Ranked Index/yc
Synced from the official YC API · Oct 29

Y Combinator Startups

Startups funded by Y Combinator that have been publicly announced and still have functional websites.

192 of 5,218 sites · synced from the official YC API · rank is the average of Tranco, Majestic and Umbrella; Radar and CrUX shown for context · all 5 are flawed, that's the point. · tap a row for the breakdown

Notes:all
’05–’09S05 · W06 · S06 · W07 · S07 · W08 · S08 · W09 · S09
’10–’14W10 · S10 · W11 · S11 · W12 · S12 · W13 · S13 · W14 · S14
’15–’19W15 · S15 · W16 · S16 · W17 · S17 · W18 · S18 · W19 · S19
’20–’24W20 · S20 · W21 · S21 · W22 · S22 · W23 · S23 · W24 · S24 · F24
’25–’27W25 · S25 · F25 · W26 · S26 · F26 · W27 · S27
P25 · P26

W26 · 192 sites · ← all sites

192 sites, including 4 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked
1arcprize.org64,531 avg · W26▲ 5,98764,531104,072top 1Mtop 500k24,990—Oct 29
Tranco 104,072Radar top 1MCrUX top 500kMajestic 24,990Umbrella —checked Oct 29
2shortkit.dev192,011 avg · W26▲ 18,675192,011192,011top 500k———Oct 29
Tranco 192,011Radar top 500kCrUX —Majestic —Umbrella —checked Oct 29
321st.dev206,569 avg · W26▲ 21,171206,56959,523top 50ktop 100k175,377384,808Oct 29
Tranco 59,523Radar top 50kCrUX top 100kMajestic 175,377Umbrella 384,808checked Oct 29
4openspec.dev271,575 avg · W26▲ 90,838271,575213,920top 100ktop 1M248,115352,689Oct 29
Tranco 213,920Radar top 100kCrUX top 1MMajestic 248,115Umbrella 352,689checked Oct 29
5heypocket.com307,947 avg · W26▲ 23,313307,947123,473top 500ktop 100k506,423293,945Oct 29
Tranco 123,473Radar top 500kCrUX top 100kMajestic 506,423Umbrella 293,945checked Oct 29
6didit.me339,318 avg · W26▼ 78,726339,318139,184top 100ktop 1M219,435659,336Oct 29
Tranco 139,184Radar top 100kCrUX top 1MMajestic 219,435Umbrella 659,336checked Oct 29
7oximy.com416,381 avg · W26▲ 188,755416,381416,381top 200k———Oct 29
Tranco 416,381Radar top 200kCrUX —Majestic —Umbrella —checked Oct 29
8emdash.com457,300 avg · W26▲ 78,372457,300———457,300—Oct 29
Tranco —Radar —CrUX —Majestic 457,300Umbrella —checked Oct 29
9gru.space511,041 avg · W26▼ 114,060511,041———511,041—Oct 29
Tranco —Radar —CrUX —Majestic 511,041Umbrella —checked Oct 29
10paxhistoria.co518,895 avg · W26▼ 25,179518,89545,274top 100ktop 50k911,775599,636Oct 29
Tranco 45,274Radar top 100kCrUX top 50kMajestic 911,775Umbrella 599,636checked Oct 29
11luel.ai804,008 avg · W26▲ 3,147804,008804,008—top 500k——Oct 29
Tranco 804,008Radar —CrUX top 500kMajestic —Umbrella —checked Oct 29
12cardboard.airedirected805,718 avg · W26▼ 101,893805,718—top 1M—805,718—Oct 29
Tranco —Radar top 1MCrUX —Majestic 805,718Umbrella —checked Oct 29

this domain now redirects elsewhere; the rank measures whoever it points at — the homepage redirects to usecardboard.com, a different site

