Call (877) SITE-OPT (748-3678)

Healthcare.gov One Year Performance Review

After one year of improvements, how fast is the healthcare.gov website? While the site is more available, response times have slowed down by 62% to 78% over the past year. We offer some triaged recommendations to improve the speed of healthcare.gov. more »

Wordpress Performance Optimization

Learn how to speed optimize Wordpress for faster web pages and ultimately better conversions and rankings. Optimized hosting, performance plugins and modules, profilers, and other tools and software can help you pinpoint performance bottlenecks and speed up your site. more »

Speedy Mobile Sites Impact Google Search Rankings

Google is now factoring in mobile friendliness and mobile website speed into their search engine rankings. more »

Use a Website Accelerator

Automated website acceleration products can speed up your site without developer intervention. We test the effectiveness of Radware's Fastview appliance on a test site and find significant improvements in speed. more »

Velocity 2013 New York City Highlights

The first Velocity Web Performance conference held in New York City was chock full of interesting talks and hands-on workshops. We've got highlights. more »

Healthcare.gov Performance Review

This article evaluates the website performance issues of the healthcare.gov site, and offers some solutions to improve speed. A brief analysis shows a number of issues that could be addressed to improve the user experience. more »

Optimize Start Render Time

HCI guidelines say load useful content within 1-2 seconds, do your pages measure up? Learn how to optimize the start render time of your web pages to speed up useful content display. more »

Average Number of Web Page Objects Breaks 100

The size and complexity of web pages has increased at an alarming rate. Despite increases in bandwidth, the load times of web pages has increased by 48% over the past two years. Reducing HTTP requests has become a critical skill in speeding up page load times. more »

Blocking CSS with Web Page Test to Simulate Elimination of CSS

Learn how to simulate the elimination of CSS with Web Page Test. By eliminating, combining, and recoding your style sheets using modular or object oriented CSS you can speed up your page rendering and load times. more »

Use a Web Page Optimization Tool

Web page analysis and optimization tools can help locate and minimize performance bottlenecks. They can improve accessibility, spelling, XHTML markup, and even search engine visibility. We update our survey of the web page optimization tool landscape. more »

Velocity 2011 Web Performance Conference

Highlights from the 2011 installment of O'Reilly's Velocity web performance conference, held in Santa Clara, CA in June. The author sums up the tools and tips from the conference as well as a book signing. more »

Page Speed Online

The online version of Google's Page Speed browser extension features a new mobile web page analysis mode. more »

Serving 2012 Olympic Tickets: London2012 15, CoSport 0

The race is on to get tickets to the 2012 Summer Olympics in London, England. Are the web sites handing the traffic as fast as the athletes they promote? more »

Automatically Speed Up Your Site with mod_pagespeed for Apache

mod_pagespeed is an open-source Apache module that automatically speeds up web sites. Through a number of filters, mod_pagespeed trims the fat off your HTML, CSS, JavaScript and images, reduces HTTP requests, and improves caching. In this article we introduce mod_pagespeed and summarize the available filters. more »

Velocity 2010 Web Performance Conference

Highlights from the Velocity 2010 conference on web performance. This sold-out event explored the latest technique for fast websites, and is a must-see for performance engineers. more »

Anatomy of a Redesign

A behind the screens look at a recent redesign of WebsiteOptimization.com. Includes CSS sprites, Movable Type integration, and a three-dimensional look. more »

Web Page Performance Thesis

A Ph.D. thesis on web page performance quantifies the key factors in web page response times. Uses software to measure, model, and monitor response times and improve user satisfaction. more »

O'Reilly Books on Web Performance

We sum up the available books on web performance from O'Reilly. more »

Inline Images with Data URLs

Learn how to embed images into your web pages with data URLs. The data: URI scheme includes images directly into your XHTML pages using code instead of external files, saving valuable HTTP requests. more »

Suture CSS or JavaScript Files to Reduce HTTP Requests

Learn how to "suture" CSS or JavaScript files together before delivery from the server to save HTTP requests. You'll have your organization and eat it too with this server-side approach to merging files. more »

CSS Sprites: How Yahoo.com and AOL.com Improve Web Performance

Learn how AOL and Yahoo! use CSS sprites to improve performance for their busy home pages. CSS sprites save HTTP requests by using CSS positioning to selectively display composite background images. To maximize accessibility and usability, CSS sprites are best used for icons or decorative effects. more »

Mono-Image CSS Rollovers

Learn how to create menu rollovers with different graphic backgrounds with one image. Save HTTP requests by combining on and off images into one mini-sprite and position with CSS. more »

Highlight the Current Page with CSS: The Body ID/Class Method

This article shows how to automatically highlight menu items that correspond to the current page using CSS and XHTML. These "you are here" waypoints help orient users and improve usability. Using CSS avoids the need for complex scripting which simplifies maintenance and improves performance. more »

CSS Overlays: Using CSS Positioning to Overlay Web Objects

Learn how to create an eye-catching overlay with CSS positioning. This CSS-layout technique is faster than image slicing requiring fewer HTTP requests. more »

Accessible CSS Forms: Using CSS to Create a Two-Column Layout

Websites have become less accessible and more complex over time according to recent studies. Learn how to buck the trend by creating fast, accessible CSS forms that work with modern browsers and gracefully degrade. more »

Bookend Lists: Using CSS to Float a Masthead

Learn how to create that 'bookend' look with lists and CSS positioning. This CSS-layout technique saves a significant amount of XHTML code over tables. more »

CSS: Use Shorthand Hex Colors

Shorthand hex notation substitutes 3-character color values for 6-character colors when each of the color channels is identical in an RRGGBB hex triplet. Shorthand hexadecimal colors can help optimize your style sheets, especially when combined with shorthand properties and grouping. more »

CSS: Substitute CSS2 Menus

Substituting CSS2-styled lists for graphic menus and JavaScript can streamline your pages and make them more accessible. more »

CSS: Use Descendant Selectors

Descendant selectors are an elegant way to apply styles to specific areas of your page while reducing the need to embed classes within elements. more »

CSS: Use Type Selectors

High-level type selectors style identical elements in your document without the need for extra classes. more »

CSS: Group Common Styles into Shared Classes

You can group styles common to different rules into their own classes to save repeating yourself. By applying multiple classes to one element in CSS you can modularize your code to help optimize your style sheets. more »

CSS: Group Selectors and Declarations

By grouping CSS selectors that share the same declaration and declarations that share the same selector you can apply multiple declarations to multiple selectors to optimize your style sheets. more »

CSS: Group Declarations

Grouping common declarations for the same selector in CSS allows you to apply multiple declarations to one selector to optimize your style sheets. more »

CSS: Group Selectors

Group selectors for the same declaration in CSS to shrink your style sheets. more »

CSS: Use Shorthand Properties

Use shorthand properties in CSS to shrink your style sheets. more »
Copyright © 2002-2017 Website Optimization, LLC. All Rights Reserved - Free website speed test - Privacy Policy
Last modified: November 19, 2014.

Follow us on: Twitter, Google+, Facebook, Linked In