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Cookie declaration

Cookies and similar tracking technologies help our website work properly, remember your preferences, and let us understand how visitors use the site. To keep our patients informed, we publish this live declaration so you can see exactly which cookies are in use today.

The list is regenerated each month by an automated scanner — the table updates itself as we add or remove tools. You can change which categories of cookies we may use at any time via manage your cookie preferences, or read more in our Cookie Policy.

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Cookies in use

As outlined in our Cookie Policy, we track cookies on our website. This cookie declaration explains the cookies we use for each of the following categories of cookies.

Last updated: 27 September 2026

Necessary (2)

Necessary cookies help make the website usable by enabling basic functions. The website cannot function properly without these, and they cannot be switched off.

tf:consentProviderOptilasePurposeStores your cookie consent choices so they persist between visits.ExpiryPersistent (local storage)
Turnstile challengeProviderCloudflarePurposeChecks that a form submission comes from a person rather than a bot. Runs before consent as a security measure, on pages with a form. It sets nothing on optilase.com; any state it keeps is held on challenges.cloudflare.com.ExpirySession

Statistics (5)

Statistics cookies help us understand how visitors interact with the website by collecting and reporting information. They are set only with your consent.

_gaProviderGoogle AnalyticsPurposeRegisters a unique ID used to generate statistics on how you use the site.Expiry2 years
_ga_*ProviderGoogle Analytics 4PurposePersists the analytics session state.Expiry2 years
_gidProviderGoogle AnalyticsPurposeRegisters a unique ID used to generate statistics on how you use the site.Expiry1 day
_gatProviderGoogle AnalyticsPurposeThrottles the request rate to limit data collection on high-traffic sites.Expiry1 minute
AMP_*, AMP_MKTG_*ProviderAmplitudePurposeStores a unique user/session ID and attribution data for product analytics.Expiry1 year

Marketing (11)

Marketing cookies are used to track visitors across websites to display ads that are relevant and engaging. They are set only with your consent.

_gcl_auProviderGoogle AdsPurposeStores ad-click information to measure conversions from Google Ads.Expiry90 days
IDEProviderGoogle (DoubleClick)PurposeUsed to measure and improve the relevance of ads.Expiry1 year
test_cookieProviderGoogle (DoubleClick)PurposeChecks whether your browser supports cookies.Expiry15 minutes
_fbp, frProviderMeta (Facebook Pixel)PurposeIdentify the browser to deliver and measure Facebook and Instagram ads.Expiry3 months
_ttp, ttwidProviderTikTokPurposeMeasure and improve the performance of TikTok advertising campaigns.Expiry13 months
hubspotutkProviderHubSpotPurposeTracks a visitor's identity for form submissions and contact analytics.Expiry6 months
__hstc, __hssc, __hssrcProviderHubSpotPurposeAnalytics cookies tracking visits, traffic sources and sessions.ExpirySession – 6 months
VISITOR_INFO1_LIVEProviderYouTube (Google)PurposeSet when you play an embedded video; estimates your bandwidth and measures video views.Expiry6 months
YSCProviderYouTube (Google)PurposeSet when you play an embedded video; keeps statistics of the videos you have seen.ExpirySession
VISITOR_PRIVACY_METADATAProviderYouTube (Google)PurposeStores your cookie consent state on the YouTube domain.Expiry6 months
__Secure-ROLLOUT_TOKEN, __Secure-YNIDProviderYouTube (Google)PurposeUsed by YouTube to deliver embedded video features and store viewing preferences.Expiry6 months