Last updated: November 10, 2026
Is Bootstrap down? User reports show no current problems with Bootstrap
Bootstrap is the most widely used front-end toolkit for building responsive websites. It provides a grid system, ready-made components, and utilities as open source CSS and JavaScript.
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✓ Our latest check (10 November 2026, 2:11 AM PKT): getbootstrap.com answered normally in 163 ms.
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Bootstrap uptime and reports
Live report counts and the day by day record for the last 30 days.
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Last 30 days, day by day: 11 October 2026 to 9 November 2026
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The daily record builds from today as our checks run. Grey days have no saved record yet. A red day marks a confirmed outage.
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Bootstrap on social media
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Posts on Bluesky saying Bootstrap is down. Checked 10 November 2026, 2:11 AM PKT.
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Step by step fixes for the problems people report most.
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Is Bootstrap Down Right Now?
No. Bootstrap is not down right now. Bootstrap is a front-end toolkit that loads from your own server or a CDN. Broken layouts almost always trace back to your files, versions, or CDN settings. Market pages break more loudly, since a Borsa Italiana feed stall freezes quotes for thousands of investors at once.
This page tracks the Bootstrap status questions developers ask most. Use it to find out whether a Bootstrap outage at a CDN is under way, or whether your page setup is what actually failed.
Is Bootstrap Down for Me or Everyone?
A real CDN incident breaks every site pulling Bootstrap from that source at once. That is rare. Far more often, one page has a version conflict, a missing script, or a renamed class after an upgrade.
Open your browser console first. If Bootstrap is down for me, the console usually says so plainly: a failed file, an integrity error, or a missing dependency named in red.
Why Are Bootstrap Components Not Working?
Static styles need only the CSS file. Interactive parts need the JavaScript too. Dropdowns, modals, and tooltips stay dead when the script tag is missing, blocked, or loaded before its markup.
Version 5 renamed its data attributes. Old code using data-toggle and data-target does nothing on Bootstrap 5, which expects data-bs-toggle and data-bs-target instead. Mixing v4 markup with v5 files is the classic silent failure.
Why Does My Site Look Broken After Upgrading to Bootstrap 5?
Bootstrap 5 dropped jQuery and renamed many utility classes. Spacing helpers like ml-3 became ms-3. Text alignment helpers changed too. Pages upgraded in a hurry keep the old classes and lose their layout.
The grid and forms also changed under the hood. Test each template after upgrading, not just the homepage. Checkout and dashboard pages tend to hide the worst breaks.
Why Is the Bootstrap CDN Not Loading?
The files are served through the jsDelivr CDN. Outages there are rare and short. More often, your network or a strict firewall blocks the CDN domain while the rest of the page loads.
Integrity hashes cause the subtler failure. If the hash in your link tag does not match the file, the browser refuses to run it. Copy the full tag from the Bootstrap site instead of editing one by hand.
Do I Still Need jQuery for Bootstrap?
Not since version 5. Bootstrap 5 runs on plain JavaScript and dropped the jQuery dependency. Many old tutorials still tell you to load jQuery first, which now only adds weight.
Version 4 is different. It needs jQuery and Popper to work. If your project still runs v4, keep both scripts and load jQuery before the Bootstrap file.
Common Bootstrap Problems and Fixes
Dropdown or modal does nothing when clicked
Check that the Bootstrap JavaScript file loads after the markup. Then confirm your data attributes match your version. Bootstrap 5 needs the data-bs- prefix on every trigger.
Styles load but the layout looks wrong
Look for a version mix-up first. Old v4 classes on v5 files cause half-styled pages. Either finish the class renames or pin the page to one version.
Browser blocks the CSS over an integrity error
The hash in your link tag does not match the CDN file. Replace the whole link tag with a fresh copy from the Bootstrap download page.
Old v4 code breaks on v5
Rename the data attributes and spacing classes to the v5 forms. Remove jQuery unless other plugins still need it. The migration guide lists every renamed class.
Bootstrap Icons are not showing
The icons ship as a separate package. Link the Bootstrap Icons CSS as well, and use the bi class names. They do not ride along with the main CSS file.
Having a problem with Bootstrap?
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Frequently Asked Questions
Does Bootstrap 5 need jQuery?
No. Bootstrap 5 dropped jQuery and runs on plain JavaScript. Only version 4 and older still need jQuery loaded before the Bootstrap script.
Why is my Bootstrap dropdown not working?
The JavaScript file is missing, or the trigger uses old data attributes. Bootstrap 5 needs data-bs-toggle on the button and the bundle script loaded on the page.
What is the difference between bootstrap.bundle.min.js and bootstrap.min.js?
The bundle includes Popper, which dropdowns, tooltips, and popovers need. The plain file leaves Popper out, so you must load it yourself.
Why does Bootstrap block my CSS with an integrity error?
Your link tag hash does not match the file on the CDN. Browsers refuse mismatched files. Paste a fresh link tag from the Bootstrap site to fix it.
How do I check which Bootstrap version a site uses?
Open the page CSS or script file names in your browser tools. The version sits in the file path or the header comment of the file.
Is Bootstrap free for commercial projects?
Yes. Bootstrap is released under the MIT license. You can use it in commercial work without paying, keeping the license notice in your copy.