What is a web error?
The original web error is a transparent image, just a few pixels or smaller sizes, commonly built into a website or e -mail to perform secret services for third parties. Web errors allow it to show up on the page and make them invisible. After discrimination, the same name is called "Errors". Modern web error may not take the form of a small transparent image. Scripts, Iframs, styles brands and other implementations on the page can serve the same purpose.
Everyone is united is familiar with the click on the link and visit the web and watch the content of the content in the browser window. Some surfers might not realize that a website host can allow a third party to insert a web error on the page. In this case, when the computer requires a page, the embedded image must come from a third party. A unique computer address called Internet log address (IP) is automatically handed over to the third party server that converts a web error to your computer. In this process the third StraOn the IP address of the computer, even if the surfer has never visited their website.
merchants use built -in web errors on popular pages over the Internet as a means of monitoring people's surf habits. Web errors can be used in conjunction with computer cookies to create profiles or documentation of "Joe's" Surf habits, maintaining the common website protocol that Joe visited, how often Joe visited them and the content of this site. Surf profiles can take days, weeks, months and even years. Although it is generally referred to as anonymous, the profile can easily be connected with an e -mail address, a real name or other personal, unique identifier.
Web error can also be used to protect against plagiarism. If the webmaster places the error on each page on the web and the unauthorized person copy the source code (content) their own website, every time the visitorOn a remote site, he clicks on reading this content, the web error will "make home" on the original site. Webmaster can find proof of server protocol analysis.
In an e-mail with HTML support, a web error can be built to provide the sender of the return confirmation. Return of the login is an optional inspection for e -mail clients that allows the e -mail to know when the recipient read a piece of mail. People often deactivate this control so that return income cannot be generated. Assuming the recipient opens the e -mail during online, the entered error will be contacted on the third -party website and requires the web error to be transferred to the IP address of the recipient. This automatically generates a return confirmation, even if this setting is deactivated in an e -mail client.
Other use for web errors is to customize the IP address with an otherwise anonymous e -mail address. By sending e -mail with a built -in web error to anonymous e -mail address,When the recipient opens the e -mail, its IP address will be handed over to the web site visiting a web error.
spammers also use web errors. Consumers open Spam with HTML support unknowingly send their IP addresses back to spammers and reveal working addresses. To avoid these lists, delete unsolicited mail without opening it.
To beat web errors in some people's e-mail deactivates images, but there are still ways to put an error in mail with HTML support. Instead, it is a safer method to use a text e-mail. If you want to press web errors when surfing, use this option Firewall with this option.