10 Best Articles on Cors
The most useful articles on cors from around the web—beginners to advanced—curated by thought leaders and our community. We focus on timeless pieces and update the list whenever we discover new, must-read articles or videos—make sure to bookmark and revisit this page.
Top 5 Cors Articles
At a glance: these are the articles that have been most read, shared, and saved on cors by Refind users in 2023.
What is ...?
New to #cors? These articles make an excellent introduction.
What is CORS?
Article explains what is CORS, popular among web developers CORS, what are the common problems and how to fix them.
How to ...?
Short Articles
Short on time? Check out these useful short articles on cors—all under 10 minutes.
Understanding CORS
Cross origin resource sharing (CORS) is a browser security mechanism. We will discuss how CORS works, what it's for and how to work with it when accessing resources across origins.
The Access-Control-Allow-Origin Header Explained
Often times when calling an API, you may see an error in your console that looks like this: Access to fetch at 'http://somesite.com' from origin 'http://yoursite.com' has been blocked by CORS policy:…
Cache your CORS, for performance & profit
CORS is a necessity for many APIs, but basic configurations can create a huge number of extra requests, slowing down every browser API…
What you should know about CORS
If you're anything like me, the first time you encountered CORS (or Cross-origin resource sharing), all you wanted was for your server to accept those darn ajax requests and be done with it. So you…
CORS Misconfigurations Explained
Is your CORS configuration making your web application vulnerable? When misconfigured, CORS can be bypassed in many different ways. In this article, we take a closer look at CORS misconfigurations and explain the most common mistakes that can lead to a bypass.
Long Articles
These are some of the most-read long-form articles on cors.
The Ultimate Guide to Cross-Domain Tracking with GTM & GA
Learn how to set up cross-domain tracking with Google Tag Manager and Google Analytics (Universal), and accurately measure user activity across multiple domains.
Fearless CORS: a design philosophy for CORS middleware libraries (and a Go implementation)
TL;DR ¶ In this post, I investigate why developers struggle with CORS and I derive Fearless CORS, a design philosophy for better CORS middleware libraries, which comprises the following twelve…
Deep dive in CORS: History, how it works, and best practices
Learn the history and evolution of same-origin policy and CORS, understand CORS and the different types of cross-origin access in depth, and learn (some) best practices.
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