Document Policy

A mechanism that allows developers to set certain rules and policies for a given site. The rules can change default browser behaviour, block certain features or set limits on resource usage. Document Policy is useful both for security and performance, and is similar to Permissions Policy.

Unofficial / Note: https://wicg.github.io/document-policy/

Usage: 0% + 77.9% = 77.9%

Support summary

IE: Not supported
Edge: partial since 85, notes for version 85₁
Firefox: Not supported
Chrome: partial since 85, notes for version 85₁
Safari: Not supported
Opera: partial since 71, notes for version 71₁
Safari on iOS: Not supported
Opera Mini: Not supported
Android Browser: partial since 143, notes for version 143₁
Blackberry Browser: Not supported
Opera Mobile: partial since 80, notes for version 80₁
Chrome for Android: partial since 143, notes for version 143₁
Firefox for Android: Not supported
IE Mobile: Not supported
UC Browser for Android: Not supported
Samsung Internet: Not supported
QQ Browser: Not supported
Baidu Browser: partial since 13.52, notes for version 13.52₁
KaiOS Browser: Not supported

Notes

Standard support includes the HTTP `Document-Policy` header and `policy` attribute on iframes.

Chromium browsers only support the HTTP header. ↑

Full support table

IE

5.5	6	7	8	9	10	11
n	n	n	n	n	n	n

Edge

12	13	14	15	16	17	18	79	80	81	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	100	101	102	103	104	105	106	107	108	109	110	111	112	113	114	115	116	117	118	119	120	121	122	123	124	125	126	127	128	129	130	131	132	133	134	135	136	137	138	139	140	141	142	143
n	n	n	n	n	n	n	n	n	n	n	n	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a

Firefox

2	3	3.5	3.6	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63	64	65	66	67	68	69	70	71	72	73	74	75	76	77	78	79	80	81	82	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	100	101	102	103	104	105	106	107	108	109	110	111	112	113	114	115	116	117	118	119	120	121	122	123	124	125	126	127	128	129	130	131	132	133	134	135	136	137	138	139	140	141	142	143	144	145	146	147	148	149
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n

Chrome

4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63	64	65	66	67	68	69	70	71	72	73	74	75	76	77	78	79	80	81	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	100	101	102	103	104	105	106	107	108	109	110	111	112	113	114	115	116	117	118	119	120	121	122	123	124	125	126	127	128	129	130	131	132	133	134	135	136	137	138	139	140	141	142	143	144	145	146
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a

Safari

3.1	3.2	4	5	5.1	6	6.1	7	7.1	8	9	9.1	10	10.1	11	11.1	12	12.1	13	13.1	14	14.1	15	15.1	15.2-15.3	15.4	15.5	15.6	16.0	16.1	16.2	16.3	16.4	16.5	16.6	17.0	17.1	17.2	17.3	17.4	17.5	17.6	18.0	18.1	18.2	18.3	18.4	18.5-18.6	26.0	26.1	26.2	26.3	TP
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n

Opera

9	9.5-9.6	10.0-10.1	10.5	10.6	11	11.1	11.5	11.6	12	12.1	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	60	62	63	64	65	66	67	68	69	70	71	72	73	74	75	76	77	78	79	80	81	82	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	100	101	102	103	104	105	106	107	108	109	110	111	112	113	114	115	116	117	118	119	120	121	122	123	124	125
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a	a

Safari on iOS

3.2	4.0-4.1	4.2-4.3	5.0-5.1	6.0-6.1	7.0-7.1	8	8.1-8.4	9.0-9.2	9.3	10.0-10.2	10.3	11.0-11.2	11.3-11.4	12.0-12.1	12.2-12.5	13.0-13.1	13.2	13.3	13.4-13.7	14.0-14.4	14.5-14.8	15.0-15.1	15.2-15.3	15.4	15.5	15.6-15.8	16.0	16.1	16.2	16.3	16.4	16.5	16.6-16.7	17.0	17.1	17.2	17.3	17.4	17.5	17.6-17.7	18.0	18.1	18.2	18.3	18.4	18.5-18.7	26.0	26.1	26.2	26.3
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n

Opera Mini

all
n

Android Browser

2.1	2.2	2.3	3	4	4.1	4.2-4.3	4.4	4.4.3-4.4.4	143
n	n	n	n	n	n	n	n	n	a

Blackberry Browser

7	10
n	n

Opera Mobile

10	11	11.1	11.5	12	12.1	80
n	n	n	n	n	n	a

Chrome for Android

143
a

Firefox for Android

146
n

IE Mobile

10	11
n	n

UC Browser for Android

15.5
n

Samsung Internet

4	5.0-5.4	6.2-6.4	7.2-7.4	8.2	9.2	10.1	11.1-11.2	12.0	13.0	14.0	15.0	16.0	17.0	18.0	19.0	20	21	22	23	24	25	26	27	28	29
n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n	n

QQ Browser

14.9
n

Baidu Browser

13.52
a

KaiOS Browser

2.5	3.0-3.1
n	n

y = supported
a = partially supported, see notes
x = supported with a prefix, e.g. moz, webkit
p = supported with a polyfill
d = available but disabled by default; the feature need to be enabled in about:config, chrome://flags, etc.
n = not supported
u = unknown/untested

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