It’s downloaded from Google’s servers as a JavaScript library, any identifiers are stored in first-party cookies, and any HTTP requests to the GA endpoint use these identifiers and these identifiers alone to specify the source of the tracker. Google Analytics is a first-party analytics platform. The fact that has its ability to leverage third-party storage neutered means nothing to how the tool is actually used.
Does it matter that is prevented as a tracker? If a match is found, the domain is surfaced in the Privacy Report to showcase how ITP is blocking known trackers from reading your data. However, instead of listing ALL the domains flagged by ITP, the domains are cross-referenced against DuckDuckGo’s tracker lists. The Privacy Report has been designed to shed light on this process. Just to prove the point, here’s my site with AND flagged as tracking domains, while still merrily loading the JavaScript libraries and sending the HTTP requests to their designated endpoints: That domain has been flagged as a cross-site tracking domain, and Safari assigns certain protective measures to any communications to and from that domain (you can read more about them here). THIS is what Safari means when it’s prevented a known tracker in. When Safari says it blocks or prevents a tracker, what it means is that the ITP algorithm has flagged some domain as having cross-site tracking capabilities, and Safari has, among other things, stripped it of its capabilities to carry cookies in cross-site requests, also known as third-party cookies. I've tried Safari 14 (on macOS Big Sur), and tested the behaviour of GA vs Safari 13.1, and didn't immediately see any noticeable difference, other than v14 reports domains on which ITP blocked cookies. Similarly, Tom Anthony contributed to the research: Safari now all the 3rd-party domain trackers on the website 1/3 /2RLOOmffZl- Maciek Stanasiuk 📈 June 24, 2020 In the initial release of macOS Big Sur it looks like the new features in #Safari are only UI-focused and nothing new than ITP 2.3 is being implemented. So and the folks, an #WWDC20 #ITP update. That’s John Wilander, the WebKit engineer in charge of ITP saying that “ITP has not started to block resource loads, but ITP does so much more than just block cookies”.Įarly on, Maciek Stanasiuk tested whether hits are actually blocked, and found the opposite: Men ITP gör också mycket mer än begränsar/blockerar kakor som du säkert vet.- John Wilander 🇺🇦 June 24, 2020 ITP har inte börjat blockera resurser från att ladda. That’s not how Intelligent Tracking Prevention(ITP) works. Subscribe to the Simmer newsletter to get the latest news and content from Simo Ahava into your email inbox! Obj.NOTE! Search Engine Journal has added a footnote that they might have got the story wrong. Obj.whoAmI() // outputs "MyObj" (as expected) Obj.w = obj.whoAmI // still in the obj namespace
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I mean, is this really this, or is it something else entirely? Or is it undefined?Īs JavaScript coding techniques and design patterns have become increasingly sophisticated over the years, there’s been a corresponding increase in the proliferation of self-referencing scopes within callbacks and closures, which are a fairly common source of “this/that confusion”.Ĭonsider this example code snippet: = function () Ĭonsole.log(this = window ? "window" : "MyObj") That joke in many ways characterizes the type of confusion that often exists for developers regarding JavaScript’s this keyword.
I’m not really here, because what’s here, besides there, without the ‘t’? Common Mistake #1: Incorrect references to this Indeed, many of JavaScript’s subtleties lead to a number of common problems that keep it from working – 10 of which we discuss here – that are important to be aware of and avoid in one’s quest to become a master JavaScript developer. Yet the language is significantly more nuanced, powerful, and complex than one would initially be lead to believe.
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And indeed, to build basic JavaScript functionality into a web page is a fairly straightforward task for any experienced software developer, even if they’re new to JavaScript. JavaScript has truly become ubiquitous in the world of web app development and is therefore an increasingly important skill to master.Īt first blush, JavaScript may seem quite simple. The past several years in particular have witnessed the proliferation of a wide array of powerful JavaScript-based libraries and frameworks for single page application (SPA) development, graphics and animation, and even server-side JavaScript platforms.
Today, JavaScript is at the core of virtually all modern web applications.
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