JavaScript libraries

Average page takes 11.5s to render its main content — 9.0s over Google's passing threshold.

Data as of May 20262,134 sites analyzed

At a glance

Performance
SEO
Accessibility

Core Web Vitals

Avg. LCP

11.5s

Google's Good: < 2.5s

Avg. FCP

4.0s

Good: < 1.8s

Avg. CLS

0.096

Good: < 0.1

Avg. TTFB

0.1s

Good: < 0.8s

Performance spread

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.

  • Critical049
    36.8%
  • Needs work5069
    47.2%
  • Decent7089
    14.2%
  • Good90100
    1.8%

Heavy on the slow side: 84% of sites score below 70. Speed is the differentiator most of this market hasn't invested in yet.

Adoption by industry

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

Quick wins

Ranked by how often we saw each issue across 2,134 sites. If yours has these, every competitor with them fixed is beating you on something Google measures.

  1. 01

    Main content takes too long to appear

    Found on 88.2% of sitesSpeedhigh impact
  2. 02

    1 pages share the same title

    Found on 84.3% of sitesSEOmedium impact
  3. 03

    2 broken links

    Found on 63.6% of sitesSecuritymedium impact
  4. 04

    No sitemap found

    Found on 25.1% of sitesSEOhigh impact
  5. 05

    No robots.txt found

    Found on 20.7% of sitesSEOhigh impact

FAQ

2,134 sites using jQuery Migrate. Each one ran the full diagnostic — PageSpeed, SEO checks, SSL verification, and full tech-stack detection.

jQuery Migrate sites in our sample average 54/100 on Google PageSpeed with an LCP of 11.5s. Performance depends more on how the site is configured than on the platform itself — we see fast and slow jQuery Migrate sites in every industry we track.

jQuery Migrate is most common in real estate agents (139 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 jQuery Migrate 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 jQuery Migrate 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

  • Beamline
  • Mabbly
  • EY
  • Allianz
  • Workwize
  • Toptal
  • Tent Foundation
  • Koppa
  • RLC Solutions

Is jQuery Migrate working for your site?

Email us and we'll run a diagnostic comparing your performance to the jQuery Migrate sample above. No intake form, results back within a business day.

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