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Favicon not correctly implemented.

Status
Closed
Subject
Favicon not correctly implemented.
Version
1.9.x
Category
  • Error
  • Usability
Feature
Theme: Look & feel, Styles, CSS, Theme Control Center
Meta Tag
Resolution status
Out of Date
Submitted by
SeanBDurkin
Lastmod by
drsassafras
Rating
(0)
Description

The implementation of favicons is incorrect for types other than .png.

Tiki currently renders the favicon as:

Current rendering
<link rel="icon" href="favicon.png" />


Notice that there is no declaration of MIME type (very bad). If you goto Administration | Look & feel | Other, there is a pull-down box to select the favicon icon MIME type, which gives choices:

  • image/png
  • image/bmp (wrong!)
  • image/x-icon (wrong!)


None of these selections actually effect the LINK tag! In other words, someone forgot to implement the MIME attribute of the link tag. Even if it was implemented, these choices would be wrong (see solution).

Also on the Look & feel | Other page, there is a 32 character limit on the favicon icon file name. This limit is too small and is problematic for sites where the favicon is not located in the tiki root directory.

Solution

(1) Correctly implement favicons. Here are 3 excellent resources for that purpose:


For standard browsers the correct rendoring should be either:

<link rel="icon" type="image/vnd.microsoft.icon" href="http://example.com/image.ico">
<link rel="icon" type="image/png" href="http://example.com/image.png">
<link rel="icon" type="image/gif" href="http://example.com/image.gif">
<link rel="icon" type="image/jpeg" href="http://example.com/image.jpg">


For Internet Explorer, versions 5 to 7

<link rel="SHORTCUT ICON" href="http://http://example.com/image.ico"/>


I dont know about IE support for non-.ico type favicons.

(2) Menu choices should be updated to:

  • Auto (MIME type guessed from file extension)
  • image/vnd.microsoft.icon
  • image/png
  • image/gif
  • image/jpeg


(3) The character limit for favicon URL (it should be called URL not file-name), should be extended to something like 132 characters.

Workaround
According to the wiki page, it looks like the current implementation is perhaps overkill now, as specifying a favicon with the link tag is no longer required.
Importance
5
Demonstrate Bug
Please demonstrate your bug on show2.tikiwiki.org

 About show2.tikiwiki.org

To help developers solve the bug, we kindly request that you demonstrate your bug on a show2.tikiwiki.org instance. To start, simply select a version and click on "Create show2.tikiwiki.org instance". Once the instance is ready (in a minute or two), as indicated in the status window below, you can then access that instance, login (the initial admin username/password is "admin") and configure the Tiki to demonstrate your bug. Priority will be given to bugs that have been demonstrated on show2.tikiwiki.org.

Version: Create show2.tikiwiki.org instance
Ticket ID
2728
Created
Sunday 06 September, 2009 05:55:40 GMT-0000
LastModif
Thursday 17 November, 2016 04:35:29 GMT-0000

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