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jQuery Migrate vs Twenty Fifteen

Based on 387 and 1 real audits

View jQuery Migrate details | View Twenty Fifteen details
MetricjQuery MigrateTwenty FifteenWinner
Performance4461Twenty Fifteen
Accessibility8780jQuery Migrate
Best Practices8796Twenty Fifteen
SEO9092Twenty Fifteen
Security6662jQuery Migrate
TTFB453ms79msTwenty Fifteen
Composite7480Twenty Fifteen
Performance
jQuery Migrate
44
Twenty Fifteen
61
Accessibility
jQuery Migrate
87
Twenty Fifteen
80
Security
jQuery Migrate
66
Twenty Fifteen
62
SEO
jQuery Migrate
90
Twenty Fifteen
92
Composite
jQuery Migrate
74
Twenty Fifteen
80

Twenty Fifteen outperforms jQuery Migrate in 5 of 7 categories, with a stronger composite score (80 vs 74). jQuery Migrate leads in accessibility, security.

When to choose jQuery Migrate

Choose jQuery Migrate when your primary concern is accessibility and security. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Twenty Fifteen

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

How this comparison was built

Scores are medians across 387 audited jQuery Migrate sites and 1 audited Twenty Fifteen 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 →

Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.

FAQ

Which is faster, jQuery Migrate or Twenty Fifteen?
Based on real BeaverCheck audits, Twenty Fifteen sites score higher on Lighthouse performance (61 vs 44 on average).
Which has better security, jQuery Migrate or Twenty Fifteen?
jQuery Migrate sites score higher on security analysis (66 vs 62 on average).
Which has better accessibility, jQuery Migrate or Twenty Fifteen?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor jQuery Migrate (87 vs 80). 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 Migrate or Twenty Fifteen?
Twenty Fifteen sites score higher on Lighthouse SEO signals (92 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 Migrate or Twenty Fifteen?
Twenty Fifteen sites show lower Time to First Byte (79 ms vs 453 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 Migrate or Twenty Fifteen for my website?
Both platforms have trade-offs. Twenty Fifteen scores higher on overall composite score while jQuery Migrate 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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