Tuesday, 17 February 2015

Cookies Have Life Of 7985 Years

Cookies that websites place on the computers of visitors may 7985 last year, according to international research that was conducted in the Netherlands ( pdf ). The 59 sites were surveyed Dutch total 2089 cookies behind. Dutch media sites on average put most cookies per visitor 42.2. Webshops follow with 25.9 cookies. Dutch websites scoring average this.

It is mainly British media sites (83.1 cookies), French media sites (73.8 cookies) and Danish media sites (75.3 cookies) protruding. The study also specified where cookies come from. In the case of the Dutch sites, there were 607 of the 2089 cookies originating from the visited website. The remaining 1482 cookies were placed by third parties such as advertisers and trackers. Netherlands ends with this agent in the moot.

Websites can also specify if the cookies expire. Two Danish and one British website have their cookies on 31/12/9999 expired. Ie about 7985 years. In total, 15 sites were found to place cookies with a lifespan of over 100 years. The average lifespan of a cookie that is placed by the visited website is 14.34 years. Cookies are not counted over 100 years, then the researchers at two years out.

In the case of cookies from third parties, there was a French website that a third party cookie left behind that 7985 year went along. A total of 15 third parties were found placed 27 cookies with a life of more than 68 years. The average lifespan of any "third party" cookies thus amounts to 1.77 years. Cookies are more than 68 years are not included, the average life is 1.33 years. Most third-party cookies come from Doubleclick.net , which was found on 213 web sites and placed 247 cookies.

"Setting a long expiration date for a cookie does not only mean that the device's usefulness will survive, but the person using it at the time. Although the life of a cookie on a device depends on the purpose for which it was placed, it is difficult for an expiration date in the year 9999 to justify, " says Simon Rice of the UK Information Commissioner's Office.

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