Tools & Wizards About Us
niow.nl screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

niow.nl

NIOW | Taaltraining en schrijftraining voor professionals

Page Load Speed

2.9 sec in total

First Response

272 ms

Resources Loaded

2.2 sec

Page Rendered

404 ms

niow.nl screenshot

About Website

Welcome to niow.nl homepage info - get ready to check NIOW best content for Netherlands right away, or after learning these important things about niow.nl

NIOW verzorgt zakelijke taal- en schrijftrainingen. Incompany, in een groep, individueel en online. 50+ jaar ervaring.

Visit niow.nl

Key Findings

We analyzed Niow.nl page load time and found that the first response time was 272 ms and then it took 2.7 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

niow.nl performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value6,540 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

niow.nl

272 ms

www.niow.nl

891 ms

grid.css

263 ms

niow-app.css

498 ms

navigation.css

255 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 76% of them (26 requests) were addressed to the original Niow.nl, 9% (3 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (891 ms) belongs to the original domain Niow.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 152.3 kB (42%)

Content Size

364.2 kB

After Optimization

211.9 kB

  • Images
  • JavaScript
  • CSS

In fact, the total size of Niow.nl main page is 364.2 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. 35% of websites need less resources to load. Javascripts take 199.2 kB which makes up the majority of the site volume.

HTML Optimization

-0%

Potential reduce by -8 B

  • Original 0 B

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 web page is already compressed.

Image Optimization

-8%

Potential reduce by 9.5 kB

  • Original 116.5 kB
  • After minification 107.0 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. NIOW images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 102.4 kB

  • Original 199.2 kB
  • After minification 196.6 kB
  • After compression 96.8 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 102.4 kB or 51% of the original size.

CSS Optimization

-83%

Potential reduce by 40.5 kB

  • Original 48.5 kB
  • After minification 37.0 kB
  • After compression 8.1 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. Niow.nl needs all CSS files to be minified and compressed as it can save up to 40.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (32%)

Requests Now

28

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NIOW. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

niow.nl

niow.nl

272 ms

www.niow.nl

www.niow.nl

891 ms

grid.css

grid.css

263 ms

niow-app.css

niow-app.css

498 ms

navigation.css

navigation.css

255 ms

niow-app.js

niow-app.js

817 ms

grid.js

grid.js

275 ms

navigation.js

navigation.js

277 ms

js

js

66 ms

css

css

32 ms

gtm.js

gtm.js

106 ms

f7edac18-c87c-4344-8a1b-294e1fcef993.js

f7edac18-c87c-4344-8a1b-294e1fcef993.js

512 ms

1hn0s6at5

1hn0s6at5

230 ms

logo_feest.png

logo_feest.png

99 ms

facebook.svg

facebook.svg

90 ms

linkedin.svg

linkedin.svg

99 ms

home.641c.svg

home.641c.svg

89 ms

incompany-taaltraining-0b2fe_1920x1080.jpg

incompany-taaltraining-0b2fe_1920x1080.jpg

463 ms

groepstraining2023web-8566e_1000x.jpg

groepstraining2023web-8566e_1000x.jpg

173 ms

5bb4b7e36a6dc1fb39ae42717a8225317f404a8e31177.svg

5bb4b7e36a6dc1fb39ae42717a8225317f404a8e31177.svg

172 ms

5bb4b84628b7cc2ccaaa7c0a9779838fb6d820482a2cb.svg

5bb4b84628b7cc2ccaaa7c0a9779838fb6d820482a2cb.svg

177 ms

bank-green-6f816.svg

bank-green-6f816.svg

186 ms

5bb4b7b632c5c74cfcb1e3575aeefe533f53e2ca332d3.svg

5bb4b7b632c5c74cfcb1e3575aeefe533f53e2ca332d3.svg

257 ms

5bb4b8576387371da9c29d7adca0623fd69603b4df73e.svg

5bb4b8576387371da9c29d7adca0623fd69603b4df73e.svg

255 ms

5bb4b7f04e0df7dbfc2a9b99eea814c1e94c726b7f6d5.svg

5bb4b7f04e0df7dbfc2a9b99eea814c1e94c726b7f6d5.svg

265 ms

trainersfoto2023web-139ad_1000x.jpg

trainersfoto2023web-139ad_1000x.jpg

459 ms

logo.svg

logo.svg

357 ms

green_right.6abb.svg

green_right.6abb.svg

329 ms

green_left.e170.svg

green_left.e170.svg

329 ms

white_right.9675.svg

white_right.9675.svg

368 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

20 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

35 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

35 ms

fontawesome-webfont.fee6.woff

fontawesome-webfont.fee6.woff

376 ms

Accessibility Review

niow.nl accessibility score

89

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.

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

niow.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

niow.nl SEO score

89

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Niow.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Niow.nl main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

niow.nl

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