Tools & Wizards About Us
tue.nl screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

tue.nl

Eindhoven University of Technology

Page Load Speed

3.7 sec in total

First Response

292 ms

Resources Loaded

3.2 sec

Page Rendered

194 ms

tue.nl screenshot

About Website

Click here to check amazing Tue content for Netherlands. Otherwise, check out these important facts you probably never knew about tue.nl

Eindhoven University of Technology (TU/e) is a research university specializing in engineering science & technology.

Visit tue.nl

Key Findings

We analyzed Tue.nl page load time and found that the first response time was 292 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

tue.nl performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

tue.nl

292 ms

tue.nl

389 ms

406 ms

7015c8c4ac5ff815b57530b221005fc6.css

100 ms

CookieNotice.css

99 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 85% of them (57 requests) were addressed to the original Tue.nl, 4% (3 requests) were made to Google.com and 3% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Assets.w3.tue.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.5 kB (22%)

Content Size

934.6 kB

After Optimization

727.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tue.nl main page is 934.6 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. 55% of websites need less resources to load. Javascripts take 373.3 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 65.4 kB

  • Original 76.3 kB
  • After minification 59.0 kB
  • After compression 10.9 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 17.3 kB, which is 23% 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 65.4 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 358.2 kB
  • After minification 358.2 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. Tue images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 84.8 kB

  • Original 373.3 kB
  • After minification 372.8 kB
  • After compression 288.4 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 23% of the original size.

CSS Optimization

-45%

Potential reduce by 57.2 kB

  • Original 126.8 kB
  • After minification 114.3 kB
  • After compression 69.6 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. Tue.nl needs all CSS files to be minified and compressed as it can save up to 57.2 kB or 45% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (90%)

Requests Now

60

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tue. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tue.nl

tue.nl

292 ms

tue.nl

tue.nl

389 ms

406 ms

7015c8c4ac5ff815b57530b221005fc6.css

7015c8c4ac5ff815b57530b221005fc6.css

100 ms

CookieNotice.css

CookieNotice.css

99 ms

magnific-popup.css

magnific-popup.css

199 ms

pikaday.min.css

pikaday.min.css

197 ms

Style.min.css

Style.min.css

302 ms

TueMenu.min.css

TueMenu.min.css

298 ms

TueStyling.min.css

TueStyling.min.css

533 ms

cse.js

cse.js

50 ms

dfc25987ec0b988c9a083b0fbe99c4ee.js

dfc25987ec0b988c9a083b0fbe99c4ee.js

392 ms

CookieNotice.js

CookieNotice.js

392 ms

jquery-1_11_2.js

jquery-1_11_2.js

734 ms

donationForm.js

donationForm.js

393 ms

foundation.js

foundation.js

397 ms

pikaday.js

pikaday.js

489 ms

parseDate.js

parseDate.js

489 ms

dateFormat.js

dateFormat.js

490 ms

formDatePicker.js

formDatePicker.js

493 ms

modernizr.min.js

modernizr.min.js

632 ms

jquery.main.js

jquery.main.js

633 ms

magnific-popup.min.js

magnific-popup.min.js

630 ms

magnific-popup-initializer.js

magnific-popup-initializer.js

637 ms

stacktable.min.js

stacktable.min.js

638 ms

CreatePrintImages.js

CreatePrintImages.js

770 ms

MediaQueryChange.js

MediaQueryChange.js

768 ms

InitFoundation.js

InitFoundation.js

768 ms

CookieConsent.js

CookieConsent.js

777 ms

Form.min.js

Form.min.js

778 ms

svg4everybody.min.js

svg4everybody.min.js

857 ms

init.js

init.js

859 ms

globalNavigation.js

globalNavigation.js

858 ms

sideMainMenu.js

sideMainMenu.js

859 ms

stickyQuickLinksBar.js

stickyQuickLinksBar.js

861 ms

scrollingHeader.js

scrollingHeader.js

862 ms

searchBox.js

searchBox.js

923 ms

mobileNavigation.js

mobileNavigation.js

925 ms

objectfit.min.js

objectfit.min.js

925 ms

foundation.accordion.js

foundation.accordion.js

926 ms

init.js

init.js

846 ms

sectionMenu.js

sectionMenu.js

846 ms

readMore.js

readMore.js

823 ms

loadMore.js

loadMore.js

824 ms

eventFormDatePicker.js

eventFormDatePicker.js

725 ms

filters.js

filters.js

712 ms

scrollToTop.js

scrollToTop.js

643 ms

smoothScroll.js

smoothScroll.js

644 ms

formfilefieldfix.js

formfilefieldfix.js

724 ms

focusFields.js

focusFields.js

721 ms

contentSlider.js

contentSlider.js

630 ms

donationTeaser.js

donationTeaser.js

630 ms

cse_element__en.js

cse_element__en.js

28 ms

default+en.css

default+en.css

78 ms

default.css

default.css

82 ms

gtm.js

gtm.js

154 ms

csm_Delia%204_8966678ef9.jpg

csm_Delia%204_8966678ef9.jpg

1104 ms

sprite.svg

sprite.svg

580 ms

sprite.svg

sprite.svg

582 ms

lato-regular.woff

lato-regular.woff

583 ms

lato-bold.woff

lato-bold.woff

578 ms

Gilroy-ExtraBold.woff

Gilroy-ExtraBold.woff

548 ms

Gilroy-Light.woff

Gilroy-Light.woff

609 ms

analytics.js

analytics.js

30 ms

insight.min.js

insight.min.js

62 ms

collect

collect

20 ms

async-ads.js

async-ads.js

78 ms

Accessibility Review

tue.nl accessibility score

91

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

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

tue.nl 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

Page has valid source maps

SEO Factors

tue.nl SEO score

92

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

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 Tue.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 Tue.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

tue.nl

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