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Microsoft vs Microsoft IIS

Based on 2477 and 66 real audits

View Microsoft details | View Microsoft IIS details
MetricMicrosoftMicrosoft IISWinner
Performance3945Microsoft IIS
Accessibility8987Microsoft
Best Practices8684Microsoft
SEO8990Microsoft IIS
Security6766Microsoft
TTFB329ms513msMicrosoft
Composite7372Microsoft
Performance
Microsoft
39
Microsoft IIS
45
Accessibility
Microsoft
89
Microsoft IIS
87
Security
Microsoft
67
Microsoft IIS
66
SEO
Microsoft
89
Microsoft IIS
90
Composite
Microsoft
73
Microsoft IIS
72

Microsoft outperforms Microsoft IIS in 5 of 7 categories, with a stronger composite score (73 vs 72). Microsoft IIS leads in performance, SEO.

When to choose Microsoft

Choose Microsoft 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 IIS

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

How this comparison was built

Scores are medians across 2477 audited Microsoft sites and 66 audited Microsoft IIS 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, Microsoft or Microsoft IIS?
Based on real BeaverCheck audits, Microsoft IIS sites score higher on Lighthouse performance (45 vs 39 on average).
Which has better security, Microsoft or Microsoft IIS?
Microsoft sites score higher on security analysis (67 vs 66 on average).
Which has better accessibility, Microsoft or Microsoft IIS?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Microsoft (89 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, Microsoft or Microsoft IIS?
Microsoft IIS sites score higher on Lighthouse SEO signals (90 vs 89 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), Microsoft or Microsoft IIS?
Microsoft sites show lower Time to First Byte (329 ms vs 513 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 Microsoft or Microsoft IIS for my website?
Both platforms have trade-offs. Microsoft IIS scores higher on overall composite score while Microsoft 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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