WhatTheCSS
whatthecss.dev
WhatTheCSS is a Chrome extension for designers and front-end developers that lets you hover over any element on a website to instantly see its authored CSS. Key features include: - Hover-to-inspect: View real declarations, pseudo-classes, and variables as you move your cursor. - Peek mode: Toggle with V to see type, colors, and WCAG contrast. - Live editing: Press Space to freeze an element into a four-tab editor (CSS, Contrast, Box, and Tree) where you can test changes live.
Hover any element on any website. See its CSS.
Key facts
- Founder
- Sandipan · 2.2K followers
- Payments
- Dodo Payments
- Plans from
- $19 a month
- Revenue, 12 months
- $9
- Revenue, all time
- $9
- Listed on StartupsIntel
- October 2026
Built with
Daily revenue, last 30 days
Verified with Dodo PaymentsMonthly revenue
Verified with Dodo PaymentsPopularity by source
October 2026Not in any top-million list
That usually means fewer than about 76.5K visits a month. New and niche sites rarely reach public rankings, we check again every month.
| TrancoResearch list, average of several rankings | Not listed |
|---|---|
| Cloudflare RadarTraffic through Cloudflare's network | Not listed |
| Chrome UX ReportVisits by Chrome users, from Google | Not listed |
| Cisco UmbrellaDNS lookups | Not listed |
| MajesticSites linking to it | Not listed |
Ranks for this exact domain, lower is more popular. How we combine them
SEO audit
12 of 16 checks passed78
SEO score
Response 15186 ms · 50 KB
- Served over HTTPS
- Title tag present
- Title length 30 to 60 charactersKeep the title between 30 and 60 characters.
- Meta description present
- Description length 70 to 160 charactersKeep the description between 70 and 160 characters.
- Exactly one H1 heading
- Uses H2 sub-headings
- Canonical URL set
- Mobile viewport tag
- Language declared
- Open Graph tags
- Twitter card tags
- Structured data (JSON-LD)
- Images have alt textAdd alt text to 6 images.
- At least 300 words of content
- Responds in under 1.5 secondsSpeed up the server response (caching, CDN).
- Title (63 characters)
- WhatTheCSS - Chrome Extension for Inspecting CSS on Any Website
- Description (232 characters)
- A Chrome extension for designers and front-end developers. Hover any element on any website to see the actual authored CSS, not the computed mess. Live-edit, copy it clean, audit a whole page. Free for daily use; Pro $19 early bird.
- Headings
- 1 H1, 11 H2, 14 H3
- Words on page
- 1,432
- Links
- 15 internal, 5 external
- Structured data
- SoftwareApplication, FAQPage, Organization
On-page keywords
| Phrase | Type | Mentions |
|---|---|---|
| background bff | Two words | 4 |
| free forever | Two words | 4 |
| authored css | Two words | 3 |
| yourwebsite com pricing | Three words | 3 |
| css contrast box | Three words | 3 |
| contrast box tree | Three words | 3 |
| css | Word | 17 |
| whatthecss | Word | 16 |
Tech stack and pricing
Lowest paid plan
$19 /month
About WhatTheCSS
What is WhatTheCSS?
WhatTheCSS is a Chrome extension for designers and front-end developers that lets you hover over any element on a website to instantly see its authored CSS. Key features include: - Hover-to-inspect: View real declarations, pseudo-classes, and variables as you move your cursor. - Peek mode: Toggle with V to see type, colors, and WCAG contrast. - Live editing: Press Space to freeze an element into a four-tab editor (CSS, Contrast, Box, and Tree) where you can test changes live.
How much does WhatTheCSS cost?
Paid plans start at $19 per month, based on the public pricing page.