Privacy Policy
Last updated: 10 October 2026
37left.lk (“we”, “us”) is a price comparison platform for products sold by retailers in Sri Lanka. This page explains what information we collect, how we use it, and the choices you have.
Information We Collect
- Account data: if you create an account, we store your email address and display name. If you sign in with Google, we receive your basic Google profile information (name, email, profile picture).
- Saved products and alerts: products you save and price alert preferences are stored against your account.
- Newsletter: if you subscribe to our newsletter, we store the email address you submit.
- Usage data: we use Plausible Analytics (privacy-friendly, no cookies, no personal data) and, with your consent, Google Analytics to understand how the site is used.
How We Use Your Information
- To operate the site and deliver features such as saved products and price alerts.
- To send you the alerts and emails you have opted in to.
- To understand site usage in aggregate and improve the product.
Cookies and Local Storage
We use browser localStorage to remember your theme preference, your cookie consent choice, and recently viewed items. With your consent (via our cookie banner), we enable Google Analytics, which sets its own cookies. Plausible Analytics does not use cookies at all.
Advertising
We show ads served by Google AdSense. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website and other websites. Google's use of advertising cookies enables it and its partners to serve ads to you based on your visits to this site and/or other sites on the Internet.
You can opt out of personalised advertising by visiting Google Ads Settings, or opt out of some third-party vendors' use of cookies for personalised advertising at www.aboutads.info. Learn more about how Google uses information from sites that use its services.
Third-Party Services
- Google OAuth (sign-in)
- Google Analytics (only if you accept cookies)
- Google AdSense (advertising)
- Plausible Analytics (privacy-friendly, always on)
- Cloudinary / CDN (image delivery)
Your Choices
- You can decline analytics cookies via the consent banner.
- You can opt out of personalised ads via Google Ads Settings.
- You can delete your account at any time from your account settings.
- You can request a copy or deletion of your data by emailing [email protected].
Contact
Questions about this policy? Email [email protected].