Tools & Wizards About Us
weblectures.hu.nl screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

weblectures.hu.nl

Weblectures.hu.nl vanaf 1 juli niet meer actief | Digitale HU

Page Load Speed

3.5 sec in total

First Response

281 ms

Resources Loaded

3.1 sec

Page Rendered

179 ms

weblectures.hu.nl screenshot

About Website

Click here to check amazing Weblectures HU content for Netherlands. Otherwise, check out these important facts you probably never knew about weblectures.hu.nl

Complete and Easy-to-Use Streaming Solutions for Lecture Capture, Event Webcasting and Enterprise Video Content Management by Presentations 2Go.

Visit weblectures.hu.nl

Key Findings

We analyzed Weblectures.hu.nl page load time and found that the first response time was 281 ms and then it took 3.2 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

weblectures.hu.nl performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value380 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

weblectures.hu.nl

281 ms

default.aspx

573 ms

cataloguepage.aspx

660 ms

Main.css

273 ms

Navigation.css

279 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 85% of them (64 requests) were addressed to the original Weblectures.hu.nl, 4% (3 requests) were made to Platform.twitter.com and 3% (2 requests) were made to Platform.linkedin.com. The less responsive or slowest element that took the longest time to load (996 ms) belongs to the original domain Weblectures.hu.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 932.0 kB (63%)

Content Size

1.5 MB

After Optimization

540.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Weblectures.hu.nl main page is 1.5 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. 45% of websites need less resources to load. Javascripts take 799.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 245.1 kB

  • Original 292.5 kB
  • After minification 286.6 kB
  • After compression 47.4 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 245.1 kB or 84% of the original size.

Image Optimization

-16%

Potential reduce by 48.7 kB

  • Original 307.1 kB
  • After minification 258.4 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. Obviously, Weblectures HU needs image optimization as it can save up to 48.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 580.7 kB

  • Original 799.5 kB
  • After minification 755.2 kB
  • After compression 218.9 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 580.7 kB or 73% of the original size.

CSS Optimization

-79%

Potential reduce by 57.6 kB

  • Original 73.1 kB
  • After minification 65.4 kB
  • After compression 15.6 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. Weblectures.hu.nl needs all CSS files to be minified and compressed as it can save up to 57.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (50%)

Requests Now

72

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Weblectures HU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

weblectures.hu.nl

weblectures.hu.nl

281 ms

default.aspx

default.aspx

573 ms

cataloguepage.aspx

cataloguepage.aspx

660 ms

Main.css

Main.css

273 ms

Navigation.css

Navigation.css

279 ms

VideoManager.css

VideoManager.css

293 ms

master.css

master.css

392 ms

custom.css

custom.css

294 ms

jquery-ui.min.css

jquery-ui.min.css

496 ms

jquery.qtip.min.css

jquery.qtip.min.css

376 ms

ui.jqgrid.css

ui.jqgrid.css

479 ms

jquery.min.js

jquery.min.js

677 ms

jquery-ui.min.js

jquery-ui.min.js

865 ms

jquery-ui-timepicker-addon.js

jquery-ui-timepicker-addon.js

494 ms

grid.locale-en.js

grid.locale-en.js

498 ms

jquery.jqGrid.min.js

jquery.jqGrid.min.js

974 ms

jquery.qtip.min.js

jquery.qtip.min.js

614 ms

datepicker-ar.js

datepicker-ar.js

601 ms

datepicker-da.js

datepicker-da.js

601 ms

datepicker-de.js

datepicker-de.js

698 ms

datepicker-es.js

datepicker-es.js

705 ms

datepicker-fr.js

datepicker-fr.js

709 ms

datepicker-it.js

datepicker-it.js

774 ms

datepicker-ko.js

datepicker-ko.js

794 ms

datepicker-nl.js

datepicker-nl.js

800 ms

datepicker-no.js

datepicker-no.js

804 ms

datepicker-ru.js

datepicker-ru.js

886 ms

datepicker-sv.js

datepicker-sv.js

889 ms

datepicker-tr.js

datepicker-tr.js

895 ms

datepicker-zh-CN.js

datepicker-zh-CN.js

899 ms

datepicker-zh-TW.js

datepicker-zh-TW.js

957 ms

jquery.simplePagination.js

jquery.simplePagination.js

989 ms

ZeroClipboard.min.js

ZeroClipboard.min.js

996 ms

simplePagination.css

simplePagination.css

992 ms

WebResource.axd

WebResource.axd

827 ms

widgets.js

widgets.js

122 ms

in.js

in.js

38 ms

administration.png

administration.png

255 ms

live.png

live.png

249 ms

video.png

video.png

251 ms

upload.png

upload.png

251 ms

subscriptions.png

subscriptions.png

254 ms

DoNotFeed.gif

DoNotFeed.gif

252 ms

oai.gif

oai.gif

261 ms

social-media.png

social-media.png

261 ms

btnMore.png

btnMore.png

264 ms

img-help.png

img-help.png

262 ms

btnMetadataMore.png

btnMetadataMore.png

263 ms

btnMetadataHide.png

btnMetadataHide.png

262 ms

LoadingData.gif

LoadingData.gif

308 ms

transcoding.gif

transcoding.gif

308 ms

layout1.png

layout1.png

323 ms

layout2.png

layout2.png

324 ms

layout3.png

layout3.png

323 ms

layout4.png

layout4.png

322 ms

layout5.png

layout5.png

382 ms

layout6.png

layout6.png

383 ms

layout7.png

layout7.png

408 ms

ProductLogo.gif

ProductLogo.gif

411 ms

like.php

like.php

232 ms

secureAnonymousFramework

secureAnonymousFramework

21 ms

ui-bg_glass_75_e6e6e6_1x400.png

ui-bg_glass_75_e6e6e6_1x400.png

379 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

63 ms

banner.png

banner.png

349 ms

logo.png

logo.png

357 ms

ui-bg_flat_75_ffffff_40x100.png

ui-bg_flat_75_ffffff_40x100.png

263 ms

ui-bg_highlight-soft_75_cccccc_1x100.png

ui-bg_highlight-soft_75_cccccc_1x100.png

355 ms

ui-icons_888888_256x240.png

ui-icons_888888_256x240.png

442 ms

ui-icons_222222_256x240.png

ui-icons_222222_256x240.png

446 ms

TY3MhkXpWJ-.js

TY3MhkXpWJ-.js

312 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

351 ms

share

share

63 ms

sprite_connect_v14.png

sprite_connect_v14.png

57 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html

54 ms

jot

jot

91 ms

Accessibility Review

weblectures.hu.nl accessibility score

95

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

weblectures.hu.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

High

Page has valid source maps

SEO Factors

weblectures.hu.nl SEO score

92

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

    NL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Weblectures.hu.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it does not match the claimed English language. Our system also found out that Weblectures.hu.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

weblectures.hu.nl

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