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CodeFellows Class Reading Notes

Questions:

What are the advantages of storing tokens in “Cookies” vs “Local Storage”

Cookies are meant to be read server-side, while Local Storage can only be read by the client-side. Cookies also provide more security because - when used with the HttpOnly cookie flag, they are not accessible through JS and are immune to XSS.

Sources: https://medium.com/datadriveninvestor/cookies-vs-local-storage-2f3732c7d977 https://stormpath.com/blog/where-to-store-your-jwts-cookies-vs-html5-web-storage

Explain 3rd party cookies

Cookies that are set by - and/or tracked by - a website other than the one you are currently on. This is most often associated with advertisement, marketing, and social media.

Source: https://cookie-script.com/all-you-need-to-know-about-third-party-cookies.html

How do pixel tags work?

Pixel tags are short snippets of code that perform an action - usually related to collecting data about visitors to a website and their behavior on the site and sending off that data to a 3rd party to be processed and stored.

Source: https://taginspector.com/articles/marketing-tags-and-pixels-form-and-function/


Definitions

Term Definition Source
cookies Small text files created by a website that is stored in the user’s computer and used to recognized the computer and track references. Cookies may be temporary (for a session) or stored on the hard drive for persistance https://www.pcmag.com/encyclopedia/term/cookie
authorization A security mechanism to determine access levels or user/client privileges related to system resources. https://economictimes.indiatimes.com/definition/authorization
access control A system to authenticate and authorize individuals to access information (ie, the implementation of authorization https://www.csoonline.com/article/3251714/what-is-access-control-a-key-component-of-data-security.html
conditional rendering A version of rendering in which components decide based on one or more conditions which DOM elements will be returned https://www.robinwieruch.de/conditional-rendering-react

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