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Webbrowsing with Konqueror
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Chapter 9. Webbrowsing with Konqueror

Konqueror is KDE's open source, standards compliant webbrowser. It's home page is http://www.konqueror.org where a Konqueror specific FAQ can be found.

9.1. Where does the name Konqueror come from?
9.2. Can I run Konqueror without running KDE?
9.3. Why doesn't Konqueror show the contents of an image's ALT attribute in a tooltip?
9.4. How do I use Konqueror as a web browser with a proxy?
9.5. How do I import bookmarks from another browser into Konqueror ?
9.6. How can I make Konqueror only show certain bookmarks in the bookmarks toolbar?
9.7. How do I fool a site into believing Konqueror is Netscape or some other browser?
9.8. Konqueror is taking a really long time to load webpages, what could cause this?
9.9. How do I configure Konqueror to run Java applets?
9.10. How do I block unrequested popup windows in Konqueror?
9.11. Why doesn't my banking site work with Konqueror? It pops up a new window with the login screen in other browsers, but not in Konqueror.
9.12. Can Konqueror use user-specified stylesheets, like those in the Firefox adblock extention?
9.13. Why does Konqueror display a plain grey square when I try to view flash animations, even though the flash plugin is installed?
9.14. Why can't Konqueror render GIF images?
9.15. When I try to open a web page with Konqueror, I get the message: There appears to be a configuration error. You have associated Konqueror with text/html, but it cannot handle this file type.
9.1.

Where does the name Konqueror come from?

It's a word play on the other browsers' names. After the Navigator and the Explorer comes the Conqueror; it's spelled with a K to show that it's part of KDE. The name change also moves away from “kfm” (the KDE file manager, Konqueror's predecessor) which represented only file management.

9.2.

Can I run Konqueror without running KDE?

Yes. Just install Qt™, kdelibs and kdebase, and from your favorite window manager just launch Konqueror. It should work just fine, but if it doesn't (KDE developers don't test that case often), report it to http://bugs.kde.org and try running "kdeinit" before running Konqueror, it usually helps. This is of course the same for any other KDE application.

9.3.

Why doesn't Konqueror show the contents of an image's ALT attribute in a tooltip?

There is no standard that states the ALT attribute should appear as a tooltip. The specification calls for ALT to be displayed in place of the image, as in text-mode only browsers such at lynx or w3m. Abusing the ALT attribute is bad for accessibility. Tooltips are supposed to come from the TITLE attribute and this is implemented in Konqueror

9.4.

How do I use Konqueror as a web browser with a proxy?

Konqueror can be used with HTTP and FTP proxies. To set up the proxy server in Konqueror, just select Settings->Configure Konqueror... from the Konqueror menu and go to the Proxy tab.

9.5.

How do I import bookmarks from another browser into Konqueror ?

To import bookmarks from another browser into Konqueror select BookmarksEdit Bookmarks and then in the Bookmark Editor select FileImport. Then select the browser you would like to import bookmarks from. In the Open dialog, navigate to the location of the folder or file your bookmarks are contained in and click Open

9.6.

How can I make Konqueror only show certain bookmarks in the bookmarks toolbar?

In Konqueror go to Settings->Configure Konqueror.... Then select Web Behaviour from the icon list. Under the Bookmarks heading, place a check in the box next to Show only marked bookmarks in bookmark toolbar. Now in the Bookmark Editor an option to Show in Toolbar appears on clicking with the right mouse button on any bookmark entry or in the Edit menu when the entry is highlighted. Folders can also be shown in the bookmarks toolbar in much the same way.

9.7.

How do I fool a site into believing Konqueror is Netscape® or some other browser?

In Konqueror, select Settings->Configure Konqueror... and in the configuration dialog, select Browser Identification. Default and site-specific browser identifications can be set from here.

9.8.

Konqueror is taking a really long time to load webpages, what could cause this?

Quite often Konqueror loading webpages slowly is caused by DNS servers with broken IPV6 support. Adding the following to /etc/profile or any other script that is sourced on login should solve this problem:

export KDE_NO_IPV6=true

for bourne compatible shells, and for C-style shells:

setenv KDE_NO_IPV6 true

9.9.

How do I configure Konqueror to run Java™ applets?

Choose Settings->Configure Konqueror... from Konqueror's menubar and then select Java & Javascript. Set the Path to Java executable correctly. If it doesn't work, please check the Konqueror + Java HOWTO.

9.10.

How do I block unrequested popup windows in Konqueror?

Konqueror has a new 'smart' policy for JavaScript popups. From the Konqueror main window, select Settings->Configure Konqueror... and then Java & JavaScript. On the JavaScript tab, under Global JavaScript Policies set the radio button beside Open new windows: to Smart.

9.11.

Why doesn't my banking site work with Konqueror? It pops up a new window with the login screen in other browsers, but not in Konqueror.

Make sure you have Javascript enabled, and the default JavaScript web popups policy set to Ask or Allow. The Smart policy is not always sufficient for some banks. Many banks also require Java™ support. You can find more help on enabling this at http://www.konqueror.org/.

9.12.

Can Konqueror use user-specified stylesheets, like those in the Firefox adblock extention?

Yes, you can set Konqueror to use any kind of valid css stylesheet to filter webcontent or improve accessibility. From the Konqueror main window simply click Settings->Configure Konqueror... and select Stylesheets. Set the radio button to Use user-defined stylesheet and browse to where the stylesheet you want to use is located. Alternatively, you can select Use accessibility stylesheet defined in "Customize" tab and then set your own options.

An example of css rules that implement ad blocking can be found at: http://www.mozilla.org/support/firefox/adblock.

9.13.

Why does Konqueror display a plain grey square when I try to view flash animations, even though the flash plugin is installed?

Under the latest versions of X.org, having the composite extension loaded can cause problems with the flash plugin. Try disabling the composite extension and see if normal flash operation is restored.

9.14.

Why can't Konqueror render GIF images?

It is because you did not enable GIF support in Qt™. Please see Q: 4.20 for more details.

9.15.

When I try to open a web page with Konqueror, I get the message: “There appears to be a configuration error. You have associated Konqueror with text/html, but it cannot handle this file type.

You need to make sure that the embedding settings for the text/html MIME type are correct:

  1. In Konqueror, go to Settings->Configure Konqueror... and then to the File Associations page.

  2. Open text->html in the tree view.

  3. Click on the Embedding tab. Make sure that Left Click Action is set to Show file in embedded viewer, and that KHTML (khtml) is at the top of Services Preference Order.

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