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About Website

Click here to check amazing Dutch Language Institute content. Otherwise, check out these important facts you probably never knew about dutchlanguageinstitute.nl

ITHA language institute specialized in Dutch language courses since 1991 We organize intensive Dutch language programs for foreigners from absolute beginners to state exam level NT2-2 and C1.

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

dutchlanguageinstitute.nl

775 ms

jquery-1.4.2.min.js

442 ms

jquery.ifixpng.js

170 ms

jquery.easing.1.3.js

260 ms

base.js

261 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 85% of them (28 requests) were addressed to the original Dutchlanguageinstitute.nl, 9% (3 requests) were made to Itha.nl and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (775 ms) belongs to the original domain Dutchlanguageinstitute.nl.

Content Size

204.8 kB

After Optimization

97.4 kB

In fact, the total size of Dutchlanguageinstitute.nl main page is 204.8 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. 15% of websites need less resources to load. Javascripts take 114.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 16.9 kB

Original 22.2 kB
After minification 21.8 kB
After compression 5.2 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 16.9 kB or 76% of the original size.

Image Optimization

-8%

Potential reduce by 4.6 kB

Original 55.6 kB
After minification 51.0 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. Dutch Language Institute images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 76.4 kB

Original 114.6 kB
After minification 103.2 kB
After compression 38.2 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 76.4 kB or 67% of the original size.

CSS Optimization

-76%

Potential reduce by 9.4 kB

Original 12.4 kB
After minification 9.9 kB
After compression 3.0 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. Dutchlanguageinstitute.nl needs all CSS files to be minified and compressed as it can save up to 9.4 kB or 76% of the original size.

Requests Now

After Optimization

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dutch Language Institute. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dutchlanguageinstitute.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dutchlanguageinstitute.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

dutchlanguageinstitute.nl

Open Graph description is not detected on the main page of Dutch Language Institute. 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:

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Performance

Accessibility

Best Practices

SEO

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Page Load Speed

First Response

Resources Loaded

Page Rendered