Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

ccnadesdecero.es

▷ CCNA desde Cero » Aprende Redes Cisco CCNA 200-301

Page Load Speed

1.7 sec in total

First Response

70 ms

Resources Loaded

1.1 sec

Page Rendered

495 ms

About Website

Visit ccnadesdecero.es now to see the best up-to-date CCNA Desde Cero content for Peru and also check out these interesting facts you probably never knew about ccnadesdecero.es

|➨ Bienvenido al Curso de Redes Gratis CCNA desde Cero. Este sitio es el ideal para aprender CCNA 200-301 o CCNA V7.0 ✅

Visit ccnadesdecero.es

Key Findings

We analyzed Ccnadesdecero.es page load time and found that the first response time was 70 ms and then it took 1.6 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

ccnadesdecero.es performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value22.7 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value2,840 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.19

64/100

15%

TTI (Time to Interactive)

Value30.1 s

0/100

10%

Network Requests Diagram

ccnadesdecero.es

70 ms

ccnadesdecero.es

148 ms

cv.css

45 ms

cvpro.min.css

79 ms

style.css

85 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 88% of them (87 requests) were addressed to the original Ccnadesdecero.es, 3% (3 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (482 ms) belongs to the original domain Ccnadesdecero.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.8 kB (37%)

Content Size

433.2 kB

After Optimization

271.4 kB

In fact, the total size of Ccnadesdecero.es main page is 433.2 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. 70% of websites need less resources to load. HTML takes 216.4 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 161.7 kB

  • Original 216.4 kB
  • After minification 213.8 kB
  • After compression 54.7 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 161.7 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 9 B

  • Original 165.5 kB
  • After minification 165.5 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. CCNA Desde Cero images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 51.3 kB
  • After minification 51.3 kB
  • After compression 51.3 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 83 (92%)

Requests Now

90

After Optimization

7

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CCNA Desde Cero. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ccnadesdecero.es accessibility score

89

Accessibility Issues

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.

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

ccnadesdecero.es best practices score

83

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ccnadesdecero.es SEO score

95

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ccnadesdecero.es can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Ccnadesdecero.es 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 CCNA Desde Cero. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: