Tools & Wizards About Us
boni.nl screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

boni.nl

Welkom op het Boni! - St. Bonifatiuscollege Utrecht

Page Load Speed

3 sec in total

First Response

366 ms

Resources Loaded

2 sec

Page Rendered

639 ms

boni.nl screenshot

About Website

Visit boni.nl now to see the best up-to-date Boni content for Netherlands and also check out these interesting facts you probably never knew about boni.nl

Het Boni is een middelbare school voor havo, atheneum en gymnasium, met veel aandacht voor persoonlijke ontwikkeling en talenten.

Visit boni.nl

Key Findings

We analyzed Boni.nl page load time and found that the first response time was 366 ms and then it took 2.6 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

boni.nl performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

boni.nl

366 ms

boni.nl

444 ms

wp-emoji-release.min.js

146 ms

a5ff7.css

233 ms

254fe.css

334 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 84% of them (26 requests) were addressed to the original Boni.nl, 10% (3 requests) were made to Fonts.gstatic.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (823 ms) belongs to the original domain Boni.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 118.5 kB (4%)

Content Size

2.6 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Boni.nl main page is 2.6 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. 40% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 79.6 kB

  • Original 99.3 kB
  • After minification 97.5 kB
  • After compression 19.6 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 79.6 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 38.6 kB

  • Original 2.5 MB
  • After minification 2.4 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. Boni images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 40 B

  • Original 39.2 kB
  • After minification 39.2 kB
  • After compression 39.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 140 B

  • Original 44.2 kB
  • After minification 44.2 kB
  • After compression 44.0 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. Boni.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (26%)

Requests Now

23

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boni. 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 as a result speed up the page load time.

Network Requests Diagram

boni.nl

boni.nl

366 ms

boni.nl

boni.nl

444 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

146 ms

a5ff7.css

a5ff7.css

233 ms

254fe.css

254fe.css

334 ms

818c0.js

818c0.js

300 ms

css

css

49 ms

7283c.js

7283c.js

397 ms

f5ac6.js

f5ac6.js

262 ms

4407c.js

4407c.js

272 ms

864c2.js

864c2.js

398 ms

js

js

77 ms

boni_transparant338.png

boni_transparant338.png

94 ms

Boni2021hoofdpagina3.jpg

Boni2021hoofdpagina3.jpg

447 ms

Foto-4-scaled.jpg

Foto-4-scaled.jpg

419 ms

Logo-100jaar-Boni-RGB-new-1.jpg

Logo-100jaar-Boni-RGB-new-1.jpg

361 ms

boni-bonifatius-college-06.jpg

boni-bonifatius-college-06.jpg

261 ms

cultuurprofielschool.jpg

cultuurprofielschool.jpg

170 ms

u-talent.png

u-talent.png

175 ms

Unesco-Scholennetwerk-logo-Blauw.png

Unesco-Scholennetwerk-logo-Blauw.png

353 ms

Logo-GFS-e1573157893873.png

Logo-GFS-e1573157893873.png

345 ms

Logo-100jaar-Boni-new-1024x421.png

Logo-100jaar-Boni-new-1024x421.png

443 ms

1Boni-voorplat-1194x667.jpg

1Boni-voorplat-1194x667.jpg

823 ms

Boni-rekenonderwijs.jpg

Boni-rekenonderwijs.jpg

422 ms

Mac-Beth-1194x667.jpg

Mac-Beth-1194x667.jpg

518 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

65 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

65 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

65 ms

fa-solid-900.woff

fa-solid-900.woff

485 ms

fa-regular-400.woff

fa-regular-400.woff

567 ms

fa-brands-400.woff

fa-brands-400.woff

550 ms

Accessibility Review

boni.nl accessibility score

80

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

[role]s are not contained by their required parent element

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

boni.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

SEO Factors

boni.nl SEO score

84

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

    NL

  • Language Claimed

    NL

  • Encoding

    UTF-8

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

boni.nl

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