With your permission we use Google Analytics and Microsoft Clarity to see which pages
people read and where the site gets in their way. Nothing is set until you choose, and
you can change your mind any time from Cookie settings at the foot of the page.
Cookie policy
Necessary
Remembers this choice in your browser. It is not a cookie and is never sent anywhere.
Always on
Google Analytics counts visits and enquiries. Microsoft Clarity records how pages are
scrolled and clicked, with anything typed into the enquiry form masked.
Every cookie this site can set, who sets it, what it is for and how long it lasts — and how to take back a yes.
Last updated
In short
This site sets no cookies unless you agree to analytics. If you do, Google Analytics 4 and Microsoft Clarity set the cookies listed below so Delta can see how the site is used. If you refuse, or never answer, none of them is set.
How the information they collect is handled is in the privacy notice.
Necessary
Two things are kept in your browser’s own storage rather than in cookies, and neither is ever sent to Delta or anyone else. They need no consent because they do only what you asked for.
Necessary browser storage
Name
Set by
What it does
Kept for
dms-consent
This site, in your browser
Remembers whether you accepted or rejected analytics, so you are not asked on every page.
12 months, then you are asked again
dms-quote-draft
This site, in your browser
Keeps what you have typed into the enquiry form if you leave the page before sending it.
Until the enquiry is sent
Analytics, with your consent
Google Analytics 4 counts visits: which pages are read, how people arrive, what kind of device they use, roughly where they are, and whether they called, emailed or sent an enquiry. Google keeps this data for 14 months.
Microsoft Clarity records how pages are scrolled and clicked, and turns that into heatmaps and session replays, so Delta can see where the site gets in people’s way. Anything typed into the enquiry form is masked before it leaves your browser. Clarity keeps recordings for 30 days and click and heatmap data for 13 months.
Neither is used for advertising: the site tells both tools that advertising storage and personalisation are refused, whatever you choose.
Analytics cookies
Name
Set by
What it does
Kept for
_ga
Google Analytics
A random ID that tells one visitor’s visits apart from another’s.
2 years
_ga_QVT3CMES4F
Google Analytics
Keeps track of the current visit.
2 years
_clck
Microsoft Clarity
A random Clarity ID, so repeat visits to this site are counted as one visitor.
1 year
_clsk
Microsoft Clarity
Joins the pages of one visit into a single session recording.
1 day
CLID
Microsoft Clarity, on clarity.ms
Notes when Clarity first saw this browser on any site that uses it.
1 year
Changing your mind
Cookie settings, at the foot of every page and below, reopens the question. Rejecting after accepting deletes the analytics cookies this site set and stops both tools from running.