Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

vdberg.be

Verwarming, sanitair & badkamers | Installatiebedrijf van den berg | Hoogstraten

Page Load Speed

3.6 sec in total

First Response

331 ms

Resources Loaded

2.9 sec

Page Rendered

369 ms

vdberg.be screenshot

About Website

Welcome to vdberg.be homepage info - get ready to check Vd Berg best content right away, or after learning these important things about vdberg.be

Installatiebedrijf uit Hoogstraten garandeert een totaalservice voor verwarmingsinstallaties, sanitair, badkamerrenovaties en zonne-energie.

Visit vdberg.be

Key Findings

We analyzed Vdberg.be page load time and found that the first response time was 331 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

vdberg.be performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value2,300 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

vdberg.be

331 ms

vdberg.be

350 ms

www.vdberg.be

255 ms

www.vdberg.be

383 ms

home

511 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 79% of them (34 requests) were addressed to the original Vdberg.be, 7% (3 requests) were made to Googletagmanager.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (776 ms) belongs to the original domain Vdberg.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 116.2 kB (9%)

Content Size

1.3 MB

After Optimization

1.2 MB

In fact, the total size of Vdberg.be main page is 1.3 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. 60% of websites need less resources to load. Images take 814.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 28.7 kB

  • Original 35.2 kB
  • After minification 29.4 kB
  • After compression 6.5 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 5.8 kB, which is 16% 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 28.7 kB or 82% of the original size.

Image Optimization

-10%

Potential reduce by 83.0 kB

  • Original 814.8 kB
  • After minification 731.8 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. Vd Berg images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.5 kB

  • Original 415.4 kB
  • After minification 415.4 kB
  • After compression 413.9 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

-7%

Potential reduce by 3.0 kB

  • Original 40.5 kB
  • After minification 40.5 kB
  • After compression 37.5 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. Vdberg.be has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (27%)

Requests Now

33

After Optimization

24

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vd Berg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

vdberg.be accessibility score

76

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

vdberg.be best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

vdberg.be SEO score

81

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

    N/A

  • Encoding

    UTF-8

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

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