Tools & Wizards About Us
dijkmanenergysystems.nl screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

dijkmanenergysystems.nl

Zorgeloos profiteren van de zon | Dijkman Zonne-energie

Page Load Speed

4.5 sec in total

First Response

364 ms

Resources Loaded

3.4 sec

Page Rendered

732 ms

dijkmanenergysystems.nl screenshot

About Website

Visit dijkmanenergysystems.nl now to see the best up-to-date Dijkman Energysystems content and also check out these interesting facts you probably never knew about dijkmanenergysystems.nl

Dijkman zonne-energie en zonnepanelen. persoonlijk advies van onze specialisten, eigen montageteam en zorgeloos profiteren van de zon met Dijkman.nl

Visit dijkmanenergysystems.nl

Key Findings

We analyzed Dijkmanenergysystems.nl page load time and found that the first response time was 364 ms and then it took 4.1 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

dijkmanenergysystems.nl performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.397

25/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

dijkmanenergysystems.nl

364 ms

dijkman.nl

1235 ms

gtm.js

910 ms

10041132-10041412.js

95 ms

screen.min.css

510 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dijkmanenergysystems.nl, 78% (39 requests) were made to Dijkman.nl and 4% (2 requests) were made to Clarity.ms. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Dijkman.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 356.8 kB (29%)

Content Size

1.2 MB

After Optimization

864.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dijkmanenergysystems.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. 50% of websites need less resources to load. Javascripts take 575.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 51.7 kB

  • Original 63.1 kB
  • After minification 48.6 kB
  • After compression 11.4 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. This page needs HTML code to be minified as it can gain 14.4 kB, which is 23% 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 51.7 kB or 82% of the original size.

Image Optimization

-20%

Potential reduce by 110.1 kB

  • Original 537.5 kB
  • After minification 427.4 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. Obviously, Dijkman Energysystems needs image optimization as it can save up to 110.1 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-34%

Potential reduce by 194.9 kB

  • Original 575.5 kB
  • After minification 575.5 kB
  • After compression 380.6 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 194.9 kB or 34% of the original size.

CSS Optimization

-0%

Potential reduce by 89 B

  • Original 45.1 kB
  • After minification 45.1 kB
  • After compression 45.0 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. Dijkmanenergysystems.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (21%)

Requests Now

42

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dijkman Energysystems. 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.

Network Requests Diagram

dijkmanenergysystems.nl

dijkmanenergysystems.nl

364 ms

dijkman.nl

dijkman.nl

1235 ms

gtm.js

gtm.js

910 ms

10041132-10041412.js

10041132-10041412.js

95 ms

screen.min.css

screen.min.css

510 ms

optimize.js

optimize.js

56 ms

app.min.js

app.min.js

799 ms

check-list-orange.svg

check-list-orange.svg

91 ms

sun-white.svg

sun-white.svg

95 ms

arrow-right-white.svg

arrow-right-white.svg

180 ms

menu-active.svg

menu-active.svg

189 ms

Website%20Voorst.1fc75f081fd20c73f5d0650a15fec8b3.webp

Website%20Voorst.1fc75f081fd20c73f5d0650a15fec8b3.webp

546 ms

uitgelicht-image-stap1.f37051823bb9e5852977d2f3a4e692c9.jpg

uitgelicht-image-stap1.f37051823bb9e5852977d2f3a4e692c9.jpg

272 ms

EMS%20icon.5c01b81fca5d706c1c6dcbce8e09616e.webp

EMS%20icon.5c01b81fca5d706c1c6dcbce8e09616e.webp

272 ms

laadpaal%20icon.42dbb8c064f9a3b034137b632af7a549.webp

laadpaal%20icon.42dbb8c064f9a3b034137b632af7a549.webp

268 ms

batterij.702a228674f557c937fde2e336ed4d6e.webp

batterij.702a228674f557c937fde2e336ed4d6e.webp

282 ms

Max%20Dijkman%20header%20foto.675e648ccec5f66be118325a599910fd.jpg

Max%20Dijkman%20header%20foto.675e648ccec5f66be118325a599910fd.jpg

318 ms

werken%20bij%20dijkman%20zonne%20energie.8ebbe065425ce3e50f14b1f507abc488.jpg

werken%20bij%20dijkman%20zonne%20energie.8ebbe065425ce3e50f14b1f507abc488.jpg

377 ms

werken%20bij%20Dijkman2.79ee1304db2642b57f8ba2cb7ddae69b.png

werken%20bij%20Dijkman2.79ee1304db2642b57f8ba2cb7ddae69b.png

545 ms

iStock-1041727358.67b4cc7431e8c2fe86390f6750bd56f0.webp

iStock-1041727358.67b4cc7431e8c2fe86390f6750bd56f0.webp

545 ms

arrow-right-orange.svg

arrow-right-orange.svg

377 ms

Brian%20Thijs%20European%20Solar%20Games%20Nederland%202024.041a75b9c3696288fc24cb41dfeb738d.webp

Brian%20Thijs%20European%20Solar%20Games%20Nederland%202024.041a75b9c3696288fc24cb41dfeb738d.webp

445 ms

Besparen%20met%20zonnepanelen%20installatie%20-%20rijtjeswoningen%20dijkman.031663992d149d67734215eab9047527.webp

Besparen%20met%20zonnepanelen%20installatie%20-%20rijtjeswoningen%20dijkman.031663992d149d67734215eab9047527.webp

463 ms

Mark.8a969c736055e267204bf32b23ae379a.png

Mark.8a969c736055e267204bf32b23ae379a.png

741 ms

zonnepanelen%20monteur%20dijkman.0a3993a24303a1484e44e2e33f6ccdc7.webp

zonnepanelen%20monteur%20dijkman.0a3993a24303a1484e44e2e33f6ccdc7.webp

543 ms

_MIS5754.ea61574b4c61294a67fb82813f62f493.webp

_MIS5754.ea61574b4c61294a67fb82813f62f493.webp

556 ms

Dijkman%20energie%20management%20systeem%20.9d197a63b162e5a71933ef67b7db63b6.webp

Dijkman%20energie%20management%20systeem%20.9d197a63b162e5a71933ef67b7db63b6.webp

637 ms

Dijkman%20Zonne%20energie%20monteur%20met%20zonnepaneel.dcc65522068c5faf1c3f0c73682d4230.webp

Dijkman%20Zonne%20energie%20monteur%20met%20zonnepaneel.dcc65522068c5faf1c3f0c73682d4230.webp

638 ms

lensflare.png

lensflare.png

723 ms

feedback-company-icon-white.svg

feedback-company-icon-white.svg

632 ms

installq%20footer%202.png

installq%20footer%202.png

641 ms

Logo-Holland-Solar-Juni-2018.png

Logo-Holland-Solar-Juni-2018.png

721 ms

registered%20Solar-Specialist%20wit.png

registered%20Solar-Specialist%20wit.png

725 ms

registered%20Solar-Topfitter%20wit.png

registered%20Solar-Topfitter%20wit.png

727 ms

2021%20-%20Registered%20Storage-Specialist%20(1).png

2021%20-%20Registered%20Storage-Specialist%20(1).png

729 ms

sbb-beeldmerk-zw.png

sbb-beeldmerk-zw.png

810 ms

Logo-SGZE%20kleiner.png

Logo-SGZE%20kleiner.png

814 ms

Nen%201010_wit.png

Nen%201010_wit.png

816 ms

poppins-v13-latin-regular.woff

poppins-v13-latin-regular.woff

762 ms

font.woff

font.woff

751 ms

font.woff

font.woff

865 ms

caveat-v8-latin-regular.woff

caveat-v8-latin-regular.woff

833 ms

font.woff

font.woff

824 ms

uc.js

uc.js

68 ms

destination

destination

82 ms

analytics.js

analytics.js

59 ms

98qqoc5a49

98qqoc5a49

69 ms

ping.js

ping.js

126 ms

cc19d0b4-1d08-4675-bbdf-8b4787370536.js

cc19d0b4-1d08-4675-bbdf-8b4787370536.js

830 ms

clarity.js

clarity.js

53 ms

Accessibility Review

dijkmanenergysystems.nl accessibility score

86

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

ARIA progressbar elements do not have accessible names.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

dijkmanenergysystems.nl best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dijkmanenergysystems.nl SEO score

89

Search Engine Optimization Advices

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 Dijkmanenergysystems.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 Dijkmanenergysystems.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

dijkmanenergysystems.nl

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