Cookies are small files a website stores in your browser. This page lists the cookies PlaguePrimer may set, who sets them, what they do and how long they last, and how you can turn them off. How we handle the information they collect is set out in our privacy policy.
We don't use advertising cookies, and the site has no social media buttons or embedded videos that set cookies of their own.
Defaults by region
- EEA, UK and Switzerland: analytics cookies are off until you turn them on.
- Everywhere else: analytics cookies are on until you turn them off.
Only the strictly necessary items below are used regardless of your choice.
Strictly necessary
These keep the site secure and remember your cookie choice. The site can't work properly without them, so they can't be turned off here.
| Name | Set by | What it does | How long it lasts |
|---|---|---|---|
cookie-consent (local storage, not a cookie) | PlaguePrimer | Remembers whether you turned analytics on or off. Set only once you make a choice. | Until you clear your browser's site data |
__cf_bm | Cloudflare | Helps tell people from automated traffic. Set only when Cloudflare's bot protection is active. | 30 minutes |
cf_clearance | Cloudflare | Records that your browser passed a Cloudflare security check, so you aren't asked again. Set only if a check is shown. | Usually 30 minutes |
Analytics
These are set only when analytics is on, either by default in your region or because you turned it on.
| Name | Set by | What it does | How long it lasts |
|---|---|---|---|
_ga | Google Analytics | Tells one visitor's browser from another's. | 2 years |
_ga_<ID> | Google Analytics | Keeps track of the current visit. <ID> is our analytics property ID. | 2 years |
_clck | Microsoft Clarity | Keeps a random Clarity ID for your browser on this site. | 1 year |
_clsk | Microsoft Clarity | Links the page views in one visit into a single recording. | 1 day |
Clarity may also set cookies on Microsoft's own domains, which many browsers
block as third-party cookies. Microsoft lists them as CLID (recognizes a
browser across sites that use Clarity, 1 year), MUID (identifies a browser
across Microsoft sites, 1 year), ANONCHK (10 minutes), MR (7 days) and
SM (until you close the browser). Clarity says it does not use them for
advertising.
What these tools collect and how long Google and Microsoft keep the data is explained in our privacy policy.
How to change your choice
Use the button below, or the Cookie settings link at the foot of every page, to turn analytics on or off. The change takes effect straight away.
- Turning analytics off stops new data being collected and deletes the Google Analytics and Clarity cookies this site has already set. Cookies on Microsoft's own domains can only be removed in your browser's settings.
- Blocking cookies. Most browsers let you block or delete cookies for all sites or for particular ones, usually under privacy or site data. The site works normally with analytics cookies blocked.
- Google's opt-out tool. Google offers a browser add-on that stops Google Analytics on every site you visit.
Changes to this policy
If we add or remove a cookie, we will update this page and the "Last updated" date at the top. Questions about cookies can go to support@plagueprimer.com.