Press releases

Fastly Announces HTTP/3 and QUIC Support

HTTP/3 and QUIC are primed to speed up internet response times, set the standard for built-in encryption, and enable greater accessibility worldwide

SAN FRANCISCO, Calif. (April 30, 2020) — Fastly, Inc. (NYSE: FSLY), provider of a global edge cloud platform, today announced support for HTTP/3 and QUIC — the web’s newest protocols, built to power the modern internet. HTTP/3 and QUIC are primed to modernize the internet in a number of ways: faster response times, greater accessibility worldwide, and setting the standard for built-in encryption, just to name a few.

As the world becomes increasingly web-reliant, the demand for a more secure and dependable internet increases, driving the need to find better performing and more secure alternatives to the incumbent HTTP/2 and TCP protocols. HTTP/3 is the newest evolution of the Hypertext Transfer Protocol, and QUIC is the always-encrypted transport protocol underneath it. Through HTTP/3 and QUIC, Fastly customers can provide a better digital experience for their end users, ensuring confidential and secure connections.

“Now more than ever before, the internet has become an essential part of our lives, making lower-than-average internet performance an even greater systematic disadvantage for our end users,” explained Jana Iyengar, Distinguished Engineer at Fastly, and an editor in the IETF's QUIC working group. “QUIC has the potential to not only provide safer digital experiences, but faster and more efficient ones. We believe that QUIC will be a game changer for people all over the world, especially for users who aren't well-served by the current internet.”

Fastly’s support for these new standards allows delivery of even better and faster digital experiences to its global customers. Fastly’s QUIC support provides:

  • Faster web pages: HTTP/3 and QUIC minimize head-of-line blocking and reduce handshake latency, significantly reducing page load time.

  • Better streaming: In addition, QUIC also improves network performance overall, significantly reducing start-up time and rebuffering of video and audio streams.

  • Turn-key security: TLS 1.3 — the latest version of the Transport Layer Security protocol — is built directly into QUIC and secures headers and metadata from third parties, allowing more private, trustworthy connections than ever before.

  • Seamless integration: Because QUIC runs in userspace, it integrates seamlessly with Fastly’s tooling, tracing, and logging infrastructure, making it easier for Fastly developers to run experiments and initiate rapid deployment and evolution of sites and apps.

To learn more about Fastly’s beta program and implementation of HTTP/3 and QUIC, visit: and email

About Fastly

Fastly helps people stay better connected with the things they love. Fastly’s edge cloud platform enables customers to create great digital experiences quickly, securely, and reliably by processing, serving, and securing our customers’ applications as close to their end-users as possible — at the edge of the internet. Fastly’s platform is designed to take advantage of the modern internet, to be programmable, and to support agile software development with unmatched visibility and minimal latency, empowering developers to innovate with both performance and security. Fastly’s customers include many of the world’s most prominent companies, including Pinterest, The New York Times, and GitHub.

Forward Looking Statements

This press release contains “forward-looking” statements that are based on Fastly’s beliefs and assumptions and on information currently available to Fastly on the date of this press release. Forward-looking statements may involve known and unknown risks, uncertainties, and other factors that may cause its actual results, performance, or achievements to be materially different from those expressed or implied by the forward-looking statements. These statements include, but are not limited to, those regarding the ability of Fastly customers to provide a better digital experience for their end users and to ensure confidential and secure connections through HTTP/3 and QUIC, the ability of QUIC to provide safer, better, and faster digital experiences, and the expected impact and reach of QUIC generally. Except as required by law, Fastly assumes no obligation to update these forward-looking statements publicly, or to update the reasons actual results could differ materially from those anticipated in the forward-looking statements, even if new information becomes available in the future. Important factors that could cause Fastly’s actual results to differ materially are detailed from time to time in the reports Fastly files with the Securities and Exchange Commission (SEC), including in its Annual Report on Form 10-K for the year ended December 31, 2019. Copies of reports filed with the SEC are posted on Fastly’s website and are available from Fastly without charge.

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