssprites, packer, phpspeedy, yuicompressor

Show all Featured wiki pages:
Configuring InstallingAndUpdating SystemRequirements TroubleshootingAndSupport WhatIsWebOptimizer

Links:	Web Optimizer - Faster than Lightning Speed Up Your Website YASS -- the fastest JavaScript library Auto CSS Sprites Data URI [CSS] Sprites
Blogs:	English Blog Twitter Web Optimizer Home Web Optimizer Russian Home English Website Russian Website
Feeds:	Project feeds
Groups:	Discussion List

People details

Project owners:
	sunny.dreamwind, gkondratenko
Project committers:
	bazik.mail
Project contributors:
	chadnov, beshkenadze, sanjakl, janvarev

600+ websites were accelerated with Web Optimizer

Summary

This application is aimed to automate all clientside improvements for website that should significantly increase load speed of its pages. Main Features:

Download

About Web Optimizer

Discussion List

Change Log

Version 0.6.7 'frost', December 1, 2009

Added delayed load for iframes
Improved behavior for 'Uniform cache files' option.
Enabled optimization for cached content in Drupal (native module only).
Separated Upgrade / Install to stable / beta branches.
Improved unobtrusive logic (added ads).
Improved files combine (added exclusions, general logic).
Added Web Optimizer module for Bitrix.

Version 0.6.6, November 16, 2009

Added separation for Community / Lite / Premium Editions.
Added option to move all scripts (w/o merging) to </body>.
Added option 'Uniform cache files for all browsers'.
Added option 'Cache external files'.
Added option 'Enable chained optimization' (can be disabled now).
Added events onBeforeOptimization, onAfterOptimization, onCache to plugins API.
Improved behavior (content skipping) on content different from (X)HTML / also on Ajax requests.
Improved general logic in case of </body> absence.
Improved multiple hosts behavior (especially for dynamic images).
Improved unobtrusive logic (minor fixes, added counters).
Improved Apache modules detection on CGI environments.
Fixed several tiny bugs in files fetching.
VaM Shop added to supported systems.
Geeklog added to supported systems.

Version 0.6.5 'swift', November 4, 2009, Release Candidate 6

Added CSS/JS static file names setting.
Improved chained optimization behavior.
Improved cache clean up.
Improved static assets proxy for compressed files.

0.6.4, October 28, 2009

Added cache re-generation instead of cache clean up.
Added 5 cache file sets generation on options' save.
Added option to force deflate over gzip for IE6/7.
Added 2 options for better placement of Web Optimizer stamp / link.
Added IfModule for all .htaccess rules.
Improved static assets proxy for images.
Improved mhtml behavior for Vista.
Improved CSS Sprites behavior for IE6.
Improved Apache modules detection on CGI environments.
Improved Joomla! plugin / mambot behavior on a few environments.
Improved dynamic styles' loading on DOMready event.
Fixed issues with performance / gzip / footer options incompatibility.

0.6.3, October 20, 2009

Added separated CSS resource file loading on DOMready event (to force render of content).
Added .htaccess functionality detection on CGI systems.
Added gzip and cache for fonts.
Added support for gzip in static assets proxy library.
Added 'cache version' option to skip cache files' mtime check.
Added 'quick check' option to skip complete parsing of external files.
Added 'skip RegExp' option to allow standard-complaint website be faster.
Added textarea to set any CSS code over compressed files.
Spot in title (lang="wo") made optional (in full version only).
Improved multiple hosts behavior in a few cases.
Improved 'Separate CSS files' behavior (data:URI group of settings).
Fixed a bit of minor issues with files fetching / HTML minify.

0.6.2, October 13, 2009

Added mhtml support (optional, in addition to data:URI).
Added mhtml size restriction and mhtml exclude files list.
Added separated CSS files (optional, to split CSS rules and inline images).
Added conditional comments parsing.
Separated inline code merging from external files (both for CSS and JavaScript).
Added possibility to parse <body>.
Added static images proxy for CSS images (only when CSS Sprites / data:URI are applied).
Added separated CSS/JS files for IEs and others.
Released module for Drupal 6.x.
Fixed a number of 'white screen' issues under Joomla! plugin.
Improved compatibility with disabled curl library.
Improved relative directories calculation (also for Wordpress plugin).
Fixed cache folder rights for Wordress plugin.
Improved unobtrusive logic: AdWords height calculated, minor fixes, counters / ads added.
Improved CSS Sprites (minor fixes).

0.6.1, October 06, 2009

Added support to cache static assets via PHP.
Added cross-websites multiple hosts disrtibution.
Improved CSS Sprites logic (background-position on icons, less image size).
Fixed 'white screen' in IE7 on gzip via PHP.
Fixed paths calculation for Joomla! installation inside subdirectory.
Adding debug edition (for Wordpress) to find out issues with product installation / logic.
Fixed a number of 500 errors in Wordpress plugin.
Added support for .htaccess in local directory (RewriteBase is calculated now).
Added username/password for private testing via Basic Authorisation (for curl).
Fixed multiple hosts distribution in HTML.
Added unobtrusive support for AddThis widget.
Improved page rendering on unobtrusive load.

Version 0.6.0 'sailfish', September 30, 2009, Release Candidate 5

Added list of ignored images to data:URI.
Improved caching (now cache reload is forced by mod_rewrite by default, need to re-configure Web Optimizer after upgrade).
Improved CSS Sprites (better parsing values, better % support).
Improved caching (separated cases with gzip, deflate and plain content).
CSS Tidy fixed on background-position with negative values.
Improved CSS minify on CSS Sprites + data:URI disabled.
GUI improvements (percentage screen between stages 2 and 3, texts fixes).
Improved compatibility with both HTML/XHTML (Strict/Transitional) documents.
Application splitted to demo and full editions.
Full Wordpress plugin compatibility with installation logic (.htaccess added).
Native compatibility with corresponding Joomla! 1.5 plugin.
Native compatibility with corresponding Joomla! 1.0 plugin.
Added DE localization.
Added ES localization (the rest).
4images added to supported systems.

Version 0.5.9, September 14, 2009

Added optional restriction for data:URI images' size.
Improved CSS Sprites (a number of background-position cases fixed, resolving cascades improved).
YUI Compressor by default changed to JSMin.
Improved internal integration (now raw content can be parsed).
Improved gzipping (added x-gzip, x-deflate, ETag adjusted).
Native compatibility with corresponding Wordpress plugin.
Added support for JRE component (Joomla! 1.0.x + Joomla! 1.5.x)
MIT license replaced with W3C-like one.
Fixed issue with identical advertisement blocks (unobtrusive logic).

Version 0.5.8, September 8, 2009

Fixed settings saving in administrative interface.
Disabled manupulations with CSS selectors, only parse + minify
Improved unobtrusive logic (added counters, added ads).
Improved external files fetching (and paths calculation).
Added possibility to change password via UI.
Added support for System-Cache mambot for Joomla! 1.0.
Fixed multiple hosts logic (on some environments).
Added ES localization (partly).
MaxDev Pro (1.082) added to supported systems.

Version 0.5.7 'back to school', September 1, 2009

Added server info tab (system requirements).
Improved CSS Sprites (alpha images creation on some environments).
Disabled .htaccess logic on CGI environments (if no Apache modules).
Improved cache directories check / creation on CGI environments.
Improved static assets caching + added 2 more options for them.
Improved HTML caching (POST requests are disabled by default).
UI accessibility greatly improved (for disabled JS).
Minor GUI improvements.
osCommerce (2.2) added to supported systems.
Xayara (1.15) added to supported systems.
XOOPS (2.3.3) added to supported systems.
Website Baker (2.8) added to supported systems.
Open Slaed (1.2) added to supported systems.

Version 0.5.6, August 24, 2009

CSS Sprites upgraded to v2.4 (added percentages to absolute values computing).
Improved repeat-x / repeat-y positioning in CSS Sprites.
Improved absolute and relative paths fetching.
Fixed styles priority (now inline styles after external files).
Fixed exclusing multiple parts from HTML cache.
Separated HTML cache for gzipped and not content.
Improved image optimization logic (via smush.it).
Improved compatibility for Joomla! plugin.
Fixed some UI and localization bugs.
ExpressionEngine added to supported systems.

Version 0.5.5 'falcon', August 17, 2009, Release Candidate 4

Added plugins API (onInstall, onUninstall).
Added plugin for Joomla! 1.5.
Added optional check for gzip via cookie.
Added stamp (bottom right corner of website's pages).
Added gzip compression level (in config file only).
Improved external files and inline styles fetching.
Improved HTML caching (ETag added).
Improved multiple hosts behavior (auto-check is optional now).
Improved compatibility with old PHP4 hosters.
smush.it optimization enabled back (just URL changed).
Fixed some UI and documentation bugs.

Version 0.5.4, August 10, 2009

smush.it optimization disabled (waiting for public API from Yahoo!).
Improved mutiple hosts behavior.
Improved external files fetching.
Fixed initial gzip for HTML detecting.
Fixed PHP4-compatibility (stripos).
UMI.CMS added to supported systems.

Version 0.5.3, July 08, 2009

CSS Sprites upgraded to v2.3 (added detecting some ancestors' CSS rules).
CSS Sprites improved (0 100% case, some minor bugs fixed).
Added timestamp for generated cache files (GET param).
Added different ETag for gzipped and not content.
Added compatibility with PHP 5.3.
Added backup for images optimized via smush.it.
Minor look&feel improvements.

