Access bogota.unal.edu.co. Sede Bogotá | Universidad Nacional de Colombia: Página Principal

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value1,930 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.283

43/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

bogota.unal.edu.co

192 ms

bogota.unal.edu.co

456 ms

frontend.css

95 ms

accesibilidad.css

189 ms

bootstrap.min.css

387 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 57% of them (44 requests) were addressed to the original Bogota.unal.edu.co, 18% (14 requests) were made to Fonts.gstatic.com and 9% (7 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (790 ms) belongs to the original domain Bogota.unal.edu.co.

Content Size

1.7 MB

After Optimization

1.4 MB

In fact, the total size of Bogota.unal.edu.co main page is 1.7 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.9 kB

Original 55.7 kB
After minification 53.1 kB
After compression 9.8 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 45.9 kB or 82% of the original size.

Image Optimization

-17%

Potential reduce by 218.4 kB

Original 1.3 MB
After minification 1.0 MB

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, Bogota Unal needs image optimization as it can save up to 218.4 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.5 kB

Original 318.4 kB
After minification 318.4 kB
After compression 314.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 3.3 kB

Original 69.7 kB
After minification 69.7 kB
After compression 66.4 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. Bogota.unal.edu.co has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bogota Unal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

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

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

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 Bogota.unal.edu.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 Bogota.unal.edu.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

bogota.unal.edu.co

Open Graph description is not detected on the main page of Bogota Unal. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Sede Bogotá | Universidad Nacional de Colombia: Página Principal

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

bogota.unal.edu.co

bogota.unal.edu.co

frontend.css

accesibilidad.css

bootstrap.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

bogota.unal.edu.co

bogota.unal.edu.co

frontend.css

accesibilidad.css

bootstrap.min.css

bootstrap-theme.min.css

reset.css

unal.css

printer.css

ancizar.css

tipografia.css

jquery.js

unal.js

accesibilidad.js

bootstrap.bundle.min.js

googleAnalytics1.js

googleAnalytics2.js

dataTables.js

mainpage.css

nw_st_home.css

anunciosPopup.js

cse.js

cse.js

cse_element__es.js

default+es.css

default.css

escudoUnal_black.png

cC8ZSkOcZ_A

current.jpg

sealBck.png

escudoUnal.svg

sealColombia.png

sealColombia_black.png

icnSocial.png

navigationBack.png

locDot.png

access-icon.jpg

backServices.png

mark.png

oportunidades-bogota.jpg

calendario-academico.jpg

circular-bogota.jpg

log_orgullo.png