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 December 2024.

	2024 1 Dec	2025 1 Jan	2025 1 Feb	2025 1 Mar	2025 1 Apr	2025 1 May	2025 1 Jun	2025 1 Jul	2025 1 Aug	2025 1 Sep	2025 1 Oct	2025 1 Nov	2025 1 Dec	2025 24 Dec
None	0.7%	0.6%	0.7%	1.0%	1.3%	1.2%	1.1%	1.0%	1.5%	0.9%	0.9%	1.0%	1.2%	1.5%
CSS	96.8%	96.9%	96.8%	96.1%	95.3%	95.3%	95.6%	95.7%	95.0%	96.0%	96.1%	95.5%	95.3%	94.4%
Compression	86.7%	89.8%	89.9%	89.2%	88.6%	88.6%	89.0%	89.2%	89.0%	89.8%	90.0%	89.6%	89.7%	89.2%
Default protocol https	87.3%	87.7%	87.6%	87.3%	87.3%	87.8%	88.0%	88.1%	87.5%	88.5%	88.8%	88.7%	88.5%	88.0%
Cookies	41.9%	41.8%	42.1%	41.8%	41.1%	40.8%	41.0%	40.8%	40.2%	40.3%	40.4%	40.2%	40.2%	40.5%
Default subdomain www	38.7%	38.7%	38.5%	38.6%	38.8%	38.9%	38.9%	38.8%	38.2%	38.8%	38.7%	39.3%	39.1%	38.7%
HTTP/3	33.2%	33.6%	34.0%	34.2%	34.3%	34.6%	34.9%	35.1%	35.1%	35.6%	35.7%	35.9%	36.4%	36.8%
HTTP/2	34.5%	34.5%	34.6%	34.6%	33.8%	33.2%	33.1%	33.2%	33.2%	33.2%	33.2%	33.3%	33.6%	33.9%
HTTP Strict Transport Security	29.2%	29.7%	30.0%	30.2%	30.3%	30.5%	30.7%	31.1%	31.2%	31.5%	31.8%	31.8%	31.7%	31.5%
IPv6	25.9%	26.0%	26.2%	26.4%	26.4%	26.5%	26.6%	26.8%	26.9%	27.1%	27.3%	27.6%	28.0%	28.4%
ETag	23.9%	24.1%	24.3%	24.4%	24.5%	24.8%	25.4%	25.6%	25.8%	26.1%	26.3%	26.3%	26.4%	26.5%
QUIC	8.4%	8.5%	8.6%	8.3%	8.3%	8.4%	8.6%	8.6%	8.5%	8.8%	8.8%	8.7%	8.6%	8.4%
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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