Tools & Wizards About Us

Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ccna4u.net

Parking Page

Page Load Speed

4.8 sec in total

First Response

555 ms

Resources Loaded

3.9 sec

Page Rendered

330 ms

About Website

Welcome to ccna4u.net homepage info - get ready to check Ccna 4 U best content right away, or after learning these important things about ccna4u.net

Visit ccna4u.net

Key Findings

We analyzed Ccna4u.net page load time and found that the first response time was 555 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

ccna4u.net performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.206

60/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

ccna4u.net

555 ms

jquery.js

866 ms

19250789.js

983 ms

19250791.js

983 ms

19205751.js

985 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ccna4u.net, 83% (39 requests) were made to Moubet.cc and 11% (5 requests) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Moubet.cc.

Page Optimization Overview & Recommendations

Page size can be reduced by 162.2 kB (36%)

Content Size

449.7 kB

After Optimization

287.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ccna4u.net main page is 449.7 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. 45% of websites need less resources to load. Images take 278.5 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 1.7 kB

  • Original 2.7 kB
  • After minification 2.7 kB
  • After compression 1.0 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 1.7 kB or 63% of the original size.

Image Optimization

-9%

Potential reduce by 24.2 kB

  • Original 278.5 kB
  • After minification 254.3 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. Ccna 4 U images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 12.0 kB

  • Original 17.3 kB
  • After minification 17.0 kB
  • After compression 5.3 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 12.0 kB or 70% of the original size.

CSS Optimization

-82%

Potential reduce by 124.2 kB

  • Original 151.3 kB
  • After minification 142.3 kB
  • After compression 27.0 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. Ccna4u.net needs all CSS files to be minified and compressed as it can save up to 124.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (18%)

Requests Now

45

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ccna 4 U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ccna4u.net accessibility score

45

Accessibility Issues

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

ccna4u.net 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

SEO Factors

ccna4u.net SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ccna4u.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ccna4u.net 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

Open Graph description is not detected on the main page of Ccna 4 U. 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: