vstol.org Vstol.org

   
The Vertical Flight Society - Welcome!

Domain Summary

What IP addresses does Vstol.org resolve to?

• Vstol.org resolves to the IP addresses 3.33.251.168.

Where are Vstol.org servers located in?

• Vstol.org has servers located in United States.

vstol.org Profile

Title:The Vertical Flight Society - Welcome! Description:Founded in 1943 as the American Helicopter Society (AHS), the Vertical Flight Society is the world's oldest and largest technical society dedicated to advancing vertical flight technology.
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What technologies does vstol.org use?

These are the technologies used at vstol.org. vstol.org has a total of 11 technologies installed in 11 different categories.
UI frameworks
Bootstrap Bootstrap
Analytics
Google Analytics Google Analytics
Security
HSTS HSTS
Web Servers
IIS IIS
Programming Languages
Java Java
JavaScript Libraries
jQuery jQuery
jQuery UI jQuery UI
Marketing Automation
MailChimp MailChimp
Email
MailChimp MailChimp
Performance
Priority Hints Priority Hints
Video Players
YouTube YouTube
Operating Systems
Windows Server Windows Server

vstol.org Traffic Analysis

There's no enough data about vstol.org traffic.
Daily Visitors n/a
Monthly Visits n/a
Pages per Visit n/a
Visit duration n/a
Bounce Rate n/a
Is this your site?Verify your site's metrics.
Daily Unique Visitors:
 n/a
Monthly Visits:
n/a
Pages per Visit:
n/a
Daily Pageviews:
n/a
Avg. visit duration:
n/a
Bounce rate:
n/a
Global Reach:
 n/a
HypeRank:
n/a
*All traffic values are estimates only.

  ▼

SEMrush is a complete on line advertising and marketing platform that gives a extensive variety of gear and functions to help companies and entrepreneurs in enhancing their on line visibility and optimizing their virtual advertising and marketing strategies.
SemRushSemRush
Domain:
  vstol.org
Rank:
(Rank based on keywords, cost and organic traffic)
  n/a
Organic Keywords:
(Number of keywords in top 20 Google SERP)
  0
Organic Traffic:
(Number of visitors coming from top 20 search results)
  0
Organic Cost:
((How much need to spend if get same number of visitors from Google Adwords)
  $0.00
Full SEMrush Report >>
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*HypeStat.com is not promoting or affiliated with vstol.org in any way. Only publicly available statistics data are displayed.

Ad Experience Report ▼

Summary of the ad experience rating of a website for a specific platform.

Mobile summary

Root domain:
vstol.org
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Desktop summary

Root domain:
vstol.org
Ad filtering:
(Chrome is not filtering ads on your site.)
Off
Status:
(The status of the site that is reviewed for the Better Ads Standards.)
Not reviewed

Abusive Experience Report ▼

Summary of the abusive experience rating of a website.
Root domain:
vstol.org
Enforcement:
(Chrome is not preventing your site from opening new windows or tabs.)
Off
Status:
(The status of the site reviewed for the abusive experiences.)
Not reviewed

Where is vstol.org hosted? ▼

Vstol.org may be hosted in multiple data centers distributed in different locations around the world. This is probably just one of them.
Server IP:
3.33.251.168
ASN:
AS16509 
ISP:
Amazon.com, Inc. 
Server Location:

United States, US
 

Other sites hosted on 3.33.251.168

How fast does vstol.org load? ▼

The average loading time of vstol.org is 1501 ms. The Desktop speed index is 64 and mobile speed index is 56.
Average Load Time:
1501 ms

Page Speed (Google PageSpeed Insights) - Desktop

64
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a FAST speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)2ms 90% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 90% 6% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 6% 2% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 2%
Time To First Byte (TTFB)600ms 81% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 81% 11% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 11% 7% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 7%
First Contentful Paint (FCP)982ms 87% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 87% 7% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 7% 5% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 5%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average (0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)38ms 99% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 99% 0% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)1.3s 89% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 89% 6% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 6% 3% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 3%

Origin Data

All pages served from this origin have an FAST speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)2ms 90% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 90% 6% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 6% 2% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 2%
Time To First Byte (TTFB)600ms 81% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 81% 11% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 11% 7% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 7%
First Contentful Paint (FCP)982ms 87% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 87% 7% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 7% 5% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 5%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average 0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interaction To Next Paint (INP)38ms 99% of loads for this page have a fast (<200ms) Interaction To Next Paint (INP) 99% 0% of loads for this page have an average (200ms ~ 500ms) Interaction To Next Paint (INP) 0% 0% of loads for this page have a slow (>500ms) Interaction To Next Paint (INP) 0%
Largest Contentful Paint (LCP)1.3s 89% of loads for this page have a fast (<2500ms) Largest Contentful Paint (LCP) 89% 6% of loads for this page have an average (2500ms ~ 4000ms) Largest Contentful Paint (LCP) 6% 3% of loads for this page have a slow (>4000ms) Largest Contentful Paint (LCP) 3%

Lab Data

Largest Contentful Paint 4.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
Total Blocking Time 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric
First Contentful Paint 1.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
INP breakdown  
Start investigating by looking at the longest subpart. how to improve INP
Max Potential First Input Delay 60 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
Time to Interactive 4.8 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Speed Index 3.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric

Page Speed (Google PageSpeed Insights) - Mobile

56
0-49 50-89 90-100 i

Field Data

Over the last 30 days, the field data shows that this page has a AVERAGE speed compared to other pages in the Chrome User Experience Report.We are showing the 90th percentile of FCP and the 95th percentile of FID.

Cumulative Layout Shift (CLS)11ms 90% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 72% 24% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 24% 2% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 2%
Time To First Byte (TTFB)1.2s 81% of loads for this page have a fast (<800s) Time To First Byte (TTFB) 60% 26% of loads for this page have an average (800s ~ 1800s) Time To First Byte (TTFB) 26% 12% of loads for this page have a slow (>1800s) Time To First Byte (TTFB) 12%
First Contentful Paint (FCP)2.0s 87% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 72% 11% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 11% 15% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 15%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average (0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)109ms 99% of loads for this page have a fast (<200s) Interactive To Next Paint (INP) 87% 12% of loads for this page have an average (200s ~ 500s) Interactive To Next Paint (INP) 12% 0% of loads for this page have a slow (>500s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)2.4s 89% of loads for this page have a fast (<2500s) Largest Contentful Paint (LCP) 75% 10% of loads for this page have an average (2500s ~ 4000s) Largest Contentful Paint (LCP) 10% 13% of loads for this page have a slow (>4000s) Largest Contentful Paint (LCP) 13%

Origin Data

All pages served from this origin have an AVERAGE speed compared to other pages in the Chrome User Experience Report. over the last 30 days.To view suggestions tailored to each page, analyze individual page URLs.

Cumulative Layout Shift (CLS)11ms 72% of loads for this page have a fast (<0.01s) Cumulative Layout Shift (CLS) 72% 24% of loads for this page have an average (0.01s ~ 0.025s) Cumulative Layout Shift (CLS) 24% 2% of loads for this page have a slow (>0.025s) Cumulative Layout Shift (CLS) 2%
Time To First Byte (TTFB)1.2s 60% of loads for this page have a fast (<0.8s) Time To First Byte (TTFB) 60% 26% of loads for this page have an average (0.8s ~ 1.8s) Time To First Byte (TTFB) 26% 12% of loads for this page have a slow (>1.8s) Time To First Byte (TTFB) 12%
First Contentful Paint (FCP)2.0s 72% of loads for this page have a fast (<1.8s) First Contentful Paint (FCP) 72% 11% of loads for this page have an average (1.8s ~ 3s) First Contentful Paint (FCP) 11% 15% of loads for this page have a slow (>3s) First Contentful Paint (FCP) 15%
First Input Delay (FID)0 0% of loads for this page have a fast (<0ms) First Input Delay (FID) 0% 0% of loads for this page have an average 0ms ~ 0ms) First Input Delay (FID) 0% 0% of loads for this page have a slow (>0ms) First Input Delay (FID) 0%
Interactive To Next Paint (INP)109ms 87% of loads for this page have a fast (<0.2s) Interactive To Next Paint (INP) 87% 12% of loads for this page have an average (0.2s ~ 0.5s) Interactive To Next Paint (INP) 12% 0% of loads for this page have a slow (>0.5s) Interactive To Next Paint (INP) 0%
Largest Contentful Paint (LCP)2.4s 75% of loads for this page have a fast (<2.5s)Largest Contentful Paint (LCP) 75% 10% of loads for this page have an average (2.5s ~ 4s)Largest Contentful Paint (LCP) 10% 13% of loads for this page have a slow (>4s)Largest Contentful Paint (LCP) 13%

Lab Data

First Contentful Paint 5.0 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more about the First Contentful Paint metric
Largest Contentful Paint 10.3 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn more about the Largest Contentful Paint metric
INP breakdown  
Start investigating by looking at the longest subpart. how to improve INP
Max Potential First Input Delay 80 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric
Time to Interactive 10.3 s
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric
Speed Index 12.0 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric
Total Blocking Time 30 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more about the Total Blocking Time metric

Does vstol.org use compression? ▼

Website compression is the process of reducing the size of website files, such as HTML, CSS, JavaScript, and image files, to improve website performance and load times. Compressing website files can significantly reduce the amount of data that needs to be transferred from the server to the user's browser, resulting in faster page load times and improved user experience. Files on vstol.org are reduced by 72%.
vstol.org use gzip compression.
Original size: 45.93 KB
Compressed size: 12.79 KB
File reduced by: 33.14 KB (72%)

Google Safe Browsing ▼

Google Safe Browsing is a service provided by Google that helps protect users from visiting websites that may contain malicious or harmful content, such as malware, phishing attempts, or deceptive software.
This site is not currently listed as suspicious

MyWot.com Reputation Ratings

MyWOT (short for "My Web of Trust") is a web-based reputation and rating service that provides users with information about the trustworthiness and safety of websites. vstol.org has 60 Safety Reputations.
Status:
  SAFE
Safety Reputations:
  60
Safety Confidence:
  2

SSL Checker - SSL Certificate Verify ▼

An SSL (Secure Sockets Layer) certificate is a digital certificate that establishes a secure encrypted connection between a web server and a user's web browser. It provides authentication and encryption, ensuring that data transmitted between the server and the browser remains private and protected. vstol.org supports HTTPS.
 vstol.org supports HTTPS
     
Verifying SSL Support. Please wait...
Common Name: *.vtol.org
Organization:
Location:
Issuer: RapidSSL TLS RSA CA G1
Valid from: Feb 10 00:00:00 2025 GMT
Valid until: Mar 10 23:59:59 2026 GMT
Authority: CA:FALSE
Keysize: 2048 Bits
Common Name: RapidSSL TLS RSA CA G1
Organization: DigiCert Inc, OU = www.digicert.com
Location: US
Issuer: DigiCert Global Root G2
Valid from: Nov 2 12:24:33 2017 GMT
Valid until: Nov 2 12:24:33 2027 GMT
Authority: CA:TRUE
Keysize: 2048 Bits

Verify HTTP/2 Support ▼

HTTP/2 (Hypertext Transfer Protocol version 2) is a major revision of the HTTP protocol, which is the foundation of data communication on the World Wide Web. It was developed as an improvement over the previous HTTP/1.1 version to enhance web performance and efficiency.
 vstol.org does not support HTTP/2
     
Verifying HTTP/2.0 Support. Please wait...

