Y Combinator Startups

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

83 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

W17 · 83 sites · ← all sites

83 sites, including 17 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

faire.com36,538 avg · W17▼ 9,72936,53811,006top 10ktop 50k11,87286,736Sep 14

Tranco 11,006Radar top 10kCrUX top 50kMajestic 11,872Umbrella 86,736checked Sep 14

rippling.com39,338 avg · W17▼ 1,43239,33814,497top 10ktop 500k13,67789,839Sep 14

Tranco 14,497Radar top 10kCrUX top 500kMajestic 13,677Umbrella 89,839checked Sep 14

bitrise.io69,396 avg · W17▼ 40769,39643,989top 50k—78,44285,757Sep 14

Tranco 43,989Radar top 50kCrUX —Majestic 78,442Umbrella 85,757checked Sep 14

breaker.audioredirected73,358 avg · W17, acquired▲ 11373,358119,329——27,387—Sep 14

Tranco 119,329Radar —CrUX —Majestic 27,387Umbrella —checked Sep 14

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

aclu.org90,547 avg · W17▲ 6,63490,5475,423top 100ktop 500k1,417264,802Sep 14

Tranco 5,423Radar top 100kCrUX top 500kMajestic 1,417Umbrella 264,802checked Sep 14

nanonets.com101,170 avg · W17▲ 889101,170153,057top 500ktop 1M49,283—Sep 14

Tranco 153,057Radar top 500kCrUX top 1MMajestic 49,283Umbrella —checked Sep 14

brex.com101,787 avg · W17, acquired▼ 1,381101,78731,790top 50ktop 500k24,132249,440Sep 14

Tranco 31,790Radar top 50kCrUX top 500kMajestic 24,132Umbrella 249,440checked Sep 14

retool.com120,641 avg · W17▼ 1,516120,64132,903top 50ktop 500k16,265312,754Sep 14

Tranco 32,903Radar top 50kCrUX top 500kMajestic 16,265Umbrella 312,754checked Sep 14

speak.com124,254 avg · W17▼ 377124,254177,559top 1Mtop 500k70,949—Sep 14

Tranco 177,559Radar top 1MCrUX top 500kMajestic 70,949Umbrella —checked Sep 14

upkeep.com158,365 avg · W17, acquired▲ 3,420158,365241,135top 1M—75,595—Sep 14

Tranco 241,135Radar top 1MCrUX —Majestic 75,595Umbrella —checked Sep 14

snappr.com169,412 avg · W17▲ 3,558169,412222,483top 500ktop 1M116,340—Sep 14

Tranco 222,483Radar top 500kCrUX top 1MMajestic 116,340Umbrella —checked Sep 14

veryfi.com222,212 avg · W17▼ 211222,212156,050top 100k—318,118192,469Sep 14

Tranco 156,050Radar top 100kCrUX —Majestic 318,118Umbrella 192,469checked Sep 14

livelyme.com283,701 avg · W17▲ 4,550283,701272,919top 1Mtop 1M294,482—Sep 14

Tranco 272,919Radar top 1MCrUX top 1MMajestic 294,482Umbrella —checked Sep 14

humi.caredirected317,953 avg · W17, acquired▲ 135317,953317,691top 500k—318,214—Sep 14

Tranco 317,691Radar top 500kCrUX —Majestic 318,214Umbrella —checked Sep 14

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

effectivealtruism.org321,971 avg · W17▼ 65,727321,97190,291top 200k—28,954846,668Sep 14

Tranco 90,291Radar top 200kCrUX —Majestic 28,954Umbrella 846,668checked Sep 14

soomgo.com323,651 avg · W17, acquired▲ 990323,65165,337top 200ktop 50k205,288700,327Sep 14

Tranco 65,337Radar top 200kCrUX top 50kMajestic 205,288Umbrella 700,327checked Sep 14

extern.com329,195 avg · W17▲ 6,297329,195269,344top 500ktop 500k389,045—Sep 14

Tranco 269,344Radar top 500kCrUX top 500kMajestic 389,045Umbrella —checked Sep 14

getscopeai.com362,696 avg · W17, acquired▼ 2,544362,696————362,696Sep 14

Tranco —Radar —CrUX —Majestic —Umbrella 362,696checked Sep 14

clipboardworks.com376,241 avg · W17376,241——top 1M376,241—Sep 14

Tranco —Radar —CrUX top 1MMajestic 376,241Umbrella —checked Sep 14

request.network417,723 avg · W17▼ 14,644417,723649,713——185,733—Sep 14

Tranco 649,713Radar —CrUX —Majestic 185,733Umbrella —checked Sep 14

ambient.ai502,704 avg · W17▲ 18,404502,704182,044top 100k—466,265859,803Sep 14

Tranco 182,044Radar top 100kCrUX —Majestic 466,265Umbrella 859,803checked Sep 14

rankscience.com510,945 avg · W17▲ 7,472510,945———510,945—Sep 14

Tranco —Radar —CrUX —Majestic 510,945Umbrella —checked Sep 14

collectly.co567,649 avg · W17▲ 23,208567,649518,841top 1M—616,457—Sep 14

Tranco 518,841Radar top 1MCrUX —Majestic 616,457Umbrella —checked Sep 14

tokentransit.com569,917 avg · W17▼ 23,984569,917298,566top 1Mtop 1M446,263964,922Sep 14

Tranco 298,566Radar top 1MCrUX top 1MMajestic 446,263Umbrella 964,922checked Sep 14

getreliancehealth.com584,052 avg · W17▲ 35,569584,052——top 1M584,052—Sep 14

Tranco —Radar —CrUX top 1MMajestic 584,052Umbrella —checked Sep 14

thesleepreset.com595,148 avg · W17▼ 84,118595,148306,697top 200k—668,912809,836Sep 14

Tranco 306,697Radar top 200kCrUX —Majestic 668,912Umbrella 809,836checked Sep 14

buypower.ng596,409 avg · W17▼ 4,202596,409596,409top 1Mtop 500k——Sep 14

Tranco 596,409Radar top 1MCrUX top 500kMajestic —Umbrella —checked Sep 14

weflywright.com624,268 avg · W17▲ 3,026624,268———624,268—Sep 14

Tranco —Radar —CrUX —Majestic 624,268Umbrella —checked Sep 14

peer5.comgone627,512 avg · W17, acquired▲ 20,924627,512547,065——707,959—Sep 14

Tranco 547,065Radar —CrUX —Majestic 707,959Umbrella —checked Sep 14

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

plane.com634,874 avg · W17▼ 20,177634,874938,337——331,410—Sep 14

Tranco 938,337Radar —CrUX —Majestic 331,410Umbrella —checked Sep 14

scaphold.ioredirected720,635 avg · W17, acquired▼ 12,090720,635———720,635—Sep 14

Tranco —Radar —CrUX —Majestic 720,635Umbrella —checked Sep 14

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

armory.io730,332 avg · W17, acquired▼ 4,363730,332———730,332—Sep 14

Tranco —Radar —CrUX —Majestic 730,332Umbrella —checked Sep 14

solugen.com773,155 avg · W17▲ 61,192773,155———773,155—Sep 14

Tranco —Radar —CrUX —Majestic 773,155Umbrella —checked Sep 14

hogaru.com791,268 avg · W17▲ 3,050791,268791,268—top 500k——Sep 14

Tranco 791,268Radar —CrUX top 500kMajestic —Umbrella —checked Sep 14

mirror-ai.com795,912 avg · W17▼ 6,488795,912———795,912—Sep 14

Tranco —Radar —CrUX —Majestic 795,912Umbrella —checked Sep 14

nomba.com796,075 avg · W17▼ 10,968796,075—top 1M—796,075—Sep 14

Tranco —Radar top 1MCrUX —Majestic 796,075Umbrella —checked Sep 14

tizeti.com840,331 avg · W17▲ 2,805840,331840,331————Sep 14

Tranco 840,331Radar —CrUX —Majestic —Umbrella —checked Sep 14

bulletin.cogone884,967 avg · W17, acquired▼ 11,358884,967———884,967—Sep 14

Tranco —Radar —CrUX —Majestic 884,967Umbrella —checked Sep 14

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

tolemi.com935,297 avg · W17935,297————935,297Jul 25

Tranco —Radar —CrUX —Majestic —Umbrella 935,297checked Jul 25

aon3d.com984,120 avg · W17984,120———984,120—Sep 14

Tranco —Radar —CrUX —Majestic 984,120Umbrella —checked Sep 14

show 20 more

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

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.