Historical trends in the usage statistics of site elements for websites

This report shows the historical trends in the usage of the top site elements since May 2024.

	2024 1 May	2024 1 Jun	2024 1 Jul	2024 1 Aug	2024 1 Sep	2024 1 Oct	2024 1 Nov	2024 1 Dec	2025 1 Jan	2025 1 Feb	2025 1 Mar	2025 1 Apr	2025 1 May	2025 28 May
None	1.0%	0.9%	1.0%	1.0%	1.1%	1.5%	1.1%	0.7%	0.6%	0.7%	1.0%	1.3%	1.2%	1.1%
CSS	96.8%	96.4%	96.3%	96.3%	96.1%	95.5%	96.2%	96.8%	96.9%	96.8%	96.1%	95.3%	95.3%	95.5%
Compression	88.8%	88.6%	88.8%	88.9%	88.7%	88.4%	87.2%	86.7%	89.8%	89.9%	89.2%	88.6%	88.6%	88.9%
Default protocol https	85.6%	85.8%	85.9%	86.0%	85.8%	85.2%	86.7%	87.3%	87.7%	87.6%	87.3%	87.3%	87.8%	88.0%
Cookies	41.9%	41.9%	41.2%	40.9%	40.6%	41.4%	41.8%	41.9%	41.8%	42.1%	41.8%	41.1%	40.8%	41.0%
Default subdomain www	39.7%	39.9%	39.7%	39.5%	39.5%	38.8%	38.6%	38.7%	38.7%	38.5%	38.6%	38.8%	38.9%	38.9%
HTTP/3	29.5%	29.7%	30.3%	30.8%	31.1%	27.6%	26.1%	33.2%	33.6%	34.0%	34.2%	34.3%	34.6%	34.9%
HTTP/2	35.4%	35.2%	35.3%	35.4%	35.2%	34.9%	34.6%	34.5%	34.5%	34.6%	34.6%	33.8%	33.2%	33.1%
HTTP Strict Transport Security	27.3%	27.4%	27.5%	27.8%	28.1%	28.2%	28.6%	29.2%	29.7%	30.0%	30.2%	30.3%	30.5%	30.7%
IPv6	24.8%	24.9%	25.1%	25.3%	25.4%	25.4%	25.6%	25.9%	26.0%	26.2%	26.4%	26.4%	26.5%	26.6%
ETag	23.4%	23.4%	23.4%	23.2%	23.2%	23.3%	23.5%	23.9%	24.1%	24.3%	24.4%	24.5%	24.8%	25.3%
QUIC	7.9%	8.0%	8.1%	8.1%	8.1%	8.1%	8.4%	8.4%	8.5%	8.6%	8.3%	8.3%	8.4%	8.5%
Frameset	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%	0.2%

The diagram shows only site elements with more than 1% usage.

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