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vulnfactory.org: Security Research by Dan Rosenberg

Security research by Dan Rosenberg

Page load speed analysis

  • 85/100

    Good result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    99 ms

  • Resources loaded

    171 ms

  • Page rendered

    188 ms

  • Total page load time

    458 ms

Welcome to vulnfactory.org homepage info - get ready to check Vulnfactory best content for Indonesia right away, or after learning these important things about vulnfactory.org

We analyzed Vulnfactory.org page load time and found that the first response time was 99 ms and then it took 359 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Page optimization

  • HTML 2.5 kB
    Images 0 B
    Javascripts 0 B
    CSS 3.2 kB

    In fact, the total size of Vulnfactory.org main page is 5.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 3.2 kB which makes up the majority of the site volume.

    • Original 2.5 kB
    • After minification 2.4 kB
    • After compression 1.2 kB

    HTML optimization

    HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 1.3 kB or 54% of the original size.

    • Original 3.2 kB
    • After minification 2.6 kB
    • After compression 737 B

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Vulnfactory.org needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 77% of the original size.

Network requests diagram

  • vulnfactory.org
  • 1.css
  • widget.js

Our browser made a total of 3 requests to load all elements on the main page. We found that 67% of them (2 requests) were addressed to the original Vulnfactory.org, 33% (1 request) were made to Widgets.twimg.com. The less responsive or slowest element that took the longest time to load (99 ms) belongs to the original domain Vulnfactory.org.

Additional info on vulnfactory.org

Requests

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vulnfactory. According to our analytics all requests are already optimized.

1

Javascripts

1

CSS

2

All

Possible request optimization

1

Javascripts

1

CSS

0

Optimized

2

All

Good result

IP address

Vulnfactory.org uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

vulnfactory.org

smallvoyage.com

telepromptersolutions.com

nyneuroslp.com

millionsandrich.com

198.54.116.186

DNS records

Type Host Target/ip TTL Other
A

vulnfactory.org

198.54.116.186 1200
NS

vulnfactory.org

dns1.namecheaphosting.com 86400
NS

vulnfactory.org

dns2.namecheaphosting.com 86400
SOA

vulnfactory.org

86400 Mname: dns1.namecheaphosting.com
Rname: cpanel.tech.namecheap.com
Serial: 1575260551
Refresh: 86400
Retry: 7200
Expire: 3600000
Minimum-ttl: 86400
MX

vulnfactory.org

smx4.web-hosting.com 3600 Pri: 10

Language and encoding

Normal result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

ISO-8859-1

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vulnfactory.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vulnfactory.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

SSL Certificate

Vulnfactory.org has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 22.6% of all visits is Indonesia. It lies approximately 8210 miles away from the server location (United States) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up Vulnfactory.org page load time for the majority of users is moving the server to Indonesia or just closer to the user base.

Poor result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Vulnfactory. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

vulnfactory.org

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