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SEVERE Intro.js CDN packages bottlenecking website load periodically (AFFECTS INTROJS.COM) #2093

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tharmaman opened this issue Mar 15, 2025 · 0 comments

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@tharmaman
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tharmaman commented Mar 15, 2025

Had intro.js applied to my application via CDN about a year ago. Made no changes and all of a sudden this week I discovered the intro.js CDNs were severely bottlenecking my application periodically with the scripts taking 1.7 minutes to load. This was confirmed with my team who live across the States and myself in Canada who had the same experiences as well as some of our users. It became more consistent at night so perhaps related to the CDN servers?

Image

This doesn't seem to be an isolated problem with me, as your website (https://introjs.com/) seems to be facing the same issues as well:

https://www.loom.com/share/48e447f3e5d34a119dc8cd4871629505?sid=2509ba8d-4fa1-4f9f-8f0b-2baa464ddbce

Image

I removed the following lines from my header, and the problem was resolved on my application:

  <script src="https://unpkg.com/intro.js/minified/intro.min.js"></script>
  <link rel="stylesheet" href="https://unpkg.com/intro.js/minified/introjs.min.css">
  <link href="https://unpkg.com/intro.js/themes/introjs-modern.css" rel="stylesheet">

Added a codepen where you basically will need to wait like 2 minutes for "bro" to appear because of the CDNs being loaded:
https://codepen.io/LoopBoi/pen/ogNpZRL

UPDATE
Seems like it was a problem with unpkg CDNs. Other unpkg users noticed an outage yesterday afternoon:
https://forum.bubble.io/t/since-2pm-est-cdn-unpkg-major-outage-may-affect-your-bubble-app/363319
https://www.reddit.com/r/reactjs/comments/1jbr961/are_you_able_to_access_react_18s_cdn_links/
https://www.reddit.com/r/neopets/comments/1jbnqfw/site_not_loading_for_anyone_else_rn/
https://www.reddit.com/r/Bubbleio/comments/1jbsmkj/unpkg_outage/
https://x.com/search?q=%40unpkg%20outage&src=typed_query

RELATED ISSUE ON UNPKG
unpkg/unpkg#412

@tharmaman tharmaman changed the title SEVERE Intro.js CDN packages bottlenecking website load (AFFECTS INTROJS.COM) SEVERE Intro.js CDN packages bottlenecking website load periodically (AFFECTS INTROJS.COM) Mar 15, 2025
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