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Zoompf's Web Performance Blog

Why Mozilla’s mozjpeg project is a big deal

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Earlier this month, Mozilla announced a new project,mozjpeg, whose goal is “provide a production-quality JPEG encoder that improves compression while maintaining compatibility with the vast majority of deployed decoders.” In short, Mozilla is investing in creating an JPEG encoder that will create smaller JPEGs without sacrificing visual quality. These smaller images will just work with [...]

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New Zoompf Features: CasperJS Support, Bulk Scans, and More!

We’ve been publishing a lot on our blog recently. We even published a great post on improving conversions via front-end website optimization over on Moz.com this week. But that’s not all we’ve been working on. At Zoompf, we’ve also been crazy productive, writing code long into the night, continuing to make Zoompf the best front-end [...]

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How Fast Is… Barnes & Noble’s Georgia Tech Bookstore?

Our regular video series How Fast Is…? examines real world websites and details the cause of their performances issues as well as what should be done to solve them. After all, the best way to learn about front-end web performance is to see what other people are doing right and doing wrong. In this edition [...]

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How Fast Is… Healthcare.gov?

Our regular video series How Fast Is…? examines real world websites and details the cause of their performances issues as well as what should be done to solve them. After all, the best way to learn about front-end web performance is to see what other people are doing right and doing wrong. In this edition [...]

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Improving Search Rank by Optimizing your Time to First Byte

Back in August, Zoompf published newly uncovered research findings examining the effect of web performance on Google’s search rankings. Working with Matt Peters from Moz, we tested the performance of over 100,000 websites returned in the search results for 2000 different search queries. In that study, we found a clear correlation between a faster time to first [...]

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Automatically Find and Log Performance Issues with JIRA

At Zoompf, we believe that you should test for performance problems the same way you test for functional defects: early and often! One of the best ways to do that is with Zoompf WPO’s Continuous Auditing feature. Using this feature, Zoompf will continuously scan your web application for performance defects, sending a detailed email report [...]

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You Need A Website Migration Plan!

This week we launched our newly redesigned site. To our visitors, this new site just magically appeared late on Friday, July 26th. However for us, there was weeks of work. And when it came time to launch, Mark insisted that we do something I had never done before: put together a migration plan. At first, [...]

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How Fast Is… Warby Parker?

Our regular video series How Fast Is…? examines real world websites and details the cause of their performances issues as well as what should be done to solve them. After all, the best way to learn about front-end web performance is to see what other people are doing right and doing wrong. In this edition [...]

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Chrome’s Data Compression Proxy

Earlier this year, Google rolled out a new feature for beta versions of mobile Chrome: The Data Compression Proxy. When enabled, your mobile device proxies all its non-SSL web traffic over a SPDY connection to servers at Google. This might sound like something you have heard before. Back when Amazon launched the Kindle Fire, it [...]

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How Fast is… Comic-Con.org?

Our regular video series How Fast Is…? examines real world websites and details the cause of their performances issues as well as what should be done to solve them. After all, the best way to learn about front-end web performance is to see what other people are doing right and doing wrong. In this edition [...]

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