OpenData by CERN
Explore more than five petabytes of open data from particle physics!
opendata.cern.ch Source★ 65Data & Analytics / Data APIs & Datasets
- Monthly visits
- 12.1K
- Up29.7%MoMSep 2026
- Public revenue
- Undisclosed
- No public revenue evidence yet
- Entry price
- Free
- No monthly subscription pricing
- Launched
- 12y ago
- 2014-08-06 · Est.
Traffic
Marketing moves
Launches, search & content, referrals, promotionsLaunched on Product HuntLaunch
Emulator of the first browser in human history
Feb 20, 2019 · 7y agoLaunch page
Launched on Product HuntLaunch
The Large Hadron Collider pop-up book
Mar 14, 2015 · 11y agoLaunch page
Launched on Show HN (5 pts · 1 comments)Launch
Particle Clicker – new release
Dec 12, 2014 · 11y agoLaunch page
Launched on Product HuntLaunch
REAL data from the LHC + open source analysis tools
Nov 21, 2014 · 11y agoLaunch page
Open Source & Self-Hosting
- GitHub Stars
- ★ 65
- Forks
- 17
- License
- See repository
- Primary language
- —
Traffic sources
Traffic breakdown
Channels
- Direct66%
- Organic Search19%
- Referrals5%
- Social4%
- Other5%
Countries
- United States31%
- Bulgaria19%
- Israel14%
- France7%
- China5%
Search
Domain authority —Domain registered Unknown
| Keyword | Monthly volume |
|---|---|
| cern portal | 1,770 |
| di muon spectrum cms | 340 |
| cern oppendata | 100 |
| how large is cern open data | 70 |
| cern's open data portal — real lhc collision event data | — |
Traffic data: Vaneform
Pricing
Pricing page not identified yet, or no public pricing listed.
Pages & changes
Key pages
Weekly snapshotsDesign
Enterprise Clean (Light canvas, balanced density) featuring centered headline + input layout and illustration / character art visuals.
First-screen preview · click to zoom
First-screen pitch & conversion flow
“Explore more than five petabytes of open data from particle physics!”
Centered Headline + Input hero structure paired with direct input / instant try CTA and no explicit trust bar.
Conversion path: Centered Headline + Input + Illustration / Character Art → Direct Input / Instant Try
- Category Positioning Anchor
- Centered Prompt / Input
- Custom Illustration
Palette · click to copy
- Typography
- 7.0
- Color & Contrast
- 7.0
- Layout & Spacing
- 7.0
- Craft & Polish
- 6.0
- Distinctiveness
- 6.0
Structure
- Fonts
- Lato / Open Sans
- Hero layout
- Centered Headline + Input
- Primary visual
- Illustration / Character Art
- Conversion CTA
- Direct Input / Instant Try
- Social proof
- No Explicit Trust Bar
- Navigation
- Full-Width Top Bar
- Theme & density
- Light · Balanced
- Corners & depth
- Sharp · Hairline borders
Preview full AI design brief (includes :root CSS variables & layout rules)Style tokens only; never copy brand names, logos, copy, or images
# Design Brief: Enterprise Clean
Trustworthy blue-anchored palette, structured grids, and prominent customer logo walls.
## Design Tokens
```css
:root {
--background: #ffffff;
--surface: #f2f3f4;
--foreground: #08244e;
--muted-foreground: #2e6dc6;
--accent: #406184;
--radius: 0px;
--font-heading: "Lato", ui-sans-serif, system-ui, sans-serif;
--font-body: "Open Sans", ui-sans-serif, system-ui, sans-serif;
}
```
Color area ratio: Background #FFFFFF (~76%) · Surface #F2F3F4 (~11%) · Text #08244E (~6%) · Muted Text #2E6DC6 (~4%) · Accent #406184 (~3%). Background and surface dominate the canvas; reserve the accent color for primary buttons and active states.
## Layout & Conversion Structure
- Hero layout: Centered Headline + Input
- Navigation: Full-Width Top Bar
- Theme & density: Light · Balanced
- Border radius & elevation: Sharp; no drop shadows—separate layers with hairline borders and whitespace
- Primary visual medium: Illustration / Character Art
- Conversion CTA: Direct Input / Instant Try
- Headline hook: Category Positioning Anchor
- Hero components: Centered Prompt / Input, Custom Illustration
- Spatial layout notes: Centered Headline + Input hero structure paired with direct input / instant try CTA and no explicit trust bar.
- Visual summary: Enterprise Clean (Light canvas, balanced density) featuring centered headline + input layout and illustration / character art visuals.
## Avoid
- Experimental navigation patterns
- Low-legibility decorative fonts
- Visual novelty that obscures the value proposition
Implement the UI following the design tokens and layout specifications above: use only these color variables, and reserve the accent color strictly for primary actions and active states. Adopt only this visual style—never copy any reference product’s brand name, logo, copy, or imagery.
Questions & evidence
- How much website traffic does OpenData by CERN get?
- Vaneform estimates 12.1K website visits in 2026-09. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
- What is OpenData by CERN and what platforms does it support?
- OpenData by CERN is catalogued under Data APIs & Datasets: Explore more than five petabytes of open data from particle physics!. Supported platforms: Web.
- Is OpenData by CERN open source?
- OpenData by CERN has a public repository (https://github.com/cernopendata/opendata.cern.ch) with its source repository published, recording 65 GitHub stars.Source
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