Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

educacion.ucm.es

Facultad de Educación - Centro de Formación del Profesorado.

Page Load Speed

2.8 sec in total

First Response

453 ms

Resources Loaded

2.2 sec

Page Rendered

152 ms

About Website

Click here to check amazing Educacion Ucm content for Spain. Otherwise, check out these important facts you probably never knew about educacion.ucm.es

La Universidad Complutense de Madrid es una institución de larga trayectoria y amplio reconocimiento social que aspira a situarse entre las primeras universidades de Europa y a consolidarse como centr...

Visit educacion.ucm.es

Key Findings

We analyzed Educacion.ucm.es page load time and found that the first response time was 453 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

educacion.ucm.es performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.193

64/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

educacion.ucm.es

453 ms

bootstrap.css

194 ms

font-awesome.min.css

246 ms

ucm-theme.css

289 ms

ucm.css

291 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 87% of them (33 requests) were addressed to the original Educacion.ucm.es, 8% (3 requests) were made to Sdk.privacy-center.org and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (959 ms) belongs to the original domain Educacion.ucm.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.6 kB (12%)

Content Size

1.7 MB

After Optimization

1.5 MB

In fact, the total size of Educacion.ucm.es 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. 55% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 98.1 kB

  • Original 116.4 kB
  • After minification 114.5 kB
  • After compression 18.3 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 98.1 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 52.2 kB

  • Original 1.4 MB
  • After minification 1.4 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. Educacion Ucm images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 20.5 kB

  • Original 63.5 kB
  • After minification 63.5 kB
  • After compression 42.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 20.5 kB or 32% of the original size.

CSS Optimization

-37%

Potential reduce by 23.8 kB

  • Original 63.8 kB
  • After minification 63.8 kB
  • After compression 40.0 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. Educacion.ucm.es needs all CSS files to be minified and compressed as it can save up to 23.8 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (34%)

Requests Now

32

After Optimization

21

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Educacion Ucm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

educacion.ucm.es accessibility score

90

Accessibility Issues

ARIA

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.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

educacion.ucm.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

educacion.ucm.es SEO score

96

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Educacion.ucm.es can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Spanish. Our system also found out that Educacion.ucm.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 Educacion Ucm. 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: