HTTP (Web Almanac 2021)

	A	B	C	D	E	F	G	H	I	J	K	L	M	N	P	Q	R
1	client	http_version_category	http_version	protocol	num_requests	total_req	num_requests_pct	num_pages	total_pages	num_pages_pct		SUM of num_requests_pct	client		SUM of num_pages_pct	client
2	desktop	HTTP/2+	HTTP/2	HTTP/2	396,520,801	597,398,251	66.4%	3,734,141	6,286,291	59.4%		http_version_category	desktop	mobile	http_version_category	desktop	mobile
3	desktop	HTTP/1.1	HTTP/1.1	http/1.1	153,859,673	597,398,251	25.8%	2,488,317	6,286,291	39.6%		HTTP/0.9	0.0%	0.0%	HTTP/0.9	0.0%	0.0%
4	desktop	HTTP/2+	HTTP/3	h3-29	34,961,241	597,398,251	5.9%	3,002	6,286,291	0.0%		HTTP/1.0	0.0%	0.0%	HTTP/1.0	0.0%	0.0%
5	desktop	Unknown	Unknown		7,842,986	597,398,251	1.3%	58,251	6,286,291	0.9%		HTTP/1.1	25.8%	26.5%	HTTP/1.1	39.6%	39.8%
6	desktop	HTTP/2+	HTTP/3	h3-Q050	3,578,796	597,398,251	0.6%	149	6,286,291	0.0%		HTTP/2+	72.9%	73.2%	HTTP/2+	59.5%	59.4%
7	desktop	HTTP/2+	HTTP/3	QUIC	467,161	597,398,251	0.1%	0	6,286,291	0.0%		Unknown	1.3%	0.3%	Unknown	0.9%	0.8%
8	desktop	HTTP/1.0	HTTP/1.0	http/1.0	167,383	597,398,251	0.0%	2,431	6,286,291	0.0%		Grand Total	100.0%	100.0%	Grand Total	100.0%	100.0%
9	desktop	HTTP/0.9	HTTP/0.9	http/0.9	210	597,398,251	0.0%	0	6,286,291	0.0%
10	mobile	HTTP/2+	HTTP/2	HTTP/2	449,730,215	671,833,348	66.9%	4,445,507	7,491,740	59.3%
11	mobile	HTTP/1.1	HTTP/1.1	http/1.1	178,007,606	671,833,348	26.5%	2,981,974	7,491,740	39.8%
12	mobile	HTTP/2+	HTTP/3	h3-29	37,109,335	671,833,348	5.5%	3,619	7,491,740	0.0%
13	mobile	HTTP/2+	HTTP/3	h3-Q050	4,505,077	671,833,348	0.7%	198	7,491,740	0.0%
14	mobile	Unknown	Unknown		1,949,404	671,833,348	0.3%	57,807	7,491,740	0.8%
15	mobile	HTTP/2+	HTTP/3	QUIC	372,707	671,833,348	0.1%	0	7,491,740	0.0%
16	mobile	HTTP/1.0	HTTP/1.0	http/1.0	158,691	671,833,348	0.0%	2,634	7,491,740	0.0%
17	mobile	HTTP/0.9	HTTP/0.9	http/0.9	313	671,833,348	0.0%	1	7,491,740	0.0%
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19		Since HTTP/3 will often not be used in our tests, even when supported, we group HTTP/2 and HTTP/3 into HTTP/2+
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32								Desktop 2020	Mobile 2020	Desktop 20201	Mobile 2021
33							HTTP/1.0	0.06%	0.05%	0.0%	0.02%
34							HTTP/1.1	49.22%	50.05%	25.8%	26.50%
35							HTTP/2	49.97%	49.28%	72.9%	73.19%
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38								Requests 2020	Requests 2021
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40							HTTP/1.1	49.64%	26.13%
41							HTTP/2	49.63%	73.05%
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