Http Header ▼

HTTP headers are extra portions of records despatched among a consumer (which include an internet browser) and a server at some stage in an HTTP request or response. They offer instructions, metadata, or manipulate parameters for the conversation among the consumer and server. 
Content-Length: 55
Content-Type: text/html; charset=utf-8
Date: Sun, 25 Jan 2026 21:57:21 GMT
Location: https://www.vtol.org
Server: ip-100-74-5-45.eu-west-2.compute.internal
Vary: Accept-Encoding
X-Request-Id: 5ef2d8d6-5677-47e9-9583-dd09b0e3bcb6
Connection: close

HTTP/1.1 301 Moved Permanently
Content-Type: text/html; charset=UTF-8
Location: http://vtol.org/
Server: Microsoft-IIS/10.0
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin
Date: Sun, 25 Jan 2026 21:57:22 GMT
Content-Length: 139

HTTP/1.1 303 See Other
Content-Type: text/html; charset=UTF-8
Location: https://vtol.org/
Server: Microsoft-IIS/10.0
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin
Date: Sun, 25 Jan 2026 21:57:22 GMT
Content-Length: 140

HTTP/1.1 200 OK
Cache-Control: no-cache, no-store, must-revalidate
Pragma: no-cache
Transfer-Encoding: chunked
Content-Type: text/html;charset=UTF-8
Content-Encoding: gzip
Expires: Tue, 01 Jan 1985 00:00:01 GMT
Vary: Accept-Encoding
Server: Microsoft-IIS/10.0
Set-Cookie: SESSIONSCOPETESTED=false; Path=/
Set-Cookie: HASSESSIONSCOPE=false; Path=/
Set-Cookie: SESSIONSCOPETESTED=true; Expires=Tue, 18 Jan 2056 21:57:23 GMT; Path=/; HttpOnly
Set-Cookie: HASSESSIONSCOPE=true; Expires=Tue, 18 Jan 2056 21:57:23 GMT; Path=/; HttpOnly
Set-Cookie: JSESSIONID=9315A119E16165A9FB941DA021FF4444.cfusion; Path=/; Secure; HttpOnly
Content-Security-Policy: default-src 'self'; object-src 'none'; form-action 'self' https://vfs.users.membersuite.com https://vtol.us4.list-manage.com; script-src 'self' https://console.membersuite.com https://vtol.us4.list-manage.com maps.googleapis.com https://cdn.commoninja.com/ 'nonce-ZVd4SC81NjErdW1wd05yN0dLTUVFUT09'; img-src 'self' https://gallery.vtol.org https://images.membersuite.com data: maps.gstatic.com maps.googleapis.com *.ggpht.com https://website-assets.commoninja.com/ https://cdn.commoninja.com; style-src 'self' https://maps.googleapis.com https://fonts.googleapis.com https://cdn.commoninja.com/ 'unsafe-inline'; font-src 'self' https://fonts.gstatic.com data: application/x-font-ttf; frame-src https://www.google.com; frame-ancestors 'self'; connect-src 'self' https://www.google-analytics.com https://cdn.commoninja.com/ https://www.commoninja.com/; base-uri 'none';
Set-Cookie: FARCRYDEVICETYPE=desktop; Path=/
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin
Date: Sun, 25 Jan 2026 21:57:22 GMT

DNS Lookup ▼

DNS entries (Domain Name System) are a critical component of the Internet infrastructure. They act as directories that translate human-readable domain names (such as example.com) to machine-readable IP addresses. DNS records are stored on DNS servers and help forward internet traffic efficiently.
Type Ip Target/Txt TTL
A 15.197.225.128 3600
A 3.33.251.168 3600
NS ns43.domaincontrol.com 3600
NS ns44.domaincontrol.com 3600
SOA 3600
Mname ns43.domaincontrol.com
Rname dns.jomax.net
Serial Number 2025101701
Refresh 28800
Retry 7200
Expire 604800
Minimum TTL 3600
MX vstol-org.mail.protection.outlook.com 3600
TXT v=spf1 include:secureserver.net -all 3600
TXT NETORGFT8334713.onmicrosoft.com 3600