Version 0.5.2, July 01, 2009

Improved multiple hosts behavior
Improved CSS Sprites behavior (bottom / right cases).
Added support for PageCache component in Joomla! 1.0.
Improved caching behavior in .htaccess for static assets.
Added backup for changed files.
Fixed installation issues for Joomla!
Added time / size delta gained after optimization.
Added spot into result HTML to check Web Optimizer activity (<head lang="wo">).
Minor look&feel improvements.

Version 0.5.1, June 27, 2009

Improved multiple hosts behavior in case of CSS images.
Fixed minor issues with classes redeclaration during installation.
Fixed some installation issues under Joomla!.
Minor look&feel improvements.
CakePHP added to supported systems.
CMS Made Simple added to supported systems.

Version 0.5.0 'cheetah', June 24, 2009. Release Candidate 3

Completely new look&feel.
Added links to useful articles from the second stage (settings).
Improved HTML minify (added one-string option).
Improved Web Optimizer overall performance (up to 3-10ms).
Improved unobtrusive ads / counters options.
Improved CSS merging.
Improved parallel downloads.
CSS Tidy upgraded to 1.4a.
Added option to force moving JavaScript to </head>.
Improved static gzip (now included by default).
CSS Sprites improvements (repeat-x / repeat-y / left / right / top / bottom cases).
Fixed 'white screen' on CSS Sprites enabled (due to out-of-memory issue).
Increased data:URI restriction up to 24 Kb (after tests).
.cur, .ttf, .eot files excluded from data:URI.
Bitrix added to supported systems.
cogear added to supported systems.

Version 0.4.9, June 02, 2009

Yii autoload fixed.
Add dimensional restriction for image in CSS Sprites (900 pixels by default).
Added image optimization for all CSS images via smush.it.
Huge improvements in @import and dynamic files fetching (also on relative paths).
.htc files excluded from data:URI.
Added option to include minified JavaScript file before </body>.

Version 0.4.8, May 26, 2009

YUI Compressor envelope fixes.
Improved fetching scripts in head.
Added experimental flush of content (default size is first 1024 bytes).
Added static gzip for dynamic / static CSS / JavaScript files.
Improved multiple hosts separation logic.
Added cache cleanup on installation / configuration.
HTML caching options improved.

Version 0.4.7, May 22, 2009

Added secure installation mode (disabled by default) via htpasswd.
Fixed issue with relative paths for relative document root.
Fixed paths fetching for dynamic CSS/JS files.
Improved CSS Sprites functionality on GDlib and memory problems.
Added client side caching for HTML files.
Added allowed user agents list to cache HTML pages on server side.
Invision Power Board added to supported systems.
Simple Machines Forum added to supported systems.

Version 0.4.6, May 19, 2009

Small bug with HTML minifying regarding pre/textarea/script fixed.
Caching for CSS/JS files improved.
CSS Sprites improvements (safety checks).
Yii added to supported systems.
phpBB added to supported systems.
Kohana added to supported systems.
Textpattern added to supported systems.

Version 0.4.5, May 12, 2009. Release Candidate 2

CSS Sprites changes (sorting order, transparency to 32bit).
Image optimization via smush.it (for CSS Sprites only).
Multiple hosts for images (must be allowed in DNS / server config).
Exclude list for HTML pages caching (also handles parts of URLs).

Version 0.4.4, May 07, 2009

HE localization from Vladimir Karpov.
Memory restriction for CSS Sprites -- now should work with 16M or 32M.
Server-side caching for HTML pages (2 new options in config).
Cache cleanup from control panel possibility.
All libraries includes moved to optimization stage (~1M RAM savings).
Fixed JSMin with conditional compilation.
CSS Sprites minor fixes and improvements (fullcolor, positioning, CSS rules).
Symfony added to supported systems.
CodeIngiter / MaxSite added to supported systems.

Version 0.4.3, May 03, 2009

Slashes on savings in paths are uniformed.
CSS Sprites v2.2: huge improvements (paddings, !important, no_ie6 option, additional image checks on creation).
.htaccess by default is created in local directory (not document root). Added as option.
YUI Compressor envelope PHP4-compatibility.
Fixed stupid bug with @media for CSS files
Zend Framework added to supported systems.
MODx added to supported systems.
DataLife Engine added to supported systems.

Version 0.4.2, April 29, 2009

Inline styles (inside head) are now included on option 'external files'.
Compressor core re-written. Files fetching improved.
NO MTIME option fixed. No aditional files' checks.
CSS Sprites fixes (fetching images, CSS area, overflow, positioning).
Some safety fixes for libraries (shell_exec, etc).
Fixed index.php auto-rewrite on not-closed ?>.

