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Moving past page load time
Posted in: Community, Monitoring, Performance Testing, Real User Measurement   -   September 11, 2013
10 Comments

Thinking past Page Load Time In the past, the performance of a website was measured by checking how long it took for an event called ‘window.onload’ to trigger, this measurement was dubbed the “Page Load Time” (PLT) of a website. Five to ten years ago, this was a very good indicator, but websites have evolved […]

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Breaking Performance Silos
Posted in: Monitoring, Performance Testing, Speed Up Tips   -   August 30, 2013
3 Comments

It is amazing that, while performance is the result of every aspect of the system, performance as a discipline consists of multiple silos and different groups of performance-related specialists have very limited communication between themselves. You hardly find any book or community covering performance end-to-end. Performance-related responsibilities are usually spread across several groups and rarely […]

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Talking the talk of web performance
Posted in: Community, Monitoring   -   August 28, 2013
3 Comments

Working in the performance industry you’re surrounded by many technical terms. Of course, we need to have many terms and phrases to be able to communicate about specifics. There’s no doubt that much of what we deal with on a daily basis can be very complex, so we need to be careful with how we […]

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Lessons From Optimizing the MindTouch Web Platform
Posted in: Monitoring   -   August 23, 2013
4 Comments

Here at MindTouch we’re focused on creating the ideal software help SaaS. Like any service, speed is a major factor in user satisfaction: How quickly are pages loading? Is every action, from searching to rating pages, happening smoothly? As background, the MindTouch help platform is built on several layers: Backend API: Our RESTful API handles […]

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Mobile App Discovery: A definite need for speed
Posted in: Mobile, Monitoring, Performance Testing, Speed Up Tips   -   August 21, 2013
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If you’re anything like me, you probably have a few apps on your phone that you barely use because they’re painfully slow. It doesn’t help that our attention span is getting ever more fragmented with per session use of apps hovering in the “few minutes” range. This literally translates to an expectation that apps need […]

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The DNS propagation waiting game
Posted in: DNS, Monitoring, Speed Up Tips   -   August 20, 2013
3 Comments

This post is by Dan Wall who is the founder of WhatsMyDNS.net. We all know that feeling, you’ve made changes to your DNS records and what you once had total control over, your precious network setup – has been sent out there for the unknown Internet to decide the fate of. You can never be […]

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10-Seconds to Performance Glory: or How to Beat Steve Souders in a Foot Race at Velocity-Ignite 2014
Posted in: Monitoring, Performance Testing   -   August 9, 2013
2 Comments

Could you beat Steve Souders in a foot race? To find out, the first thing you might do is watch 10-seconds from his talk The Illusion of Speed, at Velocity-Ignite 2013. Which 10-seconds? Start at the 7-second mark and watch until the 17-second mark. Reason? The running performance data that is the most useful is […]

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CDNperf – Understand How CDNs Perform
Posted in: CDN, Monitoring, Performance Testing   -   August 8, 2013
10 Comments

As you might well know, there are quite a few free JavaScript CDNs out there. The problem is, it can be difficult to understand how they perform relative to each other. This is something we managed to solve by developing CDNperf. In this post I’ll go through the brief history of the project to help […]

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When 80/20 Becomes 20/80
Posted in: Monitoring, Performance Testing   -   August 2, 2013
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You’ve probably heard the 80/20 Rule of web performance: typically, 80% of page load time is on the front-end, and only 20% on the back-end. While that’s generally true, there are some important things to watch out for. Caveats to the 80/20 Rule The 80/20 Rule is supported by data gathered mainly from the home […]

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What is a HAR File and what do I use it for?
Posted in: Monitoring   -   August 29, 2012
7 Comments

HAR stands for HTTP Archive. This is a common format for recording HTTP tracing information. This file contains a variety of information, but for our purposes, it has a record of each object being loaded by a browser.  Each of these objects’ timings is recorded. The HAR file format is still an evolving standard, and […]

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Speed as a Feature – Part 2
Posted in: Monitoring   -   August 15, 2012
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This is Part 2 in Chris Kelly’s series about making speed a feature of your application. If you missed Part 1, you can catch up here. Don’t miss the slides that accompanied this talk at the San Diego CTO Forum. As a community, we have spent a considerable amount of time working on the performance of our applications from […]

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Get Ready Now to Maximize the Holiday Shopping Season
Posted in: Monitoring   -   August 9, 2012
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It’s about that time again…the holiday shopping season is the make-or-break time for most online retailers, where they see the greatest volume of traffic and greatest stress on their website and backend support systems.  The 2011 shopping season saw another round of records set for online sales, ranging from $35 billion according to ComScore to […]

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Monitoring 101 – Peeling the Web Performance Onion
Posted in: Monitoring   -   August 7, 2012
1 Comment

I am often asked by folks “What should we be monitoring?” This is a billion dollar question and it seems like everyone has their own answers. I have seen different approaches, some better than others. In this blog post I want to share with you what I think is a “good” methodology for monitoring. To illustrate […]

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