CrackLab

cracklab.in

CrackLab is an AI-powered engineering learning and interview preparation platform. Generate personalized roadmaps, in-depth lessons, visual explanations, quizzes, AI mentor guidance, mock interviews, and certificates for any engineering topic. Master DSA, System Design, AI Engineering, Generative AI, AWS, Java, Spring Boot, Microservices, DevOps, Docker, HLD/LLD, and company-specific interviews—all in one intelligent learning platform.

AI mentor guidance, mock interviews, and certificates for any engineering topic

Visit cracklab.in

Key facts

Founded: May 2026
Based in: 🇮🇳 India
Payments: Lemon Squeezy
Revenue, 12 months: $12
Revenue, all time: $12
Domain registered: May 2026
Registrar: HOSTINGER operations, UAB
Listed on StartupsIntel: October 2026

Built with

Next.js (frontend)Tailwind CSS (frontend)FastAPI (backend)PostgreSQL (backend)Redis (backend)Supabase (backend)Lemon Squeezy (backend)

Daily revenue, last 30 days

Verified with Lemon Squeezy

Popularity by source

October 2026

Not 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

Whois information

Domain	cracklab.in
Registrar	HOSTINGER operations, UAB
Registrar ID	1636
Created date	2026-05-28 09:50:44 UTC
Expires date	2027-05-28 09:50:44 UTC
Updated date	2026-06-02 09:54:59 UTC
Domain status	client transfer prohibited
Name servers	helios.dns-parking.comaster.dns-parking.com
DNSSEC	unsigned
Registrant country	🇮🇳 India

Raw whois

Domain Name: CRACKLAB.IN
Registrar: HOSTINGER operations, UAB
Registrar IANA ID: 1636
Updated Date: 2026-06-02T09:54:59.900Z
Creation Date: 2026-05-28T09:50:44.627Z
Registry Expiry Date: 2027-05-28T09:50:44.627Z
Domain Status: client transfer prohibited
Registrant Country: IN
Name Server: HELIOS.DNS-PARKING.COM
Name Server: ASTER.DNS-PARKING.COM
DNSSEC: unsigned

SEO audit

15 of 16 checks passed

SEO score

Response 1171 ms · 155 KB

Served over HTTPS
Title tag present
Title length 30 to 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 text
At least 300 words of content
Responds in under 1.5 seconds

Title (54 characters): CrackLab — AI Learning Platform for Software Engineers
Description (207 characters): Free AI-powered learning platform for software engineers. Get personalized roadmaps, streaming lessons, quizzes, interview prep and certificates for System Design, DSA, DevOps, Kubernetes and any tech topic.
Headings: 1 H1, 12 H2, 13 H3
Words on page: 1,226
Links: 18 internal, 0 external
Structured data: SoftwareApplication

On-page keywords

Phrase	Type	Mentions
system design	Two words	6
streaming lessons	Two words	4
interview questions	Two words	4
high-level architecture patterns	Three words	2
code study real	Three words	2
study real production	Three words	2
interview	Word	16
design	Word	13

Tech stack and pricing

Next.js Clerk Vercel