A crowdsourced bank of real interview questions where users practice real interview questions from each company, with a bounty mechanism (as described in existing data). The official site is blocked by Cloudflare.
A small team thOne-line growth story, compiled by us from public sources; speculation is marked separately below.
Checkout: checkout.stripe.com
New-user source: Viral (Built-in sharing). Direct 63.8%, search 27.1%, brand keywords 85.5%; search terms include 1point3acres (一亩三分地), referrals include uscardforum.com (a US credit card forum), social is Reddit, LinkedIn and Discord. The input classifies it as viral: community UGC, spread by word of mouth in Chinese study-abroad / job-hunting communities.
Top channel measured by Similarweb, others estimated by rank
| Attributable new users, last month | Share |
|---|---|
| SEO | 5% |
| 86% | |
| Other | 9% |
Direct + brand search 86%. Direct and brand search count as viral only when the site shows sharing mechanics; the largest share wins, under 5% means Other.
| Country | Share of visits |
|---|---|
| United States | 78.73% |
| Canada | 9.31% |
| India | 3.29% |
| United Kingdom | 2.73% |
| Korea, Republic of | 0.93% |
English (speculation)
Reddit, LinkedIn, Discord; Messaging: Discord
404 keywords · brand ~86% · organic 100% / paid 0%
| Similarweb top 5 keywords |
|---|
| interviewdb |
| interview db |
| interviewdb.io |
| 1point3acres |
| db interview |
Non-brand queries: 1point3acres
4 referring sites
| Site | Share of referrals |
|---|---|
| uscardforum.com | 1.68% |
| Category | Share of referrals |
|---|---|
| Universities and Colleges | 39.77% |
| Finance - Other | 33.57% |
| Computers Electronics and Technology - Other | 1.91% |
About 17,192 last month (Similarweb estimate), #174 of 606; the month before was 9,217. Opening checkout is not paying, so this is not revenue.
New-user source: Viral (Built-in sharing). The site has invite or share mechanics, and direct plus brand search is the largest source Direct 63.8%, search 27.1%, brand keywords 85.5%; search terms include 1point3acres (一亩三分地), referrals include uscardforum.com (a US credit card forum), social is Reddit, LinkedIn and Discord. The input classifies it as viral: community UGC, spread by word of mouth in Chinese study-abroad / job-hunting communities.
Not found
Dossier confidence: low. Parts 1 and 2 come from reading the site and Similarweb data; part 3 from public reporting, founder posts, Wayback snapshots, WHOIS and similar, with speculation marked.
The number: checkout visits is Similarweb's estimate of visits from the site to a checkout payment page; opening checkout is not paying, so this is not revenue. Small sites land on fixed buckets.
Data through last month. Page updated 2026-10-26.
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