Table of Contents

1. What Are Cookies

Cookies are small text files that are placed on your device when you visit a website. They are widely used to make websites work more efficiently, provide a better user experience, and give website owners useful information about how their site is being used.

Cookies can be:

  • Session Cookies: Temporary cookies that are deleted when you close your browser.
  • Persistent Cookies: Cookies that remain on your device for a set period of time or until you delete them.
  • First-Party Cookies: Cookies set directly by the website you are visiting.
  • Third-Party Cookies: Cookies set by a domain other than the website you are visiting.

2. Similar Tracking Technologies

In addition to cookies, we may use the following similar technologies:

  • Web Beacons (Pixel Tags): Small invisible images embedded in web pages or emails.
  • Local Storage: Browser-based storage used for saving your preferences such as dark mode settings and selected units.
  • Session Storage: Similar to local storage but cleared when the browser session ends.
  • JavaScript Tags: Code snippets used by third-party services such as Google Analytics.

For the purposes of this policy, all of the above are collectively referred to as "cookies".

3. How We Use Cookies

We use cookies for the following purposes:

3.1 To Make the Site Work (Essential)

Certain cookies are strictly necessary for the Site to function. Without these cookies, services you have asked for cannot be provided.

3.2 To Remember Your Preferences (Functional)

We use cookies to remember choices you make, such as your preferred unit system, dark mode setting, and language preference.

3.3 To Understand How You Use the Site (Analytics)

We use analytics cookies to collect information about how visitors use our Site.

3.4 To Show You Relevant Advertisements (Advertising)

We use advertising cookies, including those provided by Google AdSense, to display advertisements that are relevant to you and your interests.

4. Cookies We Use

4.1 Essential Cookies

These cookies are necessary for the website to function and cannot be switched off. They are usually set in response to actions made by you, such as setting your privacy preferences.

Cookie NameProviderPurposeTypeDuration
dc_cookie_consentDensity CalculatorStores your cookie consent preferencesFirst-party1 year
dc_themeDensity CalculatorRemembers your dark or light mode preferenceFirst-party1 year
dc_unit_systemDensity CalculatorRemembers your preferred unit system and unit profileFirst-party1 year
CONSENTGoogleStores user consent state for Google servicesThird-party2 years

4.2 Functional Cookies

These cookies enable enhanced functionality and personalization. They may be set by us or by third-party providers whose services we have added to our pages.

Cookie NameProviderPurposeTypeDuration
dc_last_calculatorDensity CalculatorRemembers the last calculator tool you usedFirst-party30 days
dc_decimal_placesDensity CalculatorStores your preferred decimal precision settingFirst-party1 year
dc_historyDensity CalculatorStores your local calculation historyFirst-party (localStorage)Until cleared

4.3 Analytics Cookies

These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our Site.

Cookie NameProviderPurposeTypeDuration
_gaGoogle AnalyticsDistinguishes unique users with a client identifierThird-party2 years
_ga_XXXXXXXXGoogle AnalyticsUsed to persist session stateThird-party2 years
_gidGoogle AnalyticsDistinguishes users and updates a value for each page visitedThird-party24 hours
_gatGoogle AnalyticsUsed to throttle request rate to Google AnalyticsThird-party1 minute

4.4 Advertising Cookies

These cookies are set through our site by our advertising partner, Google AdSense. They may be used by Google and its partners to build a profile of your interests and show you relevant advertisements on other sites.

Cookie NameProviderPurposeTypeDuration
IDEGoogle (doubleclick.net)Registers and reports user actions after viewing or clicking an adThird-party1 year
test_cookieGoogle (doubleclick.net)Checks whether the browser supports cookiesThird-party15 minutes
NIDGoogleRemembers preferences such as language and SafeSearch settingsThird-party6 months
ANIDGoogleStores information relevant to advertisingThird-party1 year
AIDGoogleStores information about website use for advertising purposesThird-party1 year
DSIDGoogleIdentifies a signed-in user on non-Google sitesThird-party2 weeks
__gadsGoogle AdSenseRegisters what ads have been displayed to the userThird-party1 year
__gpiGoogle AdSenseRegisters what ads have been displayed to the userThird-party1 year

5. Third-Party Cookies in Detail

5.1 Google AdSense

We use Google AdSense to display advertisements on our Site. Google AdSense uses cookies to serve ads based on your prior visits to our website or other websites.

Provider: Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA

Purpose: Personalized and non-personalized advertising

Privacy Policy: https://policies.google.com/privacy

Ad Settings: https://adssettings.google.com

Opt-out: https://www.google.com/settings/ads

5.2 Google Analytics

We use Google Analytics to understand how visitors interact with our Site. Google Analytics collects information anonymously and reports website trends without identifying individual visitors.

Provider: Google LLC

Purpose: Website traffic analysis and performance measurement

Privacy Policy: https://policies.google.com/privacy

Opt-out: https://tools.google.com/dlpage/gaoptout

Data Processing: https://privacy.google.com/businesses/processorterms

5.3 Google Fonts

We may use Google Fonts to display web fonts on our Site. When a page loads, your browser may send a request to Google's servers.

Provider: Google LLC

Purpose: Web font delivery

Privacy Policy: https://policies.google.com/privacy

8. Do Not Track

Some browsers have a Do Not Track (DNT) feature that signals to websites that you do not want to have your online activity tracked.

Currently, there is no universally accepted standard for how websites should respond to DNT signals. As a result, we do not currently respond to DNT browser signals. You can use the cookie management options described in Section 6 to control tracking on our Site.

10. Contact Us

If you have any questions about our use of cookies or this Cookie Policy, please contact us:

Primary Email: [email protected]

Backup Email: [email protected]

Density Calculator

Website: https://densitycalculator.net

We will respond to all cookie-related inquiries within 1-3 business days.