Tools & Wizards About Us
freetraining.dfirdiva.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

freetraining.dfirdiva.com

Free and Affordable DFIR and Cybersecurity Training

Page Load Speed

6.9 sec in total

First Response

96 ms

Resources Loaded

5.5 sec

Page Rendered

1.3 sec

freetraining.dfirdiva.com screenshot

About Website

Welcome to freetraining.dfirdiva.com homepage info - get ready to check Free Training DFIR Diva best content for United States right away, or after learning these important things about freetraining.dfirdiva.com

Free and Affordable Training Resources with a Focus on DFIR / Blue Team. Digital Forensics, Incident Response, Malware Analysis, OSINT, Programming, Linux, and more.

Visit freetraining.dfirdiva.com

Key Findings

We analyzed Freetraining.dfirdiva.com page load time and found that the first response time was 96 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

freetraining.dfirdiva.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value800 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.333

34/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

training.dfirdiva.com

96 ms

training.dfirdiva.com

1907 ms

style.min.css

91 ms

style.css

152 ms

animate.min.css

153 ms

Our browser made a total of 173 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Freetraining.dfirdiva.com, 13% (23 requests) were made to Fonts.googleapis.com and 12% (21 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Training.dfirdiva.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 344.6 kB (22%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Freetraining.dfirdiva.com main page is 1.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 579.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 142.4 kB

  • Original 174.2 kB
  • After minification 172.9 kB
  • After compression 31.8 kB

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 142.4 kB or 82% of the original size.

Image Optimization

-8%

Potential reduce by 46.4 kB

  • Original 579.6 kB
  • After minification 533.2 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Free Training DFIR Diva images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 101.9 kB

  • Original 549.8 kB
  • After minification 549.8 kB
  • After compression 447.8 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 101.9 kB or 19% of the original size.

CSS Optimization

-23%

Potential reduce by 53.9 kB

  • Original 239.1 kB
  • After minification 239.0 kB
  • After compression 185.2 kB

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. Freetraining.dfirdiva.com needs all CSS files to be minified and compressed as it can save up to 53.9 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 116 (78%)

Requests Now

148

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 148 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Free Training DFIR Diva. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 71 to 1 for JavaScripts and from 47 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

training.dfirdiva.com

training.dfirdiva.com

96 ms

training.dfirdiva.com

training.dfirdiva.com

1907 ms

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Accessibility Review

freetraining.dfirdiva.com accessibility score

81

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes are not valid or misspelled

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

freetraining.dfirdiva.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

freetraining.dfirdiva.com SEO score

84

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Freetraining.dfirdiva.com 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 Freetraining.dfirdiva.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

freetraining.dfirdiva.com

Open Graph data is detected on the main page of Free Training DFIR Diva. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: