Patrick Meenan

@patmeenan

Web performance ; Chrome dev; WebPageTest.

South Riding, VA
Vrijeme pridruživanja: studeni 2009.

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  1. proslijedio/la je Tweet
    3. velj

    And the reason priorities matter in HTTP/2 is because browsers (esp. Chrome) expect servers to respect them In this example, because the server ignores priorities the high priority fonts get stuck behind lower priority images

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  2. proslijedio/la je Tweet
    3. velj

    Added to results on Unfortunately it's HTTP/2 prioritisation is non-existent / broken.

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  3. proslijedio/la je Tweet
    31. sij

    S2 Systems joined Cloudflare: Cloudflare is now hiring web browser experts! If you are an engineer in Seattle, and want to get your hands dirty with Chromium, WebAssembly, Typescript, Docker and Terraform - consider applying!

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  4. proslijedio/la je Tweet
    30. sij

    Want to change the world? Come join the new Microsoft Edge team today! (Please!)

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  5. proslijedio/la je Tweet
    29. sij
    Odgovor korisnicima i sljedećem broju korisnika:

    Internally, just to verify we know what we're doing, we've ran a test with one big client, and we've observed a small increase in conversions (adds to basket) for progressive JPEG. I haven't got time to publish this as a proper study.

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  6. proslijedio/la je Tweet
    28. sij

    eBay had a big year of performance optimization: ~ smaller payloads, smart prefetching & edge-caching had an impact. For every 100ms improvement in search page loading time, they saw a 0.5% increase in Add to Cart count! ⚡️

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  7. 27. sij

    The Alcatel 1X location is back online (finally) at . Old one died a horrible death so the device needed to be replaced. Don't worry, the new one is still painfully slow.

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  8. proslijedio/la je Tweet
    27. sij

    New blog post by me: 'The impact of SSL certificate revocation on web performance' Includes a focus on EV certificates, because they have some unique issues.

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  9. proslijedio/la je Tweet
    23. sij

    The team that wrote puppeteer for Google built a successor that supports more browsers for Microsoft.

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  10. proslijedio/la je Tweet
    23. sij

    STP 99 is a very much worth trying and testing. It includes the end of plugin support (including Flash) and other changes that we'd really like testing and feedback on.

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  11. 23. sij

    The browser is now available on all of the EC2 locations as well as in the AMI's for private WebPageTest instances.

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  12. 23. sij

    There are new WebPageTest agent AMI's. If you're running a private instance you'll want to update (Google signing keys expired so Chrome stopped updating). New images also include Brave.

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  13. proslijedio/la je Tweet
    22. sij
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  14. proslijedio/la je Tweet
    22. sij

    Ever been to a restaurant and they serve the sides but don't bring mains for ages? It's like a website with slow loading images. U can pick @ the sides but u're not fulfilled! Very few sites monitor the of imgs properly, Yet it can be really easy!

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  15. proslijedio/la je Tweet

    📊 If you do any open source work and have a minute to spare, fill out the Open Source Survey to help gather information about priorities and challenges faced by the community:

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  16. proslijedio/la je Tweet
    22. sij

    OK folks. I'm looking for a technical product manager, to work with me at . Most likely in London. You'll get to build new cloud-native security tools for developers. So knowing your way around the Kubernetes and/or Serverless communities would be nice.

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  17. proslijedio/la je Tweet
    21. sij

    Considering attending Conference, but not sure if you know enough about front end web performance? We got you covered! Tim Kadlec, , is offering a workshop to get you up to speed (pun completely intended) on web performance.

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  18. proslijedio/la je Tweet
    21. sij

    Faster is better! After the rollout of the BBR algorithm goodput improved by nearly 19% for files larger than 1 MB

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  19. proslijedio/la je Tweet
    20. sij

    If anyone is trying to observe OCSP traffic via `tcpdump` or live in Wireshark: make sure IPv6 is disabled on your router. My guess is that OCSP responders are only IPv4? I see no OCSP traffic with v6. Lots in v4. Any TCP experts have any info on this?

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  20. proslijedio/la je Tweet
    17. sij

    Want to capture network traffic from the new Microsoft Edge (or Google Chrome)? I've published a short video to show how easy it is to capture traffic using the built-in Net Export feature, and how to analyze it using free tools.

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