Y Combinator Startups

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

30 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

S13 · 30 sites · ← all sites

30 sites, including 16 parked or gone · show only live sites

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked

doordash.com3,533 avg · S13, public▲ 1,0293,5332,349top 2ktop 5k2,7685,483Jul 30

Tranco 2,349Radar top 2kCrUX top 5kMajestic 2,768Umbrella 5,483checked Jul 30

statuspage.ioredirected4,400 avg · S13, acquired▲ 1584,4001,202top 1k—7,9224,077Jul 30

Tranco 1,202Radar top 1kCrUX —Majestic 7,922Umbrella 4,077checked Jul 30

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

webflow.com7,933 avg · S13▼ 2217,9332,953top 5ktop 50k1,48119,365Jul 30

Tranco 2,953Radar top 5kCrUX top 50kMajestic 1,481Umbrella 19,365checked Jul 30

7cups.com68,154 avg · S13▼ 2,59668,15497,537top 200ktop 500k38,771—Jul 30

Tranco 97,537Radar top 200kCrUX top 500kMajestic 38,771Umbrella —checked Jul 30

coreos.comredirected87,306 avg · S13, acquired▼ 11887,306140,052——34,560—Jul 30

Tranco 140,052Radar —CrUX —Majestic 34,560Umbrella —checked Jul 30

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

apptimize.comredirected130,248 avg · S13, acquired▲ 421130,24810,673top 10k—360,75619,315Jul 30

Tranco 10,673Radar top 10kCrUX —Majestic 360,756Umbrella 19,315checked Jul 30

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

easypost.com134,476 avg · S13▲ 1,210134,47660,429top 100ktop 1M69,057273,942Jul 30

Tranco 60,429Radar top 100kCrUX top 1MMajestic 69,057Umbrella 273,942checked Jul 30

casetext.comredirected146,578 avg · S13, acquired▲ 2,906146,57819,125top 200k—4,840415,768Jul 30

Tranco 19,125Radar top 200kCrUX —Majestic 4,840Umbrella 415,768checked Jul 30

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

lob.com185,244 avg · S13▲ 2,447185,244140,631top 200k—100,539314,561Jul 30

Tranco 140,631Radar top 200kCrUX —Majestic 100,539Umbrella 314,561checked Jul 30

panoramaed.com239,966 avg · S13▲ 37,872239,966106,017top 500k—99,975513,905Jul 30

Tranco 106,017Radar top 500kCrUX —Majestic 99,975Umbrella 513,905checked Jul 30

estimote.com250,970 avg · S13▲ 6,458250,970362,170top 1M—139,769—Jul 30

Tranco 362,170Radar top 1MCrUX —Majestic 139,769Umbrella —checked Jul 30

cratejoy.com325,348 avg · S13▼ 7,959325,34896,086top 200ktop 1M36,600843,359Jul 30

Tranco 96,086Radar top 200kCrUX top 1MMajestic 36,600Umbrella 843,359checked Jul 30

truelinkfinancial.com364,802 avg · S13▲ 16,250364,802265,631top 500ktop 1M314,554514,222Jul 30

Tranco 265,631Radar top 500kCrUX top 1MMajestic 314,554Umbrella 514,222checked Jul 30

bloomthat.comgone618,178 avg · S13, acquired▼ 19,700618,178———618,178—Jul 30

Tranco —Radar —CrUX —Majestic 618,178Umbrella —checked Jul 30

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

simplelegal.comredirected640,179 avg · S13, acquired▼ 54,193640,179677,348top 1M—558,027685,163Jul 30

Tranco 677,348Radar top 1MCrUX —Majestic 558,027Umbrella 685,163checked Jul 30

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

lumoid.com749,122 avg · S13, acquired▲ 40,668749,122———749,122—Jul 30

Tranco —Radar —CrUX —Majestic 749,122Umbrella —checked Jul 30

realcrowd.comredirected796,643 avg · S13, acquired▲ 58,586796,643———796,643—Jul 30

Tranco —Radar —CrUX —Majestic 796,643Umbrella —checked Jul 30

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

senic.com808,412 avg · S13, acquired▼ 42,789808,412———808,412—Jul 30

Tranco —Radar —CrUX —Majestic 808,412Umbrella —checked Jul 30

reebee.comredirected930,376 avg · S13▲ 17,898930,376———930,376—Jul 30

Tranco —Radar —CrUX —Majestic 930,376Umbrella —checked Jul 30

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———Jul 26

Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 26

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.