WordPress.org

Author: Nikolay Matsievsky

This application is aimed to automate all clientside improvements for website that significantly increases load speed of its pages.

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Main Features:

Simple 1-click installation

• overall website acceleration in 1 minute;
• express install requires no advanced knowledge;
• default options guarantee optimal performance;
• monitor for traffic / visitor's time savings;
• average speed up is 300-500% (up to 1000% or 98 by YSlow).

Powerful and fast algorithm

• caching for minimized files;
• caching for gzipped files;
• fast HTML code parsing (1-5 ms in full version);
• server side load decrease (by number of requests).

CSS / JS files merging

• dozens of JavaScript files are combined into 1;
• dozens of CSS files are combined into 1;
• different cache files for different browsers;
• conditional comments parsing;
• libraries can be excluded;
• inline code and external scripts are included by default;
• all code is minified and compressed.

Unobtrusive JS and dynamic loading

• by default scripts are moved to </head>;
• scripts can be moved to </body>;
• scripts can be loaded on onDOMready;
• counters can be moved to </body>;
• ads can be moved to </body>;
• no blocking scripts!

HTML minify / strip comments

• simple and fast regexp for HTML code;
• comments can be striped;
• one-string mode for HTML code.

Earlier flush of content (first 1-2 Kb)

• can help for CPU intensive websites.

CSS Tidy / simple regexp for CSS

• CSS Tidy 1.4 to minify CSS;
• if no CSS Sprites and data:URI simple regexp is used;
• minimization up to 50%.

JSMin / Packer / YUI Compressor for JavaScript

• YUI Compressor if java is installed;
• JSMin by default (with conditional compilation);
• Packer for non-gzip systems;
• minimization up to 50%.

GZIP for HTML / CSS / JS / ICO files

• via .htaccess if it is possible;
• via PHP for HTML / CSS / JS (ob_gzhandler);
• static gzip to prevent CPU wasting;
• additional check via cookie;
• all types of font files are supported;
• advanced support for old and tricky browsers;
• minimization up to 85%.

Optimized .htaccess for Apache

• mod_gzip;
• moddeflate (+ modfilter);
• mod_mime;
• mod_rewrite;
• mod_headers;
• mod_expires.

Client side caching

• 10 years for CSS / JavaScript / fonts / images;
• GET parameter / new filename to clear cache;
• full proxy caching support;
• optional HTML caching;
• customizable time for HTML;
• conditional caching (ETag);
• docs / video / other files via `.htaccess.

Server side caching for minified CSS / JS / HTML files

• static gzip;
• static combine & minify;
• prepared HTML file.

CSS Sprites (background images merging)

• up to 3 images from 100+;
• optimized via smush.it;
• no initial Sprites required.

data:URI (+ mhtml)

• data:URI up to 24 Kb in size;
• mhtml up to 50 Kb in size;
• .cur, .htc, .eot, .ttf, .otf, .svg files excluded;
• mhtml for IE6 and IE7;
• optional CSS files separation;
• optional resource file load on DOMready event;

Multiple hosts for static assets

• HTML images + CSS images;
• 15+ default hosts;
• optional auto-check for availability;
• need only DNS records and aliases in server configuration.

CSS Images optimization (via smush.it)

• PNG can be reduced by 30%;
• GIF can be reduced by 60%;
• JPEG can be reduced by 20%.

PHP4/5 -- Apache module or CGI

• tested on Denwer;
• tested on VPS;
• tested on shared hosting;
• tested on collocation;
• PHP4 backward compatibility.

Auto-update

• additional security;
• no need to download & install;
• all options are saved.