Upcoming PageSpeed 1.9 has a few new rules implemented and ShowSlow needs to keep up. Welcome ShowSlow 0.9 with updated beacon. New rules displayed include: Avoid CSS @import Avoid document.write Combine images using CSS sprites Prefer asynchronous resources Just follow upgrade instructions if you already have an instance running. Or you can download code package…

I don’t know about you, but I’ve been using WebPageTest a lot lately – having a web-based app always available makes wonders! Testing one page over and over again is quite common when working on optimization for a particular site so I’ve added WebPageTest form to a details page on ShowSlow long time ago. This…

Sometimes it’s hard to quantify the benefits of performance improvements. Many tools try to show you data and many rule-based tests and best practices exist to describe the goals, but there is still no clear connection in business people’s heads between particular site’s performance and savings or profits that performance optimization projects will bring. As…

Summer is over, we’re all vacation-recharged and it’s time for some serious Web Performance! Come out of your sleepy summer mood and join us for next New York Web Performance session. September 15 at 5:45PM (time is updated) at Logicworks: RSVP here: http://www.meetup.com/Web-Performance-NY/calendar/14568561/ Philip Tellis (@bluesmoon) will be speaking at New York Web Performance group…

A few people got interested in drop-in web performance .htaccess file so I decided to move it to a separate project on Github and invite all of you to participate in building a simple solution for web site performance that anyone can use! github.com/sergeychernyshev/.htaccess Go, fork it! We have a lot of work to do:…