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Developer(s)Justin Dorfman, David Henzel (MaxCDN)
Initial release2012
Stable release
4.1.1 / 2018
Operating systemCross-platform (web-based application)
TypeFree CDN
LicenseMIT (code), CC-BY 4.0 (code/doc/icons), SIL OFL 1.1 (fonts)

BootstrapCDN is a public content delivery network. It enables users to load CSS, JavaScript and images remotely from its servers. Used by more than 7.9 million websites worldwide (including 30% of the top-10k websites), BootstrapCDN serves more than 70 billion requests a month.[1] Bootstrap uses StackPath's global content delivery network, which makes websites using its service resilient to unexpected surges in web traffic.


Twitter Bootstrap[edit]

Twitter Bootstrap was founded by two former Twitter software engineers, Mark Otto and Jacob Thornton, as a front end for web development, with templates for forms, buttons, and other user interface items. Twitter Bootstrap was open sourced in August 2011. NetDNA (formerly MaxCDN, acquired by StackPath) launched BootstrapCDN, the free content delivery network aspect of Bootstrap, with a beta launch on June 7, 2012 and a stable launch on July 5, 2012. (Otto and Thornton did not develop BootstrapCDN.)[2] Stanford University, Angry Birds and Gizmodo utilize BootstrapCDN.[3]

Font Awesome[edit]

Font Awesome, a font designed for use with Twitter Bootstrap, was incorporated into BootstrapCDN on August 21, 2012. The font offers scalable vector icons that are CSS-friendly for customization.[4]

As of July 5, 2013 — a year after it launched — BootstrapCDN transferred 40.73 terabytes and served 3.2 billion requests, with 383 changes to its Github repository (git commits). Font Awesome was its most popular requested file with 338,329,273 hits.[5]


Developers can access BootstrapCDN's CSS and Javascript content through the following links:[6]

<link rel="stylesheet" href="" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous">

<script src="" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script>

Notice that certain Bootstrap JavaScript functionalities has dependency on jQuery and Popper.js as well[7] (with the dependency on jQuery being dropped in Bootstrap 5).[8]


  1. ^ "BootstrapCDN Usage Statistics". Archived from the original on 2018-07-11. Retrieved 2018-07-11.
  2. ^ "Open Source". NetDNA (now MaxCDN). Retrieved Aug 8, 2013.
  3. ^ "BootstrapCDN". BootstrapCDN. Retrieved Aug 8, 2013.
  4. ^ "Bootstrap 2.1.0 and Font Awesome Support". NetDNA. Retrieved Aug 8, 2013.
  5. ^ "Happy 1st Birthday BootstrapCDN". NetDNA. Retrieved Aug 8, 2013.
  6. ^ XhmikosR, Justin Dorfman, Joshua Mervine. "Quick Start". Retrieved 2020-06-27.
  7. ^ contributors, Mark Otto, Jacob Thornton, and Bootstrap. "Introduction". Retrieved 2020-06-27.
  8. ^ contributors, Mark Otto, Jacob Thornton, and Bootstrap. "Introduction". Retrieved 2020-06-27.

External links[edit]