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Can swing voters be swung on web performance? If so, which candidate would...
Last spring, I did a fun little exercise where I measured the load times of the campaign sites belonging to candidates in the Republican primary, and then plotted them on a graph to see how their speed...
View ArticleBrowser innovation and the 14 rules for faster loading websites: Revisiting...
This is the final post in a series in which I’ve been addressing a question that was put to me by a customer a few months ago: “Aren’t many of the web performance rules described by Steve Souders in...
View ArticleHow to double the speed of your web applications [VIDEO]
If you’ve been following this site for any period of time, you probably don’t need to watch this video. But if you’ve been looking for a tool to explain the core tenets of performance optimization —...
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Top 10 Web Performance Today posts of 2012
As I wrap things up for the holidays, I thought it would be fun to see which posts over the past year have most sparked people’s interest. I wasn’t too surprised to see that some of the most popular...
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Ilya Grigorik (Google): When it comes to tackling web performance, we all...
It doesn’t matter what area of web performance you specialize in, if you’re anywhere in the performance space, this week’s podcast has something for you: social analytics RUM SPDY HTTP 2.0 CDNs mobile...
View ArticleWeb Performance 101: An opinionated guide to the 22 links every developer...
If you’re just starting out on your web performance journey, it’s easy to feel overwhelmed by how much there is to learn about something as “simple” as making pages faster. When I started this blog...
View ArticleAre we optimizing our images like cavemen?
Years from now, developers will look back on how we use images today and have a good laugh at our expense. How we handle images now is the equivalent of caveman drilling holes in skulls to release...
View ArticleJoshua Marantz (Google): Why erring on the conservative side is a good thing...
One of the greatest perks of my job is that I get to talk to geniuses on a daily basis. I was extremely privileged to be able to chat recently with yet another genius: Joshua Marantz, leader of...
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New findings: Typical leading European commerce site takes 7.04 seconds to load
Last fall, at Velocity London, I had a really great talk with Stephen Thair, who is a UK-based web performance consultant, Velocity committee member, WebPerfDays organizer, and all-around knowledgeable...
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More new findings: Top ecommerce sites are 22% slower than they were last year
Let me say that again, because this is a staggering fact: The world’s top ecommerce sites are 22% slower than they were last year. In December 2011, the median load time for a site in the Alexa Retail...
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The psychology of waiting (and 5 things you can do to make online checkout...
Americans spend an estimated 37 billion hours per year waiting in lines. That’s 118 hours per person (including babies, though I have no idea what they’re standing in lines for), which is pretty...
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Case study: How effective are CDNs for mobile visitors?
Substitute “measuring mobile performance” for “herding cats” in this video, and you’ve pretty much nailed the challenge we’re up against every day. Fortunately, we like cats. Experiment: Measuring the...
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11 questions (and answers) about content delivery networks and web performance
I get asked about content delivery networks (CDNs) and how they fit into the bigger performance picture all the time, both in-house here at Strangeloop/Radware and out in the world. So it came as a...
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Notes from Velocity 2013: What people are saying about user experience, RUM,...
I haven’t been to a Velocity conference since 2011, so it was great to get out of my little ivory tower (just kidding: my tower is made out of regular old cinderblock) and get down to Santa Clara last...
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New findings: Typical leading ecommerce site takes 4.9 seconds to serve...
Today at Radware, we’ve just released our State of the Union: Ecommerce Page Speed & Web Performance [Summer 2013]. If you’re not familiar with this report, it’s a quarterly benchmark of the page...
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State of the Union: Page Speed & Web Performance [INFOGRAPHIC]
Last week, we released our quarterly State of the Union for ecommerce web performance. This week, I want to share a poster version of the infographics we created to accompany the report. (If you want a...
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Who’s really to blame for CMS performance challenges?
Despite the title, this post isn’t about finger-pointing. Rather, I want to take some time to address the fact that performance is a widely recognized issue for sites that use a content management...
View ArticleWhen design best practices become performance worst practices
I’m in the process of putting a report to bed, so no new post here this week. However, a piece that I wrote for UX Magazine — about what happens when good design practices go bad — just went live. I...
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New findings: Median ecommerce page has slowed down by 21% in the past year
It’s the first quarter of 2014, which means it’s time for Radware’s quarterly state of the union for ecommerce web performance. The full report is available for download, but first, here’s a high-level...
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Case Study: How Symantec is showing its visitors the wrong content first
In my post on how to read waterfall charts, I touched on the importance of knowing how quickly a page starts to render, because this can have a powerful effect on a visitor’s perception of your site’s...
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