Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

itc.nl

ITC | Faculty of Geo-information Science and Earth Observation | University of Twente

Page Load Speed

3 sec in total

First Response

378 ms

Resources Loaded

2.1 sec

Page Rendered

462 ms

About Website

Welcome to itc.nl homepage info - get ready to check ITC best content for Ethiopia right away, or after learning these important things about itc.nl

ITC is recognized worldwide for achievements in teaching, research and capacity development in the field of geo-information science and earth observation. We educate our students to be professionals, ...

Visit itc.nl

Key Findings

We analyzed Itc.nl page load time and found that the first response time was 378 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

itc.nl performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.817

4/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

itc.nl

378 ms

itc.nl

379 ms

www.itc.nl

660 ms

ap.css

476 ms

ut-logo-white-en.svg

505 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 8% of them (3 requests) were addressed to the original Itc.nl, 92% (33 requests) were made to 1348661504.rsc.cdn77.org. The less responsive or slowest element that took the longest time to load (660 ms) belongs to the original domain Itc.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.8 kB (2%)

Content Size

13.1 MB

After Optimization

12.8 MB

In fact, the total size of Itc.nl main page is 13.1 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. 55% of websites need less resources to load. Images take 13.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 42.8 kB

  • Original 54.8 kB
  • After minification 54.7 kB
  • After compression 12.0 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. 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 42.8 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 212.0 kB

  • Original 13.0 MB
  • After minification 12.8 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. ITC images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

26

After Optimization

26

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ITC. According to our analytics all requests are already optimized.

Accessibility Review

itc.nl accessibility score

78

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

[aria-*] attributes do not match their roles

High

[role] values are not valid

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

itc.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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

itc.nl SEO score

83

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Itc.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 Itc.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

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