Application Acceleration & OptimizationApplication Delivery

Why Ecommerce Sites That Use a CDN Take Longer to Become Interactive (and Why You Still Need a CDN)

May 12, 2014 — by Tammy Everts5

One of the most provocative findings in our latest State of the Union for Ecommerce Web Performance was the fact that using a content delivery network correlated to slower performance for retail sites. In today's post, we'll explore what this finding means (hint: correlation doesn't mean causation) and why you still need a CDN in your performance toolkit.

Application Acceleration & OptimizationApplication Delivery

REPORT: State of the Union for Ecommerce Web Performance [Spring 2014]

April 22, 2014 — by Tammy Everts6

A typical leading ecommerce website takes longer to render than it did just three months ago, top sites are slower than the rest of the pack, and sites that use a content delivery network (CDN) are slower than sites that do not. These are just a few of the findings detailed in our latest research into the performance of the top 500 retail sites.

Application Acceleration & OptimizationApplication Delivery

Case Studies: Three Benefits of Automated Performance Optimization

March 13, 2014 — by Tammy Everts1

If you go looking for case studies that prove the business value of improving website performance, chances are you’ll encounter a number of studies that focus on obvious ecommerce metrics like cart size and sales. But there are a number of other ways that improving performance can move other business metrics. Today, I want to highlight a few of these metrics using some customer case studies.

Application Acceleration & OptimizationApplication Delivery

REPORT: State of the Union for Ecommerce Web Performance [Fall 2013]

October 16, 2013 — by Tammy Everts4

Since we began tracking the performance of the top 500 retail websites back in 2010, web page speed has migrated from the technology fringe to center stage, due in part to the numerous case studies from large and small companies demonstrating the relationship between site speed and business KPIs like revenue and conversion rate.

Yet despite all this attention, the question remains: has there been a positive impact on the websites we use every day? Our latest ecommerce performance study suggests not.

Application Acceleration & OptimizationApplication Delivery

How to Find Your Website’s Performance Poverty Line

June 17, 2013 — by Tammy Everts31

The performance poverty line is the plateau at which your website’s load time ceases to matter because you’ve hit close to rock bottom in terms of business metrics. If your pages are well below the performance poverty line, making them a couple of seconds faster doesn’t help your business. Here’s how to find the poverty line for your site.

Application Acceleration & OptimizationApplication Delivery

A Non-Geeky Guide to Performance Measurement Terms

May 30, 2013 — by Tammy Everts1

If you’ve ever been handed a pile of performance data and been stymied by the various measurement terms you encounter, you’re not alone. Even within our industry, standardizing our language is an ongoing challenge. In this post, we’ll walk through five of the most commonly used measurement terms, define them using language a normal person can understand, and talk about when you should care about each.

Application Acceleration & OptimizationApplication Delivery

An 11-Step Program to Bulletproof Your Site Against Third-Party Failure

May 16, 2013 — by Tammy Everts13

Everyone has bad days, and third-party content providers are no exception. If you host third-party scripts — such as ads, social widgets, analytics, and trackers — on your sites, then script failure is inevitable. Sometimes this failure is fleeting and passes almost without notice. Other times, a single line of JavaScript can cause your entire site to crash spectacularly. While you can’t control your third-party content, you can control its impact on your website’s performance. Here are eleven steps to protect your site.

Application Acceleration & OptimizationApplication Delivery

Latency: 4 Ways You Can Fight Back and Accelerate Your Applications

April 17, 2013 — by Joshua Bixby6

Most people have a rough idea that latency has something to do with the delay in moving content from the host server to the user, but when pressed, they struggle with explaining the real-world implications of latency on application performance. In this post, I'm going to explain what latency is, its impact on page load, and how we can fight back.