Tools & Wizards About Us
skullbox.net screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    70% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

skullbox.net

Network Tutorials, Server Tutorials, School For IT | SKULLBOX.NET

Page Load Speed

15.2 sec in total

First Response

202 ms

Resources Loaded

8.4 sec

Page Rendered

6.6 sec

skullbox.net screenshot

About Website

Welcome to skullbox.net homepage info - get ready to check SKULLBOX best content for United States right away, or after learning these important things about skullbox.net

School for IT: Your resource for IT training, tutorials, and HOWTOs

Visit skullbox.net

Key Findings

We analyzed Skullbox.net page load time and found that the first response time was 202 ms and then it took 15 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

skullbox.net performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

68/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value1,870 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

skullbox.net

202 ms

www.skullbox.net

1247 ms

stylesheet.css

541 ms

tablestyle.css

525 ms

highslide.js

525 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 45% of them (15 requests) were addressed to the original Skullbox.net, 12% (4 requests) were made to Pagead2.googlesyndication.com and 9% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source D5nxst8fruw4z.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 347.8 kB (58%)

Content Size

595.8 kB

After Optimization

248.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Skullbox.net main page is 595.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Javascripts take 479.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.6 kB

  • Original 11.8 kB
  • After minification 10.8 kB
  • After compression 3.2 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 8.6 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 142 B

  • Original 57.7 kB
  • After minification 57.5 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. SKULLBOX images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 298.6 kB

  • Original 479.4 kB
  • After minification 468.8 kB
  • After compression 180.8 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 298.6 kB or 62% of the original size.

CSS Optimization

-86%

Potential reduce by 40.4 kB

  • Original 47.0 kB
  • After minification 37.1 kB
  • After compression 6.6 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. Skullbox.net needs all CSS files to be minified and compressed as it can save up to 40.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (32%)

Requests Now

25

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SKULLBOX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

skullbox.net

skullbox.net

202 ms

www.skullbox.net

www.skullbox.net

1247 ms

stylesheet.css

stylesheet.css

541 ms

tablestyle.css

tablestyle.css

525 ms

highslide.js

highslide.js

525 ms

highslide.css

highslide.css

495 ms

show_ads.js

show_ads.js

44 ms

atrk.js

atrk.js

1584 ms

logo2.jpg

logo2.jpg

1049 ms

networking-tutorials.jpg

networking-tutorials.jpg

1049 ms

server-tutorials.jpg

server-tutorials.jpg

1047 ms

howto-guides.jpg

howto-guides.jpg

983 ms

cheat-sheets.jpg

cheat-sheets.jpg

984 ms

security-tutorials.jpg

security-tutorials.jpg

983 ms

ca-pub-1147749160714474.js

ca-pub-1147749160714474.js

1641 ms

zrt_lookup.html

zrt_lookup.html

2729 ms

show_ads_impl.js

show_ads_impl.js

578 ms

atrk.gif

atrk.gif

2759 ms

ga.js

ga.js

1136 ms

ads

ads

1784 ms

osd.js

osd.js

1215 ms

__utm.gif

__utm.gif

572 ms

test.png

test.png

681 ms

abg.js

abg.js

859 ms

osd_listener.js

osd_listener.js

846 ms

collect

collect

1115 ms

__utm.gif

__utm.gif

645 ms

collect

collect

342 ms

ga-audiences

ga-audiences

791 ms

ga-audiences

ga-audiences

757 ms

drop-shadow.png

drop-shadow.png

479 ms

zoomout.cur

zoomout.cur

190 ms

loader.white.gif

loader.white.gif

190 ms

Accessibility Review

skullbox.net accessibility score

62

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 do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

skullbox.net best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

skullbox.net SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Skullbox.net 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 Skullbox.net 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.

Social Sharing Optimization

skullbox.net

Open Graph description is not detected on the main page of SKULLBOX. 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: