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Les-Tilleuls.coop HTTP/2 & Symfony

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Les-Tilleuls.coop Kévin Dunglas ❏ ❏ WebLink ❏ @dunglas

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Les-Tilleuls.coop Self-managed ⬆ ➡ Les-Tilleuls.coop

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Les-Tilleuls.coop HTTP, powering the web since 1989 Tim Berners Lee

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Les-Tilleuls.coop 1991: HTTP 0.9 ❏ ❏ ❏ ❏ hypermedia ❏ ❏ ❏ Simple 1 line protocol

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Les-Tilleuls.coop $ telnet les-tilleuls.coop 80 Connected to les-tilleuls.coop. GET /en/jobs Hello Symfony Folks Connection closed by foreign host.

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Les-Tilleuls.coop

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Les-Tilleuls.coop 1996: HTTP 1.0 ❏ headers ❏ ❏ ❏ ❏ ❏ ❏

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Les-Tilleuls.coop $ telnet les-tilleuls.com 80 GET /en/jobs HTTP/1.0 User-Agent: MyBrowser Accept: text/html HTTP/1.0 200 OK Content-Type: text/html …

Hi sfPot

Connection closed by foreign host.

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Les-Tilleuls.coop 1997: HTTP 1.1 ❏ 1st official internet standard (RFC 2068) ❏ ❏ ❏ ❏ ❏ ❏

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Les-Tilleuls.coop $ telnet les-tilleuls.com 80 GET /en/jobs HTTP/1.1 Host: les-tilleuls.coop [...] HTTP/1.1 200 OK Transfer-Encoding: chunked ➡

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Les-Tilleuls.coop 100 0 GET /favicon.ico HTTP/1.1 [headers] GET /style.css HTTP/1.1 Connection: close [headers] HTTP/1.1 200 OK [body] HTTP/1.1 200 OK [body]

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Les-Tilleuls.coop HTTP/2 (aka h2)

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Les-Tilleuls.coop 2015: HTTP/2 ❏ ❏ Binary protocol ❏ ❏ ❏ QUIC ❏ High-level compatibility with HTTP 1 ❏

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Les-Tilleuls.coop http://qnimate.com/what-is-multiplexing-in-http2/ Multiplexing

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Les-Tilleuls.coop

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Les-Tilleuls.coop Supported by 82% of end users

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Les-Tilleuls.coop Cloudways

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Les-Tilleuls.coop ● ● ●

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Les-Tilleuls.coop h2 and PHP, server-side

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Les-Tilleuls.coop h2 and PHP: server-side 3. No change to the PHP app ✌

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Les-Tilleuls.coop h2 and PHP: Nginx server { listen 443 ssl http2; # ssl_certificate config # fastcgi_pass config } ❏ No Push hint support

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Les-Tilleuls.coop h2 and PHP: Apache Listen 443 SSLEngine on # SSL config Protocols h2 http/1.1 ❏ Push hint support

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Les-Tilleuls.coop h2 and PHP: alternative ❏ ❏ ❏ ❏ ❏ ❏

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Les-Tilleuls.coop h2 and PHP, client-side

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Les-Tilleuls.coop cURL

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Les-Tilleuls.coop Guzzle Use https://github.com/csarrazi/CsaGuzzleBundle

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Les-Tilleuls.coop H2 Push & hints ⚡

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Les-Tilleuls.coop Specifications W3C’s Preload ❏ ❏ W3C’s Resource Hints ❏

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Les-Tilleuls.coop Hint the server, the proxy or the client with a Link header...

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Les-Tilleuls.coop The server or the proxy may push the linked resource using h2 nopush attribute: prevent h2 push but let the client send an early request.

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Les-Tilleuls.coop Other standard rel types ❏ dns_prefetch ❏ preconnect ❏ prefetch ❏ prerender

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Les-Tilleuls.coop The Symfony WebLink Component

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Les-Tilleuls.coop Symfony Weblink Component ❏ Link ❏ ❏ ❏ ❏ ❏

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Les-Tilleuls.coop Install composer req symfony/weblink Or with Flex: composer req weblink

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Les-Tilleuls.coop Standalone usage

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Les-Tilleuls.coop In Symfony

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Les-Tilleuls.coop In Twig

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Les-Tilleuls.coop Resulting Header

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Les-Tilleuls.coop In the Browser

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Les-Tilleuls.coop Other Built-in Twig Helpers ❏ link() ❏ preload() ❏ dns_prefetch() ❏ preconnect() ❏ prefetch() ❏ prerender()