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Microsoft vs Siteimprove

Based on 2421 and 88 real audits

View Microsoft details | View Siteimprove details
MetricMicrosoftSiteimproveWinner
Performance3935Microsoft
Accessibility8995Siteimprove
Best Practices8686Tie
SEO8994Siteimprove
Security6664Microsoft
TTFB329ms544msMicrosoft
Composite7272Tie
Performance
Microsoft
39
Siteimprove
35
Accessibility
Microsoft
89
Siteimprove
95
Security
Microsoft
66
Siteimprove
64
SEO
Microsoft
89
Siteimprove
94
Composite
Microsoft
72
Siteimprove
72

Microsoft outperforms Siteimprove in 3 of 7 categories, with a stronger composite score (72 vs 72). Siteimprove leads in accessibility, SEO.

When to choose Microsoft

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

When to choose Siteimprove

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

How this comparison was built

Scores are medians across 2421 audited Microsoft sites and 88 audited Siteimprove 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 Siteimprove?
Based on real BeaverCheck audits, Microsoft sites score higher on Lighthouse performance (39 vs 35 on average).
Which has better security, Microsoft or Siteimprove?
Microsoft sites score higher on security analysis (66 vs 64 on average).
Which has better accessibility, Microsoft or Siteimprove?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Siteimprove (95 vs 89). 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 Siteimprove?
Siteimprove sites score higher on Lighthouse SEO signals (94 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 Siteimprove?
Microsoft sites show lower Time to First Byte (329 ms vs 544 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 Siteimprove for my website?
Both platforms have trade-offs. Microsoft 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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