Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

viu.es

VIU Universidad Online | Estudia a distancia

Page Load Speed

3.2 sec in total

First Response

312 ms

Resources Loaded

2.6 sec

Page Rendered

363 ms

viu.es screenshot

About Website

Visit viu.es now to see the best up-to-date VIU content for Spain and also check out these interesting facts you probably never knew about viu.es

Conoce la Universidad Internacional de Valencia - VIU. Grados, Masters y Postgrados en todas las áreas educativas ✦Universidad 100% Online✦

Visit viu.es

Key Findings

We analyzed Viu.es page load time and found that the first response time was 312 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

viu.es performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value5,630 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.279

43/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

www.viu.es

312 ms

25a7d2f6257d1d597d8d85bd1192903d.css

203 ms

satelliteLib-e059cc6357c2010f703e5dbff491fb56770ebd9b.js

23 ms

cookies.js

348 ms

d9f36c156b5ac7082c81b317000a557a.js

590 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 83% of them (29 requests) were addressed to the original Viu.es, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (992 ms) belongs to the original domain Viu.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 120.8 kB (10%)

Content Size

1.2 MB

After Optimization

1.1 MB

In fact, the total size of Viu.es main page is 1.2 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. 45% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 31.9 kB

  • Original 40.5 kB
  • After minification 40.4 kB
  • After compression 8.7 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 31.9 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 4.2 kB

  • Original 1.0 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. VIU images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 84.8 kB

  • Original 139.1 kB
  • After minification 139.0 kB
  • After compression 54.3 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 84.8 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (19%)

Requests Now

27

After Optimization

22

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VIU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

viu.es accessibility score

81

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.

Best Practices

viu.es best practices score

75

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

viu.es SEO score

86

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

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

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 Viu.es 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 Viu.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 data is detected on the main page of VIU. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: