Ilya GrigorikVerified account

@igrigorik

Web performance engineer at Google; co-chair of W3C Webperf WG. In short, an internet plumber.

San Francisco, California
igvita.com
Joined November 2007
325 Photos and videos Photos and videos

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  1. Pinned Tweet
    28 Jun 2016

    High Performance Browser Networking @ : {on,off}line perf best practices at your fingertips!

    20 replies . 477 retweets 882 likes
  2. Retweeted
    7h

    -03 versions of the QUIC drafts are dropping in this morning:

    2 replies . 8 retweets 16 likes
  3. 10h

    BBR, the new kid on the TCP block: - an in-depth look at evolution of TCP models. great read.

    46 retweets 115 likes
  4. 20h

    "A more apt name for our species would be Homo prospectus.. we thrive by considering our prospects":

    1 reply . 10 retweets 12 likes
  5. Retweeted
    May 19

    Want to move to HTTPS, but worried about SEO, ad rev, or perf? Check out how the move went for these three big sites

    HTTPS migration video with ! Check those SEO, ad, & perf graphs 👌
    4 replies . 48 retweets 124 likes
  6. May 18

    Gixy is a tool to analyze nginx configuration & prevent security misconfiguration / automate flaw detection: - nice.

    71 retweets 189 likes
  7. May 17

    kudos to AMP team for a continuous stream of perf improvements: - 50% less bytes on images & Brotli (-10%) for text!

    20 retweets 65 likes
  8. Retweeted
    May 17

    2 billion active Android devices. Quite a PWA platform.

    4 replies . 30 retweets 64 likes
  9. Retweeted
    May 12

    HTTP Archive: breakdown of web font use by format: woff2 70.4% woff 23.3% ttf 5.3% otf 0.9%

    5 replies . 24 retweets 40 likes
  10. Retweeted
    May 16

    This is why HTTP worked -- limited vocabulary of verbs means people can get their heads around it.

    For the majority of people, Git is a magic black box they whisper obscure spells into. Paper about that
    3 replies . 22 retweets 40 likes
  11. May 15

    Tune in live on Thursday.. and level up your security chops!

    Join me at to learn about web security. Reserve your seat now!
    14 likes
  12. May 10

    a must read deep-dive on CSS variables: - they're (much) more powerful than you think.

    1 reply . 83 retweets 210 likes
  13. Retweeted
    May 9

    Solid introductory article on how web browsers work!

    2 replies . 81 retweets 154 likes
  14. May 9

    Why are app install banners still a thing? Hint, you're missing the (web) boat: - send this to your product manager.

    3 replies . 75 retweets 126 likes
  15. Retweeted
    May 7
    Replying to

    :) JS parse times on high-end phones + laptops vs. low-end/average are _so_ different. Hope we see more real-device testing as folks realize

    15 replies . 183 retweets 242 likes
  16. May 7

    The myth of a Superhuman AI: - the best rebuttal I've seen to date, courtesy of .

    2 replies . 35 retweets 65 likes
  17. May 5

    octoDNS: DNS as code + tool for managing DNS across providers: - nifty tool, courtesy of GitHub crew!

    106 retweets 191 likes
  18. Retweeted
    May 4

    Join me, , and Aaron and work in the Wikimedia Performance Team:

    13 retweets 14 likes
  19. Retweeted
    May 4
    Replying to and

    I did some analysis of this using the Wikipedia release/modification dates: . tldr: The avg age of jQuery is 3 years!

    4 replies . 7 retweets 10 likes
  20. May 4

    webhook: lightweight framework to easily create HTTP hook endpoints @ - useful.

    2 replies . 23 retweets 99 likes
  21. Retweeted
    May 3

    HTTP what? : I drew what HTTP is & how HTTP1.x and HTTP2 are different✨ (tweetzine, drawsplainer, codedoodles…I don't know what to call it)

    HTTP What? page 1 of 3. A browser gets data over the Internet. Internet is like a plumbing pipe of data.
    page 2 of 3. Protocol (P in HTTP) is a communication rule between client (browser) and server. Explanation of HTTP1.x
    page 3/3 HTTP2 is a different (new) communication rule that use more efficient data transport method. Explanation of HTTP2
    141 replies . 7,579 retweets 12,793 likes

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