Web Almanac 2019: HTTP Archive's Annual Report
source link: https://almanac.httparchive.org/en/2019/
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2019
Web Almanac
HTTP Archive's annual
state of the web report
Our mission is to combine the raw stats and trends of the HTTP Archive with the expertise of the web community. The Web Almanac is a comprehensive report on the state of the web, backed by real data and trusted web experts. It is comprised of 20 chapters spanning aspects of page content, user experience, publishing, and distribution.
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Featured Chapter
Third Parties
The open web is vast, linkable, and interoperable by design. The ability to grab someone else’s complex library and use it on your site with a single <link>
or <script>
element has supercharged developers’ productivity and enabled awesome new web experiences; on the flip side, the immense popularity of a select few third-party providers raises important performance and privacy concerns. This chapter examines the prevalence and impact of third-party code on the web in 2019, the web usage patterns that lead to the popularity of third-party solutions, and potential repercussions for the future of web performance and privacy.
93%
Pages with 3P
49%
3P requests
28%
3P bytes
Contributors
The Web Almanac has been made possible by the hard work of the web community. 85 people have volunteered countless hours in the planning, research, writing and production phases.
See the contributors85
Methodology
Websites Tested
5.8M
Data Processed
20.9 TB
Unless otherwise noted, the metrics in all of the 20 chapters of the Web Almanac are sourced from the HTTP Archive dataset. HTTP Archive is a community-run project that has been tracking how the web is built since 2010. Using WebPageTest and Lighthouse under the hood, metadata about nearly 6 million websites are tested monthly and included in a public BigQuery database for analysis. The July 2019 dataset was used as the basis for the Web Almanac's metrics. For more information, see the Methodology page.
Learn about our Methodology
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