CORS Preflight: The Hidden 100-300ms Latency Tax
Your app is 100-300ms slower than it needs to be. CORS preflight requests add invisible round trips that double your API latency. Here's how to fix it.
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Building a Rendering Proxy under 1,000 Lines of Code
When traditional crawlers hit modern JavaScript-heavy websites, they see nothing but empty divs and loading spinners.
Dynamically Embedding HTML in Next.js Using iframes
When working with dynamic HTML in Next.js, you might need to handle content that includes external scripts, stylesheets, and inline JavaScript. Instead of using dangerouslySetInnerHTML, which doesn't execute scripts, a more effective solution is embedding the HTML inside an iframe.
Yet Another jQuery Plugin for Sticky Table Headers
When working on web layouts that involve tables, especially with lots of data, a common design request is to have the table header remain visible as the user scrolls.
Stream File URL to AWS Pre-signed URL
You can write a UploadService file. The below code (Nodejs) uploads a file from a given URL to an AWS S3 bucket using a pre-signed URL.
How to Debug Stateful Frontend Apps Like a Pro
Master debugging stateful apps using URL reset flags. This powerful technique streamlines testing and ensures a seamless user experience.
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