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Sr Web Developer Programs Engineer at @Google. Steward of @HTTPArchive+@ChromeUXReport transparency data. Host of The State of the Web. Coauthor of @UsingWPT.

1,441 Following   3,395 Followers   2,734 Tweets

Joined Twitter 11/12/09


Reading a WebPageTest Waterfall Chart by @TheRealNooshu https://t.co/OCv6Omz9WP
Retweeted by Rick Viscomi @streetseidell Just found out the prank war was faked. I feel lied to! 😂 https://t.co/yMvDrG5XyA @geekybiz Not yet but this is on our radar. Also, the `summary_requests` dataset is much smaller and contains CDN… https://t.co/YhkP7OhpmP @rob_dodson @malchata Hope to start work on that in Q1 2020. Feel free to comment on the doc if you have any other ideas/suggestions. @rob_dodson @malchata The dataset is becoming especially unwieldy after growing the number of websites per crawl by… https://t.co/3TSxXmN6hl
12/7
2019
Awesome stats about CDN usage. Thanks @AndyDavies ! https://t.co/X1Fm3QN031
Retweeted by Rick Viscomi
12/6
2019
Dear ladies of frontend, please answer this survey on the state of JavaScript. Last year (2018) there were over 20,… https://t.co/iLQJAgxT7C
Retweeted by Rick ViscomiBookmark it, add to pocket, share with your team, customers, executives #webalmanac https://t.co/YFI8wGZUil #perfmatters #webperf
Retweeted by Rick Viscomi
12/5
2019
Day 3 of the web perf calendar with @tunetheweb on his involvement with @HTTPArchive's Web Almanac and how we can g… https://t.co/cPW08dc38U
Retweeted by Rick ViscomiAn amazingly in-depth and informative look at the state of the open web in 2019 using the data from over 5 million… https://t.co/JImqRH9nvn
Retweeted by Rick Viscomi @tomayac @Twitter Desktop user checking in. LGTM. https://t.co/s8Np6huRHX
12/3
2019
Day 1 of the Web Performance Calendar is here https://t.co/W9nBmZVJK9
Retweeted by Rick ViscomiIf you haven't read the @HTTPArchive's 2019 Alamanac yet, Stefan is putting together a thread of highlights. And l… https://t.co/wh5ztgGqVS
Retweeted by Rick ViscomiExcellent roundup of Almanac insights! 🧵👇 https://t.co/jMwxxzLVVW
12/1
2019
Okay this is more than a weekend read but it looks AMAZING and fun to dig through. 2019 Web Almanac! https://t.co/TWwHpngY1D
Retweeted by Rick Viscomi
11/30
2019
Reminder: No ARIA is better than Bad ARIA https://t.co/iWnBWSgo7x #aria #webdev #a11y
Retweeted by Rick Viscomi @bendhalpern @molly_struve @JakeHerrington @mackrairit @andaizhao @jessleenyc @PeterKimFrank @lightalloy Your stack… https://t.co/ZzSUutGrEt
11/27
2019
@LoukilAymen @addyosmani @RickByers @logico_ar The dataset for the Performance chapter is the @ChromeUXReport which… https://t.co/3OFxCpmklH @RickByers @logico_ar Based on the Web Almanac, 40% of origins meet a fast First Input Delay and 13% a fast First C… https://t.co/QHXdglC1Cd
Retweeted by Rick Viscomi @HenriHelvetica @patmeenan Oh ok. I listened to it too but don't remember that takeaway. Harsh criticism to say the… https://t.co/kPwS67z5HD @HenriHelvetica @patmeenan Was he referring to H2 as a whole or just Push in this case? @ABDigital2 A massive effort!The Web Almanac 2019 report provides more statistics of the poor state of web accessibility:… https://t.co/svpKpcRGio
Retweeted by Rick ViscomiOoo I'll be giving this @HTTPArchive report a good read through soon. https://t.co/yoaJ4wal7H
Retweeted by Rick Viscomi @dawnieando @rachellcostello @yvoschaap @g33konaut So glad to hear that! Please share any artifacts (slides, video,… https://t.co/pi8ElS8pIjOK, it's a tiny thing but I'm glad @rick_viscomi merged my PR to change "alt tags" into "alt attributes" in the… https://t.co/WNIYsZLdFT
Retweeted by Rick Viscomi @brucel https://t.co/kJuUAvar5fUne mine d'or (en anglais) : le Web Almanac de @HTTPArchive ! #Content #UX #Dev... 20 chapitres pour un état des li… https://t.co/iLmVysV25l
Retweeted by Rick Viscomi @Fasterize @HTTPArchive Thanks for sharing! By the way, translations (including French) are in progress!… https://t.co/JLZzWAXhnDHow speed and performance affect user experience? @rick_viscomi Senior DevRel Engineer at Google takes us through t… https://t.co/1IdvoGNtT4
Retweeted by Rick ViscomiThe SEO chapter of the Web Almanac: "Certainly one of the biggest pieces of research I've seen in the industry!"… https://t.co/JHOe29JuAL @Taytus @stubbornella I think web devs was implied @HTTPArchive recently launched the first edition of the Web Almanac 📖 By combining extensive data on millions of U… https://t.co/vb0iahfmcv
Retweeted by Rick Viscomi @stubbornella I think we can agree that we need better data on the developers themselves. Datasets like HA cover we… https://t.co/HLkE9l45b7 @stubbornella The stats that 40% of websites are built with a CMS and 80% of devs use those three frameworks seem i… https://t.co/nonZ04jCM2#HTML thread. I love @HTTPArchive’s 2019 Almanac—this is excellent data for all of us. I’m still reviewing but in… https://t.co/9yZxAmcuF7
Retweeted by Rick ViscomiThe State of JavaScript on the Web by the HTTP Archive: https://t.co/gw10okhcwr
Retweeted by Rick ViscomiIl First Contentful Paint (FCP) è il tempo che gli utenti trascorrono in attesa che la pagina mostri qualcosa sull… https://t.co/3x5F2eVrfC
Retweeted by Rick Viscomi @stubbornella I don't know, there are a lot of WordPress sites out there. Anecdotally, many of those are developed… https://t.co/t7v1Sy3kyh
11/26
2019
@fontdata @ThePracticalDev Thanks for pointing that out! I'll review your reply and make sure our data is correct.… https://t.co/T0iXxZAdWHI'm doing an AMA on @ThePracticalDev. Ask me anything about the Web Almanac and the state of the web! https://t.co/zXWilFCCMA @smashingmag @HenriHelvetica Well deserved! @HenriHelvetica is a powerhouse of performance pontification.Interesting from @HTTPArchive report only 12.46%(desktop)-14.67%(mobile) of sites are eligible for rich results in… https://t.co/KtRpcdg7P2
Retweeted by Rick Viscomi
11/25
2019
The Web Almanac is HTTP Archive's annual state of the web report... https://t.co/nkigr5Z2Bf
Retweeted by Rick Viscomi @HenriHelvetica Does French toast in Vancouver count? https://t.co/DV2QtMbJnr
11/24
2019
@g_rossolini Right, this applies to repeat visitors and not first time visitors.Tokyo https://t.co/SUZN7WyAb4Las Vegas https://t.co/Fe78S3b8cQSan Francisco https://t.co/q6zqEjAX6SI could start a food blog about all the pancakes I eat around the world. Amsterdam edition https://t.co/df9C9RJ3HM @g_rossolini Prefetched pages load more quickly. That positively reinforces visiting prefetched pages, consciously or not. #perfmattersCongratulations GDE @mikegeyser for your significant contributions to the "Web Almanac", recently featured at the… https://t.co/IvfACuF6Wy
Retweeted by Rick ViscomiFelt the love with all of the HTTP Archive web stats and trends at #perfnow. We support advancing the web communit… https://t.co/H9V4DVDo6z
Retweeted by Rick Viscomi
11/23
2019
@derSchepp @workingdraft @perfnowconf This was a great chat, thanks for having me on! @perfnowconf Behind one of the pillars in the theater @perfnowconf It's like an accretion disc from another dimension @perfnowconf #perfnow I didn't want to distract from the amazing sessions but now that it's over I can tell you tha… https://t.co/8jIhYiwX0C#perfnow https://t.co/fU09DCKytH @rachellcostello @HTTPArchive The Web Almanac is nothing without its community contributors. *Thank you* for all of… https://t.co/RIfr0KSkssProgressive Web Apps (PWAs) are a new class of web applications, building on top of platform primitives like the Se… https://t.co/vsyDR2ZGpg
Retweeted by Rick Viscomi @AntBogarin It won't be globally available all at once, so shipping more bytes disadvantages some users. It also do… https://t.co/8xHvXBU2Jo5G is not going to save web performance. It may even make things worse. #perfnow https://t.co/6PefXyuloIA/B testing is super hard to do statistically correct IMO. How you group users into A or B is the hardest part. All… https://t.co/b65Iq6fGP7"Performance is a distribution, and it's usually not normally distributed" https://t.co/d76jXxVfwJMoar @HTTPArchive data! https://t.co/sr1hUGMrYG#perfnow Q: how would you evaluate Cumulative Layout Shift as a metric? How might we improve layout stability metrics?Highjackig the #perfnow tag to remind fellow webperf enthusiasts that perfplanet calendar is still looking for cont… https://t.co/JO7iU7r9Oi
Retweeted by Rick Viscomi#perfnow @anniesullie giving a fascinating talk on good metrics and how to use them Shout out to @ChromeUXReport https://t.co/dwhuRlMhoBSlides for my @perfnowconf talk: https://t.co/EwTAPnycvE #perfnow
Retweeted by Rick ViscomiHej #perfnow! Thanks so much for having me 😊 The slides and resources from my presentation are available here: https://t.co/49ZyyU1rEo
Retweeted by Rick Viscomi#perfnow Q: CSP is a cat and mouse game, especially with uncontrollable third parties. Is it advisable to enforce b… https://t.co/EODbcUOlEi#perfnow Q: which HA query cost £50?Uh this is amazingly awful. Nefarious cryptominers avoid detection from @HTTPArchive by self-deactivating on HA-lik… https://t.co/288sX2rOkDStats on SRI https://t.co/MDUOnDPd5k https://t.co/Nfn6kbPojG#perfnow per @simonhearne and @HTTPArchive the median website is comprised of 37% third party requests Based on Al… https://t.co/BZdgazFM5cThe hidden side to node module dependencies. Nobody writes 1 MB of JS themselves, they include them from third part… https://t.co/6vd0nCp9c8Pretty good idea to check Amazon best sellers to get a pulse on popular consumer phones for performance testing https://t.co/NPTzkMptdDThe median mobile site is bigger than the code that landed Apollo 11 on the moon! 😱 @tkadlec at #perfnow h/t to… https://t.co/gHa97cIBMKBeing involved in the @HTTPArchive #WebAlmanac project and collaborating with the other analysts and authors was am… https://t.co/WE8cvQv8dp
Retweeted by Rick Viscomi"guess.js is pretty naive" shots firedInteresting question during Q&A about biasing users. Predictive fetching is paving cowpaths and making the common case better.#perfnow Q: what are the privacy implications of exposing usage pattern info on the client?And a State of the Web video https://t.co/8Q2Xst7lO7#perfnow What and how you pre-* can have a big positive (or negative!) effect on performance and UX https://t.co/hWkAj8MrM7Also, we've got an Almanac chapter for that. The state of Resource Hints by @katiehempenius https://t.co/tl6JfWU7Sj#perfnow @shortdiv masterfully and seamlessly transitions from fast food condiments to predictive fetching. And no… https://t.co/sAOOafoSTiSage advice: "when you see weird shit in your waterfalls, ask why" https://t.co/qgcI8dzyXyThese slides brought to you by @patmeenan's WebPageTest School of Design: "all skills, no frills" We love you Pat 😁 https://t.co/IeH18S4y2HCheck out @tunetheweb's HTTP/2 chapter in the Web Almanac for a comprehensive look at the state of the web https://t.co/NXr8rgSwpxPatrick Meenan and the Waterfalls of Doom #perfmatters https://t.co/K6ZDMbwepwHow to test for H2 prioritization issues with @usingwpt https://t.co/k9Typ0vmHHSuper happy to have gotten @rick_viscomi, CrUX master and initiator of the Web Almanac, in front of my mics for… https://t.co/PbGux23TPb
Retweeted by Rick ViscomiNext at #perfnow, @patmeenan professes his contempt for web fonts, and something something HTTP/2 😁 https://t.co/fMUKRDl7hA @perfnowconf Yes, much better now thanks :)#perfnow Q: when running competitive analyses, are you looking at synthetic/lab data? How do you know of your tests… https://t.co/MkXsCs8MGSSometimes the biggest gains can be in the long tail. Important to keep an eye on the 90th percentile. https://t.co/KY6uWgfrfY#perfnow Q: how much should we read into the correlation of pushing a fix/improvement on perf vs A/B testing prior… https://t.co/DyonvIRNu5 @csswizardry weaving a great story about the social explanations of performance issues Unless we dig deep into our… https://t.co/EzgJzI9RAl"collect data and when you think you have enough, get more" #perfnow https://t.co/qO7zO2TZ0T.@csswizardry is asking the right questions at #perfnow https://t.co/n0rJ1rnHtI
11/22
2019

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