This is a demo. The Debug panel is shown below.
Click to sample to javascript trace writer

x DEBUG PANEL
Show AllShow NoneJS DebuggerSession InfoWeb Server
RequestTraceControl TreeSessionApplicationCookies-ReqCookies-RespHeaders-ReqHeaders-RespFormQueryStringServerVars
JavaScript Debugger:
Action:Execute / Show Object
Statement/Object:
Result:
Session Info:
Forms Authentication:
Culture:en-US
Code Page:65001
LCID:0x409
Theme:
Mode:InProc
Cookieless:False
New Session:True
Synchronized:False
Timeout:20 min
Script Timeout:500000 min
ViewState bytes
Browser Info
Web Server:
Machine Name:HGWS7
OS Version:Microsoft Windows NT 10.0.14393.0
CLR Version:4.0.30319.42000

Request Details
Session Id:fugdhb1uvh1xjlhghtdmgaawRequest Type:GET
Time of Request:3/24/2023 10:12:31 AMStatus Code:200
Request Encoding:Unicode (UTF-8)Response Encoding:Unicode (UTF-8)

Trace Information
CategoryMessageFrom First(s)From Last(s)
aspx.pageBegin PreInit
aspx.pageEnd PreInit0.0000350.000035
aspx.pageBegin Init0.0000640.000028
aspx.pageEnd Init0.0001920.000128
aspx.pageBegin InitComplete0.0002000.000008
aspx.pageEnd InitComplete0.0002060.000006
aspx.pageBegin PreLoad0.0002140.000008
aspx.pageEnd PreLoad0.0002190.000005
aspx.pageBegin Load0.0002240.000005
DemoTraceThis is from an optional demo trace logger.0.0009160.000692
aspx.pageEnd Load0.0071010.006184
aspx.pageBegin LoadComplete0.0071200.000019
aspx.pageEnd LoadComplete0.0071270.000007
aspx.pageBegin PreRender0.0071320.000005
aspx.pageEnd PreRender0.0071480.000016
aspx.pageBegin PreRenderComplete0.0071560.000008
aspx.pageEnd PreRenderComplete0.0071610.000005
aspx.pageBegin SaveState0.0073760.000215
aspx.pageEnd SaveState0.0102960.002920
aspx.pageBegin SaveStateComplete0.0103200.000024
aspx.pageEnd SaveStateComplete0.0103260.000006
aspx.pageBegin Render0.0103320.000005
aspx.pageEnd Render0.0110450.000713

Control Tree
Control UniqueIDTypeRender Size Bytes (including children)ViewState Size Bytes (excluding children)ControlState Size Bytes (excluding children)
__PageASP.programming_dotnet_debug_demo_aspx916600
    ctl01System.Web.UI.ResourceBasedLiteralControl37500
    ctl00System.Web.UI.HtmlControls.HtmlForm43400
        ctl02System.Web.UI.LiteralControl13900
    ctl03System.Web.UI.LiteralControl200
    ctlDebugASP.programming_dotnet_debug_debug_ascx833700
        ctlDebug$ctl00System.Web.UI.ResourceBasedLiteralControl79100
        ctlDebug$dbgPanelSystem.Web.UI.HtmlControls.HtmlGenericControl754400
            ctlDebug$ctl01System.Web.UI.LiteralControl8700
            ctlDebug$dbgScriptSystem.Web.UI.WebControls.Literal6600
            ctlDebug$ctl02System.Web.UI.ResourceBasedLiteralControl289200
            ctlDebug$dbgSectionsSystem.Web.UI.WebControls.Literal428500
            ctlDebug$ctl03System.Web.UI.LiteralControl16300
        ctlDebug$ctl04System.Web.UI.LiteralControl200
    ctl04System.Web.UI.LiteralControl1800

Session State
Session KeyTypeValue
DevSystem.BooleanTrue

Application State
Application KeyTypeValue

Request Cookies Collection
NameValueSize

Response Cookies Collection
NameValueSize

Headers Collection
NameValue
ConnectionKeep-Alive
Accepttext/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encodingbr,gzip
Accept-Languageen-US,en;q=0.5
Hostbeanland.net.au
If-Modified-SinceSat, 26 Nov 2022 11:48:24 GMT
User-AgentCCBot/2.0 (https://commoncrawl.org/faq/)

Response Headers Collection
NameValue
X-AspNet-Version4.0.30319
Cache-Controlprivate
Content-Typetext/html

Form Collection
NameValue

Querystring Collection
NameValue

Server Variables
NameValue
ALL_HTTPHTTP_CONNECTION:Keep-Alive HTTP_ACCEPT:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 HTTP_ACCEPT_ENCODING:br,gzip HTTP_ACCEPT_LANGUAGE:en-US,en;q=0.5 HTTP_HOST:beanland.net.au HTTP_IF_MODIFIED_SINCE:Sat, 26 Nov 2022 11:48:24 GMT HTTP_USER_AGENT:CCBot/2.0 (https://commoncrawl.org/faq/)
ALL_RAWConnection: Keep-Alive Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Encoding: br,gzip Accept-Language: en-US,en;q=0.5 Host: beanland.net.au If-Modified-Since: Sat, 26 Nov 2022 11:48:24 GMT User-Agent: CCBot/2.0 (https://commoncrawl.org/faq/)
APPL_MD_PATH/LM/W3SVC/80/ROOT
APPL_PHYSICAL_PATHD:\InetPub\vhosts\beanland.net.au\httpdocs\
AUTH_TYPE 
AUTH_USER 
AUTH_PASSWORD 
LOGON_USER 
REMOTE_USER 
CERT_COOKIE 
CERT_FLAGS 
CERT_ISSUER 
CERT_KEYSIZE256
CERT_SECRETKEYSIZE2048
CERT_SERIALNUMBER 
CERT_SERVER_ISSUERC=US, O=Let's Encrypt, CN=R3
CERT_SERVER_SUBJECTCN=beanland.net.au
CERT_SUBJECT 
CONTENT_LENGTH0
CONTENT_TYPE 
GATEWAY_INTERFACECGI/1.1
HTTPSon
HTTPS_KEYSIZE256
HTTPS_SECRETKEYSIZE2048
HTTPS_SERVER_ISSUERC=US, O=Let's Encrypt, CN=R3
HTTPS_SERVER_SUBJECTCN=beanland.net.au
INSTANCE_ID80
INSTANCE_META_PATH/LM/W3SVC/80
LOCAL_ADDR192.185.7.79
PATH_INFO/Programming/dotnet/Debug/demo.aspx
PATH_TRANSLATEDD:\InetPub\vhosts\beanland.net.au\httpdocs\Programming\dotnet\Debug\demo.aspx
QUERY_STRING 
REMOTE_ADDR3.239.6.58
REMOTE_HOST3.239.6.58
REMOTE_PORT38952
REQUEST_METHODGET
SCRIPT_NAME/Programming/dotnet/Debug/demo.aspx
SERVER_NAMEbeanland.net.au
SERVER_PORT443
SERVER_PORT_SECURE1
SERVER_PROTOCOLHTTP/1.1
SERVER_SOFTWAREMicrosoft-IIS/10.0
URL/Programming/dotnet/Debug/demo.aspx
HTTP_CONNECTIONKeep-Alive
HTTP_ACCEPTtext/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
HTTP_ACCEPT_ENCODINGbr,gzip
HTTP_ACCEPT_LANGUAGEen-US,en;q=0.5
HTTP_HOSTbeanland.net.au
HTTP_IF_MODIFIED_SINCESat, 26 Nov 2022 11:48:24 GMT
HTTP_USER_AGENTCCBot/2.0 (https://commoncrawl.org/faq/)
Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0