How many Backbone.js websites did you analyze?

44 sites using Backbone.js. Each one ran the full diagnostic — PageSpeed, SEO checks, SSL verification, and full tech-stack detection.

Backbone.js sites in our sample average 48/100 on Google PageSpeed with an LCP of 15.0s. Performance depends more on how the site is configured than on the platform itself — we see fast and slow Backbone.js sites in every industry we track.

What industries use Backbone.js the most?

Backbone.js is most common in law firms (5 sites in our sample). Full breakdown is in the Adoption by industry section above.

How do I know if Backbone.js is right for my website?

Run the free audit on this page. You'll get your own site's performance scored against the Backbone.js benchmark, so you can see whether your current stack is costing you speed or SEO rankings.

JavaScript frameworks

Backbone.js website performance

Average page takes 15.0s to render its main content — 12.5s over Google's passing threshold.

Data as of April 202644 sites analyzed

Key findings

What the data says about Backbone.js sites

The handful of things that jumped out after crunching every diagnostic. Details and quick wins are below.

01
Average page takes 15.0s to render its main content — 12.5s over Google's passing threshold.
02
Average Google PageSpeed score is 48/100 — well below the 50 passing bar.

At a glance

Average scores across 44 Backbone.js sites

Performance

SEO

Accessibility

Core Web Vitals

How Backbone.js sites perform in the real world

Avg. LCP

15.0s

Google's Good: < 2.5s

Avg. FCP

4.6s

Good: < 1.8s

Avg. CLS

0.079

Good: < 0.1

Avg. TTFB

0.1s

Good: < 0.8s

Performance spread

How Backbone.js 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
52.3%
Needs work50–69
45.5%
Decent70–89
2.3%
Good90–100
0.0%

Long tail: 52% of sites land in the Critical tier. This is where the easiest wins live — any site that climbs above 50 outperforms nearly half the market.

Adoption by industry

Where Backbone.js shows up most

Top industries running this stack, based on the diagnostic sample.

Quick wins

The fixes that would move most Backbone.js sites forward

Ranked by how often we saw each issue across 44 sites. If yours has these, every competitor with them fixed is beating you on something Google measures.

01
Main content takes too long to appear
Found on 59.1% of sitesSpeedhigh impact
02
4601 broken links
Found on 56.8% of sitesSecuritymedium impact
03
1 pages share the same title
Found on 43.2% of sitesSEOmedium impact
04
No sitemap found
Found on 25% of sitesSEOhigh impact
05
Elements shift while the page loads
Found on 9.1% of sitesSpeedhigh 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 Backbone.js 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 Backbone.js working for your site?

Email us and we'll run a diagnostic comparing your performance to the Backbone.js 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.