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PPC Optimization: Gender Targeting

In Google Adwords you can optimize conversion rates using gender targeting. Learn how to squeeze more leads out of your PPC spend by targeting high performing demographics singly or in combination. more »

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 »

Case Study: Walkerworldtrade.com Server Upgrade

Moving to a faster server can cut page load times by more than half, and improve behavior metrics like conversion and exit rates. We use Google Analytics to test Walkerworldtrade.com before and after a server upgrade. more »

Form Conversion Rate Optimization

Learn how a combination of form optimization and speed improved conversion rates by more than 92%, more »

Upgrade to a Faster Server: Results

We further explore the results of upgrading to a faster server. Overall the site showed improved response speed and website "stickiness." Average page load times improved by 48% to 60% server response times improved by more than 60%, and people stayed longer, viewed more pages, and bounced less. more »

Upgrade to a Faster Server

Upgrading to a faster server can improve web page speed significantly, up to 66% faster for first paint time and 29% for load times. We moved an example site to a faster server to test the performance improvements. more »

Website Speed and SEO

Having a consistently "responsive" site will ensure that your site will be crawled and fully indexed, and will not suffer slow-loading ranking penalties. Optimizing the TTFB of your site is a good place to start to minimize the effects of speed on your SEO rankings more »

Average Web Page Breaks 1600K

The size of the average web page passed 1600K for the first time in July. Page size appears to inversely correlate with site traffic. 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 »

Avoid Mass Web Hosting

We investigate moving an example site from a slow mass host to a lightly loaded host and measure the results. Server response times were reduced by 82.1% and variability by about 7 fold. 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 »

Flush HTML Early and Often

Developers can speed up start render times by flushing a portion of their HTML document to the client even before the entire HTML file is ready. Both Yahoo! Search and Google use this performance technique. more »

Speed Up Your Netbook: Toshiba NB205 & Toshiba NB525

Slow boot times got you down? Learn how to speed up your netbook or low-powered laptop with more memory, a solid state drive, and software on a Toshiba NB525 netbook. more »

Average Web Video Duration 5.4 Minutes

The average web video has grown by 20% in the last 2 years. more »

Localize External Resources

Even popular offsite widgets can slow down or hang your web pages. Learn how to localize offsite resources to improve web page performance. more »

Blocking JavaScript with Web Page Test

Learn how to simulate the elimination of JavaScript with Web Page Test. By eliminating, deferring or converting your JavaScript behavior into CSS you can speed up your page rendering and 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 »

Diagnosing Slow Web Servers with Time to First Byte

Slow web servers can be caused by a number of factors. You can test for slow server response times with the time time to first byte metric. 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 »

Speed Optimizing Google Analytics

Learn how to speed up web pages that use Google Analytics with a few simple changes, while maintaining its advantages for faster-loading sites. 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 »

Page Speed Factored into Google Search Rankings

Google's addition of a page speed signal to its search rankings algorithm officially links performance with search engine marketing. The loading speed of a web page affects user psychology in a number of ways, and now it can affect its rankings as well. 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 »

Memory Markers and the Subjective Duration of Experience

New research shows that Web developers need to balance the need to create rich, immersive experiences with tolerable download times and scant distractions. 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 »

Usability Study: Men Need Speed

In a recent usability survey, researchers from Southern Illinois University found that after ease of use, men prefer fast download speed to easy navigation. Women prefer ease of use, easy navigation, and accessibility. The researchers hypothesize that these different usability criteria are due to differences in how men and women use the Web. more »

Study: Web Users Prefer Speed Over Customization

The most important interface design factor is speed, according to a new HCI study. Good interface design is essential for widespread user adoption and ultimately website success. more »

The Psychology of Web Performance

Users experience psychological and physiological effects when interacting with web pages, experiencing frustration when not completing tasks and engagement at faster web sites. Learn how web page response times affect user psychology and behavior. more »

Home Page Usability and Credibility Survey

A usability survey revealed that high growth companies are not evaluating and improving their home page designs in a systematic way. By comparing the home pages of the Fortune 30 against Inc Magazine's fastest growing companies, researchers from Minnesota State University found the Fortune 30 had a usability score over 36% higher than the fast growing companies. more »

Book Preview: Information Foraging Theory

We interview today's digital Darwin Peter Pirolli, summarizing his revolutionary new book Information Foraging Theory. Hungry minds are foraging for valuable information on the Web. Learn how to boost your website's information scent or risk becoming a missing link. more »

The Interactive Effects of Website Delay, Breadth, and Familiarity

A recent study examined whether website delay, breadth, and familiarity have interactive effects on user psychology and performance. A significant three-way interaction among all three factors showed that the ill effects of delay can be dampened by familiarity and breadth. Developers are urged to consider site familiarity, breadth, and delay together rather than separately. more »

Clickstream Study Reveals Dynamic Web

A new browser study revealed a shift in how we interact with the Web. University of Hamburg researchers found the Web moving from static hypertext information to dynamic interactive services. Clickstream heatmaps and web page statistics show rapid interaction over smaller areas of the screen. The authors recommend that web developers create concise, flexible, and fast loading web pages to keep pace with the speed of web navigation. more »

First Impressions Count in Website Design

Web designers have as little as 50 milliseconds to capture the interest of potential customers. Through the halo effect, first impressions can influence subsequent judgments of website credibility and buying decisions. more »
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Last modified: December 16, 2016.

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