Version 0.4.1, April 24, 2009

mod_filter detecting for .htaccess added.
YASS loader fixes (making this stuff working again).
All files are included via absolute paths.
Fixed data:URI generation (selectors and image mime type).
YUI Compressor for JavaScript added (only on java existence).
CSS Tidy branch for PHP4 added.
Configuration options saving on Upgrade fixed.

Version 0.4, April 21, 2009. Stable Release Candidate

Added option to disable FILEMTIME check from janvarev.
CSS Sprites fixes (transparent color, positioning, data:URI restriction).
vBulletin 3.8 added to supported systems.
Santafox 1.1 added to supported systems.

Version 0.3.9, April 15, 2009

htaccess mod_setenvif check added.
Inline scripts merging improved.
Added Ukranian localization from Sergiy Andriychuk.
Fixed all found PHP notices.
Added localization for all minor options on the Stage 2.
CSS Sprites fixes (data:URI added, positioning, merging).
Added option to inject additional space for CSS Sprites.

Version 0.3.8, April 14, 2009

Auto-updater added (checks and downloads files from SVN).
Chained optimization fixes (CSS Sprites calculation).

Version 0.3.7, April 13, 2009

Chained optimization fixes (paths, tights, progress bar -- 7 stages, YASS used).
compressor moved to web_optimizer (no PHP Speedy traces left).
CSS Sprites fixes (equal images positioning, ctype emulation).
POST data is ensafed via htmlspecialchars.

Version 0.3.6, April 11, 2009

CSS Sprites fixes (positioning, alpha-channel).
Timeout problem faced (data:URI).
JavaScript merging moved to separate option.
Added JSMin option for JavaScript minimization.
Added Document Root as an option.
Added Express Install (one-click mode, chained optimization).
Added check for PHP classes existence.
Joostina 1.2 added to supported systems.
Etomite 1.1 added to supported systems.

Version 0.3.5, April 8, 2009

Mini installer (with a list of files) added.
Localization (EN, RU) added.
CSS Sprites fixes (PNG, alpha channel, etc).
Chmod fixes for mini installer (755, 644 only!).
config.php moved to config.webo.php.
data:URI for IE fix from sanjakl.
Simpla added to supported systems.
PHP-Nuke 8.0 added to supported systems.

Version 0.3.4, April 2, 2009

CSS Sprites ignore list added as an option.
CSS/JS files ignore list added as an option.
Shift calculation for CSS Sprites added.
Joomla 1.0.15 added to supported systems.
Joomla 1.5.10 added to supported systems.

Version 0.3.3, March 31, 2009

Added Dean Edwards Packer as an option.
Typo3 4.2 added to supported systems.
Added jpegtran for JPEG Sprites.
Added aggressive merging for CSS Sprites as an option.
CSS Sprites algorithm improved.

Version 0.3.2, March 31, 2009

CSS Sprites 2.0 (added 2 more types, decreased numebr of images).

Version 0.3.1, March 26, 2009

All PHP Notices in standard mode fixed.
CSS Sprites fixes (PNG32, pseudo-selectors, positioning).
Install directory now in configuration -- any directory can be chosen.

Version 0.3.0, March 24, 2009

Uninstaller added (with /index.php and .htaccess cleanup).

Version 0.2.9, March 23, 2009

External JavaScript / CSS files merging feature.
CSS Sprites fixes (paths, CSS Tidy locale floatval).

Version 0.2.8, March 22, 2009

Joomla 1.5.0 support added.
CSS Sprites fixes (positioning, CSS Selectors).
Some notices in PHP prevented.

Version 0.2.7, March 20, 2009

Paths fixes (Denwer).
Minor UI changes for better usability.
Check for web-optimizer directory added.
Fixed empty data:URI creation.

Version 0.2.6, March 20, 2009

Fixes in unobtrusive JavaScript logic.

Version 0.2.5: March 19, 2009

Auto Rewrite of CMS source file ability (Drupal and Wordpress are supported).
MIT license added to package.
Fixed bug with '?' in file names.
Fixed CSS styles merging (@media and other cases with broken styles).

Version 0.2: March 17, 2009

PHP Speedy namings replaced with Web Optimizer.
.htaccess support added (based on available modules).
JSMin implementation patched to fit PHP4.
CSS Sprites auto generation. Version 1.0.
PHP as CGI implemented.
data:URI patched to fit CSS Sprites existence.
A lof of directories calculation fixes.
RoadMap file added with a list of features.
pngcrush for CSS Sprites and chmod for it.
@import CSS directives parsing (in correct order).
added version to support future auto-update / mini installer.
YASS library is used for unobtrusive JavaScript loader.

Version 0.1: March 11, 2009

Initial version of application.
Ported all scripts from PHP Speedy.