UI frameworks
Bootstrap website performance
Average page takes 14.9s to render its main content — 12.4s over Google's passing threshold.
At a glance
Average scores across 1,600 Bootstrap sites
Core Web Vitals
How Bootstrap sites perform in the real world
Avg. LCP
Google's Good: < 2.5s
Avg. FCP
Good: < 1.8s
Avg. CLS
Good: < 0.1
Avg. TTFB
Good: < 0.8s
Performance spread
How Bootstrap sites cluster on page speed
PageSpeed scores grouped into Google's tier labels. The shape of the distribution tells you whether the industry average hides a few great outliers — or a long tail of broken sites.
- Critical0–4934.4%
- Needs work50–6951.6%
- Decent70–8912.3%
- Good90–1001.7%
Heavy on the slow side: 86% of sites score below 70. Speed is the differentiator most of this market hasn't invested in yet.
Adoption by industry
Where Bootstrap shows up most
Top industries running this stack, based on the diagnostic sample.
Quick wins
The fixes that would move most Bootstrap sites forward
Ranked by how often we saw each issue across 1,600 sites. If yours has these, every competitor with them fixed is beating you on something Google measures.
- 01
13 pages share the same title
Found on 89.7% of sitesSEOmedium impact - 02
Main content takes too long to appear
Found on 88.6% of sitesSpeedhigh impact - 03
22 broken links
Found on 77.4% of sitesSecuritymedium impact - 04
No robots.txt found
Found on 47.4% of sitesSEOhigh impact - 05
No sitemap found
Found on 33.3% of sitesSEOhigh impact
FAQ
Common questions
1,600 sites using Bootstrap. Each one ran the full diagnostic — PageSpeed, SEO checks, SSL verification, and full tech-stack detection.
Bootstrap sites in our sample average 54/100 on Google PageSpeed with an LCP of 14.9s. Performance depends more on how the site is configured than on the platform itself — we see fast and slow Bootstrap sites in every industry we track.
Bootstrap is most common in real estate agents (156 sites in our sample). Full breakdown is in the Adoption by industry section above.
Run the free audit on this page. You'll get your own site's performance scored against the Bootstrap benchmark, so you can see whether your current stack is costing you speed or SEO rankings.
How we fix it
Web Boost — we fix the gaps we just showed you, every month
The diagnostic above tells you what's broken on Bootstrap websites. Web Boost is the monthly retainer that actually ships the fixes: senior developers, AI-assisted, concrete before/after reports, cancel anytime.
Speed + Core Web Vitals
Image compression, caching, lazy loading, render-blocking cleanup — the fixes the benchmark above flagged.
On-page SEO + structured data
Meta tags, canonicals, schema markup, internal linking — every signal Google's crawler expects, audited and fixed.
Conversion rate + mobile UX
CTAs, forms, microcopy, mobile layout. Turn the traffic you're already getting into leads and customers.
The diagnostic engine is the same one we ship for product and agency clients
Is Bootstrap working for your site?
Email us and we'll run a diagnostic comparing your performance to the Bootstrap sample above. No intake form, results back within a business day.
Or write to hello@borahlabs.us directly. No intake form, no pitch deck.