Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    47% of websites

  • 58

    SEO

    Google-friendlier than
    30% of websites

sis.senavirtual.edu.co

.:Comunidad de Aprendizaje SENA - Oficina Virtual | Ingreso:. Sv3.

Page Load Speed

3.2 sec in total

First Response

1.3 sec

Resources Loaded

1.7 sec

Page Rendered

138 ms

sis.senavirtual.edu.co screenshot

About Website

Visit sis.senavirtual.edu.co now to see the best up-to-date Sis SENA Virtual content for Colombia and also check out these interesting facts you probably never knew about sis.senavirtual.edu.co

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Key Findings

We analyzed Sis.senavirtual.edu.co page load time and found that the first response time was 1.3 sec and then it took 1.9 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

sis.senavirtual.edu.co performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.053

98/100

15%

TTI (Time to Interactive)

Value1.1 s

100/100

10%

Network Requests Diagram

sis.senavirtual.edu.co

1286 ms

senav2k5.css

210 ms

banner1.jpg

71 ms

banner2.jpg

141 ms

banner3.jpg

142 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Sis.senavirtual.edu.co and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Sis.senavirtual.edu.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.6 kB (56%)

Content Size

45.5 kB

After Optimization

19.9 kB

In fact, the total size of Sis.senavirtual.edu.co main page is 45.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 10% of websites need less resources to load. HTML takes 23.9 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 21.2 kB

  • Original 23.9 kB
  • After minification 10.0 kB
  • After compression 2.7 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. This page needs HTML code to be minified as it can gain 13.9 kB, which is 58% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.2 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 16.4 kB
  • After minification 16.4 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. Sis SENA Virtual images are well optimized though.

CSS Optimization

-86%

Potential reduce by 4.4 kB

  • Original 5.1 kB
  • After minification 4.1 kB
  • After compression 725 B

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. Sis.senavirtual.edu.co needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

23

After Optimization

23

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sis SENA Virtual. According to our analytics all requests are already optimized.

Accessibility Review

sis.senavirtual.edu.co accessibility score

49

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.

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

Best Practices

sis.senavirtual.edu.co 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

sis.senavirtual.edu.co SEO score

58

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sis.senavirtual.edu.co can be misinterpreted by Google and other search engines. Our service has detected that Spanish 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 Sis.senavirtual.edu.co main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Sis SENA Virtual. 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: