Sergey Chernyshev

When I first visited ITP show back in 2005 or so, I realized that I am interested in physical computing and when going home from the show I came up with the idea of a project with ITP spirit – a window into a virtual world. The idea was to use a notebook or a…

A few people noticed that users submitted all kinds of URLs to Show Slow including those with file:// schema and even chrome:// schema (internal schema for Firefox extension files). Some users also sent URLs with private IPs and from localhost which can not be accessed from the internet by general public. I added some code…

I’ve been dreaming about this for a while now and then Aaron and I were working on different parts of the system which allowed that to happen and now it’s possible! Please welcome automated YSlow and Page Speed monitoring using Show Slow! Now all you need to do is to register an account and enter…

First, a short intro – I’ve been thinking of what to do with all the ideas I’m coming up and I’d like to try posting blog entries under “Concepts” category. I’ll accept comments and will write additions to the concept there as well. We’ll see what it’ll be like ;) On my way home today,…

After using drop-in .htaccess file in a few of my projects I realized that people have problems with it because their Apache doesn’t have the modules enabled. Then I realized that apache doesn’t have any of those three modules (mod_deflate, mod_rewrite and mod_expires) enabled by default. It means I found a first project that needs…

Release 0.6 is packed with new stuff – first of all, smoothing that was originally implemented in JavaScript was too slow and got moved to server side in PHP code so now results are still smooth, but not clogging down the browser. Front-end performance is always a priority for ShowSlow project and all performance-related bugs…

It’s very important to speed up your web sites so you don’t loose the users. That being said, many tasks in the checklists from Yahoo or Google are quite complex and are hard to grasp for people who didn’t work all their life configuring Apache or digging deep into the depths of HTTP. To help…

Great news for Semantic Web, Facebook announced that they are going to use more structured metadata in shared web pages then just their original meta tags. There are two parts to it – first they are going to provide storage about all things withing Facebook and on the internet in JSON format so people can…

Many people were frustrated with the graphs ShowSlow was showing as rankings and other measurements change too frequently if your pages are dynamic in nature and show different content on every request. ShowSlow v0.5 is using rolling average to smooth the graphs, hope it’s going to be easier on your eyes and will help you…

WebPageTest.org is getting more and more popular, it was included in Google’s epic announcement that site performance is now part of ranking! So, this Thursday, April 15th, get ready for WebPageTest.org Demo by Nicholas Tang at New York Web Performance Meetup! If you haven’t RSVPed yet, now is your chance! If you can’t attend please update your RSVP…