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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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Taming the Third Party Web Performance Beast

Every day we talk to great web companies across the world and hear the same refrain over and over: “I can’t fix that problem because it’s caused by a third party content provider and (insert evil department here) won’t let us remove it”. Third party content is loosely defined as any content included by your [...]

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Improve Your Conversion Rates with Optimized Product Images

The following post was originally guest posted by Zoompf on the ChannelAdvisor ecommerce blog. For the e-commerce retailer, high quality images are critical to a positive buying experience. Rich, clear imagery can often make or break a successful sale. Of course as with everything in life, this comes at a cost. Did you know that [...]

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Step-by-step Guide to Optimizing your Apache site with mod_pagespeed

If you host your own website running Apache and are not already checking out mod_pagespeed, you really should. ¬†Created by Google, mod_pagespeed is “an open-source Apache module which automatically applies web performance best practices to pages, and associated assets (CSS, JavaScript, images) without requiring that you modify your existing content or workflow.” While there are [...]

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Three More Reasons Why You’ll Love Our New Free Report

There must be something in the water at Zoompf – after the birth of my own daughter last May, we recently learned of two more Zoompf daughters heading our way in 2014: one from our founder Billy Hoffman and the other from our head of sales, Kyle Van Pelt. I’m sure these 3 girls will [...]

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Audit Third Parties, Rollup Graphs and More in Our New Free Report!

Happy Holidays! 2013 has been a great year at Zoompf! Our product team has been super busy putting out enhancements to the Zoompf platform, including support to audit the performance of multi-page flows such as shopping carts and user registration, bulk webpage scanning, Jira integration for performance defects, trending graphs, guest sharing links, optimization type filtering, [...]

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Your Cyber Monday Could Have Been Better

Another Cyber Monday has come and gone. Adobe Systems, which tracked the top 2000 US retail sites, reported a record $2.29 Billion in sales, or a 16% increase from last year! What’s also interesting is this growth represented a 55% increase in the use of mobile devices, according to IBM in the same article. With [...]

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How to Improve Your Conversion Rates with a Faster Website

This post was originally published by Zoompf as a guest blog on Moz.com on November 21, 2013. Due to the popularity of this guide we are also republishing here for your reference as well. Back in August the team at Zoompf published a joint research study with Moz analyzing How Website Speed Actually Impacts Search [...]

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Web Performance Survey: How Ready Are the 5 Top US Online Retailers for Black Friday?

With Black Friday just 4 days away, I thought it would be interesting to conduct a website performance survey of 5 of the top US online retailers to see just how ready they are for the upcoming uptick in traffic. And since most sites focus the majority of their optimization efforts on their home pages, [...]

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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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