Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

cursosgratisonline.co

▷ Cursos Gratis Online · Recursos de Formación

Page Load Speed

5.8 sec in total

First Response

1.3 sec

Resources Loaded

4.2 sec

Page Rendered

330 ms

cursosgratisonline.co screenshot

About Website

Welcome to cursosgratisonline.co homepage info - get ready to check Cursos Gratis Online best content for Colombia right away, or after learning these important things about cursosgratisonline.co

Encuentra Cursos Gratis Online ⭐ y Recursos de Formación Libres para Estudiar Distancia ✔️ Todo lo que quieras ☝ MIRA

Visit cursosgratisonline.co

Key Findings

We analyzed Cursosgratisonline.co page load time and found that the first response time was 1.3 sec and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

cursosgratisonline.co performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value1,970 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.22

57/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

cursosgratisonline.co

1310 ms

wp-emoji-release.min.js

244 ms

font-awesome.min.css

247 ms

mts-notification-bar-public.css

335 ms

postratings-css.css

166 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 33% of them (36 requests) were addressed to the original Cursosgratisonline.co, 9% (10 requests) were made to Static.xx.fbcdn.net and 9% (10 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Cursosgratisonline.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 568.2 kB (57%)

Content Size

992.9 kB

After Optimization

424.6 kB

In fact, the total size of Cursosgratisonline.co main page is 992.9 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. 65% of websites need less resources to load. Javascripts take 425.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 54.0 kB

  • Original 68.4 kB
  • After minification 62.8 kB
  • After compression 14.4 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 54.0 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 5.2 kB

  • Original 182.9 kB
  • After minification 177.7 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. Cursos Gratis Online images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 237.9 kB

  • Original 425.0 kB
  • After minification 407.9 kB
  • After compression 187.1 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 237.9 kB or 56% of the original size.

CSS Optimization

-86%

Potential reduce by 271.1 kB

  • Original 316.6 kB
  • After minification 266.1 kB
  • After compression 45.4 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. Cursosgratisonline.co needs all CSS files to be minified and compressed as it can save up to 271.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 66 (65%)

Requests Now

101

After Optimization

35

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cursos Gratis Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cursosgratisonline.co accessibility score

77

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

Buttons do not have an accessible name

High

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

High

Links do not have a discernible 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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

cursosgratisonline.co 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

High

Page has valid source maps

SEO Factors

cursosgratisonline.co SEO score

99

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 Cursosgratisonline.co 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 Cursosgratisonline.co 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 Cursos Gratis Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: