Based on 356 and 1 real audits
| Metric | Google Publisher Tag | Microsoft Silverlight | Winner |
|---|---|---|---|
| Performance | 32 | 31 | Google Publisher Tag |
| Accessibility | 87 | 70 | Google Publisher Tag |
| Best Practices | 81 | 73 | Google Publisher Tag |
| SEO | 91 | 100 | Microsoft Silverlight |
| Security | 64 | 67 | Microsoft Silverlight |
| TTFB | 293ms | 510ms | Google Publisher Tag |
| Composite | 71 | 70 | Google Publisher Tag |
Google Publisher Tag outperforms Microsoft Silverlight in 5 of 7 categories, with a stronger composite score (71 vs 70). Microsoft Silverlight leads in SEO, security.
Choose Google Publisher Tag when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Microsoft Silverlight when your primary concern is SEO and security. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 356 audited Google Publisher Tag 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.
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