Tools & Wizards About Us
bsbstaalbouw.nl screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

bsbstaalbouw.nl

Ontwerpen, fabriceren & monteren van (staal)constructies & installaties

Page Load Speed

7.4 sec in total

First Response

2.8 sec

Resources Loaded

4.2 sec

Page Rendered

379 ms

bsbstaalbouw.nl screenshot

About Website

Welcome to bsbstaalbouw.nl homepage info - get ready to check Bsb Staal Bouw best content right away, or after learning these important things about bsbstaalbouw.nl

Technische installatie of (staal)constructie nodig? Besto Groep ontzorgt van A tot Z (van ontwerp tot montage). Maak vrijblijvend een afspraak!

Visit bsbstaalbouw.nl

Key Findings

We analyzed Bsbstaalbouw.nl page load time and found that the first response time was 2.8 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bsbstaalbouw.nl performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value22.2 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value3,380 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.476

18/100

15%

TTI (Time to Interactive)

Value26.9 s

0/100

10%

Network Requests Diagram

www.bestogroep.nl

2811 ms

0f7e84d5ae657f5e748f6be8afa43ef9_0.js

197 ms

js

68 ms

0f7e84d5ae657f5e748f6be8afa43ef9_1.js

301 ms

0f7e84d5ae657f5e748f6be8afa43ef9_2.js

283 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Bsbstaalbouw.nl, 19% (6 requests) were made to Youtube.com and 6% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Bestogroep.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.2 kB (15%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bsbstaalbouw.nl main page is 1.5 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. Javascripts take 653.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 145.4 kB

  • Original 174.8 kB
  • After minification 174.8 kB
  • After compression 29.4 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 145.4 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 15.5 kB

  • Original 591.6 kB
  • After minification 576.0 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. Bsb Staal Bouw images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 60.3 kB

  • Original 653.7 kB
  • After minification 653.5 kB
  • After compression 593.4 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 0 B

  • Original 59.7 kB
  • After minification 59.7 kB
  • After compression 59.7 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. Bsbstaalbouw.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (54%)

Requests Now

26

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bsb Staal Bouw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.bestogroep.nl

www.bestogroep.nl

2811 ms

0f7e84d5ae657f5e748f6be8afa43ef9_0.js

0f7e84d5ae657f5e748f6be8afa43ef9_0.js

197 ms

js

js

68 ms

0f7e84d5ae657f5e748f6be8afa43ef9_1.js

0f7e84d5ae657f5e748f6be8afa43ef9_1.js

301 ms

0f7e84d5ae657f5e748f6be8afa43ef9_2.js

0f7e84d5ae657f5e748f6be8afa43ef9_2.js

283 ms

0f7e84d5ae657f5e748f6be8afa43ef9_3.js

0f7e84d5ae657f5e748f6be8afa43ef9_3.js

300 ms

0f7e84d5ae657f5e748f6be8afa43ef9_4.js

0f7e84d5ae657f5e748f6be8afa43ef9_4.js

300 ms

api.js

api.js

40 ms

0f7e84d5ae657f5e748f6be8afa43ef9_5.js

0f7e84d5ae657f5e748f6be8afa43ef9_5.js

776 ms

gtm.js

gtm.js

80 ms

ZAyyuNIT_OE

ZAyyuNIT_OE

148 ms

YGtE_lrR7CU

YGtE_lrR7CU

469 ms

BESTO-002.png

BESTO-002.png

132 ms

fabricage-staal-homepage.jpg

fabricage-staal-homepage.jpg

536 ms

montage-homepage.jpg

montage-homepage.jpg

593 ms

besto-constructiewerken-vca2-certificering.jpg

besto-constructiewerken-vca2-certificering.jpg

535 ms

projectleiding-homepage.jpg

projectleiding-homepage.jpg

593 ms

metaalunie-logo.png

metaalunie-logo.png

414 ms

SBB-logo.png

SBB-logo.png

535 ms

fa-regular-400.woff

fa-regular-400.woff

557 ms

fa-solid-900.woff

fa-solid-900.woff

654 ms

awb-icons.woff

awb-icons.woff

558 ms

recaptcha__en.js

recaptcha__en.js

22 ms

www-player.css

www-player.css

14 ms

www-embed-player.js

www-embed-player.js

35 ms

base.js

base.js

58 ms

ad_status.js

ad_status.js

275 ms

RAiHx6Z8aI87xfn3BcPOACt6MzvCMtPfFa8gMAvLcEc.js

RAiHx6Z8aI87xfn3BcPOACt6MzvCMtPfFa8gMAvLcEc.js

178 ms

embed.js

embed.js

138 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

139 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

140 ms

id

id

125 ms

Accessibility Review

bsbstaalbouw.nl accessibility score

85

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

button, link, and menuitem elements do not have accessible names.

High

[aria-hidden="true"] elements contain focusable descendents

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

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

Form elements do not have associated labels

Best Practices

bsbstaalbouw.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

bsbstaalbouw.nl SEO score

98

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

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 Bsbstaalbouw.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 Bsbstaalbouw.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

bsbstaalbouw.nl

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