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Zoompf's Web Performance Blog

Unsuitable Image Formats for Websites

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As I mentioned in our How Fast Is … USPS.com video and blog post yesterday, I discovered a few TIFF files on the US Postal Service’s website. I thought a follow up post about images suitable for use on the web was in order. According to the awesome HTTP Archive, the most common image formats [...]

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How Fast Is… The US Postal Service?

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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Instagram and Optimizing Favicons

Something interesting and cool happened with photo sharing service Instagram in the last week. No, I’m not talking about Facebook buying them for $1,000,000,000.00. I’m referring to Instagram co-founder Mike Krieger, and the talk he gave at AirBNB entitled "Scaling Instagram." In his presentation, Mike discusses the technical hurdles faced by going from 0 to [...]

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How Fast Is… Orbitz?

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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Zoompf Performance Reports

Last year, Zoompf was excited to be a CloudFlare launch partner for the release of the CloudFlare App Store at TechCrunch Disrupt. This year, Zoompf and CloudFlare have worked together to create a special new offering: Zoompf Performance Reports.   The Goldilocks Approach Zoompf already offers WPO, our full-featured subscription-based performance scanner. While we get [...]

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Poor Choices are Ruining the Web

A recent article by John Naughton has sparked a debate inside the web design and web development community. Are designers, with their image heavy designs, ruining the web? The answer is yes, but its not why you think. It’s not because designers use big images or even that they use a lot of images. It’s [...]

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Lose The Wait: Optimizing GIF Images

Our Lose the Wait series is all about improving the performance of your web applications. As we have mentioned, a great way to lose the wait is to lose the weight, as in the weight of your page content. In our last post, we talked about using HTTP compression to reduce the size of the [...]

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How Fast is… Target.com

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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Lose the Wait: HTTP Compression

One of the ways you can improve website performance is to reduce the amount of data that needs to get delivered to the client. An easy way to reduce the amount of data sent to a client is to compress the content and then transfer it to the client. This can be done with HTTP [...]

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Zoompf’s Concerns about SOPA and PIPA

Today many websites have voluntarily taken themselves offline or censored themselves to drawn attention to and protest two pieces of potential legislation currently under consideration in the United States. SOPA and PIPA are complex pieces of legislation which have a number of provision and I encourage people to read more about them to understand their [...]

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