Tools & Wizards About Us
gomaruscollege.nl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

gomaruscollege.nl

Gomarus College: VO-school waar de Bijbel en het geloof centraal staan. - Gomarus

Page Load Speed

4.5 sec in total

First Response

338 ms

Resources Loaded

3.7 sec

Page Rendered

420 ms

gomaruscollege.nl screenshot

About Website

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

Het Gomarus College is een gereformeerde school met voortgezet onderwijs. Het Gomarus heeft locaties in Assen, Groningen, Leeuwarden en Drachten.

Visit gomaruscollege.nl

Key Findings

We analyzed Gomaruscollege.nl page load time and found that the first response time was 338 ms and then it took 4.2 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

gomaruscollege.nl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value3,170 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

Network Requests Diagram

gomaruscollege.nl

338 ms

gomaruscollege.nl

398 ms

www.gomaruscollege.nl

1537 ms

bke6rgf.js

222 ms

css

62 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 59% of them (16 requests) were addressed to the original Gomaruscollege.nl, 22% (6 requests) were made to Use.typekit.net and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Gomaruscollege.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 301.2 kB (26%)

Content Size

1.2 MB

After Optimization

878.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gomaruscollege.nl main page is 1.2 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. 30% of websites need less resources to load. Images take 786.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 18.4 kB

  • Original 22.7 kB
  • After minification 15.0 kB
  • After compression 4.3 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. This page needs HTML code to be minified as it can gain 7.7 kB, which is 34% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.4 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 12.0 kB

  • Original 786.1 kB
  • After minification 774.1 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. Gomarus College images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 128.5 kB

  • Original 209.2 kB
  • After minification 209.2 kB
  • After compression 80.6 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 128.5 kB or 61% of the original size.

CSS Optimization

-88%

Potential reduce by 142.2 kB

  • Original 161.5 kB
  • After minification 159.8 kB
  • After compression 19.3 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. Gomaruscollege.nl needs all CSS files to be minified and compressed as it can save up to 142.2 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (18%)

Requests Now

17

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gomarus College. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

gomaruscollege.nl

gomaruscollege.nl

338 ms

gomaruscollege.nl

gomaruscollege.nl

398 ms

www.gomaruscollege.nl

www.gomaruscollege.nl

1537 ms

bke6rgf.js

bke6rgf.js

222 ms

css

css

62 ms

combined.min.css

combined.min.css

435 ms

modernizr.min.js

modernizr.min.js

249 ms

combined.min.js

combined.min.js

567 ms

www.gomaruscollege.nl

www.gomaruscollege.nl

96 ms

analytics.js

analytics.js

29 ms

collect

collect

12 ms

logo-gomarus@2x.png

logo-gomarus@2x.png

88 ms

19d20fd237e0c5291596d42d338c90a6.jpg

19d20fd237e0c5291596d42d338c90a6.jpg

87 ms

743e837da3d54e748967beffbff403fd.jpg

743e837da3d54e748967beffbff403fd.jpg

88 ms

bg-noise.png

bg-noise.png

565 ms

icon-magister.png

icon-magister.png

166 ms

logo-gomarus-payoff@2x.png

logo-gomarus-payoff@2x.png

174 ms

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Qjzkjd2B8sOJXnG5VlQAmz1fgFlWliG4GsZGdwbSpV6ff5EsgsMdeMJ6Mk6g5MFfb2iRZeFKF2sKZQsyFhsK526aFhZcjQmRw2M3FhJtZebtFRmKwh4KjDwtwD6DwAZ8wcmywQSaZRjkwR9ajQqU5QI.woff

58 ms

h9G9mz4d0Sikm-W3M7uCLPLNX5TnlW1XjLGbPvP6aUMffVesgsMdeMJ6Mk6g5Msfb2iRZeFKF2sKZQsyFhsK526aFhZcjQmRw2M3FhJtZebtFRmKwh4KjDwtwD6DwAZ8wcmywQSaZRjkwR9ajQqU5QI.woff

h9G9mz4d0Sikm-W3M7uCLPLNX5TnlW1XjLGbPvP6aUMffVesgsMdeMJ6Mk6g5Msfb2iRZeFKF2sKZQsyFhsK526aFhZcjQmRw2M3FhJtZebtFRmKwh4KjDwtwD6DwAZ8wcmywQSaZRjkwR9ajQqU5QI.woff

122 ms

icomoon.ttf

icomoon.ttf

245 ms

clhLqOv7MXn459PTh0gXYPCElmnwKDalSnIV02fhbiI.ttf

clhLqOv7MXn459PTh0gXYPCElmnwKDalSnIV02fhbiI.ttf

29 ms

icons.woff

icons.woff

252 ms

cJabEoYeIfhJTztj4B4Y1zjI5VlWT-KOTQuYTLWC2NIff5rsgsMdeMJ6Mk6g5Mufb2iRZeFKF2sKZQsyFhsK526aFhZcjQmRw2M3FhJtZebtFRmKwh4KjDwtwD6DwAZ8wcmywQSaZRjkwR9ajQqU5QI.woff

cJabEoYeIfhJTztj4B4Y1zjI5VlWT-KOTQuYTLWC2NIff5rsgsMdeMJ6Mk6g5Mufb2iRZeFKF2sKZQsyFhsK526aFhZcjQmRw2M3FhJtZebtFRmKwh4KjDwtwD6DwAZ8wcmywQSaZRjkwR9ajQqU5QI.woff

120 ms

k0cmtPScSFsG9bdU67mtqkPWjW5ydWX2y2seB4n-yuMffVfsgsMdeMJ6Mk6g5Mofb2iRZeFKF2sKZQsyFhsK526aFhZcjQmRw2M3FhJtZebtFRmKwh4KjDwtwD6DwAZ8wcmywQSaZRjkwR9ajQqU5QI.woff

k0cmtPScSFsG9bdU67mtqkPWjW5ydWX2y2seB4n-yuMffVfsgsMdeMJ6Mk6g5Mofb2iRZeFKF2sKZQsyFhsK526aFhZcjQmRw2M3FhJtZebtFRmKwh4KjDwtwD6DwAZ8wcmywQSaZRjkwR9ajQqU5QI.woff

150 ms

8d715b24475bb81462d150d4eee0854f.jpg

8d715b24475bb81462d150d4eee0854f.jpg

677 ms

footer-large.jpg

footer-large.jpg

420 ms

p.gif

p.gif

122 ms

Accessibility Review

gomaruscollege.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

gomaruscollege.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

Missing source maps for large first-party JavaScript

SEO Factors

gomaruscollege.nl SEO score

100

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

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

gomaruscollege.nl

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