The dataset maps the accessibility and usability of municipal websites in mainland Finland for immigrants. Background information in the dataset was collected from Statistics Finland's population database.

The first part of the study mapped the content of the websites of municipalities in mainland Finland. Regarding website content, the study investigated whether the sites provide information on topics such as housing and construction, youth affairs, or the COVID-19 situation. Next, the presence of a dedicated section for immigrants on the municipal websites was examined, along with the types of information provided in that section. The analysis examined, for example, whether the immigrant sections included information about healthcare, public transportation, or housing services. Additionally, it was assessed whether the section mentioned services not provided by the municipality and what language the immigrant section was written in. After this, the features of Finnish-language web pages intended for immigrants were evaluated, such as whether the website has clear headings or whether its content has been simplified into plain language. Finally, it was examined whether information related to the municipality's social and health services is provided on a separate social and health website. Finnish-language social services websites were also assessed based on their features, such as the clarity of the language and the findability of information.

The background variables of the dataset include the name of the municipality, the total number of residents, the number and percentage of residents who speak foreign languages, as well as the languages spoken by foreign-language residents and the number of speakers of each language.