UCP Score leaderboard

The stores we check, ranked by UCP Score: a number from 0 to 100 for how well a store's UCP profile follows the spec and what it lets a UCP agent do, made of Discovery, Conformance and Capabilities.

about 21,000stores we could score

90average UCP Score

91.4%score 85 or more (grade A)

Where the points go

average part score out of 100

Grade A stores

Discovery98

Conformance89

Capabilities92

Every other store we could score

Discovery91

Conformance73

Capabilities40

The UCP Score weighs Discovery 30%, Conformance 40% and Capabilities 30%. How the score is made →

Most common fixes

share of the stores we could score

SHOULD The profile has no ETag or Last-Modified header

Send an ETag or Last-Modified header with /.well-known/ucp so agents can revalidate their cached copy cheaply.

43%

MUST The profile isn't served with the caching the spec requires

Serve /.well-known/ucp with "Cache-Control: public, max-age=300" (public, at least 60 seconds, never private, no-store or no-cache).

40.9%

SHOULD supported_versions isn't laid out the way the spec says

Make supported_versions an object: each key a protocol version date, each value the https URL of the profile for that version.

1.4%

Spec checks every status page shows. Each store's own fixes are on its status page.

Grades

stores we could score

A · 85–10091.4%

B · 70–846.2%

C · 50–690.2%

D · 30–492.2%

F · 0–290%

By store platform

average UCP Score

Shopify96

Wix85

Custom or not identified53

Salla91

Jumpseller80

Shoptet88

Zid75

Tray79

Matching stores

first 50 of 7,430

Rank	Store	Score ↑	Discovery	Conformance	Capabilities	Store platform
20749	stealthsportscenter.cominvalid	36 D	75	33	0	Wix
20637	naturewalkindia.cominvalid	37 D	80	33	0	Wix
20637	thedispensarymd.cominvalid	37 D	80	33	0	Wix
20637	verdy.co.jpinvalid	37 D	80	33	0	Wix
20553	andiseg.cominvalid	39 D	85	33	0	Wix
20553	aquaticclubofbrookfield.cominvalid	39 D	85	33	0	Wix
20553	bdcbuilderspro.cominvalid	39 D	85	33	0	Wix
20553	carol-assistant.cominvalid	39 D	85	33	0	Wix
20553	cctexas.cominvalid	39 D	85	33	0	Wix
20553	karelcasier.cominvalid	39 D	85	33	0	Wix
20553	shopsuccesscrate.cominvalid	39 D	85	33	0	Wix
20553	tladivine.cominvalid	39 D	85	33	0	Wix
20553	tradewindstexasac.cominvalid	39 D	85	33	0	Wix
20464	ahouse.mxinvalid	40 D	90	33	0	Wix
20464	biopearlonline.cominvalid	40 D	90	33	0	Wix
20464	creaturecomfortsdevon.cominvalid	40 D	90	33	0	Wix
20464	cuckoooffers.cominvalid	40 D	90	33	0	Wix
20464	helptheneedyorganization.cominvalid	40 D	90	33	0	Wix
20464	honeylyesoaps.cominvalid	40 D	90	33	0	Wix
20464	netscape.co.jpinvalid	40 D	90	33	0	Wix
20464	pricerite.com.hkinvalid	40 D	90	33	0	Wix
20464	techacemyanmar.cominvalid	40 D	90	33	0	Wix
20464	transferstationtx.cominvalid	40 D	90	33	0	Wix
20464	treepoints.cominvalid	40 D	90	33	0	Wix
20460	investmentmanagementhandbook.cominvalid	41 D	85	38	0	Wix
20424	gpseconomicas.netinvalid	42 D	95	33	0	Wix
20424	infektionsschutz-zertifikat.deinvalid	42 D	95	33	0	Wix
20424	rapmanufacturing.cominvalid	42 D	95	33	0	Wix
20424	reederei-henneberger.shopinvalid	42 D	75	37	15	Wix
20424	rgbarclub.cominvalid	42 D	95	33	0	Wix
20424	theclearvestor.cominvalid	42 D	95	33	0	Wix
20396	meet5.cominvalid	43 D	100	33	0	Wix
20396	starpark.com.coinvalid	43 D	80	37	15	Wix
20396	uniserveducation.cominvalid	43 D	80	37	15	Wix
20396	zoryninternational.cominvalid	43 D	80	37	15	Wix
20354	aokispizza.co.jpinvalid	45 D	85	37	15	Wix
20354	layla-network.aiinvalid	45 D	85	37	15	Wix
20354	wbecscegovernance.cominvalid	45 D	85	37	15	Wix
20344	aesovation.cominvalid	46 D	90	37	15	Wix
20344	cnl-uk.cominvalid	46 D	90	37	15	Wix
20344	froimoviciabogados.com.arinvalid	46 D	90	37	15	Wix
20344	loadout.co.ininvalid	46 D	90	37	15	Wix
20344	odontologiaioma.cominvalid	46 D	90	37	15	Wix
20344	thetealmonkey.co.ukinvalid	46 D	90	37	15	Wix
20344	tresjolie.co.zainvalid	46 D	90	37	15	Wix
20344	tripmilhas.cominvalid	46 D	90	37	15	Wix
20341	vtssolution.cominvalid	48 D	95	37	15	Wix
20334	consultamais.orginvalid	49 D	100	37	15	Wix
20334	sub-mission.nycinvalid	49 D	100	37	15	Wix
19967	automaximizer.com	77 B	95	81	53	Wix

Stores whose UCP profile we could read, valid or not; not found, blocked and unreachable stores have no score. Stores with the same score share a rank. Each store links to its score page.