Crackr
crackr.dev
Learn ML engineering by building real systems from scratch.
Monthly visits (est.)
96.7K
SEO score
95/100
Key facts
- Founder
- Rida Ennasry · 244 followers
- Founded
- March 2026
- Payments
- Polar
- Popularity rank
- #791,302
- Biggest market
- 🇮🇳 India
- Domain registered
- March 2026
- Registrar
- Namecheap Inc.
- Listed on StartupsIntel
- October 2026
Built with
Polar (backend)
Daily revenue, last 30 days
Verified with PolarMonthly revenue
Verified with PolarPopularity by source
October 2026#791,302
Combined popularity rank
1 of 5 lists
know this site
| 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 | #791,302 |
Ranks for this exact domain, lower is more popular. How we combine them
Top regions
Chrome users| Region | Relative audience | Rank in country |
|---|---|---|
| 🇮🇳 India | Top 1M |
Where the site ranks among Chrome users in each country, from Google's Chrome UX Report. Bars weigh that rank by the size of each country's online population.
Whois information
| Domain | crackr.dev |
|---|---|
| Registrar | Namecheap Inc. |
| Registrar ID | 1068 |
| Created date | 2026-03-06 15:37:44 UTC |
| Expires date | 2027-03-06 15:37:44 UTC |
| Updated date | 2026-03-11 15:37:44 UTC |
| Domain status | client transfer prohibited |
| Name servers | ns1.digitalocean.comns2.digitalocean.comns3.digitalocean.com |
| DNSSEC | unsigned |
Raw whois
Domain Name: CRACKR.DEV Registry Domain ID: E13EF1958-DEV Registrar: Namecheap Inc. Registrar IANA ID: 1068 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +1.6613102107 Updated Date: 2026-03-11T15:37:44.724Z Creation Date: 2026-03-06T15:37:44.724Z Registry Expiry Date: 2027-03-06T15:37:44.724Z Domain Status: client transfer prohibited Name Server: NS1.DIGITALOCEAN.COM Name Server: NS2.DIGITALOCEAN.COM Name Server: NS3.DIGITALOCEAN.COM DNSSEC: unsigned >>> Last update of RDAP database: 2026-10-26T18:28:46.981Z <<<
SEO audit
15 of 16 checks passed95
SEO score
Response 350 ms · 94 KB
- Served over HTTPS
- Title tag present
- Title length 30 to 60 characters
- Meta description present
- Description length 70 to 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 8 images.
- At least 300 words of content
- Responds in under 1.5 seconds
- Title (38 characters)
- Crackr | Build ML Systems from Scratch
- Description (112 characters)
- Learn ML engineering by building tokenizers, transformers, vector databases, RAG systems, and more from scratch.
- Headings
- 1 H1, 7 H2, 13 H3
- Words on page
- 675
- Links
- 13 internal, 9 external
- Structured data
- SoftwareApplication
On-page keywords
| Phrase | Type | Mentions |
|---|---|---|
| coming soonbuild | Two words | 5 |
| bpe tokenizer | Two words | 4 |
| human intelligence | Two words | 2 |
| pay onceafter beta | Three words | 2 |
| human intelligence log | Three words | 1 |
| intelligence log instart | Three words | 1 |
| tokenizer | Word | 11 |
| build | Word | 11 |
Tech stack and pricing
Next.js Clerk Vercel
About Crackr
What is Crackr?
Learn ML engineering by building real systems from scratch.
How popular is Crackr?
Crackr gets an estimated 96.7K visits a month.