404tomb
Digital tombstones for dead startups
FactScore™ 0
Y Combinator
Make something people want.
Updated February 2026
| 404tomb | Y Combinator | |
|---|---|---|
| Rating | N/A | 5.0★ |
| Reviews | 0 | 27 |
| Pros | 0 | 9 |
| FactScore™ | 0 | 72.4 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in 404tomb — Pros
No unique pros listedBoth tools — Pros
—Only in Y Combinator — Pros
Educational content Inspirational success stories Access to advisors Founder community Funding opportunities Global reach Networking opportunities Safe note templates Startup incubatorOnly in 404tomb — Cons
—Both tools — Cons
—Only in Y Combinator — Cons
Limited support for early-stage buildersDetails
| 404tomb | Y Combinator | |
|---|---|---|
| Categories | Startup communities | Startup communities, Fundraising resources |
| Platforms | Web | Web |
| Became Popular | April 20, 2025 | December 6, 2013 |
| Website | 404tomb.com | ycombinator.com |
Who Should Pick Which?
Choose 404tomb if...
- No unique pros listed
Choose Y Combinator if...
- Educational content
- Inspirational success stories
- Access to advisors
With a FactScore™ of 0 vs 72.4, Y Combinator leads in community reception. 404tomb uniquely offers No unique pros listed, while Y Combinator stands out for Educational content and Inspirational success stories.
What Users Say
404tomb
No reviews yet
Y Combinator
Y Combinator does not need much of an introduction, but it has been a game changer for us. Between the one on one advice from group partners, the incredible community of founders, events, and much ...
YC changed our lives. Speaking for myself, I had no idea how to do a start-up when we went through YC the first time around with Citus Data. YC has also been instrumental for Ubicloud, so wanted to...
As part of YC W23, we’ve experienced firsthand how YC accelerates growth. The mentorship, network, and focus on building what users need are unmatched.
Related Comparisons
Frequently Asked Questions
Which is better, 404tomb or Y Combinator?
Based on FactScore™, Y Combinator leads with a score of 72.4 vs 0. Y Combinator has a higher rating of 5.0★ compared to N/A★.
What are the pros of 404tomb compared to Y Combinator?
404tomb uniquely offers: No unique pros listed.
What are the pros of Y Combinator compared to 404tomb?
Y Combinator uniquely offers: Educational content, Inspirational success stories, Access to advisors, Founder community, Funding opportunities.
Is 404tomb better rated than Y Combinator?
404tomb is rated N/A★ from 0 reviews. Y Combinator is rated 5.0★ from 27 reviews.
What is the FactScore™ of 404tomb and Y Combinator?
FactScore™ weighs rating and review volume together. 404tomb scores 0 and Y Combinator scores 72.4.
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