Tools & Wizards About Us
webster.nl screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

webster.nl

Netherlands | Webster Leiden

Page Load Speed

3.1 sec in total

First Response

258 ms

Resources Loaded

2.1 sec

Page Rendered

774 ms

webster.nl screenshot

About Website

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

Feel at home at Webster Leiden, set in a university town full of lofty windmills, cyclists and picturesque canals, while participating in our challenging programming.

Visit webster.nl

Key Findings

We analyzed Webster.nl page load time and found that the first response time was 258 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

webster.nl performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value35.7 s

0/100

25%

SI (Speed Index)

Value26.0 s

0/100

10%

TBT (Total Blocking Time)

Value2,210 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.305

38/100

15%

TTI (Time to Interactive)

Value40.6 s

0/100

10%

Network Requests Diagram

webster.nl

258 ms

www.webster.nl

514 ms

app.css

488 ms

oustyles.css

205 ms

all.min.css

25 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 32% of them (17 requests) were addressed to the original Webster.nl, 11% (6 requests) were made to Templates2020.webster.edu and 11% (6 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (713 ms) belongs to the original domain Webster.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 655.8 kB (10%)

Content Size

6.7 MB

After Optimization

6.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Webster.nl main page is 6.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 56.1 kB

  • Original 67.9 kB
  • After minification 52.8 kB
  • After compression 11.8 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 15.1 kB, which is 22% 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 56.1 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 86.2 kB

  • Original 5.2 MB
  • After minification 5.1 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. Webster images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.0 kB

  • Original 864.0 kB
  • After minification 864.0 kB
  • After compression 862.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-85%

Potential reduce by 512.6 kB

  • Original 603.2 kB
  • After minification 482.4 kB
  • After compression 90.6 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. Webster.nl needs all CSS files to be minified and compressed as it can save up to 512.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (52%)

Requests Now

42

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Webster. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

webster.nl

webster.nl

258 ms

www.webster.nl

www.webster.nl

514 ms

app.css

app.css

488 ms

oustyles.css

oustyles.css

205 ms

all.min.css

all.min.css

25 ms

extra.css

extra.css

203 ms

osano.js

osano.js

340 ms

page.js

page.js

50 ms

app.js

app.js

432 ms

ou.js

ou.js

141 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

44 ms

motion_video_snippets.js

motion_video_snippets.js

159 ms

js2

js2

73 ms

embed.js

embed.js

57 ms

aav6kts.css

aav6kts.css

41 ms

p.css

p.css

32 ms

gtm.js

gtm.js

162 ms

gtm.js

gtm.js

247 ms

websterleidenlogo.png

websterleidenlogo.png

98 ms

human-rights-group-leiden-24.jpg

human-rights-group-leiden-24.jpg

482 ms

leidenhero.webp

leidenhero.webp

538 ms

jp-bike-555.jpg

jp-bike-555.jpg

477 ms

leiden-undergrad-377x377.jpg

leiden-undergrad-377x377.jpg

418 ms

leiden-grad-377x377.jpg

leiden-grad-377x377.jpg

477 ms

leiden-online-377x377.jpg

leiden-online-377x377.jpg

536 ms

campuses-leiden-hero-1600x565.jpg

campuses-leiden-hero-1600x565.jpg

713 ms

global-education-1600x565.jpg

global-education-1600x565.jpg

592 ms

webster-leiden-1600x565.jpg

webster-leiden-1600x565.jpg

559 ms

leiden-tuition-fees-1600x634.jpg

leiden-tuition-fees-1600x634.jpg

633 ms

leiden-interactive-435x572.jpg

leiden-interactive-435x572.jpg

630 ms

leiden-campus-01-555x404.jpg

leiden-campus-01-555x404.jpg

666 ms

leiden-footer.jpg

leiden-footer.jpg

707 ms

webster-leiden-logo-white_new.png

webster-leiden-logo-white_new.png

702 ms

one-billion-rising-24-master.jpg

one-billion-rising-24-master.jpg

565 ms

eu-leads-2023.jpg

eu-leads-2023.jpg

602 ms

d

d

33 ms

d

d

62 ms

BwcDRIDBJVJ6ozpIaBdHAwMji0NHcghMAgQ2MvBp7WD837qBpXcjE4PLZtYUNgYXFwCUHCoHAAA=

BwcDRIDBJVJ6ozpIaBdHAwMji0NHcghMAgQ2MvBp7WD837qBpXcjE4PLZtYUNgYXFwCUHCoHAAA=

3 ms

d

d

63 ms

d

d

134 ms

fa-solid-900.ttf

fa-solid-900.ttf

62 ms

fa-regular-400.ttf

fa-regular-400.ttf

133 ms

sm.25.html

sm.25.html

131 ms

eso.BRQnzO8v.js

eso.BRQnzO8v.js

144 ms

js

js

84 ms

js

js

81 ms

smartscript.js

smartscript.js

15 ms

js

js

137 ms

js

js

189 ms

acalltracker.js

acalltracker.js

441 ms

hotjar-151990.js

hotjar-151990.js

249 ms

jquery.dumbcrossfade-2.0.min.js

jquery.dumbcrossfade-2.0.min.js

452 ms

modules.1a30a0a67c3c23c13060.js

modules.1a30a0a67c3c23c13060.js

13 ms

Accessibility Review

webster.nl accessibility score

99

Accessibility Issues

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

webster.nl best practices score

83

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

webster.nl SEO score

98

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Webster.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 Webster.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

webster.nl

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