Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 77

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

pisa.univalle.edu.co

articulo inicio - Posgrado en Ingeniería Sanitaria y Ambiental / Universidad del Valle / Cali, Colombia

Page Load Speed

4.6 sec in total

First Response

263 ms

Resources Loaded

4.2 sec

Page Rendered

147 ms

pisa.univalle.edu.co screenshot

About Website

Visit pisa.univalle.edu.co now to see the best up-to-date Pisa Uni Valle content for Colombia and also check out these interesting facts you probably never knew about pisa.univalle.edu.co

Contribuimos a la generación de desarrollo social, tecnológico y económico del Valle del Cauca y del país, por medio de la generación, enseñanza, difusión y aplicación de conocimiento en las áreas pro...

Visit pisa.univalle.edu.co

Key Findings

We analyzed Pisa.univalle.edu.co page load time and found that the first response time was 263 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

pisa.univalle.edu.co performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value8.8 s

36/100

10%

Network Requests Diagram

pisa.univalle.edu.co

263 ms

css_main.css

82 ms

menu_01_MenuMatic.css

159 ms

slider_01_style.css

161 ms

slider_01_jquery.js

328 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 71% of them (20 requests) were addressed to the original Pisa.univalle.edu.co, 11% (3 requests) were made to Cms.univalle.edu.co and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.5 sec) relates to the external source Cms.univalle.edu.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 469.8 kB (43%)

Content Size

1.1 MB

After Optimization

611.0 kB

In fact, the total size of Pisa.univalle.edu.co main page is 1.1 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. 25% of websites need less resources to load. Images take 841.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.1 kB

  • Original 11.0 kB
  • After minification 10.0 kB
  • After compression 2.9 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 8.1 kB or 73% of the original size.

Image Optimization

-38%

Potential reduce by 316.9 kB

  • Original 841.7 kB
  • After minification 524.7 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. Obviously, Pisa Uni Valle needs image optimization as it can save up to 316.9 kB or 38% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 144.7 kB

  • Original 228.1 kB
  • After minification 224.2 kB
  • After compression 83.4 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 144.7 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (38%)

Requests Now

26

After Optimization

16

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pisa Uni Valle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

pisa.univalle.edu.co accessibility score

52

Accessibility Issues

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

Image elements do not have [alt] attributes

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

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

pisa.univalle.edu.co best practices score

77

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

pisa.univalle.edu.co SEO score

77

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

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

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pisa.univalle.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 Pisa.univalle.edu.co main page’s claimed encoding is windows-1252. 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 Pisa Uni Valle. 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: