WHAT IS A COOKIE?

A cookie is a program that the web** places on your hard drive. It sits on your computer, collects information about you and anything you do on the Internet, and it can ** all of this information when the website needs it. ”

Definitions like this are fairly common in the press. The problem is, its definition makes a big mistake. A cookie is not a program, and it doesn't work like a program, so it can't collect any information for itself.

It also does not have access to any of your personal information from your computer.

A more precise definition of a cookie would look like this:

A cookie is a piece of text that a web server saves on a user's hard drive. Cookies allow a web site to save information on the user's computer and retrieve it later. Pieces of information are stored in the form of 'name-value pairs'.

For example, a web site may generate a unique ID for each visitor, which is then saved on each user's machine in the form of a cookie file.

If you use Internet Explorer to access the web, you will see all the cookies saved on your hard drive. The place where they are most often stored is: c:

Windows cookies (in Win 2000 it is C: Documents and Settings cookies for your username – author's note). There are a total of 165 files on my machine.

Each file is a text file consisting of pairs of "name" values, and a file that holds information about all the corresponding web sites.

Each cookie file in this folder is a simple and ordinary text file. By the name of the file, you can see which website placed the cookie on your machine (of course, the site information is also stored in the file). You can also double-click to open each cookie file.

For example, I visited, and this site places a cookie file on my computer that contains something like this:

A cookie is a file that is left on your machine by the ** or forum you visit. Your visit information can be recorded. Some ** or forums use cookies to automatically log in.

A cookie is a server that stores user information or related information directly on the user's local computer.

The Chinese translation of cookie is cookie, meaning cookie. Cookies are data pieces of information, which are "cookies" and are stored in text files on your computer. In fact, it is the browser that saves our cookies, which record some information.

Of course, these cookies are created by the server and returned to the browser.

As long as you successfully log in to this for the first time, the next time you can log in directly because of the cookie, which is equivalent to a user pass.

Cookie Briefing

In the past, experienced SEO experts often use cookies and sessionid to reasonably guide and control the delivery of spider crawling and weights, in order to better balance the user experience and spider crawling, we can optimize 2 sets of ** navigation structure. One set is used to show spiders, and one set is used to show users, which is conducive to improving the search experience of the target user.

When you're trying to use short content to attract traffic to your target audience, many sites often pop up sign-up and login pages. After you successfully register, you will still return the same URL to continue reading the original content.

When we try to use email marketing to acquire legislator target users, we often need to count the open rate of each email to adjust the content strategy of the email. In this case, we use cookies to track the target user's visit to you**, so as to determine the user's visit to the email.