Regional University Computing Center Kaiserslautern-Landau

Link error

avoid, find and correct,

Example element from the frontend: The error 404 - Page not found is shown. In the right section of the image there is a picture of a lighthouse standing on a rock. To the left of it is the sea. The picture was taken at night. — Example element from the frontend: Error 404 - Page not found

Incorrect links always lead to an interruption of the page visit and a negative experience for the page visitor. Often a page is then left completely and the site visitor looks for an alternative way to the desired information. This should be avoided.

How dolink errors?

Internal links are lost if ...
- the link target has been deleted
- the link target has been deactivated
External links can be incorrect because
- the target URL was entered incorrectly
- the target URL has changed
- the page of the target URL has been removed

Avoid link errors in advance:

Wherever possible, work with internal links. In Typo3 you can link _anything_ internally as long as it is in a shared Typo3 instance.
Before you delete a page, a file or, more rarely, a content element, check how many elements link to it. (Click on "Info" in the context menu of the element and then look under "References to this object").
It is better not to type an external URL yourself ;)
Copy external URLs from the address bar of your browser after you have viewed the target page and use this URL.
Use the link validator regularly to find link errors.
The link validator may also tell you if an external URL is redirected. This means that the actual URL has changed. In this case, please replace the URL with the latest address of a page. Redirects are usually only temporary.

Instructions

Step 1

Go to the"Info" module and click on"Link validation" in the drop-down menu at the top right of the editing area.

Example element from the Typo3 backend: On the left in the module bar, a box highlights the Info field. On the right, a box is placed around the drop-down menu, which is expanded. The mouse pointer points to Link validation. — Example element from the Typo3 backend: Link validation.

Step 2

Click on the root page of an areain thepage tree. (e.g. Services - Email and WWW)
All link errors are now displayed in the"Report" tab in the editing area.

Example element from the Typo3 backend: The page tree is shown on the left. A page is selected there. In the right part of the image, the Report tab is selected at the top left. Below this is a box in the middle which highlights the number of broken links. However, the number is zero. At the bottom is another box that highlights the message "No broken links to display!". — Example element from the Typo3 backend: Do not display broken links!

Step 3

3. if you do not see any errors, you can perform a manual check in the"Check links" tab. Select the type of links and the tree depth in which you want to search. It may take a moment for the search to be completed.

Example element from the Typo3 backend: The page tree with a selected page can be seen in the left part of the illustration. On the right-hand side, a box highlights the Check links tab. Another one is located above the checkboxes that are to be set if external, internal or file links are to be selected. There is another box at the bottom, which the mouse also points to. It says Check links. — Example element from the Typo3 backend: Check links

Step 4

You must then switch back to"Report" and click on "Refresh view".
In the error report you will see a list of link errors with link text, link target and the error message. To correct these, click on the editing pencil on the right and the corresponding element can be corrected directly.

ClickSave and then correct the next error.

Example element from the Typo3 backend: The editing area is shown in the illustration. A box highlights the number of broken links. Another one marks the Update view button. Below this is a list of link errors. — Example element from the Typo3 backend: Number of broken links and list of link errors

Video instructions

In addition to the step-by-step instructions, we also have these video instructions for you. This was originally made for colleagues, but can of course also help you.

Watch the video in the video portal

Official documentation - Linkvalidator (EN)

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Link error

avoid, find and correct,

Instructions

Step 1

Step 2

Step 3

Step 4

Video instructions

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