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erasmusmc.itslearning.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

erasmusmc.itslearning.com

Aanmeldingspagina van itslearning

Page Load Speed

4.1 sec in total

First Response

226 ms

Resources Loaded

3.7 sec

Page Rendered

216 ms

erasmusmc.itslearning.com screenshot

About Website

Visit erasmusmc.itslearning.com now to see the best up-to-date Erasmusmc Itslearning content for France and also check out these interesting facts you probably never knew about erasmusmc.itslearning.com

Visit erasmusmc.itslearning.com

Key Findings

We analyzed Erasmusmc.itslearning.com page load time and found that the first response time was 226 ms and then it took 3.9 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

erasmusmc.itslearning.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

12/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.216

58/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

erasmusmc.itslearning.com

226 ms

index.aspx

683 ms

itsl.css

638 ms

custom.css

486 ms

jquery-ui-1.11.4.custom.css

485 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Erasmusmc.itslearning.com, 91% (32 requests) were made to Cdn.itslearning.com and 3% (1 request) were made to Files.itslearning.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Files.itslearning.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (74%)

Content Size

1.9 MB

After Optimization

503.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Erasmusmc.itslearning.com main page is 1.9 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. 20% of websites need less resources to load. Javascripts take 953.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 20.1 kB

  • Original 26.8 kB
  • After minification 25.5 kB
  • After compression 6.7 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 20.1 kB or 75% of the original size.

Image Optimization

-71%

Potential reduce by 387.5 kB

  • Original 549.5 kB
  • After minification 162.1 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, Erasmusmc Itslearning needs image optimization as it can save up to 387.5 kB or 71% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 690.7 kB

  • Original 953.8 kB
  • After minification 953.7 kB
  • After compression 263.1 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 690.7 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 325.5 kB

  • Original 397.3 kB
  • After minification 397.3 kB
  • After compression 71.7 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. Erasmusmc.itslearning.com needs all CSS files to be minified and compressed as it can save up to 325.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (79%)

Requests Now

28

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Erasmusmc Itslearning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

erasmusmc.itslearning.com

erasmusmc.itslearning.com

226 ms

index.aspx

index.aspx

683 ms

itsl.css

itsl.css

638 ms

custom.css

custom.css

486 ms

jquery-ui-1.11.4.custom.css

jquery-ui-1.11.4.custom.css

485 ms

Common.js

Common.js

486 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

491 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

730 ms

jquery-ui-1.11.4.custom.min.js

jquery-ui-1.11.4.custom.min.js

787 ms

commonControlLibrary.min.js

commonControlLibrary.min.js

1160 ms

ccl.css

ccl.css

207 ms

login-square.png

login-square.png

507 ms

RssFeed16.png

RssFeed16.png

109 ms

brand.png

brand.png

97 ms

flag_nl16.png

flag_nl16.png

101 ms

customer_logo.png

customer_logo.png

1354 ms

OpenSans-Light-webfont.woff

OpenSans-Light-webfont.woff

209 ms

OpenSans-Regular-webfont.woff

OpenSans-Regular-webfont.woff

324 ms

OpenSans-Semibold-webfont.woff

OpenSans-Semibold-webfont.woff

201 ms

OpenSans-Bold-webfont.woff

OpenSans-Bold-webfont.woff

301 ms

OpenSans-ExtraBold-webfont.woff

OpenSans-ExtraBold-webfont.woff

208 ms

flag_no16.png

flag_no16.png

168 ms

flag_fr16.png

flag_fr16.png

223 ms

flag_dk16.png

flag_dk16.png

234 ms

flag_de16.png

flag_de16.png

246 ms

flag_uk16.png

flag_uk16.png

268 ms

flag_us16.png

flag_us16.png

316 ms

flag_es16.png

flag_es16.png

326 ms

flag_it16.png

flag_it16.png

334 ms

flag_lt16.png

flag_lt16.png

346 ms

flag_pl16.png

flag_pl16.png

357 ms

flag_br16.png

flag_br16.png

368 ms

flag_fi16.png

flag_fi16.png

409 ms

flag_se16.png

flag_se16.png

424 ms

flag_tr16.png

flag_tr16.png

436 ms

Accessibility Review

erasmusmc.itslearning.com accessibility score

100

Accessibility Issues

Best Practices

erasmusmc.itslearning.com best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

erasmusmc.itslearning.com SEO score

85

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

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

erasmusmc.itslearning.com

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