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- Copyright 2016-2017 Soren Stoutner <soren@stoutner.com>.
+ Copyright © 2016-2017 Soren Stoutner <soren@stoutner.com>.
This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
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number on a device. Then, every time a user visits the website on that device, it can be linked to a unique profile
the server maintains for that serial number, even if the device connects from different IP addresses, as cell phones often do.</p>
- <p>Many websites with logins require first-party cookies to be enabled for a user to stay logged in. Cookies aren’t the only way
+ <p>Many websites with logins require first-party cookies to be enabled for a user to stay logged in. Cookies aren’t the only way
a website can maintain a user logged in as they move from page to page on the site, but if a particular website has chosen to
implement logins in that way, enabling first-party cookies on that site will be the only way to use the functionality.</p>
<h3><img class="title" src="images/cookie_dark_blue.png"> Third-Party Cookies</h3>
<p>Third-party cookies are set by portions of a website that are loaded from servers different from the URL at the top of the page.
- For example, most website that have advertisements load them from a third-party ad broker, like Google’s
+ For example, most website that have advertisements load them from a third-party ad broker, like Google’s
<a href="https://www.google.com/adsense/start/#?modal_active=none">Ad Sense</a>. Every time the website loads, it requests the ad
broker to display an ad. The ad broker analyzes any information they may have about the user, looks at the current
rate advertisers are willing to pay for their ads, and selects the one to display. The section of the website that displays
- the ads is loaded from the third-party broker’s server instead of the main server.</p>
+ the ads is loaded from the third-party broker’s server instead of the main server.</p>
- <p>Because most of the advertisements on the internet are processed by only a few brokers, it didn’t take long for them to realize
- that they could set a tracking cookie on the user’s device and know every place that user goes. Every time an ad loads from a broker,
+ <p>Because most of the advertisements on the internet are processed by only a few brokers, it didn’t take long for them to realize
+ that they could set a tracking cookie on the user’s device and know every place that user goes. Every time an ad loads from a broker,
the first thing it does it check to see if if the device already has a unique serial number in a tracking cookie. If it does, it looks up
the profile for that serial number and makes a note of the new site. This is why a user can do a search on one website for a
- product they typically don’t look for, like walnuts, and then suddenly start seeing advertisements for walnuts on every
+ product they typically don’t look for, like walnuts, and then suddenly start seeing advertisements for walnuts on every
website they visit.</p>
<p>In addition to ad brokers, social media sites discovered they could get in on the action. A few years ago, the major social media sites
projects / PrivacyBrowserAndroid.git / blobdiff