Y Combinator Startups

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

30 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

S13 · 30 sites · ← all sites

30 sites, including 15 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

doordash.com3,874 avg · S13, public▲ 133,8742,202top 2ktop 5k2,6496,770Sep 14

Tranco 2,202Radar top 2kCrUX top 5kMajestic 2,649Umbrella 6,770checked Sep 14

statuspage.ioredirected5,223 avg · S13, acquired▼ 5095,2231,038top 1k—7,7936,839Sep 14

Tranco 1,038Radar top 1kCrUX —Majestic 7,793Umbrella 6,839checked Sep 14

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

webflow.com9,211 avg · S13▲ 3209,2112,755top 5ktop 50k1,47623,403Sep 14

Tranco 2,755Radar top 5kCrUX top 50kMajestic 1,476Umbrella 23,403checked Sep 14

7cups.com73,136 avg · S13▲ 71973,136105,582top 200ktop 500k40,690—Sep 14

Tranco 105,582Radar top 200kCrUX top 500kMajestic 40,690Umbrella —checked Sep 14

coreos.comredirected81,855 avg · S13, acquired▲ 17781,855130,699——33,011—Sep 14

Tranco 130,699Radar —CrUX —Majestic 33,011Umbrella —checked Sep 14

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

apptimize.comredirected131,412 avg · S13, acquired▲ 3,020131,41210,736top 10k—363,45020,051Sep 14

Tranco 10,736Radar top 10kCrUX —Majestic 363,450Umbrella 20,051checked Sep 14

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

estimote.com238,436 avg · S13▼ 1,176238,436351,954——124,918—Sep 14

Tranco 351,954Radar —CrUX —Majestic 124,918Umbrella —checked Sep 14

casetext.comredirected247,337 avg · S13, acquired▼ 43,089247,33719,794top 200k—4,993717,224Sep 14

Tranco 19,794Radar top 200kCrUX —Majestic 4,993Umbrella 717,224checked Sep 14

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

easypost.com259,198 avg · S13▲ 12,671259,19862,688top 100ktop 1M70,307644,598Sep 14

Tranco 62,688Radar top 100kCrUX top 1MMajestic 70,307Umbrella 644,598checked Sep 14

lob.com268,743 avg · S13▼ 8,523268,743130,443top 200k—91,866583,920Sep 14

Tranco 130,443Radar top 200kCrUX —Majestic 91,866Umbrella 583,920checked Sep 14

cratejoy.com279,484 avg · S13▲ 57,671279,484104,513top 200ktop 1M36,127697,812Sep 14

Tranco 104,513Radar top 200kCrUX top 1MMajestic 36,127Umbrella 697,812checked Sep 14

panoramaed.com326,002 avg · S13▲ 47,474326,002146,590top 500ktop 1M88,644742,771Sep 14

Tranco 146,590Radar top 500kCrUX top 1MMajestic 88,644Umbrella 742,771checked Sep 14

truelinkfinancial.com519,802 avg · S13▼ 19,198519,802273,165top 500ktop 1M301,154985,086Sep 14

Tranco 273,165Radar top 500kCrUX top 1MMajestic 301,154Umbrella 985,086checked Sep 14

simplelegal.comredirected579,588 avg · S13, acquired▼ 8,512579,588—top 1M—579,588—Sep 14

Tranco —Radar top 1MCrUX —Majestic 579,588Umbrella —checked Sep 14

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

bloomthat.comgone646,985 avg · S13, acquired▼ 28,512646,985———646,985—Sep 14

Tranco —Radar —CrUX —Majestic 646,985Umbrella —checked Sep 14

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

lumoid.com782,920 avg · S13, acquired▼ 26,878782,920———782,920—Sep 14

Tranco —Radar —CrUX —Majestic 782,920Umbrella —checked Sep 14

realcrowd.comredirected801,870 avg · S13, acquired▲ 7,743801,870———801,870—Sep 14

Tranco —Radar —CrUX —Majestic 801,870Umbrella —checked Sep 14

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

senic.com828,604 avg · S13, acquired▼ 13,016828,604———828,604—Sep 14

Tranco —Radar —CrUX —Majestic 828,604Umbrella —checked Sep 14

reebee.comredirected992,818 avg · S13▼ 129,174992,818———992,818—Sep 14

Tranco —Radar —CrUX —Majestic 992,818Umbrella —checked Sep 14

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

arcusfi.com— avg · S13, acquired——top 1M———Sep 6

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 6

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.