Tools & Wizards About Us
uab.cat screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

uab.cat

Universitat Autònoma de Barcelona - UAB Barcelona

Page Load Speed

4.5 sec in total

First Response

310 ms

Resources Loaded

3.2 sec

Page Rendered

1 sec

uab.cat screenshot

About Website

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

La UAB és una universitat jove, pública i capdavantera. Líder als rànquings i referent en recerca. Barcelonina, catalana i internacional. Transformadora, solidària, diversa, sostenible i participativa...

Visit uab.cat

Key Findings

We analyzed Uab.cat page load time and found that the first response time was 310 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

uab.cat performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value4,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.406

24/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

uab.cat

310 ms

uab.cat

434 ms

www.uab.cat

630 ms

portal.css

104 ms

owl.carousel.min.css

207 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 76% of them (29 requests) were addressed to the original Uab.cat, 8% (3 requests) were made to Googletagmanager.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Uab.cat.

Page Optimization Overview & Recommendations

Page size can be reduced by 541.2 kB (3%)

Content Size

17.8 MB

After Optimization

17.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Uab.cat main page is 17.8 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. 35% of websites need less resources to load. Images take 17.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 76.9 kB

  • Original 90.0 kB
  • After minification 78.6 kB
  • After compression 13.1 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 11.4 kB, which is 13% 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 76.9 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 454.8 kB

  • Original 17.7 MB
  • After minification 17.2 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. UAB images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 9.3 kB

  • Original 71.3 kB
  • After minification 71.3 kB
  • After compression 62.0 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 9.3 kB or 13% of the original size.

CSS Optimization

-1%

Potential reduce by 217 B

  • Original 21.5 kB
  • After minification 21.5 kB
  • After compression 21.2 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. Uab.cat has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (23%)

Requests Now

35

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UAB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

uab.cat

uab.cat

310 ms

uab.cat

uab.cat

434 ms

www.uab.cat

www.uab.cat

630 ms

portal.css

portal.css

104 ms

owl.carousel.min.css

owl.carousel.min.css

207 ms

uc.js

uc.js

22 ms

jquery-3.4.1.slim.min.js

jquery-3.4.1.slim.min.js

18 ms

utils.min.js

utils.min.js

310 ms

owl.carousel.min.js

owl.carousel.min.js

308 ms

gtm.js

gtm.js

128 ms

UAB-2linies-verd.svg

UAB-2linies-verd.svg

169 ms

estudis.jpg

estudis.jpg

1557 ms

recerca,21.jpg

recerca,21.jpg

560 ms

serveis,10.jpg

serveis,10.jpg

664 ms

teixits.jpg

teixits.jpg

328 ms

familientag,0.jpg

familientag,0.jpg

530 ms

Biso_europeu_Encinarejo_F_Moran_web.jpg

Biso_europeu_Encinarejo_F_Moran_web.jpg

823 ms

IMGokTFGAps2024.jpg

IMGokTFGAps2024.jpg

1034 ms

IMG_puntlila.png

IMG_puntlila.png

830 ms

VillaverdeWEB.jpg

VillaverdeWEB.jpg

662 ms

ISABELLE_ANGUELOVSKI_ICTA_UAB_GRAN.jpg

ISABELLE_ANGUELOVSKI_ICTA_UAB_GRAN.jpg

763 ms

IMG1MemEnginy2024.jpg

IMG1MemEnginy2024.jpg

764 ms

RecullPremsa_LaVanguardia_Bisons.jpg

RecullPremsa_LaVanguardia_Bisons.jpg

1011 ms

RecullMitjansInformeSemanalTVE_lopedeVega.jpg

RecullMitjansInformeSemanalTVE_lopedeVega.jpg

869 ms

milian.jpg

milian.jpg

935 ms

RecullPremsa_Ara_DamaMuntanyes.jpg

RecullPremsa_Ara_DamaMuntanyes.jpg

934 ms

UAB-legal.svg

UAB-legal.svg

1009 ms

jornadatransferencia.jpg

jornadatransferencia.jpg

947 ms

imatge01.jpg

imatge01.jpg

971 ms

imatge02.jpg

imatge02.jpg

954 ms

imatge03.jpg

imatge03.jpg

950 ms

imatge04.jpg

imatge04.jpg

968 ms

js

js

49 ms

analytics.js

analytics.js

36 ms

destination

destination

115 ms

88cfff48-7428-4f0b-82ec-d52846d0f463.js

88cfff48-7428-4f0b-82ec-d52846d0f463.js

112 ms

landing

landing

121 ms

collect

collect

46 ms

Accessibility Review

uab.cat accessibility score

100

Accessibility Issues

Best Practices

uab.cat 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

uab.cat 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

    CA

  • Language Claimed

    CA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uab.cat can be misinterpreted by Google and other search engines. Our service has detected that Catalan is used on the page, and it matches the claimed language. Our system also found out that Uab.cat 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

uab.cat

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