WPT

This page compares scores on the Web Platform Tests across web engines, using the latest master runs from wpt.fyi and Blitz's own test runner.

wpt / fetch / api / cors

Spec: Fetch ↗

Runs: Chrome 155.0.8038.0 (wpt@7addae031, 2026-09-02) | Firefox 157.0a1 (wpt@7addae031, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7884 (wpt@b1a7025f8, 2026-09-02) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)

Sort areas: alphabetical | by subtest count

Area	Chrome	Firefox	Safari	Ladybird	Servo	Blitz
Total	87.1%684/785	97.3%764/785	96.6%758/785	91.0%714/785	83.8%658/785	0.0%0/785

Test	Chrome	Firefox	Safari	Ladybird	Servo	Blitz
cors-basic.any.html	15/15	15/15	15/15	15/15	15/15	NOT RUN
cors-basic.any.worker.html	15/15	15/15	15/15	15/15	15/15	NOT RUN
cors-cookies-redirect.any.html	4/4	4/4	2/4	4/4	4/4	NOT RUN
cors-cookies-redirect.any.worker.html	4/4	4/4	2/4	2/4	4/4	NOT RUN
cors-cookies.any.html	6/6	6/6	6/6	6/6	6/6	NOT RUN
cors-cookies.any.worker.html	6/6	6/6	6/6	5/6	6/6	NOT RUN
cors-expose-star.sub.any.html	3/3	3/3	3/3	3/3	3/3	NOT RUN
cors-expose-star.sub.any.worker.html	3/3	3/3	3/3	3/3	3/3	NOT RUN
cors-filtering.sub.any.html	19/19	19/19	19/19	19/19	19/19	NOT RUN
cors-filtering.sub.any.worker.html	19/19	19/19	19/19	19/19	19/19	NOT RUN
cors-keepalive.any.html	15/95	95/95	95/95	66/95	15/95	NOT RUN
cors-multiple-origins.sub.any.html	6/6	6/6	6/6	6/6	6/6	NOT RUN
cors-multiple-origins.sub.any.serviceworker.html	6/6	6/6	6/6	0/6	0/6	NOT RUN
cors-multiple-origins.sub.any.sharedworker.html	6/6	6/6	6/6	6/6	6/6	NOT RUN
cors-multiple-origins.sub.any.worker.html	6/6	6/6	6/6	6/6	6/6	NOT RUN
cors-no-preflight.any.html	15/15	15/15	15/15	15/15	15/15	NOT RUN
cors-no-preflight.any.worker.html	15/15	15/15	15/15	15/15	15/15	NOT RUN
cors-origin.any.html	17/17	17/17	17/17	17/17	17/17	NOT RUN
cors-origin.any.worker.html	17/17	17/17	17/17	17/17	17/17	NOT RUN
cors-preflight-cache-tainted.any.html	2/2	2/2	2/2	2/2	2/2	NOT RUN
cors-preflight-cache-tainted.any.worker.html	2/2	2/2	2/2	2/2	2/2	NOT RUN
cors-preflight-cache.any.html	1/2	1/2	1/2	1/2	0/2	NOT RUN
cors-preflight-cache.any.worker.html	1/2	1/2	1/2	1/2	0/2	NOT RUN
cors-preflight-not-cors-safelisted.any.html	12/12	12/12	12/12	12/12	10/12	NOT RUN
cors-preflight-not-cors-safelisted.any.worker.html	12/12	12/12	12/12	12/12	10/12	NOT RUN
cors-preflight-redirect.any.html	5/10	5/10	5/10	5/10	5/10	NOT RUN
cors-preflight-redirect.any.serviceworker.html	10/10	10/10	10/10	0/10	0/10	NOT RUN
cors-preflight-redirect.any.sharedworker.html	5/10	5/10	5/10	5/10	5/10	NOT RUN
cors-preflight-redirect.any.worker.html	5/10	5/10	5/10	5/10	5/10	NOT RUN
cors-preflight-referrer.any.html	12/12	12/12	12/12	12/12	12/12	NOT RUN
cors-preflight-referrer.any.worker.html	12/12	12/12	12/12	12/12	12/12	NOT RUN
cors-preflight-response-validation.any.html	2/2	2/2	2/2	2/2	0/2	NOT RUN
cors-preflight-response-validation.any.worker.html	2/2	2/2	2/2	2/2	0/2	NOT RUN
cors-preflight-star.any.html	33/34	33/34	33/34	32/34	33/34	NOT RUN
cors-preflight-star.any.worker.html	33/34	33/34	33/34	32/34	33/34	NOT RUN
cors-preflight-status.any.html	27/27	27/27	27/27	27/27	27/27	NOT RUN
cors-preflight-status.any.worker.html	27/27	27/27	27/27	27/27	27/27	NOT RUN
cors-preflight-unterminated-body.any.html	PASS	PASS	NOT RUN	PASS	PASS	NOT RUN
cors-preflight-unterminated-body.any.worker.html	PASS	PASS	NOT RUN	PASS	PASS	NOT RUN
cors-preflight.any.html	21/22	21/22	21/22	21/22	21/22	NOT RUN
cors-preflight.any.worker.html	21/22	21/22	21/22	21/22	21/22	NOT RUN
cors-redirect-credentials.any.html	65/65	65/65	65/65	65/65	65/65	NOT RUN
cors-redirect-credentials.any.worker.html	65/65	65/65	65/65	65/65	65/65	NOT RUN
cors-redirect-preflight.any.html	30/30	30/30	30/30	30/30	30/30	NOT RUN
cors-redirect-preflight.any.worker.html	30/30	30/30	30/30	30/30	30/30	NOT RUN
cors-redirect.any.html	20/20	20/20	20/20	20/20	20/20	NOT RUN
cors-redirect.any.worker.html	20/20	20/20	20/20	20/20	20/20	NOT RUN
data-url-iframe.html	3/3	3/3	3/3	3/3	3/3	NOT RUN
data-url-shared-worker.html	3/3	3/3	3/3	3/3	3/3	NOT RUN
data-url-worker.html	3/3	3/3	3/3	3/3	3/3	NOT RUN
sandboxed-iframe.html	PASS	PASS	PASS	PASS	PASS	NOT RUN