X-AspNet-Version

HTTP response header

The value of this header is used by Visual Studio to determine which version of ASP.NET is in use. It is not necessary for production sites and should be disabled

Header usage statistics

X-AspNet-Version response header information and usage statistics.

Websites using header X-AspNet-Version1,253,620
Percentage of websites that use X-AspNet-Version header1.31%
Total discovered header values262
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

X-AspNet-Version Directives

X-AspNet-Version directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Connected technologies

Technologies that utilize the header

Microsoft ASP.NET, category Web Application Frameworks, total 4,467,937 websites

Distribution by websites popularity

X-AspNet-Version detection in the top websites by popularity

Top 10k sites134 websites
Top 100k sites2,220 websites
Top 1m sites25,938 websites

Websites utilizing X-AspNet-Version

List of websites that use X-AspNet-Version header

See full domain list
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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common X-AspNet-Version header values

Header valueValue prevalence
4.0.3031989.05%
2.0.507279.77%
00.78%
1.1.43220.14%
XXXXXXXXXX0.04%
-0.03%
arrivia0.02%
N/A0.02%
2.00.01%
Null0.01%
unknown0.01%
Did you get it?0.01%
*********0.01%
jz0.00%
None0.00%
4.0.301280.00%
NA0.00%
[Removed]0.00%
X0.00%
nn0.00%