| Summary: | Chrome Browser Performance Problems with 2.11 Core64 | ||
|---|---|---|---|
| Product: | IPFire | Reporter: | Jörn-Ingo Weigert <jiweigert> |
| Component: | --- | Assignee: | Jörn-Ingo Weigert <jiweigert> |
| Status: | CLOSED FIXED | QA Contact: | |
| Severity: | Minor Usability | ||
| Priority: | - Unknown - | CC: | arne.fitzenreiter, michael.tremer, stefan.schantl |
| Version: | 2 | ||
| Hardware: | unspecified | ||
| OS: | Unspecified | ||
Hello, i have strange Browser Rendering Problems with aktual Browser Chrome while displaying the Maintenance Page of update-accelerator which contents more than 3500 rows in the "files in cache table" After doin some test with perfomance tools esp. "Page Speed" I found out that it is not a problem of network or delivery problem of my server but of a lack of correct sending xhtml Response-Headers / Document Declaration. Here what I've changed and it would be great if it could be tested and integrated into the standard configuration. In /var/ipfire/header.pl (sub showheaders) I added The Content-Type line: sub showhttpheaders { print <<END Pragma: no-cache Cache-Control: no-cache Connection: close Content-Type: text/html; charset=UTF-8 (recommendation from microsoft for IE8) END ; } In the function.pl of Theme ipfire I... : - added one line <?xml [...]encode=utf-8?> Declaration - modified the <html> - Parameter - delete the Meta-Tag <meta name="Content-Type" [...] > (it prevents the IE8 from lookahead downloading Link: http://blogs.msdn.com/b/ieinternals/archive/2010/04/01/ie8-lookahead-downloader-fixed.aspx - moved the Variable $extraheads behind the call for style.css (may prevent parallel download of css & scripts while parsing javascript) Here the modified stripped-out Header-section of Theme "ipfire" (should be changed for "maniac" too) it have to be changed twice there... /srv/web/ipfire/themes/ipfire/include/function.pl: 8<----------------------- <?xml version='1.0' encoding='UTF-8'?> <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'> <html xmlns='http://www.w3.org/1999/xhtml'> <head> <title>$title</title> END ; if ($settings{'FX'} ne 'off') { print <<END <meta http-equiv='Page-Enter' content='blendTrans(Duration=0.5,Transition=12)' /> <meta http-equiv='Page-Exit' content='blendTrans(Duration=0.5,Transition=12)' /> END ; } print <<END <link rel='shortcut icon' href='/favicon.ico' /> <link rel='stylesheet' type='text/css' href='/themes/ipfire/include/style.css' /> $extrahead END ; >8------------------------->8 With that, I reduced the rendering speed from 3+ min to ~20 seconds ... Optional it would be great to enable mod_deflate-compression in loadmodules.conf and ipfire-ssl.conf to reduce the HTML-Output. I experienced no problems with the example config for mod_deflate out of the recent module documentation. Kind regards, nightshift PS: Sorry not adding any diff-files but forgot to save the original Files ... uppps *blush*