Tools & Wizards About Us

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 42

    SEO

    Google-friendlier than
    18% of websites

cursoweb.com.co

Home - domain expired

Page Load Speed

1.7 sec in total

First Response

224 ms

Resources Loaded

1.2 sec

Page Rendered

272 ms

About Website

Visit cursoweb.com.co now to see the best up-to-date Cursoweb content and also check out these interesting facts you probably never knew about cursoweb.com.co

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Key Findings

We analyzed Cursoweb.com.co page load time and found that the first response time was 224 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

cursoweb.com.co performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

91/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

cursoweb.com.co

224 ms

reset.css

70 ms

style.css

72 ms

template.css

71 ms

menu.css

74 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 80% of them (48 requests) were addressed to the original Cursoweb.com.co, 7% (4 requests) were made to Platform.twitter.com and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (514 ms) belongs to the original domain Cursoweb.com.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 228.7 kB (19%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cursoweb.com.co main page is 1.2 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. 35% of websites need less resources to load. Images take 933.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 33.1 kB

  • Original 42.3 kB
  • After minification 40.7 kB
  • After compression 9.2 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 33.1 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 28.3 kB

  • Original 933.4 kB
  • After minification 905.1 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. Cursoweb images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 123.0 kB

  • Original 201.5 kB
  • After minification 198.4 kB
  • After compression 78.5 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 123.0 kB or 61% of the original size.

CSS Optimization

-86%

Potential reduce by 44.4 kB

  • Original 51.6 kB
  • After minification 44.4 kB
  • After compression 7.2 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. Cursoweb.com.co needs all CSS files to be minified and compressed as it can save up to 44.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (54%)

Requests Now

59

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cursoweb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cursoweb.com.co accessibility score

45

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

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

cursoweb.com.co best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cursoweb.com.co SEO score

42

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cursoweb.com.co can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Spanish language. Our system also found out that Cursoweb.com.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 description is not detected on the main page of Cursoweb. 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: