June 2012
Intermediate to advanced
226 pages
5h 5m
English
Content preview from Web Performance Daybook Volume 2Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Chapter 23. Advice on Trusting Advice
We all know that third-party content means you no longer control all the factors which affect page load time. A sleek, well-tuned, and optimized site can still deliver a poor user experience because of problems with third-party content. Steve Souders even used to publish a series of blog posts (http://stevesouders.com/p3pc/) where he analyzed and rated the performance of third-party content snippets (http://www.stevesouders.com/blog/2010/02/17/performance-of-3rd-party-content/). (Dear Steve, please bring this back, it was awesome). Mathias Bynens took this one step further, showing how to additionally optimize Google’s markup and JavaScript snippets (http://mathiasbynens.be/notes/async-analytics-snippet).
The surprising lesson to learn from Steve and Mathias is that if you want a fast site and third-party widgets, then you need to examine the third-party content for performance problems, even when a snippet comes from a trusted authority on web performance. So this post isn’t really going to be about third-party content. It’s going to be about trusting advice.
Last week a Zoompf customer, the online precious metal exchange GoldMoney (http://goldmoney.com/), contacted Support about an issue our technology flagged on their site. We had detected an issue with Google’s JavaScript library for their Google+ button. Zoompf WPO was suggesting the customer do something which was contradicting Google’s advice. And that was enough to give GoldMoney ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.