Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

library.maastrichtuniversity.nl

Online Library - Universiteitsbibliotheek - UB - Maastricht University Library

Page Load Speed

4.7 sec in total

First Response

621 ms

Resources Loaded

3.7 sec

Page Rendered

356 ms

library.maastrichtuniversity.nl screenshot

About Website

Click here to check amazing Library Maastricht University content for Netherlands. Otherwise, check out these important facts you probably never knew about library.maastrichtuniversity.nl

The Maastricht University Library aims to be an inspiring partner in research and education within the UM community.

Visit library.maastrichtuniversity.nl

Key Findings

We analyzed Library.maastrichtuniversity.nl page load time and found that the first response time was 621 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

library.maastrichtuniversity.nl performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

library.maastrichtuniversity.nl

621 ms

lazyload.min.js

106 ms

UM_Logo_OnlineLibrary2021_groot1.png

184 ms

lazy_image.png

272 ms

UM_MUMC_logo_transparant_0marge_dark.webp

377 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 70% of them (14 requests) were addressed to the original Library.maastrichtuniversity.nl, 30% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (935 ms) belongs to the original domain Library.maastrichtuniversity.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 433.0 kB (83%)

Content Size

519.4 kB

After Optimization

86.4 kB

In fact, the total size of Library.maastrichtuniversity.nl main page is 519.4 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. 40% of websites need less resources to load. HTML takes 510.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 432.6 kB

  • Original 510.1 kB
  • After minification 505.5 kB
  • After compression 77.5 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 432.6 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 356 B

  • Original 9.3 kB
  • After minification 9.0 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. Library Maastricht University images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Library Maastricht University. According to our analytics all requests are already optimized.

Accessibility Review

library.maastrichtuniversity.nl accessibility score

96

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

Links do not have a discernible name

Best Practices

library.maastrichtuniversity.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

library.maastrichtuniversity.nl SEO score

100

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Library.maastrichtuniversity.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Library.maastrichtuniversity.nl 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 Library Maastricht University. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: