Details about cookies on the Modern slavery statement registry

The Modern slavery statement registry puts small files (known as ‘cookies’) onto your computer to collect information about how you browse the site. Find out more about the cookies we use, what they’re for and when they expire.

Cookies that measure website usage

We use Google Analytics software (Universal Analytics) to collect anonymised information about how you use the Modern slavery statement registry. We do this to help make sure the site is meeting the needs of its users and to help us make improvements to the site and to government digital services.

We do not allow Google to use or share the data about how you use this site.

Google Analytics stores information about:

  • how you got to the site
  • the pages you visit on the service and how long you spend on them
  • what you click on while you’re visiting the site

Google Analytics sets the following cookies:

Name Purpose Expires
_ga This helps us count how many people visit the service by tracking if you’ve visited before 2 years
_gid This helps us count how many people visit the service by tracking if you’ve visited before 24 hours
_gat This helps Google to manage the rate at which they track your site interactions (when high traffic occurs) 1 minute
_gat_govuk_shared This helps Google to manage the rate at which they track your site interactions (when high traffic occurs) 1 minute

Cookies measuring system performance

We use Microsoft Azure Application Insights software to measure system performance to see if there is anything that is not working in the way it should.

We do not allow Microsoft to use or share the data about how you use this site.

Application Insights stores information about:

  • the pages you visit on the service
  • details about the site's performance, for example how long each page takes to load

Application Insights sets the following cookies:

Name Purpose Expires
ai_session This helps Application Insights understand the performance of the site during a single visit 30 minutes
ai_user This helps Application Insights understand how the performance of the site varies between different users 1 year

Strictly necessary cookies

Logging in to the service

To add a modern slavery statement to the registry, you have to log in to the service. The following cookies are used as part of this log in process.

Name Purpose Expires
idsrv.session Used during the log in process When you close your browser
idsrv Used during the log in process When you close your browser
.AspNetCore.Correlation.* Used during the log in process 15 minutes
.AspNetCore.OpenIdConnect.* Used during the log in process 15 minutes
.AspNetCore.Cookies Used to keep you logged in to the section of the site where you enter your statement details When you close your browser

Your progress when using the service

When you use the service, we’ll set a cookie to remember your progress through the forms. These cookies do not store your personal data.

Name Purpose Expires
.AspNetCore.Session Saves your progress through the forms on the site. When you close your browser
.AspNetCore.Antiforgery.* Helps to keep the site secure - so only users who are logged in can submit statement details When you close your browser

Cookies message

You may see a banner when you visit the Modern slavery statement registry inviting you to accept additional cookies or review your settings. We’ll set cookies so that your computer knows you’ve seen it and not to show it again, and also to store your settings.

Name Purpose Expires
seen_cookie_message Lets us know that you’ve seen our cookie message 1 year
cookie_settings Saves your cookie consent settings 1 year

Change your settings

You can change which cookies you’re happy for us to use.