Ranked Index/yc
Synced from the official YC API · Jul 30

Y Combinator Startups

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

238 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

W23 · 238 sites · ← all sites

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

#URLThis weekAvg rankTrancoRadarCrUXMajesticUmbrellaChecked
1vector.co35,069 avg · W23▲ 35335,06933,256top 20k——36,881Jul 30
Tranco 33,256Radar top 20kCrUX —Majestic —Umbrella 36,881checked Jul 30
2resend.com52,003 avg · W23▼ 83552,00319,569top 20ktop 50k12,138124,301Jul 30
Tranco 19,569Radar top 20kCrUX top 50kMajestic 12,138Umbrella 124,301checked Jul 30
3usepylon.com88,679 avg · W23▼ 1,11288,67911,606top 5ktop 1M209,27845,153Jul 30
Tranco 11,606Radar top 5kCrUX top 1MMajestic 209,278Umbrella 45,153checked Jul 30
4onetext.com91,507 avg · W23▼ 1,71391,50774,018top 100k——108,996Jul 30
Tranco 74,018Radar top 100kCrUX —Majestic —Umbrella 108,996checked Jul 30
5vellum.ai134,900 avg · W23▲ 1,144134,900198,952top 500ktop 1M70,848—Jul 30
Tranco 198,952Radar top 500kCrUX top 1MMajestic 70,848Umbrella —checked Jul 30
6langfuse.com141,786 avg · W23, acquired▲ 343141,78653,773top 50ktop 500k52,210319,376Jul 30
Tranco 53,773Radar top 50kCrUX top 500kMajestic 52,210Umbrella 319,376checked Jul 30
7superkalam.com153,356 avg · W23▼ 36,507153,356153,356top 1Mtop 500k——Jul 30
Tranco 153,356Radar top 1MCrUX top 500kMajestic —Umbrella —checked Jul 30
8litellm.ai203,486 avg · W23▲ 11,151203,486111,975top 500ktop 1M39,181459,303Jul 30
Tranco 111,975Radar top 500kCrUX top 1MMajestic 39,181Umbrella 459,303checked Jul 30
9middleware.io207,815 avg · W23▼ 762207,815172,849top 200k—130,558320,037Jul 30
Tranco 172,849Radar top 200kCrUX —Majestic 130,558Umbrella 320,037checked Jul 30
10type.ai208,685 avg · W23▼ 159208,685236,441top 1Mtop 500k180,929—Jul 30
Tranco 236,441Radar top 1MCrUX top 500kMajestic 180,929Umbrella —checked Jul 30
11helicone.ai224,047 avg · W23, acquired▲ 8,091224,047330,465top 500k—117,628—Jul 30
Tranco 330,465Radar top 500kCrUX —Majestic 117,628Umbrella —checked Jul 30
12yuma.ai227,733 avg · W23▲ 7,121227,73379,165top 50k—393,543210,490Jul 30
Tranco 79,165Radar top 50kCrUX —Majestic 393,543Umbrella 210,490checked Jul 30
13frigade.com239,692 avg · W23▼ 6,965239,692236,051top 200k——243,333Jul 30
Tranco 236,051Radar top 200kCrUX —Majestic —Umbrella 243,333checked Jul 30
14buildwithfern.com243,470 avg · W23, acquired▼ 11,587243,470157,466top 100k—337,196235,748Jul 30
Tranco 157,466Radar top 100kCrUX —Majestic 337,196Umbrella 235,748checked Jul 30
15stackai.com258,549 avg · W23, acquired▲ 13,204258,549345,523top 500ktop 1M171,575—Jul 30
Tranco 345,523Radar top 500kCrUX top 1MMajestic 171,575Umbrella —checked Jul 30
16inkeep.com292,652 avg · W23▼ 6,912292,652156,824top 100k—601,355119,776Jul 30
Tranco 156,824Radar top 100kCrUX —Majestic 601,355Umbrella 119,776checked Jul 30
17reflex.dev293,095 avg · W23▲ 4,855293,095423,789top 500k—162,401—Jul 30
Tranco 423,789Radar top 500kCrUX —Majestic 162,401Umbrella —checked Jul 30
18magicpatterns.com310,105 avg · W23▲ 12,940310,105363,726top 500ktop 1M256,484—Jul 30
Tranco 363,726Radar top 500kCrUX top 1MMajestic 256,484Umbrella —checked Jul 30
19glass.health316,786 avg · W23▲ 22,419316,786———316,786—Jul 30
Tranco —Radar —CrUX —Majestic 316,786Umbrella —checked Jul 30
20hona.com319,685 avg · W23▲ 18,888319,685319,685top 200k———Jul 30
Tranco 319,685Radar top 200kCrUX —Majestic —Umbrella —checked Jul 30
21play.aigone350,897 avg · W23, acquired▲ 24,331350,897———350,897—Jul 30
Tranco —Radar —CrUX —Majestic 350,897Umbrella —checked Jul 30

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

22persana.ai373,834 avg · W23▲ 3,900373,834———373,834—Jul 30
Tranco —Radar —CrUX —Majestic 373,834Umbrella —checked Jul 30
23decohere.airedirected375,371 avg · W23▲ 16,905375,371———375,371—Jul 30
Tranco —Radar —CrUX —Majestic 375,371Umbrella —checked Jul 30

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

24depot.dev386,659 avg · W23▲ 7,142386,659467,767top 500k—305,551—Jul 30
Tranco 467,767Radar top 500kCrUX —Majestic 305,551Umbrella —checked Jul 30
25highlight.io387,269 avg · W23, acquired▲ 16,487387,269203,290top 100k—493,421465,096Jul 30
Tranco 203,290Radar top 100kCrUX —Majestic 493,421Umbrella 465,096checked Jul 30
26numeral.com395,035 avg · W23▲ 7,034395,035529,388top 1M—260,681—Jul 30
Tranco 529,388Radar top 1MCrUX —Majestic 260,681Umbrella —checked Jul 30
27infisical.com397,168 avg · W23▼ 24,137397,168103,048top 50k—126,282962,175Jul 30
Tranco 103,048Radar top 50kCrUX —Majestic 126,282Umbrella 962,175checked Jul 30
28cloudchipr.com401,468 avg · W23▼ 6,928401,468———401,468—Jul 30
Tranco —Radar —CrUX —Majestic 401,468Umbrella —checked Jul 30
29trigger.dev407,424 avg · W23▼ 8,593407,424132,865top 100k—178,120911,287Jul 30
Tranco 132,865Radar top 100kCrUX —Majestic 178,120Umbrella 911,287checked Jul 30
30warp.co431,120 avg · W23▼ 8,428431,120———431,120—Jul 30
Tranco —Radar —CrUX —Majestic 431,120Umbrella —checked Jul 30
31clueso.io432,091 avg · W23▲ 6,805432,091299,278top 200k—564,904—Jul 30
Tranco 299,278Radar top 200kCrUX —Majestic 564,904Umbrella —checked Jul 30
32nango.dev432,347 avg · W23▲ 7,116432,347574,665top 500k—290,028—Jul 30
Tranco 574,665Radar top 500kCrUX —Majestic 290,028Umbrella —checked Jul 30
33cosine.sh439,397 avg · W23▲ 18,232439,397652,114——226,680—Jul 30
Tranco 652,114Radar —CrUX —Majestic 226,680Umbrella —checked Jul 30
34escape.tech444,342 avg · W23▲ 16,452444,342660,769top 1M—227,915—Jul 30
Tranco 660,769Radar top 1MCrUX —Majestic 227,915Umbrella —checked Jul 30
35booth.airedirected471,687 avg · W23, acquired▲ 59,240471,687735,434——207,939—Jul 30
Tranco 735,434Radar —CrUX —Majestic 207,939Umbrella —checked Jul 30

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

36flower.ai478,240 avg · W23▼ 18,101478,240652,994top 1M—303,486—Jul 30
Tranco 652,994Radar top 1MCrUX —Majestic 303,486Umbrella —checked Jul 30
37icepanel.io494,538 avg · W23▼ 9,650494,538347,241top 200k——641,835Jul 30
Tranco 347,241Radar top 200kCrUX —Majestic —Umbrella 641,835checked Jul 30
38alaan.com517,537 avg · W23▲ 18,283517,537505,683top 500ktop 1M529,390—Jul 30
Tranco 505,683Radar top 500kCrUX top 1MMajestic 529,390Umbrella —checked Jul 30
39truewind.ai518,663 avg · W23▲ 25,121518,663———518,663—Jul 30
Tranco —Radar —CrUX —Majestic 518,663Umbrella —checked Jul 30
40vitalize.care553,803 avg · W23▲ 13,280553,803553,803top 1M———Jul 30
Tranco 553,803Radar top 1MCrUX —Majestic —Umbrella —checked Jul 30
41outerbase.com608,079 avg · W23, acquired▲ 991608,079———608,079—Jul 30
Tranco —Radar —CrUX —Majestic 608,079Umbrella —checked Jul 30
42onshore.com615,417 avg · W23▲ 22,019615,417548,998——681,835—Jul 30
Tranco 548,998Radar —CrUX —Majestic 681,835Umbrella —checked Jul 30
43tennr.com617,877 avg · W23▼ 1,549617,877362,573top 500k—879,699611,360Jul 30
Tranco 362,573Radar top 500kCrUX —Majestic 879,699Umbrella 611,360checked Jul 30
44pirros.com618,285 avg · W23▲ 1,042618,285486,161top 500k——750,409Jul 30
Tranco 486,161Radar top 500kCrUX —Majestic —Umbrella 750,409checked Jul 30
45fintool.comgone622,989 avg · W23, acquired▼ 34,278622,989———622,989—Jul 30
Tranco —Radar —CrUX —Majestic 622,989Umbrella —checked Jul 30

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

46traceloop.com629,194 avg · W23, acquired▲ 24,331629,194—top 1M—629,194—Jul 30
Tranco —Radar top 1MCrUX —Majestic 629,194Umbrella —checked Jul 30
47extend.ai641,724 avg · W23▼ 1,046641,724944,108top 1M—339,340—Jul 30
Tranco 944,108Radar top 1MCrUX —Majestic 339,340Umbrella —checked Jul 30
48boundaryml.com648,019 avg · W23▲ 22,258648,019———648,019—Jul 30
Tranco —Radar —CrUX —Majestic 648,019Umbrella —checked Jul 30
49vocode.devredirected684,976 avg · W23, acquired▲ 248684,976———684,976—Jul 30
Tranco —Radar —CrUX —Majestic 684,976Umbrella —checked Jul 30

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

50coldreach.ai707,702 avg · W23▲ 10,442707,702———707,702—Jul 30
Tranco —Radar —CrUX —Majestic 707,702Umbrella —checked Jul 30
51avoca.ai709,752 avg · W23▲ 72,544709,752492,371top 500k—817,590819,296Jul 30
Tranco 492,371Radar top 500kCrUX —Majestic 817,590Umbrella 819,296checked Jul 30
52drdroid.io711,285 avg · W23▲ 42,885711,285———711,285—Jul 30
Tranco —Radar —CrUX —Majestic 711,285Umbrella —checked Jul 30
53metal.so719,258 avg · W23▲ 14,514719,258719,258top 500k———Jul 30
Tranco 719,258Radar top 500kCrUX —Majestic —Umbrella —checked Jul 30
54rivet.dev720,283 avg · W23▲ 57,504720,283911,066top 500k—529,500—Jul 30
Tranco 911,066Radar top 500kCrUX —Majestic 529,500Umbrella —checked Jul 30
55unify.ai750,301 avg · W23▲ 39,994750,301977,536——523,066—Jul 30
Tranco 977,536Radar —CrUX —Majestic 523,066Umbrella —checked Jul 30
56univerbal.app774,602 avg · W23▼ 9,960774,602———774,602—Jul 30
Tranco —Radar —CrUX —Majestic 774,602Umbrella —checked Jul 30
57commonpaper.com789,570 avg · W23▲ 38,119789,570———789,570—Jul 30
Tranco —Radar —CrUX —Majestic 789,570Umbrella —checked Jul 30
58ezdubs.aigone790,506 avg · W23, acquired▲ 42,919790,506———790,506—Jul 30
Tranco —Radar —CrUX —Majestic 790,506Umbrella —checked Jul 30

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

59palomma.com811,137 avg · W23▲ 631811,137811,137————Jul 30
Tranco 811,137Radar —CrUX —Majestic —Umbrella —checked Jul 30
60credal.ai884,852 avg · W23▲ 26,783884,852———884,852—Jul 30
Tranco —Radar —CrUX —Majestic 884,852Umbrella —checked Jul 30
61syncly.app906,996 avg · W23▼ 21,595906,996———906,996—Jul 30
Tranco —Radar —CrUX —Majestic 906,996Umbrella —checked Jul 30
62co.dev923,378 avg · W23▼ 83,442923,378———923,378—Jul 30
Tranco —Radar —CrUX —Majestic 923,378Umbrella —checked Jul 30
63metal.ai946,437 avg · W23▲ 38,677946,437———946,437—Jul 30
Tranco —Radar —CrUX —Majestic 946,437Umbrella —checked Jul 30
64keephq.dev952,593 avg · W23, acquired▲ 24,730952,593———952,593—Jul 30
Tranco —Radar —CrUX —Majestic 952,593Umbrella —checked Jul 30
65trysalient.com977,562 avg · W23▲ 20,090977,562—top 1M—977,562—Jul 30
Tranco —Radar top 1MCrUX —Majestic 977,562Umbrella —checked Jul 30
66speccheckrx.com997,572 avg · W23997,572—top 1M——997,572Jul 30
Tranco —Radar top 1MCrUX —Majestic —Umbrella 997,572checked Jul 30
671stcollab.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
68222.place— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
69adventris.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
70alloy.app— avg · W23——top 1M———Jul 26
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 26
71alphawatch.ai— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
72ariglad.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
73arroyo.dev— avg · W23, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
74askkyber.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
75atmeto.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
76backdropagent.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
77berryai.comparked— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

78bluebirds.ai— avg · W23, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
79brewit.ai— avg · W23, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
80buildjet.com— avg · W23——top 1M———Jul 30
Tranco —Radar top 1MCrUX —Majestic —Umbrella —checked Jul 30
81bujeti.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
82cardinalapp.iogone— avg · W23, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

83clearspace.org— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
84clickpe.ai— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
85combinehealth.ai— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
86compliantllm.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
87concourse.co— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
88coperniq.io— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
89corgilabs.ai— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
90dagworks.io— avg · W23, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
91dashdive.comredirected— avg · W23, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

92dataglade.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
93designbase.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
94diffuse.bio— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
95double.bot— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
96dream3d.comgone— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never

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

97edgebit.io— avg · W23, acquired———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
98epsilon-ai.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
99factiq.com— avg · W23———————
Tranco —Radar —CrUX —Majestic —Umbrella —checked never
100fairwayhealth.co— avg · W23, 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

matches the domain; subdomains get the same numbers, so skip the www

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.