Over the past year, web pages have on average become 25% bigger. We’re not talking about dimensions here, but download size. Based on the top 1,000 websites on the Internet, the average page size has gone from 626 kB to 784 kB.

A 25% size increase in just one year is rather drastic. With that kind of growth, the average web page will be 980 kB in just a year (amost 1 MB!). In five years, a page will be almost 2.4 MB. And that’s just an average, many pages will be significantly larger.

What is behind this exploding growth? Let’s find out.

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The full announcement is over at the Pingdom blog, but we thought this was interesting enough to all of you that we included a shorter announcement here in Royal Pingdom as well.

After more than six million performed tests, we thought it was time to give version 1.0 of our popular Full Page Test in Pingdom Tools a well-earned break. Actually, we’re giving it a full retirement, umbrella drinks and sunny beaches included. But don’t worry, version 2.0 of the Full Page Test is here to save the day! It’s still in beta, a few tweaks remain, but it’s fully functional so don’t hesitate to give it a spin.

This new Full Page Test is still completely free to use. It still helps you profile your website’s performance. But now it’s even better.

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You probably hate slow websites. So do we, and it’s pretty safe to say that it’s a universal rule.

There are a number of factors that can make a web page slow to load, both on the client side (the browser) and on the server side, but one really big factor is page size, and that’s what we’ll be talking about in this article. Hopefully you’ll pick up some useful information along the way.

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At the scale that Facebook operates, a lot of traditional approaches to serving web content break down or simply aren’t practical. The challenge for Facebook’s engineers has been to keep the site up and running smoothly in spite of handling close to half a billion active users. This article takes a look at some of the software and techniques they use to accomplish that.

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The Facebook engineering blog often presents interesting findings about the nuts and bolts of Facebook and the technical side of running that enormous service. The latest post is about Facebook’s experimentation on how site speed affects the behavior of its users, called “Every Millisecond Counts”.

One thing that struck us as extremely interesting was the following findings about site speed.

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Are you a programmer? Want to do something for the environment and even make the world a better place? Then start optimizing your code!

It seems like today the solution to most software performance issues is to throw more hardware at the problem instead of making the software run faster on existing hardware. Doing more with less is a forgotten mantra, and Wirth’s Law continues to ring true:

Software is getting slower more rapidly than hardware becomes faster.

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This week Google launched a new Web community on code.google.com/speed. The goal is to help Web developers speed up their Web applications, but the long-term goal is even more ambitious; to work together to make the Web as a whole a lot faster.

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Here’s some interesting news for all you webmasters and web developers out there. Google has just introduced a tool they call Page Speed that tests a web page based on a set of rules and best practices for fast-loading websites. It then gives you advice on what you can improve to make your website faster. It works as an add-on to Firefox and needs the Firebug extension to work.

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Aside from uptime, website performance is something we talk a lot about here at Pingdom. There are lots of ways to improve the speed of your website, but this post will focus on ways to optimize the size and number of files your website uses, both being important factors affecting the load time.

The files we are talking about are of course the files that are delivered to a visitor when they load your website, such as HTML, CSS, Javascript and most important in this case, images.

Since images usually make up most of the size of a website, we will focus the majority of this article on image optimization.

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This report presents an analysis of 100 top blogs, picked from the Technorati top 100 list. For each of these blogs, the front page (homepage) has been analyzed to see how large its download size is and what contributes the most to this size.

We have chosen to not present the blogs individually in this report, but have instead focused on them as a group to get more general data.

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