A cookie is a small text file or similar browser storage entry used to remember settings, understand traffic, or support advertising features.
Our core accessibility tools are designed to run in your browser. That means the most common storage on this site is for device-side preferences such as theme and consent choices.
Quick summary
We use essential storage for site functionality and preferences.
Optional analytics or advertising technologies may be used only where they are enabled and permitted by law.
Cookies and storage we set
The table below describes the first-party storage currently used to support the site experience.
| Name | Purpose | Storage | Duration |
|---|---|---|---|
theme | Remembers your light or dark theme preference. | localStorage | Until cleared |
Third-party cookies
When advertising is displayed, vendors such as Google AdSense may set cookies or use similar identifiers to measure ad performance, limit repeated ads, and personalize ads based on prior visits.
- Google AdSense / DoubleClick: supports advertising delivery, reporting, and frequency capping. You can review settings at Google Ads Settings.
- Analytics vendors: may measure visits and aggregated engagement to help us understand how the site is used.
Changing your preferences
You can update your non-essential cookie choices at any time using the "Manage cookie preferences" link in the site footer. Your current choice is stored only in this browser unless a third-party service maintains its own controls.
Managing cookies in your browser
Most browsers let you block, review, or delete cookies. Blocking all cookies may affect site features such as remembering your theme or consent choices.
Opting out of personalized advertising
You may also opt out of some participating ad networks by visiting aboutads.info for US-based choices or youronlinechoices.eu for European choices.