Skip to content

Your site vs. IIS average

Your site
74
IIS average
72
CategoryYour scorePeer avgDeltaPercentile
Performance9276+16—
Security66660—
Accessibility5159-8—
SEO7485-11—
Infrastructure8783+4—
Compliance6774-7—
Content6876-8—
Sustainability8268+14—

Better than 63% of IIS sites

Run another audit to improve your score →

Category: Web servers

IIS

Based on 71 real audits

45
Avg. Performance
87
Avg. Accessibility
85
Avg. Best Practices
90
Avg. SEO
66
Avg. Security
72
Avg. Composite
45 /100
Avg. Performance
549 ms
Avg. TTFB
72 /100
Avg. Composite
71
Sites Audited

How IIS sites compare

IIS sites tend to score below average on performance (45/100), compared to the global average of 63/100.

Recent Audits

View adoption trends → See all 71 websites using IIS →
SitePerformanceGradeAudited
shahoclimb.com31C2026-10-04
northe.runasp.net51B2026-09-27
www.smy3engg.com78C2026-09-01
www.sazimebudoucnost.cz56B2026-08-28
portal.kumorai.io33C2026-08-25
provincialatina.com53C2026-08-06
tobaccoseed.co.uk69B2026-07-20
www.eurovoyages.net56B2026-07-20
coobiz.it22C2026-07-12
finecobank.com27C2026-07-10

Commonly Used With

Sites that use IIS also commonly use:

Microsoft IIS Server 71Windows Server Operating systems 69Microsoft ASP.NET Web frameworks 51ASP.NET Runtime 49Google Search Console Analytics 45Microsoft 365 Email 40Google Tag Manager Tag managers 39jQuery JavaScript libraries 37Google Analytics Analytics 34Open Graph Miscellaneous 32

Compare with...

IIS vs Microsoft IISIIS vs Windows ServerIIS vs Microsoft ASP.NETIIS vs ASP.NETIIS vs Google Search ConsoleIIS vs Microsoft 365IIS vs Google Tag ManagerIIS vs jQueryIIS vs Google AnalyticsIIS vs Open Graph

FAQ

What is the average Lighthouse performance score for IIS sites?
Based on 71 real audits, IIS sites score an average of 45/100 on Lighthouse performance.
How does IIS compare on web security?
IIS sites score an average security grade of 66/100 in BeaverCheck audits.
What is the average page load time for IIS websites?
The average Time to First Byte (TTFB) for IIS sites is 549ms based on 71 audits.
How can I improve my IIS site's performance?
Run a free audit on BeaverCheck to get specific recommendations for your IIS site. Common issues include render-blocking resources, unoptimized images, and missing caching headers.

Audit your IIS site now

Run Audit

Send Feedback