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hum.uva.nl screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

hum.uva.nl

Universiteit van Amsterdam

Page Load Speed

3.7 sec in total

First Response

900 ms

Resources Loaded

2.6 sec

Page Rendered

229 ms

hum.uva.nl screenshot

About Website

Visit hum.uva.nl now to see the best up-to-date Hum Uva content for Netherlands and also check out these interesting facts you probably never knew about hum.uva.nl

Inspiring generations since 1632

Visit hum.uva.nl

Key Findings

We analyzed Hum.uva.nl page load time and found that the first response time was 900 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 50% of websites can load faster.

Performance Metrics

hum.uva.nl performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value1,070 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.212

59/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

faculteit-der-geesteswetenschappen

900 ms

style.css

437 ms

mobile.css

273 ms

modernizr-2.8.3.min.js

188 ms

require-2.1.20.min.js

276 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Hum.uva.nl, 12% (5 requests) were made to Uva.nl and 12% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (900 ms) relates to the external source Uva.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 114.8 kB (55%)

Content Size

206.9 kB

After Optimization

92.1 kB

  • HTML
  • JavaScript

In fact, the total size of Hum.uva.nl main page is 206.9 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. Javascripts take 136.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 60.3 kB

  • Original 70.3 kB
  • After minification 44.4 kB
  • After compression 10.0 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 25.9 kB, which is 37% 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 60.3 kB or 86% of the original size.

JavaScript Optimization

-40%

Potential reduce by 54.4 kB

  • Original 136.6 kB
  • After minification 136.5 kB
  • After compression 82.2 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 54.4 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (61%)

Requests Now

38

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hum Uva. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

faculteit-der-geesteswetenschappen

faculteit-der-geesteswetenschappen

900 ms

style.css

style.css

437 ms

mobile.css

mobile.css

273 ms

modernizr-2.8.3.min.js

modernizr-2.8.3.min.js

188 ms

require-2.1.20.min.js

require-2.1.20.min.js

276 ms

gtm.js

gtm.js

43 ms

logo.png

logo.png

107 ms

fgw-brievenbus-sjabloon.jpg

fgw-brievenbus-sjabloon.jpg

869 ms

list_arrow_down.png

list_arrow_down.png

101 ms

list_arrow.png

list_arrow.png

99 ms

list_arrow_down_black.png

list_arrow_down_black.png

102 ms

search.png

search.png

145 ms

columns_1-2-1.png

columns_1-2-1.png

205 ms

list_arrow_back.png

list_arrow_back.png

205 ms

list_arrow_down_purple.png

list_arrow_down_purple.png

205 ms

ul.png

ul.png

206 ms

send_groen.png

send_groen.png

206 ms

facebook_blauw.png

facebook_blauw.png

279 ms

linkedin_blauw.png

linkedin_blauw.png

282 ms

twitter_blauw.png

twitter_blauw.png

282 ms

googleplus_oranje.png

googleplus_oranje.png

283 ms

print_groenblauw.png

print_groenblauw.png

282 ms

instagram_bruin.png

instagram_bruin.png

283 ms

youtube_rood.png

youtube_rood.png

323 ms

96136-gebouw-pc-hoofthuis-fotomarcelvangaalen-dsc_3228-w1280_cr.jpg

96136-gebouw-pc-hoofthuis-fotomarcelvangaalen-dsc_3228-w1280_cr.jpg

652 ms

typeahead.js

typeahead.js

435 ms

main.js

main.js

524 ms

MetaWeb-Book.woff

MetaWeb-Book.woff

343 ms

MetaWeb-Bold.woff

MetaWeb-Bold.woff

469 ms

MetaSerifWeb-Bold.woff

MetaSerifWeb-Bold.woff

546 ms

siteanalyze_6004849.js

siteanalyze_6004849.js

42 ms

ga.js

ga.js

31 ms

analytics.js

analytics.js

77 ms

jquery.min.js

jquery.min.js

69 ms

__utm.gif

__utm.gif

90 ms

image.aspx

image.aspx

363 ms

ec.js

ec.js

55 ms

jquery-ui.min.js

jquery-ui.min.js

24 ms

collect

collect

32 ms

ca.js

ca.js

276 ms

close_white.png

close_white.png

93 ms

list_arrow_white.png

list_arrow_white.png

93 ms

Accessibility Review

hum.uva.nl accessibility score

100

Accessibility Issues

Best Practices

hum.uva.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

hum.uva.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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

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

hum.uva.nl

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