HTTPArchive

This report captures a long view of the web, including the adoption of techniques for efficient network utilization and usage of web standards like HTTPS.

This report tracks the size and quantity of many popular web page resources. Sizes represent the number of bytes sent over the network, which may be compressed.

Generative AI chapter of the 2025 Web Almanac covering the transition to local browser-based AI, the adoption of WebNN and Built-in AI, new discoverability standards like llms.txt, and the emergence of AI fingerprints on the web.

The Web Almanac is an annual state of the web report combining the expertise of the web community with the data and trends of the HTTP Archive.

The Web Almanac is an annual state of the web report combining the expertise of the web community with the data and trends of the HTTP Archive.

The Web Almanac is an annual state of the web report combining the expertise of the web community with the data and trends of the HTTP Archive.

Fonts chapter of the 2022 Web Almanac covering where fonts are loaded from, font formats, font loading performance, variable fonts, and color fonts.

The Web Almanac is an annual state of the web report combining the expertise of the web community with the data and trends of the HTTP Archive.

HTTP/2 seems to have peaked and is dropping off!And in case it wasn't obvious why, it's HTTP/3! Seeing nearly 15% of requests using that now.We don't have a HTTP/3 graph yet. When we add one should we include pre-release versions (QUIC, h3-29) or only the

JavaScript chapter of the 2020 Web Almanac covering how much JavaScript we use on the web, compression, libraries and frameworks, loading, and source maps.