The web address for Data catalogue is https://datakatalogi.helsinki.fi
Data catalogue gathers information on research data produced at the University of Helsinki. It does not contain the research data itself, but their metadata, i.e., information on where the data can be found and how to use it. Metadata from several sources are continuously stored in Data catalogue.
Data catalogue was established on 1st of May 2025.
Following significant changes, Data catalogue was updated on 25th of July 2025.
Data catalogue contains content published in the service by users or other third parties. Such content is not produced, funded or supervised by the service provider.
Helsinki University Library is responsible for the accessibility of the user interface. Helsinki University Library has assessed the accessibility of the user interface.
This statement was created on August 12th, 2025.
The website is not yet fully compliant with all the requirements.
The following accessibility deficiencies have been identified in the Data catalogue user interface.
When the search bar is opened on mobile devices, it partially covers the heading. The burger menu cannot be clicked, and it does not open, at least not on an iPhone 15.
Accessibility requirements that are not met
1.4.10 Reflow
“Have you forgotten your password?” button doesn’t stand out clearly from the background.
Accessibility requirements that are not met
1.4.11 Non-text Contrast
Service-cards on the front page are not accessible or visible via keyboard.
Accessibility requirements not met
2.1.1 Keyboard
2.4.7 Focus Visible
When the "Repositories" button is clicked, a List of Repositories opens, but the page title says Community list.
Accessibility requirements that are not met
2.4.2 Page Titled
There are links on the page whose purpose cannot be determined from the link text or link context.
Accessibility requirements not met
2.4.4 Link purpose (in context)
The "Statistics" button disappears from the main navigation after performing a search.
Accessibility requirements not met
3.2.3 Consistent Navigation
The website is not yet fully compliant with all the requirements.
The following accessibility deficiencies have been identified in the Data catalogue Feedback form user interface.
Feedback form has visual elements (such as form progress bar and the five-star rating) without ARIA labels that may be difficult for a screen reader to interpret. The form contains headings that do not follow a consistent hierarchy of headings.
Accessibility requirements that are not met
1.3.1 Info and relationships
4.1.2 Name, Role, Value
The "Clear" button appears in the focus order before the current focus point, which means screen reader users won’t know it’s there unless they realize they need to move backwards from their current focus.
Accessibility requirements that are not met
1.3.2 Meaningful Sequence
2.4.3 Focus Order
Adequate contrast between text and background color on the site is not met at all points on the site.
Accessibility requirements that are not met
1.4.3 Contrast (Minimum)
The burger menu cannot be clicked on mobile devices, and it does not open, at least not on an iPhone 15.
Accessibility requirements that are not met
1.4.10 Reflow
From the black buttons on the webpage, the keyboard focus is hard to see because it's black in Chrome and blue in Firefox.
Accessibility requirements not met
2.4.7 Focus Visible
Submitting the form is not possible unless all the required fields are filled but it is not described to the user in text.
Accessibility requirements that are not met
3.3.1 Error Identification
In some of the form fields a form label is present, but it is not correctly associated with a form control.
Accessibility requirements not met
3.3.2 Labels or Instructions
The website is not yet fully compliant with all the requirements.
The following accessibility deficiencies have been identified in the Data catalogue Feedback form user interface.
Screen reader doesn’t recognize the profile and language menus because of missing ARIA-labels. In sections of the form where the user selects an option, for example from a dropdown menu, a form label is present, but it is not correctly associated with a form control. In some form fields, the screen reader is unable to read the instructions located below the text field. There is no information why the form cannot be submitted, as there is no indication that some required fields are missing. The form contains headings that do not follow a consistent hierarchy of headings.
Accessibility requirements that are not met
1.3.1 Info and relationships
Adequate contrast between text and background color on the site is not met at all points on the site.
Accessibility requirements that are not met
1.4.3 Contrast (Minimum)
The menu no longer opens when the page is zoomed to 400%. The burger menu cannot be clicked on mobile devices, and it does not open, at least not on an iPhone 15.
Accessibility requirements that are not met
1.4.10 Reflow
Uploading files is not accessible via keyboard.
Accessibility requirements not met
2.1.1 Keyboard
When using the keyboard, it's no longer possible to exit the multi-select menu after opening it. When selecting a date from the calendar, it's no longer possible to exit it with the keyboard after opening it.
Accessibility requirements not met
2.1.2 No Keyboard Trap
There is no link available to skip navigation and other repeated elements when navigating from page to page.
Accessibility requirements not met
2.4.1 Bypass Blocks
The "Clear" button appears in the focus order before the current focus point. When using the keyboard, the focus always goes through the side navigation buttons first before the user can start filling out the form. After completing one page of the form and pressing the "Next" button, the focus does not move to the top of the new page but remains on the "Next" button.
Accessibility requirements not met
2.4.3 Focus Order
From the black buttons on the webpage, the keyboard focus is hard to see because it's black in Chrome and blue in Firefox.
Accessibility requirements not met
2.4.7 Focus Visible
Via an online form https://datakatalogi.helsinki.fi/create-submission/forms/view/feedback
Via email datasupport@helsinki.fi
If you notice accessibility issues on the website, please first give feedback to the Data catalogue administrator via the above channels. It may take up to 14 days to receive an answer. If you are dissatisfied with the answer or do not receive an answer within two weeks, you may file a complaint with the Finnish Transport and Communications Agency Traficom. The agency website has detailed instructions (in Finnish and Swedish only) on how to file a complaint and how the issue will be handled.
Finnish Transport and Communications Agency Traficom
Digital Accessibility Supervision Unit
saavutettavuus@traficom.fi
telephone switchboard 029 534 5000
The accessibility of Data catalogue will be improved as rapidly as possible. The aim is to address the most serious problems related to the accessibility of the user interface yearly.
In addition, University of Helsinki researchers and students are instructed in creating accessible files to ensure that the material published in Data catalogue are accessible.
Helsinki University Library supports the use of Data catalogue. The library’s customer service provides advice on the use of Data catalogue. If necessary, University of Helsinki Data support can also give advice on using Data catalogue. Data support’s email address is datasupport@helsinki.fi.