Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

ava.uniandes.edu.co

Ambientes virtuales de aprendizaje

Page Load Speed

1.6 sec in total

First Response

557 ms

Resources Loaded

988 ms

Page Rendered

97 ms

ava.uniandes.edu.co screenshot

About Website

Visit ava.uniandes.edu.co now to see the best up-to-date Ava Unian De S content for Colombia and also check out these interesting facts you probably never knew about ava.uniandes.edu.co

LIDIE

Visit ava.uniandes.edu.co

Key Findings

We analyzed Ava.uniandes.edu.co page load time and found that the first response time was 557 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

ava.uniandes.edu.co performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

ava.uniandes.edu.co

557 ms

style.css

275 ms

img_ava_01.gif

270 ms

pixel.gif

190 ms

menu_lines.gif

191 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Ava.uniandes.edu.co and no external sources were called. The less responsive or slowest element that took the longest time to load (557 ms) belongs to the original domain Ava.uniandes.edu.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.6 kB (82%)

Content Size

20.1 kB

After Optimization

3.6 kB

In fact, the total size of Ava.uniandes.edu.co main page is 20.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 13.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 10.6 kB

  • Original 13.3 kB
  • After minification 12.5 kB
  • After compression 2.6 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 10.6 kB or 80% of the original size.

CSS Optimization

-86%

Potential reduce by 5.9 kB

  • Original 6.9 kB
  • After minification 5.5 kB
  • After compression 934 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. Ava.uniandes.edu.co needs all CSS files to be minified and compressed as it can save up to 5.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (83%)

Requests Now

24

After Optimization

4

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ava Unian De S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

ava.uniandes.edu.co accessibility score

54

Accessibility Issues

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

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

ava.uniandes.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

ava.uniandes.edu.co SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

High

Document uses plugins

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 Ava.uniandes.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 Ava.uniandes.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 Ava Unian De S. 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: