Y Combinator Startups

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

27 of 5,025 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

W11 · 27 sites · ← all sites

27 sites, including 9 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

hellosign.comredirected54,037 avg · W11, acquired▲ 44254,03728,603top 50k—37,44596,064Jul 30

Tranco 28,603Radar top 50kCrUX —Majestic 37,445Umbrella 96,064checked Jul 30

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

close.com83,436 avg · W11▲ 2,29983,43626,838top 50ktop 500k22,828200,642Jul 30

Tranco 26,838Radar top 50kCrUX top 500kMajestic 22,828Umbrella 200,642checked Jul 30

getpebble.comredirected85,487 avg · W11, acquired▼ 21785,487135,492——35,481—Jul 30

Tranco 135,492Radar —CrUX —Majestic 35,481Umbrella —checked Jul 30

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

lanyrd.comredirected98,058 avg · W11, acquired▲ 90298,058155,219——40,897—Jul 30

Tranco 155,219Radar —CrUX —Majestic 40,897Umbrella —checked Jul 30

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

fivestars.comredirected104,537 avg · W11, acquired▼ 131104,53776,559top 100ktop 1M132,514—Jul 30

Tranco 76,559Radar top 100kCrUX top 1MMajestic 132,514Umbrella —checked Jul 30

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

tremendous.com127,266 avg · W11▲ 9,693127,26696,308top 100ktop 500k122,793162,698Jul 30

Tranco 96,308Radar top 100kCrUX top 500kMajestic 122,793Umbrella 162,698checked Jul 30

talkable.com132,636 avg · W11▼ 165132,636102,973top 200k—134,742160,194Jul 30

Tranco 102,973Radar top 200kCrUX —Majestic 134,742Umbrella 160,194checked Jul 30

drchrono.com220,556 avg · W11, acquired▲ 7,086220,55639,239top 50ktop 1M137,579484,850Jul 30

Tranco 39,239Radar top 50kCrUX top 1MMajestic 137,579Umbrella 484,850checked Jul 30

upverter.com243,625 avg · W11, acquired▼ 3,042243,625380,321top 1M—106,929—Jul 30

Tranco 380,321Radar top 1MCrUX —Majestic 106,929Umbrella —checked Jul 30

tumult.com266,259 avg · W11▼ 1,245266,259385,727top 1M—146,791—Jul 30

Tranco 385,727Radar top 1MCrUX —Majestic 146,791Umbrella —checked Jul 30

singlestore.com303,589 avg · W11▲ 2,411303,58973,625top 200k—62,328774,815Jul 30

Tranco 73,625Radar top 200kCrUX —Majestic 62,328Umbrella 774,815checked Jul 30

mailgun.netgone310,212 avg · W11, acquired▼ 6,883310,2124,110top 10k—871,82654,700Jul 30

Tranco 4,110Radar top 10kCrUX —Majestic 871,826Umbrella 54,700checked Jul 30

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

custora.com338,660 avg · W11, acquired▲ 6,543338,660———338,660—Jul 30

Tranco —Radar —CrUX —Majestic 338,660Umbrella —checked Jul 30

yougotlistings.com340,262 avg · W11▼ 69,757340,262340,262————Jul 30

Tranco 340,262Radar —CrUX —Majestic —Umbrella —checked Jul 30

storyworth.com385,771 avg · W11▼ 2,763385,771121,429top 200ktop 100k175,867860,016Jul 30

Tranco 121,429Radar top 200kCrUX top 100kMajestic 175,867Umbrella 860,016checked Jul 30

talkbin.com573,660 avg · W11, acquired▲ 2,461573,660885,271———262,048Jul 30

Tranco 885,271Radar —CrUX —Majestic —Umbrella 262,048checked Jul 30

instapainting.com644,017 avg · W11▼ 1,421644,017948,542top 1M—339,491—Jul 30

Tranco 948,542Radar top 1MCrUX —Majestic 339,491Umbrella —checked Jul 30

zerocater.com675,169 avg · W11▼ 6,746675,169982,362top 1M—367,976—Jul 30

Tranco 982,362Radar top 1MCrUX —Majestic 367,976Umbrella —checked Jul 30

earbits.com808,937 avg · W11, acquired▼ 18,356808,937———808,937—Jul 30

Tranco —Radar —CrUX —Majestic 808,937Umbrella —checked Jul 30

acunote.com865,737 avg · W11▲ 48,056865,737———865,737—Jul 30

Tranco —Radar —CrUX —Majestic 865,737Umbrella —checked Jul 30

show 20 more

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

History · every change, public

Jul 30 06:02sync with the YC sync, 15 sites changed

Jul 29 06:03sync with the YC sync, 23 sites changed

Jul 28 06:03sync with the YC sync, 9 sites changed

Jul 27 06:02sync with the YC sync, 7 sites changed

Jul 26 06:03sync with the YC sync, 4 sites changed

Jul 25 06:03sync with the YC sync, 2 sites shown

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