Sergey Chernyshev

My Blog

Blog about my projects and web in general


From time to time, I give talks on various web-related topics like Web Performance.

Recent talks and materials
November 11th, 2015web performance Guest lecture on performance as part of CS5336 cource at Cornell University
October 28thth, 2015web performance Speed is Feature #1 at O'Reilly Velocity Webcast
March 11th, 2015web performance Fast and Responsive Images at New York Front End Coders Meetup
January 15th, 2015web performance Speed is Feature #1 at a joint New York Web Performance and NYC CSS/UX Meetup
October 9th, 2014web performance Lightning Fast / Responsive Images at The New York Web Standards Meetup Group
see the rest ...
New York Web Performance Group


I've organized New York Web Performance Group - you can check meeting schedule over at

I also help other organizers and run organizer's mailing list, if you are already running a group or want to start one, let me know.

In addition to meetup, I also organize WebPerfDays NY - New York branch of one-day un-conference about Web Performance.

Note To Self Note To Self in Apple App Store

Note To Self

Note to self helps you quickly send email to your own email address

If you ever sent email to yourself to track to-do item or save a note for archive along with your email, this is a tool for you.



ShowSlow is a tool for aggregating and visualizing web site performance information. It is also available as open source tool.


HowDoable HowDoable is a project of mine that helps people keep track of important things by reusing their todo-lists. It also has some predefined tasks like sharing links or creating events on Facebook, Tweeting, emailing, adding musical gigs on LastFM and so on - they speed up on-line tasks.

Open Source

Semantic Web

Other links

Contact me

If you want to contact me, here's
contact form.