Y Combinator Startups

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

55 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

W14 · 55 sites · ← all sites

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

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

chargehound.com58,359 avg · W14, acquired58,359————58,359Aug 4

Tranco —Radar —CrUX —Majestic —Umbrella 58,359checked Aug 4

codecombat.com62,550 avg · W14▲ 1,07962,55096,832top 500ktop 500k28,268—Sep 14

Tranco 96,832Radar top 500kCrUX top 500kMajestic 28,268Umbrella —checked Sep 14

algolia.com73,420 avg · W14▲ 5,80173,42019,887top 20ktop 500k7,700192,674Sep 14

Tranco 19,887Radar top 20kCrUX top 500kMajestic 7,700Umbrella 192,674checked Sep 14

flexport.com88,107 avg · W14▲ 3,39288,1079,011top 50ktop 1M32,068223,241Sep 14

Tranco 9,011Radar top 50kCrUX top 1MMajestic 32,068Umbrella 223,241checked Sep 14

pushbullet.com97,098 avg · W14▲ 66397,09847,177top 50ktop 500k42,488201,628Sep 14

Tranco 47,177Radar top 50kCrUX top 500kMajestic 42,488Umbrella 201,628checked Sep 14

guesty.com100,986 avg · W14▼ 805100,98632,612top 50ktop 500k67,106203,241Sep 14

Tranco 32,612Radar top 50kCrUX top 500kMajestic 67,106Umbrella 203,241checked Sep 14

getcruise.comredirected136,194 avg · W14, acquired▼ 506136,194212,775——59,613—Sep 14

Tranco 212,775Radar —CrUX —Majestic 59,613Umbrella —checked Sep 14

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

cambly.com138,643 avg · W14▼ 30,073138,64333,444top 50ktop 500k44,114338,372Sep 14

Tranco 33,444Radar top 50kCrUX top 500kMajestic 44,114Umbrella 338,372checked Sep 14

getweave.com160,417 avg · W14, public▲ 2,417160,41733,968top 20ktop 500k44,110403,173Sep 14

Tranco 33,968Radar top 20kCrUX top 500kMajestic 44,110Umbrella 403,173checked Sep 14

devcycle.com183,870 avg · W14, acquired▲ 13,137183,87016,021top 10k—510,13725,452Sep 14

Tranco 16,021Radar top 10kCrUX —Majestic 510,137Umbrella 25,452checked Sep 14

wit.ai215,387 avg · W14, acquired▲ 17,185215,387125,280top 100k—84,328436,554Sep 14

Tranco 125,280Radar top 100kCrUX —Majestic 84,328Umbrella 436,554checked Sep 14

dyspatch.io219,397 avg · W14▲ 1,350219,397138,672top 200k—364,575154,944Sep 14

Tranco 138,672Radar top 200kCrUX —Majestic 364,575Umbrella 154,944checked Sep 14

airhelp.com230,918 avg · W14▼ 33,239230,91852,178top 200ktop 500k20,830619,745Sep 14

Tranco 52,178Radar top 200kCrUX top 500kMajestic 20,830Umbrella 619,745checked Sep 14

bellabeat.com240,526 avg · W14▲ 2,088240,526346,378top 1M—134,673—Sep 14

Tranco 346,378Radar top 1MCrUX —Majestic 134,673Umbrella —checked Sep 14

truevault.com262,395 avg · W14▼ 5,511262,395223,817top 200k—329,309234,060Sep 14

Tranco 223,817Radar top 200kCrUX —Majestic 329,309Umbrella 234,060checked Sep 14

ambition.com288,050 avg · W14▲ 9,240288,050246,846top 500k—329,254—Sep 14

Tranco 246,846Radar top 500kCrUX —Majestic 329,254Umbrella —checked Sep 14

gobble.com306,613 avg · W14, acquired▼ 22,315306,613393,214top 1M—220,011—Sep 14

Tranco 393,214Radar top 1MCrUX —Majestic 220,011Umbrella —checked Sep 14

mixerbox.com378,395 avg · W14▼ 12,452378,39559,143top 50k—797,218278,823Sep 14

Tranco 59,143Radar top 50kCrUX —Majestic 797,218Umbrella 278,823checked Sep 14

aptdeco.com381,219 avg · W14▼ 30,610381,21996,496top 50ktop 500k153,546893,615Sep 14

Tranco 96,496Radar top 50kCrUX top 500kMajestic 153,546Umbrella 893,615checked Sep 14

unbabel.com388,029 avg · W14, acquired▼ 6,753388,029121,026top 200ktop 500k57,979985,081Sep 14

Tranco 121,026Radar top 200kCrUX top 500kMajestic 57,979Umbrella 985,081checked Sep 14

snapdocs.com409,182 avg · W14▼ 23,765409,18239,072top 100ktop 1M257,723930,752Sep 14

Tranco 39,072Radar top 100kCrUX top 1MMajestic 257,723Umbrella 930,752checked Sep 14

1degree.org468,211 avg · W14▼ 21,176468,211———468,211—Sep 14

Tranco —Radar —CrUX —Majestic 468,211Umbrella —checked Sep 14

abacus.comredirected542,319 avg · W14, acquired▼ 521542,319571,639top 1M—512,998—Sep 14

Tranco 571,639Radar top 1MCrUX —Majestic 512,998Umbrella —checked Sep 14

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

kimonolabs.com559,056 avg · W14, acquired▼ 16,092559,056578,709——539,403—Sep 14

Tranco 578,709Radar —CrUX —Majestic 539,403Umbrella —checked Sep 14

sketchdeck.com602,322 avg · W14, acquired▼ 54,048602,322———602,322—Sep 14

Tranco —Radar —CrUX —Majestic 602,322Umbrella —checked Sep 14

memebox.com620,377 avg · W14▲ 8,035620,377964,573——276,181—Sep 14

Tranco 964,573Radar —CrUX —Majestic 276,181Umbrella —checked Sep 14

zidisha.org638,812 avg · W14▲ 43,534638,812898,112top 1M—379,511—Sep 14

Tranco 898,112Radar top 1MCrUX —Majestic 379,511Umbrella —checked Sep 14

getkuna.com767,584 avg · W14, acquired▼ 26,121767,584———767,584—Sep 14

Tranco —Radar —CrUX —Majestic 767,584Umbrella —checked Sep 14

shoobs.com796,235 avg · W14▲ 21,446796,235936,888top 500k—655,581—Sep 14

Tranco 936,888Radar top 500kCrUX —Majestic 655,581Umbrella —checked Sep 14

axoni.com823,060 avg · W14, acquired▲ 56,090823,060———823,060—Sep 14

Tranco —Radar —CrUX —Majestic 823,060Umbrella —checked Sep 14

caremessage.org827,957 avg · W14▼ 7,605827,957———827,957—Sep 14

Tranco —Radar —CrUX —Majestic 827,957Umbrella —checked Sep 14

zinc.com855,346 avg · W14▼ 2,724855,346———855,346—Sep 14

Tranco —Radar —CrUX —Majestic 855,346Umbrella —checked Sep 14

pipelinedb.comredirected868,593 avg · W14, acquired▼ 26,563868,593———868,593—Sep 14

Tranco —Radar —CrUX —Majestic 868,593Umbrella —checked Sep 14

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

opencurriculum.org912,374 avg · W14▲ 34,187912,374———912,374—Sep 14

Tranco —Radar —CrUX —Majestic 912,374Umbrella —checked Sep 14

42technologies.com— avg · W14——top 1M———Aug 30

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Aug 30

avametric.comgone— avg · W14, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

boostable.comparked— avg · W14, acquired——top 1M———Sep 13

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Sep 13

this domain is parked; the rank measures the placeholder, not the company — the domain is on namebrightdns.com's nameservers, a domain sale platform

codenow.org— avg · W14———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

emailio.comgone— avg · W14———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

eventjoy.com— avg · W14, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

framed.io— avg · W14, acquired———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

gbatteries.com— avg · W14———————

Tranco —Radar —CrUX —Majestic —Umbrella —checked never

gorickshaw.com— avg · W14, acquired———————

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

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.