Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

dv.ujaen.es

Espacios Virtuales de la Universidad de Jaén - ILIAS Login Page

Page Load Speed

2.1 sec in total

First Response

472 ms

Resources Loaded

1.4 sec

Page Rendered

229 ms

dv.ujaen.es screenshot

About Website

Welcome to dv.ujaen.es homepage info - get ready to check Dv Ujaen best content for Spain right away, or after learning these important things about dv.ujaen.es

Visit dv.ujaen.es

Key Findings

We analyzed Dv.ujaen.es page load time and found that the first response time was 472 ms and then it took 1.6 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

dv.ujaen.es performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value16.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value16.7 s

0/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

dv.ujaen.es

472 ms

styles.css

120 ms

1140.css

229 ms

respond.js

34 ms

uja_SIDUJA.png

351 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 95% of them (20 requests) were addressed to the original Dv.ujaen.es, 5% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (472 ms) belongs to the original domain Dv.ujaen.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.7 kB (18%)

Content Size

330.1 kB

After Optimization

271.4 kB

In fact, the total size of Dv.ujaen.es main page is 330.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 297.9 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.6 kB

  • Original 11.8 kB
  • After minification 10.4 kB
  • After compression 3.1 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 1.4 kB, which is 12% 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 8.6 kB or 73% of the original size.

Image Optimization

-12%

Potential reduce by 35.1 kB

  • Original 297.9 kB
  • After minification 262.8 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, Dv Ujaen needs image optimization as it can save up to 35.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 5.9 kB

  • Original 8.5 kB
  • After minification 6.5 kB
  • After compression 2.7 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 5.9 kB or 69% of the original size.

CSS Optimization

-76%

Potential reduce by 9.1 kB

  • Original 11.9 kB
  • After minification 7.9 kB
  • After compression 2.8 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. Dv.ujaen.es needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dv Ujaen. According to our analytics all requests are already optimized.

Accessibility Review

dv.ujaen.es accessibility score

74

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

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

dv.ujaen.es best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

dv.ujaen.es SEO score

82

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

    EN

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dv.ujaen.es 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 Dv.ujaen.es 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 Dv Ujaen. 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: