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Cairo Retina Meeting

18-20 January, 2023

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Analytics

Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc.

Cookie	Duration	Description
_ga	2 years	The _ga cookie, installed by Google Analytics, calculates visitor, session and campaign data and also keeps track of site usage for the site's analytics report. The cookie stores information anonymously and assigns a randomly generated number to recognize unique visitors.
_gat_UA-142478797-1	1 minute	A variation of the _gat cookie set by Google Analytics and Google Tag Manager to allow website owners to track visitor behaviour and measure site performance. The pattern element in the name contains the unique identity number of the account or website it relates to.
_gcl_au	3 months	Provided by Google Tag Manager to experiment advertisement efficiency of websites using their services.
_gid	1 day	Installed by Google Analytics, _gid cookie stores information on how visitors use a website, while also creating an analytics report of the website's performance. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously.
_hjAbsoluteSessionInProgress	30 minutes	Hotjar sets this cookie to detect the first pageview session of a user. This is a True/False flag set by the cookie.
_hjFirstSeen	30 minutes	Hotjar sets this cookie to identify a new user’s first session. It stores a true/false value, indicating whether it was the first time Hotjar saw this user.
_hjIncludedInPageviewSample	2 minutes	Hotjar sets this cookie to know whether a user is included in the data sampling defined by the site's pageview limit.
_hjTLDTest	session	To determine the most generic cookie path that has to be used instead of the page hostname, Hotjar sets the _hjTLDTest cookie to store different URL substring alternatives until it fails.
BrowserId	1 year	This cookie is used for registering a unique ID that identifies the type of browser. It helps in identifying the visitor device on their revisit.
CONSENT	2 years	YouTube sets this cookie via embedded youtube-videos and registers anonymous statistical data.
vuid	2 years	Vimeo installs this cookie to collect tracking information by setting a unique ID to embed videos to the website.