Cookie Policy
This Cookie Policy explains which cookies and similar technologies are used on www.hanifisahin.com.tr (the “Site”), why we use them and how you can manage your preferences. The Site is operated by Prof. Dr. Hanifi Şahin. For details on personal data, see the Privacy Policy.
What are cookies?
Cookies are small text files stored on your browser or device when you visit a website. They make the site work, remember your preferences and help us measure how visits are used. Similar technologies such as browser local storage may be used for the same purposes.
Which cookies do we use?
| Category | Purpose | Examples | Consent |
|---|---|---|---|
| Essential | Remembering your cookie choice, form security and the basic operation of the site. | hs_consent (browser local storage, your choice) |
Not required |
| Security | Blocking automated (bot) submissions of the appointment form. When you click in a form field, Cloudflare Turnstile is loaded to verify that the visitor is a real person. | Cloudflare Turnstile (challenges.cloudflare.com) | Essential security function |
| Analytics | Measuring the number of visits, which pages are read and the performance of the site in an anonymous/aggregated way. | Google Analytics 4 / Google Tag Manager: _ga, _ga_* |
Required |
| Marketing / ad measurement | Measuring visits and appointment requests that come from Google Ads. | Google Ads: _gcl_au, the gclid parameter, UTM parameters |
Required |
| Third-party content | Playing videos. Videos are not loaded until you play them; when you do, YouTube may set its own cookies. | YouTube (google.com / youtube.com) | When you play a video |
Analytics and marketing cookies are not activated until you select “Accept all” (Google Consent Mode v2: analytics_storage, ad_storage, ad_user_data and ad_personalization are “denied” until you choose). With “Essential only” these cookies are not used.
Appointment form and advertising parameters
If you arrive through an advertisement, the gclid and utm_* parameters in the address may be saved with your appointment request only to understand which campaign brought the request. These parameters contain no health information.
How can you manage your preferences?
- On the Site: you can change your choice at any time using the “Cookie Preferences” link at the bottom of the page.
- In your browser: you can delete or block cookies in the settings of Chrome, Safari, Firefox and Edge. Blocking essential cookies may affect some functions of the site.
- Google: you can manage Google’s advertising and measurement preferences at adssettings.google.com.
Retention periods
Your preference record stays in your browser until you delete it. Google Analytics cookies last up to 2 years and the Google Ads cookie about 90 days; exact periods may vary according to the practices of third parties.
Contact
For questions about cookies, write to info@hanifisahin.com.tr or call +90 (538) 469 81 61. This policy may be updated from time to time; the current version is published on this page.
Last updated: October 2026.