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Top 10 Lessons Learned Building PageSpeed and trying to Make The Web Fast

Joshua Marantz (Google)
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Making the web fast feels like boiling an ocean, but that hasn’t stopped us from trying.

Five years ago Google released PageSpeed Insights to analyze and suggest improvements for web sites. Four years ago we released mod pagespeed to implement those suggestions automatically, so every web site can get the basics right with less human effort, putting decent performance within the range of mortals. We’ll discuss some of the lessons have have learned over the years. Where has PageSpeed has been effective? How do we balance our reliance on tools against learning and implementing best practices to create great websites?

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Joshua Marantz

Google

Joshua Marantz is a software engineer at Google, where he is tech-lead of mod_pagespeed, a project to build an open-source Apache module for automatically improving website latency and reducing bandwidth consumption by rewriting HTML, CSS, Javascript, and Images. At Google he has also worked on latency improvements in web caching infrastructure and scalable social networking. Prior to Google, Josh spent 20 years in the Electronic Design Automation industry, much of it working on accelerated functional simulation. He holds BS and MS degrees from MIT, in Computer Science and Engineering, and Electrical Engineering and Computer Science.