13runanywhere.ai905,277 avg · W26905,277———905,277—Oct 22
Tranco —Radar —CrUX —Majestic 905,277Umbrella —checked Oct 22
14voygr.tech922,605 avg · W26922,605————922,605Oct 29
Tranco —Radar —CrUX —Majestic —Umbrella 922,605checked Oct 29
15jinba.io936,186 avg · W26▼ 47,409936,186———936,186—Oct 29
Tranco —Radar —CrUX —Majestic 936,186Umbrella —checked Oct 29
16patientdesk.ai936,361 avg · W26936,361————936,361Oct 19
Tranco —Radar —CrUX —Majestic —Umbrella 936,361checked Oct 19
17visiblsemi.com967,921 avg · W26967,921———967,921—Sep 19
Tranco —Radar —CrUX —Majestic 967,921Umbrella —checked Sep 19
18parameter.ai978,967 avg · W26978,967————978,967Aug 11
Tranco —Radar —CrUX —Majestic —Umbrella 978,967checked Aug 11
19ventura.ai987,414 avg · W26987,414———987,414—Oct 1
Tranco —Radar —CrUX —Majestic 987,414Umbrella —checked Oct 1
2010xscience.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
21aemon.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
22agenticfabriq.comparked— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

this domain is parked; the rank measures the placeholder, not the company — the domain is on namebrightdns.com's nameservers, a domain sale platform

23alt-x.co— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
24anchorhead.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
25appsidekit.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
26ashr.io— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
27aurorincad.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
28autositu.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
29autumn.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
30avoice.co— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
31axionorbital.space— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
32axisanalysis.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
33baseframe.cogone— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

this domain is gone; the rank is what it left behind — no A or AAAA record

34beaconhealth.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
35beesafe.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
36beyondreachlabs.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
37booko.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
38brumby.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
39bubblelab.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
40burthq.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
41buttoncomputer.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
42byteport.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
43caj.al— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
44captain.dev— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
45caretta.so— avg · W26——top 500k———Aug 23
Tranco —Radar top 500kCrUX —Majestic —Umbrella —checked Aug 23
46catchbackcards.com— avg · W26——top 1M———Oct 18
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Oct 18
47celltype.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
48chasi.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
49claimglide.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
50codewisp.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
51cofia.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
52compresr.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
53condor.energy— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
54confluence.sh— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
55congruent.io— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
56constellation.space— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
57copperlane.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
58corelayer.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
59corvera.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
60crosslayerlabs.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
61cumuluslabs.io— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
62daivin.tech— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
63dev.fast— avg · W26——top 1M———Oct 29
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Oct 29
64dittobio.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
65docurahealth.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
66doomersion.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
67eigenpal.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
68endclose.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
69envariant.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
70fed10.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
71fenrock.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
72fern.bot— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
73fixture.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
74foreman.co— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
75fort.cx— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
76forum.market— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
77fullseam.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
78general.legal— avg · W26——top 1M———Oct 29
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Oct 29
79generalastro.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
80getbalance.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
81haladir.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
82helloeos.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
83hlaboratories.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
84humanarchive.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
85incidentfox.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
86instinct.xyz— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
87inventoryquant.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
88janeen.care— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
89khotan.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
90kita.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
91lance.live— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
92laurence.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
93legalos.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
94lexius.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
95lucenthq.com— avg · W26——top 1M———Jul 19
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 19
96mangomedical.io— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
97mantisbiotech.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
98martini.film— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
99maywoodai.comgone— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

this domain is gone; the rank is what it left behind — the homepage returns 404

100meetmirabelle.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

show 20 more

a — means that source hasn't ranked the site; the average uses whichever exact ranks exist

matches the domain; subdomains get the same numbers, so skip the www

History · every change, public

Oct 29 06:03sync with the YC sync, 12 sites changed
Oct 28 06:03sync with the YC sync, 10 sites changed
Oct 27 06:03sync with the YC sync, 13 sites changed
Oct 26 06:02sync with the YC sync, 3 sites changed
Oct 25 06:03sync with the YC sync, 5 sites changed
Oct 24 06:03sync with the YC sync, 6 sites changed
Oct 23 06:03sync with the YC sync, 11 sites shown

This list is kept in step with the official YC API, so it isn't editable here. This is just for fun.