How many Bootstrap websites did you analyze?

1,062 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 57/100 on Google PageSpeed with an LCP of 16.1s. 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.

What industries use Bootstrap the most?

Bootstrap is most common in real estate agents (51 sites in our sample). Full breakdown is in the Adoption by industry section above.

How do I know if Bootstrap is right for my website?

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.

UI frameworks

Bootstrap website performance

Average page takes 16.1s to render its main content — 13.6s over Google's passing threshold.

Data as of April 20261,062 sites analyzed

At a glance

Average scores across 1,062 Bootstrap sites

Performance

SEO

Accessibility

Core Web Vitals

How Bootstrap sites perform in the real world

Avg. LCP

16.1s

Google's Good: < 2.5s

Avg. FCP

4.5s

Good: < 1.8s

Avg. CLS

0.082

Good: < 0.1

Avg. TTFB

0.1s

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.

Critical0–49
25.5%
Needs work50–69
60.4%
Decent70–89
12.7%
Good90–100
1.3%

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 1,062 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 75% of sitesSEOmedium impact
02
22 broken links
Found on 74.1% of sitesSecuritymedium impact
03
Main content takes too long to appear
Found on 72.8% of sitesSpeedhigh impact
04
No robots.txt found
Found on 52.8% of sitesSEOhigh impact
05
No sitemap found
Found on 33.2% of sitesSEOhigh impact

FAQ

Common questions

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.

Plans from

$497/mo

See how Web Boost works →

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.

Email us for a diagnosis

Or write to hello@borahlabs.us directly. No intake form, no pitch deck.