Skip to content

IIS

Based on 1 real audits

25
Avg. Performance
68
Avg. Accessibility
50
Avg. Best Practices
92
Avg. SEO
59
Avg. Security
66
Avg. Composite
25 /100
Avg. Performance
378 ms
Avg. TTFB
66 /100
Avg. Composite
1
Sites Audited

How IIS sites compare

IIS sites tend to score below average on performance (25/100), compared to the global average of 44/100.

Recent Audits

SitePerformanceGradeAudited
chosun.com25D2026-04-15

Commonly Used With

Sites that use IIS also commonly use:

Windows Server Operating systems 1Webpack Miscellaneous 1Tailwind CSS Framework 1Snowplow Analytics Analytics 1Salesforce Interaction Studio Personalisation 1reCAPTCHA Security 1React JavaScript frameworks 1Open Graph Miscellaneous 1Naver Analytics Analytics 1Microsoft IIS Server 1

Compare with...

IIS vs Windows ServerIIS vs WebpackIIS vs Tailwind CSSIIS vs Snowplow AnalyticsIIS vs Salesforce Interaction StudioIIS vs reCAPTCHAIIS vs ReactIIS vs Open GraphIIS vs Naver AnalyticsIIS vs Microsoft IIS

FAQ

What is the average Lighthouse performance score for IIS sites?
Based on 1 real audits, IIS sites score an average of 25/100 on Lighthouse performance.
How does IIS compare on web security?
IIS sites score an average security grade of 59/100 in BeaverCheck audits.
What is the average page load time for IIS websites?
The average Time to First Byte (TTFB) for IIS sites is 378ms based on 1 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