Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

bibeco.ulb.ac.be

Bibliothèque d'économie et de gestion : la Bibliothèque électronique économique de l'Université Libre de Bruxelles

Page Load Speed

2.4 sec in total

First Response

443 ms

Resources Loaded

1.9 sec

Page Rendered

139 ms

bibeco.ulb.ac.be screenshot

About Website

Click here to check amazing Bibeco Ulb content for Belgium. Otherwise, check out these important facts you probably never knew about bibeco.ulb.ac.be

Bibliothèque d'économie et de gestion. Portail Économie et Gestion. L'économie d'un seul clic, tel est le slogan de la bibliothèque électronique économique de l'Université libre de Bruxelles (ULB). Él...

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Key Findings

We analyzed Bibeco.ulb.ac.be page load time and found that the first response time was 443 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

bibeco.ulb.ac.be performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

bibeco.ulb.ac.be

443 ms

www.bibeco.ulb.be

717 ms

urchin.js

8 ms

__utm.gif

18 ms

sbs.jpg

267 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Bibeco.ulb.ac.be, 88% (21 requests) were made to Bibeco.ulb.be and 4% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (717 ms) relates to the external source Bibeco.ulb.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 89.7 kB (11%)

Content Size

829.4 kB

After Optimization

739.7 kB

In fact, the total size of Bibeco.ulb.ac.be main page is 829.4 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. 25% of websites need less resources to load. Images take 814.1 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 5.8 kB

  • Original 8.5 kB
  • After minification 8.4 kB
  • After compression 2.6 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 5.8 kB or 69% of the original size.

Image Optimization

-10%

Potential reduce by 82.9 kB

  • Original 814.1 kB
  • After minification 731.2 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. Bibeco Ulb images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 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 971 B or 14% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibeco Ulb. According to our analytics all requests are already optimized.

Accessibility Review

bibeco.ulb.ac.be accessibility score

58

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

bibeco.ulb.ac.be best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

bibeco.ulb.ac.be SEO score

67

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibeco.ulb.ac.be 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Bibeco.ulb.ac.be main page’s claimed encoding is iso-8859-1. 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

Open Graph description is not detected on the main page of Bibeco Ulb. 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: