Y Combinator Startups

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

66 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

S16 · 66 sites · ← all sites

66 sites, including 12 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

expo.dev8,087 avg · S16▲ 1488,0876,203top 5ktop 50k11,3776,681Oct 29

Tranco 6,203Radar top 5kCrUX top 50kMajestic 11,377Umbrella 6,681checked Oct 29

theathletic.comredirected18,742 avg · S16, acquired▲ 44118,74212,068top 10ktop 1M5,35038,808Oct 29

Tranco 12,068Radar top 10kCrUX top 1MMajestic 5,350Umbrella 38,808checked Oct 29

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

meesho.com25,615 avg · S16, public▲ 3,48725,6151,237top 5ktop 5k41,22834,380Oct 29

Tranco 1,237Radar top 5kCrUX top 5kMajestic 41,228Umbrella 34,380checked Oct 29

bird.com77,577 avg · S16▼ 22,35877,57731,278top 50ktop 100k25,062176,391Oct 29

Tranco 31,278Radar top 50kCrUX top 100kMajestic 25,062Umbrella 176,391checked Oct 29

withjoy.com85,886 avg · S16▼ 2,95085,88628,812top 100ktop 50k37,340191,505Oct 29

Tranco 28,812Radar top 100kCrUX top 50kMajestic 37,340Umbrella 191,505checked Oct 29

vote.org92,538 avg · S16▲ 19,68792,53852,791top 500ktop 500k15,727209,097Oct 29

Tranco 52,791Radar top 500kCrUX top 500kMajestic 15,727Umbrella 209,097checked Oct 29

instrumentl.com112,013 avg · S16▼ 9,317112,01360,125top 20ktop 500k78,383197,530Oct 29

Tranco 60,125Radar top 20kCrUX top 500kMajestic 78,383Umbrella 197,530checked Oct 29

querobolsa.com.br121,480 avg · S16▲ 12,964121,48045,816top 50ktop 50k81,847236,778Oct 29

Tranco 45,816Radar top 50kCrUX top 50kMajestic 81,847Umbrella 236,778checked Oct 29

getsquire.com139,758 avg · S16▲ 3,617139,75861,925top 100ktop 100k97,772259,576Oct 29

Tranco 61,925Radar top 100kCrUX top 100kMajestic 97,772Umbrella 259,576checked Oct 29

scale.com166,864 avg · S16▲ 6,581166,86426,788top 100ktop 500k15,134458,671Oct 29

Tranco 26,788Radar top 100kCrUX top 500kMajestic 15,134Umbrella 458,671checked Oct 29

womenwhocode.com169,110 avg · S16▲ 1,132169,110271,564——66,656—Oct 29

Tranco 271,564Radar —CrUX —Majestic 66,656Umbrella —checked Oct 29

novacredit.com193,022 avg · S16▲ 14,255193,022132,091top 500k—158,090288,884Oct 29

Tranco 132,091Radar top 500kCrUX —Majestic 158,090Umbrella 288,884checked Oct 29

workramp.comredirected220,323 avg · S16, acquired▲ 3,532220,323180,199top 200k—229,507251,264Oct 29

Tranco 180,199Radar top 200kCrUX —Majestic 229,507Umbrella 251,264checked Oct 29

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

burrow.com224,478 avg · S16, acquired▲ 39,597224,478296,155top 500ktop 1M152,801—Oct 29

Tranco 296,155Radar top 500kCrUX top 1MMajestic 152,801Umbrella —checked Oct 29

people.airedirected229,377 avg · S16▲ 16,825229,377245,053top 1M—118,982324,097Oct 29

Tranco 245,053Radar top 1MCrUX —Majestic 118,982Umbrella 324,097checked Oct 29

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

curtsyapp.com239,269 avg · S16▲ 37,430239,26988,373top 50ktop 1M325,141304,293Oct 29

Tranco 88,373Radar top 50kCrUX top 1MMajestic 325,141Umbrella 304,293checked Oct 29

gogograndparent.com258,140 avg · S16▲ 86,179258,140260,434top 500ktop 500k255,846—Oct 29

Tranco 260,434Radar top 500kCrUX top 500kMajestic 255,846Umbrella —checked Oct 29

polymail.io275,097 avg · S16, acquired▲ 57,420275,097325,775top 500k—224,419—Oct 29

Tranco 325,775Radar top 500kCrUX —Majestic 224,419Umbrella —checked Oct 29

athelas.com277,409 avg · S16▲ 4,926277,409112,565top 200k—292,557427,105Oct 29

Tranco 112,565Radar top 200kCrUX —Majestic 292,557Umbrella 427,105checked Oct 29

flutterwave.comgone302,530 avg · S16▲ 15,908302,53086,106top 200ktop 500k30,467791,016Oct 29

Tranco 86,106Radar top 200kCrUX top 500kMajestic 30,467Umbrella 791,016checked Oct 29

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

show 20 more

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

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.