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jQuery UI vs Select2

Based on 439 and 84 real audits

View jQuery UI details | View Select2 details
MetricjQuery UISelect2Winner
Performance4241jQuery UI
Accessibility8787Tie
Best Practices8887jQuery UI
SEO9091Select2
Security6768Select2
TTFB514ms462msSelect2
Composite7475Select2
Performance
jQuery UI
42
Select2
41
Accessibility
jQuery UI
87
Select2
87
Security
jQuery UI
67
Select2
68
SEO
jQuery UI
90
Select2
91
Composite
jQuery UI
74
Select2
75

Select2 outperforms jQuery UI in 4 of 7 categories, with a stronger composite score (75 vs 74). jQuery UI leads in performance, best practices.

When to choose jQuery UI

Choose jQuery UI when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Select2

Choose Select2 when your primary concern is server response time and SEO. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 439 audited jQuery UI sites and 84 audited Select2 sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, jQuery UI or Select2?
Based on real BeaverCheck audits, jQuery UI sites score higher on Lighthouse performance (42 vs 41 on average).
Which has better security, jQuery UI or Select2?
Select2 sites score higher on security analysis (68 vs 67 on average).
Which has better accessibility, jQuery UI or Select2?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor jQuery UI (87 vs 87). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, jQuery UI or Select2?
Select2 sites score higher on Lighthouse SEO signals (91 vs 90 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), jQuery UI or Select2?
Select2 sites show lower Time to First Byte (462 ms vs 514 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose jQuery UI or Select2 for my website?
Both platforms have trade-offs. jQuery UI scores higher on overall composite score while jQuery UI may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
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