Tools & Wizards About Us
cursosvirtuales.uned.es screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

cursosvirtuales.uned.es

MANTENIMIENTO

Page Load Speed

2.4 sec in total

First Response

662 ms

Resources Loaded

1.6 sec

Page Rendered

88 ms

cursosvirtuales.uned.es screenshot

About Website

Welcome to cursosvirtuales.uned.es homepage info - get ready to check Cursosvirtuales Uned best content for Spain right away, or after learning these important things about cursosvirtuales.uned.es

Visit cursosvirtuales.uned.es

Key Findings

We analyzed Cursosvirtuales.uned.es page load time and found that the first response time was 662 ms and then it took 1.7 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

cursosvirtuales.uned.es performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value4.0 s

80/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

cursosvirtuales.uned.es

662 ms

estilos_50x.css

197 ms

uned.png

434 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Cursosvirtuales.uned.es and no external sources were called. The less responsive or slowest element that took the longest time to load (662 ms) belongs to the original domain Cursosvirtuales.uned.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.3 kB (61%)

Content Size

7.0 kB

After Optimization

2.7 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Cursosvirtuales.uned.es main page is 7.0 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. CSS take 5.0 kB which makes up the majority of the site volume.

HTML Optimization

-44%

Potential reduce by 333 B

  • Original 757 B
  • After minification 736 B
  • After compression 424 B

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 333 B or 44% of the original size.

Image Optimization

-9%

Potential reduce by 117 B

  • Original 1.3 kB
  • After minification 1.2 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. Cursosvirtuales Uned images are well optimized though.

CSS Optimization

-78%

Potential reduce by 3.9 kB

  • Original 5.0 kB
  • After minification 3.7 kB
  • After compression 1.1 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. Cursosvirtuales.uned.es needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • Images
  • CSS

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cursosvirtuales Uned. According to our analytics all requests are already optimized.

Network Requests Diagram

cursosvirtuales.uned.es

cursosvirtuales.uned.es

662 ms

estilos_50x.css

estilos_50x.css

197 ms

uned.png

uned.png

434 ms

Accessibility Review

cursosvirtuales.uned.es accessibility score

96

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.

Best Practices

cursosvirtuales.uned.es best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cursosvirtuales.uned.es SEO score

71

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cursosvirtuales.uned.es 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 Cursosvirtuales.uned.es main page’s claimed encoding is . 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

cursosvirtuales.uned.es

Open Graph description is not detected on the main page of Cursosvirtuales Uned. 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: