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core-js vs Microsoft Silverlight

Based on 1599 and 1 real audits

View core-js details | View Microsoft Silverlight details
Metriccore-jsMicrosoft SilverlightWinner
Performance3631core-js
Accessibility8870core-js
Best Practices8473core-js
SEO91100Microsoft Silverlight
Security6567Microsoft Silverlight
TTFB379ms510mscore-js
Composite7270core-js
Performance
core-js
36
Microsoft Silverlight
31
Accessibility
core-js
88
Microsoft Silverlight
70
Security
core-js
65
Microsoft Silverlight
67
SEO
core-js
91
Microsoft Silverlight
100
Composite
core-js
72
Microsoft Silverlight
70

core-js outperforms Microsoft Silverlight in 5 of 7 categories, with a stronger composite score (72 vs 70). Microsoft Silverlight leads in SEO, security.

When to choose core-js

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

When to choose Microsoft Silverlight

Choose Microsoft Silverlight when your primary concern is SEO and security. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1599 audited core-js sites and 1 audited Microsoft Silverlight 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, core-js or Microsoft Silverlight?
Based on real BeaverCheck audits, core-js sites score higher on Lighthouse performance (36 vs 31 on average).
Which has better security, core-js or Microsoft Silverlight?
Microsoft Silverlight sites score higher on security analysis (67 vs 65 on average).
Which has better accessibility, core-js or Microsoft Silverlight?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor core-js (88 vs 70). 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, core-js or Microsoft Silverlight?
Microsoft Silverlight sites score higher on Lighthouse SEO signals (100 vs 91 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), core-js or Microsoft Silverlight?
core-js sites show lower Time to First Byte (379 ms vs 510 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 core-js or Microsoft Silverlight for my website?
Both platforms have trade-offs. core-js scores higher on overall composite score while core-js 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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