Tools & Wizards About Us

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

cisco.netacad.com

Cisco Networking Academy: Learn Cybersecurity, Python & More

Page Load Speed

1.8 sec in total

First Response

11 ms

Resources Loaded

1.4 sec

Page Rendered

380 ms

About Website

Visit cisco.netacad.com now to see the best up-to-date Cisco Netacad content for China and also check out these interesting facts you probably never knew about cisco.netacad.com

Ready to begin, change, or propel your career? Take our industry-leading courses in cybersecurity, Python, networking, Internet of Things, and data science.

Visit cisco.netacad.com

Key Findings

We analyzed Cisco.netacad.com page load time and found that the first response time was 11 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cisco.netacad.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value6.7 s

37/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

cisco.netacad.com

11 ms

cisco.netacad.com

14 ms

www.netacad.com

943 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

26 ms

css_ojFOQynsoZ5NlU-XG_xFk1n_r4eKMqK97_NN4iJJSv4.css

19 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Cisco.netacad.com, 85% (34 requests) were made to Netacad.com and 3% (1 request) were made to Cdn.appdynamics.com. The less responsive or slowest element that took the longest time to load (943 ms) relates to the external source Netacad.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 844.9 kB (38%)

Content Size

2.2 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cisco.netacad.com main page is 2.2 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. 50% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 47.1 kB

  • Original 63.1 kB
  • After minification 61.3 kB
  • After compression 16.0 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 47.1 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 13.8 kB

  • Original 1.2 MB
  • After minification 1.2 MB

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. Cisco Netacad images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 232.2 kB

  • Original 344.4 kB
  • After minification 321.5 kB
  • After compression 112.1 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 232.2 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 551.7 kB

  • Original 634.0 kB
  • After minification 620.6 kB
  • After compression 82.4 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. Cisco.netacad.com needs all CSS files to be minified and compressed as it can save up to 551.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (69%)

Requests Now

36

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cisco Netacad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 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

cisco.netacad.com accessibility score

89

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

Buttons do not have an accessible name

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

Some elements have a [tabindex] value greater than 0

Best Practices

cisco.netacad.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cisco.netacad.com SEO score

86

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

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