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OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
518•klaussilveira•9h ago•145 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
852•xnx•14h ago•512 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
65•matheusalmeida•1d ago•13 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
169•isitcontent•9h ago•20 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
172•dmpetrov•9h ago•77 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
286•vecti•11h ago•129 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
65•quibono•4d ago•11 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
340•aktau•15h ago•166 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
335•ostacke•15h ago•90 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
425•todsacerdoti•17h ago•223 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
232•eljojo•12h ago•142 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
366•lstoll•15h ago•253 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
37•kmm•4d ago•3 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
14•denuoweb•1d ago•1 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
4•videotopia•3d ago•0 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
11•romes•4d ago•1 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
85•SerCe•5h ago•68 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
216•i5heu•12h ago•160 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
17•gmays•4h ago•2 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
36•gfortaine•6h ago•10 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
59•phreda4•8h ago•11 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
161•limoce•3d ago•80 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
124•vmatsiiako•14h ago•51 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
260•surprisetalk•3d ago•35 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1024•cdrnsf•18h ago•425 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
53•rescrv•16h ago•17 comments

WebView performance significantly slower than PWA

https://issues.chromium.org/issues/40817676
16•denysonique•5h ago•2 comments

I'm going to cure my girlfriend's brain tumor

https://andrewjrod.substack.com/p/im-going-to-cure-my-girlfriends-brain
102•ray__•5h ago•49 comments

Evaluating and mitigating the growing risk of LLM-discovered 0-days

https://red.anthropic.com/2026/zero-days/
44•lebovic•1d ago•13 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
82•antves•1d ago•59 comments
Open in hackernews

Show HN: Fontofweb – Discover Fonts Used on a Website or Websites Using Font(s)

https://fontofweb.com
70•sim04ful•8mo ago
Hey HN, I've been working on fontofweb.com on and off for the past 4 years, and I'm keen to share it with you. It lets you type in the URL of any website and see exactly how the fonts are used: all the weights, line heights, and sizes.

A big plus is that it doesn't require a Chrome extension, unlike a lot of other tools in this space.

You can also search for a specific font and find websites using it. For example, check out sites using Inter: https://fontofweb.com/w/inter. This reverse font search even supports looking for multiple fonts at once, like here’s an example with Inter and Space Mono: https://fontofweb.com/w/inter/space-mono.

My goal with Font of Web is to build up a comprehensive database of font usage across the web. By collecting and analyzing this data, I believe we can uncover some valuable trends, such as:

* Common font pairings * Popular heading fonts over time * Market share of commercial fonts * Top font foundries based on actual usage

I originally built a version of this four years ago and was surprised by how much organic interest it received.

I’ve now rebuilt the tool from scratch, moving away from browserless.io — which was quite expensive — to an invisible iframe approach with a proxied URL to handle CORS (it’s a straightforward solution, and I’m rather surprised it isn’t discussed more often). This change has completely eliminated all costs related to web scraping.

Here's the Tech Stack:

* Remix + HeroUI + Tailwind * Rust Backend in Axum * Authentication with OTP email and Google social auth (via openidconnect) * Sqlite running on the same VPS as the API service * $5/mo VPS * Cloudflare CDN * Cloudflare R2 for storage * Zeptomail for emails (very cheap and reliable, highly recommend!) * Simple Analytics: https://dashboard.simpleanalytics.com/fontofweb.com * Logging: Journalctl :)

There are currently 275 websites in the database, and I'm working on increasing this. Stats are available at: https://api.fontofweb.com/stats.

While the main site doesn't need an extension, for more robust searching and to help with Cloudflare-protected sites, there’s a chrome extension available.

There's also a public API for domains that have already been checked. For instance: https://api.fontofweb.com/report?domain=apple.com&path=/.

There's also RSS feed I’ve got no idea why you would need this directly, but I'm using it because Pinterest allows you to automatically populate boards with an RSS. https://api.fontofweb.com/rss

Appreciate your thoughts and feedback

Comments

TechDebtDevin•8mo ago
nice this will be super useful.
jasoncartwright•8mo ago
Might want to consider upgrading that VPS for a couple of days
sim04ful•8mo ago
Haha, Just enabled an endpoint wide caching policy. Stale content, but should be a stopgap.
dylan604•8mo ago
must be a backend person! they were so proud to tell us about eliminating the cost of the scraping, but totally forgot about the cost of the user facing part of it. /s

it is hard to imagine how quickly "going viral" can swamp your system until you've been there, done that.

craigkilgo•8mo ago
hug of death?
sim04ful•8mo ago
Oops seems like, enabled caching in the meantime. All the requests were hitting origin...thankfully I had cloudflare already doing the routing.
andelink•8mo ago
The searching for usage of fonts is a useful feature. But for identifying fonts on specific websites, I find the browser dev tools to be more than sufficient. There is a “fonts” tab that lists all the fonts in use and their attributes like weight, any variable axis, etc.
sim04ful•8mo ago
Variable Axis and other attributes are pretty feasible now, I'm already parsing the metadata for font tables values to dedup font files, so extending it should be pretty straight-forward.

I'll investigate.

nicoburns•8mo ago
If you're not already using it, the read-fonts and skrifa crates from https://github.com/googlefonts/fontations can parse variable font data (as well as pretty much anything else you might want out of an opentype font).
sim04ful•8mo ago
Currently using the fonttools crate, but i'll look into this, appreciate.
dfee•8mo ago
Hey! That looks like the stack I’m working with! You just seem further :)

Totally meta, and I appreciate FOW (cool!) but I’m pretty interested in your learnings building and deploying with this stack!

Congrats on launch!

user_7832•8mo ago
Excellent website! I manually still "collect" fonts in a text document using a font finder extension. I couldn't make out but is there a way to:

a. add any website you find that has a good font/paring, optionally with comparisons? (For example polestar's Unica77 is nice, I remember coming across NB International somewhere which is similar in some ways but nicer)

b. maintain one's "own" list of websites with good font/pairings?

sim04ful•8mo ago
Yup, you can currently bookmark a website by clicking the button at the right side of the search bar, and also add it to a collection you create.

Here's my bookmarks as an example: https://fontofweb.com/2 And one of my collections: https://fontofweb.com/2/serif-heavy-sites

user_7832•8mo ago
Thank you!
sim04ful•8mo ago
I'll note down the font comparison feature, there might be something to it indeed.
khalilosman123•8mo ago
nice
vinnymac•8mo ago
Small piece of advice you should be debouncing your primary input at the very least, especially because you insert an entry into the browser history for every character typed (consider only doing that on submit). Plus if any calls are made to the network in response to a key press you’d add unnecessary pressure.

Presently trying to navigate back to the comments from your site after typing out a domain required far more effort than navigating backward a couple times.

sim04ful•8mo ago
I'll fix that thanks
sim04ful•8mo ago
Fixed: instead of debouncing, i'm using location.hash, no network requests since hash arguments are ignored in urls.

I can't believe I was making a network request per keystroke, textbook example.

kinduff•8mo ago
Heads up that hashes cannot be read from the server.
sim04ful•8mo ago
Hey guys, seems the influx of traffic has resulted in some unforeseen circumstances; i'm still trying to figure out what's going wrong.

Edit - Fixed, Cloudflare wanted some money :)

pepa65•8mo ago
Doesn't work, fails to generate a report repeatedly.
sim04ful•8mo ago
Wow, what websites are you trying