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.

140 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

P25 · 140 sites · ← all sites

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

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked
1better-auth.com279,868 avg · P25▼ 2,218279,868207,909top 200ktop 1M128,995502,699Sep 14
Tranco 207,909Radar top 200kCrUX top 1MMajestic 128,995Umbrella 502,699checked Sep 14
2willowvoice.com296,997 avg · P25▲ 41,720296,99791,817top 50k—294,581504,592Sep 14
Tranco 91,817Radar top 50kCrUX —Majestic 294,581Umbrella 504,592checked Sep 14
3humanbehavior.co297,112 avg · P25▲ 77,230297,112297,112top 100k———Sep 14
Tranco 297,112Radar top 100kCrUX —Majestic —Umbrella —checked Sep 14
4pgdog.dev376,811 avg · P25▲ 6,440376,811———376,811—Sep 14
Tranco —Radar —CrUX —Majestic 376,811Umbrella —checked Sep 14
5sim.ai413,713 avg · P25▲ 18,142413,713—top 1M—413,713—Sep 14
Tranco —Radar top 1MCrUX —Majestic 413,713Umbrella —checked Sep 14
6cua.ai474,466 avg · P25▲ 19,225474,466511,373top 500k—437,558—Sep 14
Tranco 511,373Radar top 500kCrUX —Majestic 437,558Umbrella —checked Sep 14
7usefeyn.com557,167 avg · P25▲ 82,156557,167———557,167—Sep 14
Tranco —Radar —CrUX —Majestic 557,167Umbrella —checked Sep 14
8tinfoil.sh562,077 avg · P25▲ 16,912562,077291,633top 100k—680,084714,513Sep 14
Tranco 291,633Radar top 100kCrUX —Majestic 680,084Umbrella 714,513checked Sep 14
9probo.com600,133 avg · P25▼ 11,250600,133———600,133—Sep 14
Tranco —Radar —CrUX —Majestic 600,133Umbrella —checked Sep 14
10voiceos.com673,021 avg · P25▲ 67,085673,021673,021top 500k———Sep 14
Tranco 673,021Radar top 500kCrUX —Majestic —Umbrella —checked Sep 14
11cubic.dev678,285 avg · P25▲ 52,871678,285707,425top 500k—649,145—Sep 14
Tranco 707,425Radar top 500kCrUX —Majestic 649,145Umbrella —checked Sep 14
12klavis.ai758,971 avg · P25▲ 17,402758,971—top 500k—758,971—Sep 14
Tranco —Radar top 500kCrUX —Majestic 758,971Umbrella —checked Sep 14
13blaxel.ai778,076 avg · P25▼ 35,522778,076903,654top 1M—652,498—Sep 14
Tranco 903,654Radar top 1MCrUX —Majestic 652,498Umbrella —checked Sep 14
14morphik.ai843,514 avg · P25▲ 79,549843,514———843,514—Sep 14
Tranco —Radar —CrUX —Majestic 843,514Umbrella —checked Sep 14
15bitboard.work969,900 avg · P25▲ 22,729969,900———969,900—Sep 12
Tranco —Radar —CrUX —Majestic 969,900Umbrella —checked Sep 12
16acolite.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
17adentris.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
18aegishealth.us— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
19airweave.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
20alkali.engineering— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
21almond.bot— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
22alpharesearch.nyc— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
23aravolta.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
24atlog.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
25attunehq.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
26atum.works— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
27avallon.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
28aviro.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
29besimple.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
30bitpatrol.io— avg · P25, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
31bloom.diy— avg · P25——top 1M———Aug 23
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Aug 23
32blueshoe.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
33bondapp.io— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
34boostrobotics.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
35bramantebio.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
36capacitive.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
37cartpole.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
38cascadespace.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
39casco.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
40chestnutmortgage.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
41chrt.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
42claimhealth.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
43clarm.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
44clidey.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
45codefour.us— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
46combinely.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
47cotool.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
48crimson.law— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
49docketqa.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
50eloquentai.co— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
51flotthq.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
52foundation-industries.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
53freesolo.co— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
54frekil.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
55galenai.comgone— avg · P25, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

56getanana.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
57getauctor.com— avg · P25——top 1M———Sep 14
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14
58getbluejay.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
59getcohesiveai.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
60getden.io— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
61getkashikoi.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
62getnao.io— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
63godela.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
64golf.dev— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
65habitrobotics.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
66hanji.dev— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
67helix-db.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
68hemut.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
69irbc.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
70jeevyfabrication.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
71joinminerva.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
72kaelio.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
73kaizenautomation.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
74kestral.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
75kirana-ai.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
76labric.co— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
77leeroo.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
78libretto.sh— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
79lucis.life— avg · P25——top 1M———Sep 14
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 14
80lumari.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
81mbodi.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
82mesmer.co— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
83mindfort.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
84mlop.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
85mobyanalytics.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
86morpho.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
87neoncoral.inc— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
88nimbic-ai.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
89nodienergy.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
90nomi.so— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
91novoflow.io— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
92oncactus.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
93opusense.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
94orchid.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
95paperinstruments.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
96paraquery.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
97parsewise.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
98partcl.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
99pelica.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
100photoniumoptics.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
101plexe.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
102prisminference.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
103projectchiron.org— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
104propolis.techgone— avg · P25, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

105qfex.com— avg · P25——top 500k———Sep 14
Tranco —Radar top 500kCrUX —Majestic —Umbrella —checked Sep 14
106qualgent.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
107ralo.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
108refresh.dev— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
109rimba.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
110robot-learning.co— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
111rungroundcontrol.comredirected— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

112runrl.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
113scalarfield.io— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
114sixtyfour.ai— avg · P25——top 1M———Aug 30
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Aug 30
115starsling.dev— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
116sureformhq.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
117sygaldry.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
118synthiolabs.com— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
119tegore.ai— avg · P25———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
120text.ai— avg · P25———————
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.