What are cookies?
Cookies are small text files placed on your device when you visit a website. They are widely used to make websites work correctly, remember your preferences, and provide information to site owners about how their site is being used.
Cookies are not programs — they cannot run code or deliver viruses. They are simply data files that help websites function and improve the user experience.
How we use cookies
Depth of Light Ltd uses a limited number of cookies on this website. We do not sell or share your cookie data with third parties for advertising purposes. Our cookies fall into two categories: strictly necessary cookies that make the site work, and analytics cookies that help us understand how visitors use the site so we can improve it.
Cookies we use
Strictly necessary cookies
These cookies are required for the website to function and cannot be switched off in our systems. They are usually set in response to actions you take, such as submitting a contact form or using the solar calculator. They do not store any personally identifiable information.
| Cookie name | Provider | Purpose | Duration |
|---|---|---|---|
| wordpress_* | This site | WordPress session management | Session |
| wp-settings-* | This site | WordPress admin preferences (admin users only) | 1 year |
| PHPSESSID | This site | Maintains your session state across page requests | Session |
Analytics cookies
We use Google Analytics 4 to understand how visitors interact with the website. This helps us identify which pages are most useful, where visitors come from, and how to improve the site. Google Analytics collects data in an anonymised form and does not identify individual users.
By using this website, you consent to analytics cookies being placed on your device. You can withdraw consent at any time using the methods described below.
| Cookie name | Provider | Purpose | Duration |
|---|---|---|---|
| _ga | Distinguishes unique users by assigning a randomly generated number | 2 years | |
| _ga_* | Google Analytics 4 — used to persist session state | 2 years | |
| _gid | Distinguishes users (short-term) | 24 hours | |
| _gat | Throttles request rate to Google Analytics | 1 minute |
Third-party cookies
Some pages on this website may include content from third-party services (such as embedded maps or social media links). These third parties may set their own cookies when you interact with their content. We do not control these cookies and you should review the relevant third party's privacy policy for more information.
Your rights under UK GDPR
Under the UK General Data Protection Regulation (UK GDPR) and the Privacy and Electronic Communications Regulations (PECR), you have the right to:
- Withdraw consent to analytics cookies at any time, without affecting the lawfulness of processing based on consent before withdrawal
- Access the personal data we hold about you
- Request deletion of your personal data, subject to legal obligations
- Object to processing of your personal data in certain circumstances
To exercise any of these rights, contact us at info@depthoflight.co.uk.
How to manage and delete cookies
You have full control over cookies in your browser. You can block all cookies, delete existing cookies, or set your browser to notify you when a cookie is being placed. However, blocking strictly necessary cookies may affect how the website functions.
Instructions for the most common browsers:
- Google Chrome: Settings → Privacy and security → Cookies and other site data
- Mozilla Firefox: Settings → Privacy & Security → Cookies and Site Data
- Apple Safari: Preferences → Privacy → Manage Website Data
- Microsoft Edge: Settings → Cookies and site permissions
To opt out of Google Analytics across all websites, you can install the Google Analytics Opt-out Browser Add-on.
Cookie duration and renewal
Session cookies are deleted automatically when you close your browser. Persistent cookies remain on your device for the duration shown in the table above, unless you delete them manually or they are cleared by your browser settings.
Changes to this policy
We review and update this cookie policy periodically. Any material changes will be posted on this page with an updated "Last updated" date at the top. We encourage you to check this page occasionally to stay informed about how we use cookies.
Contact us
If you have any questions about our use of cookies or this policy, please contact us:
Depth of Light LtdFirst Floor 2, Bond Avenue, Bletchley, Milton Keynes, MK1 1SW
Email: info@depthoflight.co.uk
Phone: 07516 762540