Lesson plan

web widget

A web widget is a web page or web application that is embedded as an element of a host web page but which is substantially independent of the host page, having limited or no interaction with the host. A web widget commonly provides users of the host page access to resources from another web site, content that the host page may be prevented from accessing itself by the browser's same-origin policy or the content provider's CORS policy. That content includes advertising (Google's AdSense), sponsored external links (Taboola), user comments (Disqus), social media buttons (Twitter, Facebook), news (USA Today), and weather (AccuWeather). Some web widgets though serve as user-selectable customizations of the host page itself (Common Ninja, Elfsight, Powr, OpenWidget).

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Article summary

A web widget is a web page or web application that is embedded as an element of a host web page but which is substantially independent of the host page, having limited or no interaction with the host. A web widget commonly provides users of the host page access to resources from another web site, content that the host page may be prevented from accessing itself by the browser's same-origin policy or the content provider's CORS policy. That content includes advertising (Google's AdSense), sponsored external links (Taboola), user comments (Disqus), social media buttons (Twitter, Facebook), news (USA Today), and weather (AccuWeather). Some web widgets though serve as user-selectable customizations of the host page itself (Common Ninja, Elfsight, Powr, OpenWidget).

Key claims

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Discussion questions

  1. Summarise the article in your own words. Which single claim would you verify first, and why?
  2. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
  3. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

Bibliography

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Key claims and bibliography are generated from the same tracked claims and sources as the article page.