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Max Rozen

@rozenmd.com
1.2K followers 173 following 410 posts

Building Workers & D1 at Cloudflare. Aussie in France. Building OnlineOrNot.com, a self-funded, sustainable company. He/Him.

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Reposted by Max Rozen
Kenton Varda @kentonvarda.com · 14/10/2025
Those benchmarks from @t3.gg revealed some interesting issues in Workers. Happy to say it's all fixed now, save for some lingering next.js-specific stuff we're continuing to work on. Thanks for the reproducible test cases, @t3.gg. Excessive details in blog post: blog.cloudflare.com/unpacking-cl...
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Max Rozen @rozenmd.com · 14/10/2025
i just asked claude to build an equalizer in c++ for my Tangara and it two shot it (hit a bootloop that took some debugging) my queer ipod now has MEGABASS 😌
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Reposted by Max Rozen
Jason Lengstorf @jason.energy · 27/06/2025
3. your career is a pie-eating contest where the prize for winning is more pie the things people see you do are the things they'll ask you to do. if you want to get asked to do certain types of work, make sure people see you doing that type of work
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Max Rozen @rozenmd.com · 11/06/2025
So this screen in @onlineornot.com has always been slower than I wanted - around 2.3s(!) to load 10 rows of data from the GraphQL endpoint. It was the first screen I ever built (4+ yrs ago), and I leaned heavily into GraphQL resolvers because I assumed it'd be fast.
onlineornot's dashboard showing uptime checks
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Max Rozen @rozenmd.com · 04/06/2025
realised i was missing a pretty important empty state in @onlineornot.com today: when you search for something and there are no results
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Reposted by Max Rozen
Michele Hansen @mjwhansen.com · 22/05/2025
fyi founder friends — new scam to watch out for
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Max Rozen @rozenmd.com · 14/05/2025
Goodbye TopBarNav, hello SidebarNav
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Max Rozen @rozenmd.com · 11/05/2025
well shit #2 for maxrozen.com/on-four-year...
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Reposted by Max Rozen
Rand Fishkin @randfish.bsky.social · 06/05/2025
"Bragging about your business using AI is like bragging about using spellcheck." - @amandanat.bsky.social
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Reposted by Max Rozen
Marques Brownlee @mkbhd.com · 05/05/2025
Probably my favorite YouTube video of all time. 90 seconds of inspiration to last a lifetime youtu.be/E1oZhEIrer4?...
youtu.be
Nobody Tells This To Beginners
YouTube video by Saar
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Max Rozen @rozenmd.com · 05/05/2025
every week when you've convinced yourself you just need to build one more feature and it'll fix the plateau just one more feature bro it'll be so good bro
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Max Rozen @rozenmd.com · 01/05/2025
TIL there are SaaS vendors that raise their prices automatically year over year for existing customers surely that increases churn?!
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Reposted by Max Rozen
Rand Fishkin @randfish.bsky.social · 19/04/2025
Quite an excellent piece. Max and I don't agree on everything (some of our lessons learned contradict each other), but I love having my thinking challenged, and I'm probably wrong on some of these!
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Max Rozen @rozenmd.com · 09/04/2025
Always fun to get emails like these from @onlineornot.com customers
An email from an OnlineOrNot customer saying: Yay! I’m excited. I had a call with our datadog rep today; told them their stuff is way too expensive and that I’m moving our uptime checks elsewhere.
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Max Rozen @rozenmd.com · 07/04/2025
learning French be like
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Max Rozen @rozenmd.com · 04/04/2025
I wrote an article about the lessons learned from running OnlineOrNot for the past four years: maxrozen.com/on-four-year...
maxrozen.com
Four years of running a SaaS in a competitive market - Max Rozen
Looking back on the last four years, what worked, what didn't.
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Max Rozen @rozenmd.com · 03/04/2025
I wish all websites were as easy to monitor as StackOverflow
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Max Rozen @rozenmd.com · 01/04/2025
just one more ui fixup bro trust me bro it'll be so good when its done bro
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Max Rozen @rozenmd.com · 31/03/2025
crazy how effective positioning is "uptime monitoring for your software team" - weak, tired - been there, done that "get alerts when your team vibe-codes your product offline" - wired, locked-in - been looking for this for weeks, sign me up fam
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Max Rozen @rozenmd.com · 28/03/2025
the children yearn for client-side rendered web apps
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Max Rozen @rozenmd.com · 27/03/2025
Reading this book on strategies for ADHD brain and realising that I already do like half of them what a strange coincidence
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Max Rozen @rozenmd.com · 22/03/2025
good to be back
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Max Rozen @rozenmd.com · 19/03/2025
fresh off a 28hr flight and have a whole day of work ahead of you? try "two double espressos before 9am"! you will certainly not regret having "two double espressos before 9am"!
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Reposted by Max Rozen
R "Nearest" Nabors @nearestnabors.com · 18/03/2025
"Bury them in examples" is the developer version of "kill them with kindness"
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Max Rozen @rozenmd.com · 11/03/2025
think about your audience of course, but the *vast* majority of readers online aren't impressed by your use of words like utilize, leverage, operationalize, etc. if anything, you're confusing them. just say use.
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Max Rozen @rozenmd.com · 10/03/2025
Twitter's down: twitter.onlineornot.com
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Max Rozen @rozenmd.com · 08/03/2025
haha linkedin is crazy
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Max Rozen @rozenmd.com · 07/03/2025
If you or a loved one was exposed to useEffect through LLM-generated code you may be entitled to financial compensation.
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Reposted by Max Rozen
John Spurlock @johnspurlock.com · 09/11/2024
for new #rss people coming in: you can follow any #bluesky profile in your feed reader, just tack on "/rss" to the end of the profile url e.g. bsky.app/profile/john...
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Max Rozen @rozenmd.com · 06/03/2025
thoughts on the new M4 air as a small business: as an engineer: obviously I'm getting it, hardware is cheap as the one paying the bill: I have to depreciate that mf over 3 years?! 😤
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Reposted by Max Rozen
Tom Sherman @tom.sherman.is · 05/03/2025
Here's 95% of my job as a principal software engineer
Two abstract diagrams consisting of nodes joined together with arrows arranged side by side.

The left diagram has a label above "From this" that connects to the right diagram labelled "To this" with an arrow

The left diagram consists of two columns of 4 circles, each circle on the left column is connected to each circle on the right column. Making a tight mess of 16 arrows

The right diagram consists of the same two columns of 4 circles, but this time there is an additional diamond sitting between both columns. The left column of circles are each connected to the left side of the diamond while the right column is connected to the right side of the diamond.
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Max Rozen @rozenmd.com · 02/03/2025
You would be surprised how many folks try to monitor 192.168.1.1 in @onlineornot.com
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Max Rozen @rozenmd.com · 28/02/2025
my job for the past few days has been "beach"
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Max Rozen @rozenmd.com · 17/02/2025
absolute ripper of a day for it
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Max Rozen @rozenmd.com · 15/02/2025
Australians saw this and decided to use Microsoft Teams
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Reposted by Max Rozen
Sunil Pai @threepointone.bsky.social · 12/02/2025
🎈 partyvite ⚡️ --- a fullstack template for 🎈 partykit ⨉ ⚡️ vite ⨉ ⚛️ react ⨉ 🌊 tailwindcss ⨉ ⛅️ durable objects npm create cloudflare@latest -- --template threepointone/partyvite hmr, vite plugins, websockets, whatever. start here. lots more in the very near future, lfg. github.com/threepointon...
github.com
GitHub - threepointone/partyvite: A starter template for 🎈 partyserver ⨉ ⚡️ vite ⨉ ⚛️ react ⨉ 🌊 tailwindcss ⨉ ⛅️ cloudflare workers
A starter template for 🎈 partyserver ⨉ ⚡️ vite ⨉ ⚛️ react ⨉ 🌊 tailwindcss ⨉ ⛅️ cloudflare workers - threepointone/partyvite
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Max Rozen @rozenmd.com · 11/02/2025
me, naively: i'll just monitor every bsky node, can't be that many bsky:
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Reposted by Max Rozen
Sam @samthor.au · 09/02/2025
Hello I'm hiring software engineer(s) in Sydney. (Hi I'm hiring software engineer(s) in Sydney, I'm dad.) But I actually am though, even though Bluesky has limited reach, feel free to say hi. More deets on LinkedIn if you like.
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Max Rozen @rozenmd.com · 09/02/2025
Moving a server-based AWS Lambda website to Cloudflare Workers (static assets) be like (1.1k ms avg latency to ~20ms avg latency)
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Max Rozen @rozenmd.com · 07/02/2025
i shit you not, linkedin has better reach than regular social media atm
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Max Rozen @rozenmd.com · 31/01/2025
So I monitor every bsky node just out of curiosity, it's got decent uptime! bsky.onlineornot.com
bsky.onlineornot.com
Bluesky Status
Bluesky Incident History
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Max Rozen @rozenmd.com · 30/01/2025
buying books that your friends recommend is cool and all, but I'm in my rereading the same book over and over just before bed era atm its Sapiens
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Max Rozen @rozenmd.com · 28/01/2025
the "hey can you unblock this vendor so i can pay them" to "no? brb getting a new bank in 5 minutes" pipeline is real
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Max Rozen @rozenmd.com · 25/01/2025
cat
cat
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Max Rozen @rozenmd.com · 24/01/2025
same applies to writing!
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Reposted by Max Rozen
Forrest Brazeal @forrestbrazeal.bsky.social · 24/01/2025
tired: script kiddies wired: chat kiddies copy and pasting code you don't understand is not new, and not a recipe for longterm success
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Max Rozen @rozenmd.com · 24/01/2025
Got a tangara on the way, the hype is real (cooltech.zone/tangara/)
cooltech.zone
Tangara | cool tech zone
Tangara is a portable music player; open hardware running open-source software. It outputs high-quality sound through a 3.5-mm headphone jack or Bluetooth, has great battery life, and includes a proce...
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Max Rozen @rozenmd.com · 22/01/2025
regular Wednesday in France
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Max Rozen @rozenmd.com · 21/01/2025
picked up a refurbed iPhone to build an iOS app, haven't used one in years initial thoughts: damn, y'all still live like this?
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Reposted by Max Rozen
Jason Cohen @asmartbear.com · 20/01/2025
There are 200 “to-do” apps because there’s 2,000 ways to do it, and which way is “best” is personal. From features to integrations to workflow to opinionation to brand voice. What other areas are like that? P.S. Those are often good places to start new companies.
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