What is a web tracker?
最后更新于：2022-03-27 02:14:17
格尺建站系统（GeChiUI.com）是基于WordPress深度定制中文版建站系统，优秀的主题与插件都可以无缝迁移到GeChiUI中使用。
Let’s say you’re on an out of doors pizza oven web site dreaming about sometime proudly owning one. Mmm pizza. Subsequent you turn gears and go to a health website; lo and behold an advert for the pizza oven you have been simply is there, too. You then go to YouTube to see how straightforward it will be to construct your individual pizza oven (it’s too onerous), however first it’s important to sit via an commercial about, you guessed it, that very same pizza oven. Time to examine Instagram in your cellphone, and there it’s once more, grinning at you as a sponsored put up in your feed.
It’s not only a feeling. That advert actually is following you and it occurs on a regular basis. So how do these websites all know precisely tips on how to tempt you to some extent of annoyance? Is it magic? Nope. The reply is internet trackers.
目录
What precisely is an internet tracker?
Typically, a tracker is a script on web sites designed to derive knowledge factors about your preferences and who you might be as you work together with their website. Generally these scripts are positioned purposefully by the web site you’re on, different instances a script could also be from an internet site you’ve by no means visited. Understanding the methods your knowledge is collected may also help you restrict your publicity to trackers sooner or later.
Kinds of internet trackers
Cookies
These are a generally used technique to trace you as you browse the online. Cookies are small items of information saved to your browser by web sites. Each time you go to an internet web page, cookies might be saved in your system. However not all cookies are created equal. The web site that you’re visiting might have its personal cookies, known as first-party cookies, that are positioned to counsel content material that’s most related for you, assist you bear in mind your log ins, forestall fraud, and extra.
A brilliant cookie is a browser cookie that may be completely saved in your laptop. Tremendous cookies are more durable to detect and eliminate as a result of they’ll’t be auto-deleted the identical method as common cookies. By injecting tremendous cookies into your system, web sites can entry your private data, habits and preferences. Tremendous cookies can even monitor the time you’re most lively on the web. This next-level knowledge is a goldmine for advertisers who can use the knowledge to create focused adverts primarily based on consumer profiling and preferences.
Embedded scripts
There are a number of monitoring assets that may be embedded as seen or invisible components on a web page. Frequent examples are pixel trackers which are clear pictures embedded on an internet web page or e-mail; or monitoring scripts that run as you go to web sites and might do numerous issues to trace you, from recording your IP handle to capturing your system’s specs.
Fingerprinters
Fingerprinting scripts scrape knowledge out of your internet browser, together with your browser’s kind and model, your system’s working system and model, your display screen decision, put in fonts and might even see all of the apps you’ve downloaded in your system. This knowledge is assembled right into a fingerprint distinctive to your system and can be utilized to distinctly monitor you throughout web sites.
Third-party trackers are dangerous
Third-party trackers are positioned by an internet site you haven’t even visited. They arrive from separate entities — typically huge advert networks — you’ve by no means heard of and nearly actually didn’t comply with share your data with. These third events are capable of place trackers on websites throughout the online, thereby amassing tons of information about you and sharing it with whomever they need. Yah, it’s type of creepy.
You possibly can cease internet trackers
It’s not all doom and gloom. At Firefox we consider you’ve a proper to privateness and to decide on what data you share about your self. That’s why we block third-party monitoring cookies by default in Firefox browsers. If you would like even stronger safety, you may make the most of Firefox’s full tracker blocking capabilities by setting your Enhanced Monitoring Safety mode to Strict to assist block these different trackers, like fingerprinters. Moreover, we provide Fb Container, the free browser extension that blocks Fb from monitoring your actions throughout the online while you’re logged in.
There’s far more to be realized about internet trackers than what’s on this article. For extra studying, try this text about Social Trackers.