Public bug reported: Even over a high-speed connection, web fonts seem to take far too long to download for websites in which the default font is not installed on the drive of my system.
Example site with issue on my system: 'https://www.kraken.com/' Basic font family information, extracted from CSS: 'font-family:sans-serif' ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: firefox 57.0.1+build2-0ubuntu0.17.10.1 ProcVersionSignature: Ubuntu 4.13.0-21.24-lowlatency 4.13.13 Uname: Linux 4.13.0-21-lowlatency x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.20.7-0ubuntu3.6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jeb 1236 F.... pulseaudio BuildID: 20171129230227 Channel: Unavailable CurrentDesktop: ubuntu:GNOME Date: Fri Dec 29 09:23:41 2017 Extensions: extensions.sqlite corrupt or missing ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) IpRoute: default via 192.168.86.1 dev wlp1s0 proto static metric 600 169.254.0.0/16 dev wlp1s0 scope link metric 1000 192.168.86.0/24 dev wlp1s0 proto kernel scope link src 192.168.86.30 metric 600 Locales: extensions.sqlite corrupt or missing MostRecentCrashID: bp-1c664c74-b6f2-471a-9aa4-e303d1171129 PrefSources: prefs.js ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash Profiles: Profile0 (Default) - LastVersion=57.0.1/20171129230227 (In use) RunningIncompatibleAddons: False SourcePackage: firefox SubmittedCrashIDs: bp-1c664c74-b6f2-471a-9aa4-e303d1171129 Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/14/2017 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.14.0 dmi.board.name: 01DC01 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.14.0:bd09/14/2017:svnDellInc.:pnInspiron13-5368:pvr:rvnDellInc.:rn01DC01:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.family: Inspiron dmi.product.name: Inspiron 13-5368 dmi.sys.vendor: Dell Inc. ** Affects: firefox Importance: Unknown Status: Unknown ** Affects: firefox (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug artful css font html metadata perf performance speed wayland-session web webfont ** Attachment added: "Example site source code + css" https://bugs.launchpad.net/bugs/1740508/+attachment/5028738/+files/https%3A_www.kraken.zip -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1740508 Title: Web fonts take a considerable amount of time to load [over a high- speed connection] Status in Mozilla Firefox: Unknown Status in firefox package in Ubuntu: Confirmed Bug description: Even over a high-speed connection, web fonts seem to take far too long to download for websites in which the default font is not installed on the drive of my system. Example site with issue on my system: 'https://www.kraken.com/' Basic font family information, extracted from CSS: 'font-family:sans-serif' ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: firefox 57.0.1+build2-0ubuntu0.17.10.1 ProcVersionSignature: Ubuntu 4.13.0-21.24-lowlatency 4.13.13 Uname: Linux 4.13.0-21-lowlatency x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.20.7-0ubuntu3.6 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jeb 1236 F.... pulseaudio BuildID: 20171129230227 Channel: Unavailable CurrentDesktop: ubuntu:GNOME Date: Fri Dec 29 09:23:41 2017 Extensions: extensions.sqlite corrupt or missing ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) IpRoute: default via 192.168.86.1 dev wlp1s0 proto static metric 600 169.254.0.0/16 dev wlp1s0 scope link metric 1000 192.168.86.0/24 dev wlp1s0 proto kernel scope link src 192.168.86.30 metric 600 Locales: extensions.sqlite corrupt or missing MostRecentCrashID: bp-1c664c74-b6f2-471a-9aa4-e303d1171129 PrefSources: prefs.js ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash Profiles: Profile0 (Default) - LastVersion=57.0.1/20171129230227 (In use) RunningIncompatibleAddons: False SourcePackage: firefox SubmittedCrashIDs: bp-1c664c74-b6f2-471a-9aa4-e303d1171129 Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/14/2017 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.14.0 dmi.board.name: 01DC01 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.14.0:bd09/14/2017:svnDellInc.:pnInspiron13-5368:pvr:rvnDellInc.:rn01DC01:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.family: Inspiron dmi.product.name: Inspiron 13-5368 dmi.sys.vendor: Dell Inc. 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