Ranked Index/yc
Synced from the official YC API · Sep 14

Y Combinator Startups

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

194 of 5,116 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
P25 · P26

W26 · 194 sites · ← all sites

194 sites, including 3 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked
1arcprize.org83,396 avg · W26▲ 4,66383,396135,492top 500ktop 1M31,299—Sep 14
Tranco 135,492Radar top 500kCrUX top 1MMajestic 31,299Umbrella —checked Sep 14
2shortkit.dev229,756 avg · W26▲ 13,604229,756229,756top 500k———Sep 14
Tranco 229,756Radar top 500kCrUX —Majestic —Umbrella —checked Sep 14
321st.dev251,359 avg · W26▼ 8,484251,35960,617top 50ktop 100k240,342453,119Sep 14
Tranco 60,617Radar top 50kCrUX top 100kMajestic 240,342Umbrella 453,119checked Sep 14
4didit.me264,474 avg · W26▲ 13,432264,474145,664top 100ktop 500k287,739360,020Sep 14
Tranco 145,664Radar top 100kCrUX top 500kMajestic 287,739Umbrella 360,020checked Sep 14
5heypocket.com522,089 avg · W26▲ 23,319522,089209,796top 500ktop 100k826,404530,067Sep 14
Tranco 209,796Radar top 500kCrUX top 100kMajestic 826,404Umbrella 530,067checked Sep 14
6paxhistoria.co526,131 avg · W26▼ 2,488526,13142,162top 50ktop 50k975,076561,155Sep 14
Tranco 42,162Radar top 50kCrUX top 50kMajestic 975,076Umbrella 561,155checked Sep 14
7openspec.dev587,134 avg · W26▲ 47,981587,134296,634top 200k—585,670879,097Sep 14
Tranco 296,634Radar top 200kCrUX —Majestic 585,670Umbrella 879,097checked Sep 14
8luel.ai640,820 avg · W26▼ 152,914640,820640,820—top 500k——Sep 14
Tranco 640,820Radar —CrUX top 500kMajestic —Umbrella —checked Sep 14
9emdash.com827,294 avg · W26▲ 130,161827,294———827,294—Sep 14
Tranco —Radar —CrUX —Majestic 827,294Umbrella —checked Sep 14
10gru.space854,877 avg · W26▲ 13,092854,877———854,877—Sep 14
Tranco —Radar —CrUX —Majestic 854,877Umbrella —checked Sep 14
11oximy.com891,049 avg · W26▲ 46,364891,049891,049top 500k———Sep 14
Tranco 891,049Radar top 500kCrUX —Majestic —Umbrella —checked Sep 14
12patientdesk.ai903,421 avg · W26903,421————903,421Sep 6
Tranco —Radar —CrUX —Majestic —Umbrella 903,421checked Sep 6
13parameter.ai978,967 avg · W26978,967————978,967Aug 11
Tranco —Radar —CrUX —Majestic —Umbrella 978,967checked Aug 11
1410xscience.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
15aemon.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
16agenticfabriq.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

17alt-x.co— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
18anchorhead.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
19approxima.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
20ashr.io— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
21aurorincad.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
22autositu.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
23autumn.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
24avoice.co— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
25axionorbital.space— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
26axisanalysis.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
27baseframe.co— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
28beaconhealth.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
29beesafe.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
30beyondreachlabs.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
31bookoapp.com— avg · W26——top 1M———Sep 14
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14
32bubblelab.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
33burthq.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
34buttoncomputer.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
35byteport.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
36caj.al— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
37captain.dev— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
38cardboard.airedirected— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

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

96meetmirabelle.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
97menza.ai— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
98milliray.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
99mochacare.com— avg · W26———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
100moda.dev— 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

Sep 14 06:03sync with the YC sync, 9 sites changed
Sep 13 06:03sync with the YC sync, 1 site changed
Sep 12 06:02sync with the YC sync, 6 sites changed
Sep 11 06:03sync with the YC sync, 11 sites changed
Sep 10 06:03sync with the YC sync, 15 sites changed
Sep 9 06:03sync with the YC sync, 13 sites changed
Sep 8 06:03sync with the YC sync, 5 sites shown

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