Privacy Policy

Overview

CheckFirst (“we,” “us,” or “our”) operates checkfirst.shop, a free price comparison tool. This policy explains what information we collect, how we use it, and your choices.

Information We Collect

Information you provide

• Product URLs — the links you paste to look up prices.
• Zip code — used to estimate shipping costs and taxes to your location.
• Preferences — such as whether you have Amazon Prime, which is stored only in your browser session.

Information collected automatically

• Log data — standard server logs including IP address, browser type, pages visited, and timestamps. Logs are retained for up to 30 days.
• Cookies — we use cookies and similar tracking technologies, including those placed by Google AdSense (see below).

How We Use Your Information

• To perform price comparisons across retailers in response to your search.
• To estimate shipping costs and sales tax for your zip code.
• To improve site performance and fix bugs using aggregated, anonymized usage data.
• To display relevant advertisements through Google AdSense.

We do not sell your personal information to third parties.

Google AdSense & Advertising

We use Google AdSense to display advertisements. Google may use cookies and web beacons to serve ads based on your prior visits to this or other websites. Google’s use of advertising cookies enables it and its partners to serve ads based on your visit to checkfirst.shop and other sites on the internet.

You can opt out of personalized advertising by visiting Google Ads Settings, or by visiting aboutads.info.

Third-Party Services

CheckFirst integrates with the following third-party services to provide its functionality:

• Retailer websites (Amazon, Walmart, Target, Best Buy, etc.) — to retrieve product pricing. We do not share your personal data with these retailers.
• Google AdSense — for advertising. Governed by the Google Privacy Policy.
• Google Fonts — to load typefaces. Google may collect usage data per their privacy policy.

Cookies

We use session cookies to remember your preferences (such as zip code and Prime status) during your visit. These are not used to track you across other websites. Google AdSense may set additional cookies for ad personalization and measurement.

You can disable cookies in your browser settings, though some features of CheckFirst may not function correctly without them.

Data Retention

We do not store product URLs or zip codes beyond the time needed to process your request. Server logs are retained for up to 30 days and then deleted.

Children’s Privacy

CheckFirst is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13.

Changes to This Policy

We may update this privacy policy from time to time. The “Last updated” date at the top of this page reflects when the most recent changes were made. Continued use of CheckFirst after changes constitutes acceptance of the updated policy.

Contact

If you have questions about this privacy policy, please contact us at info@checkfirst.shop.