Tools & Wizards About Us
verlichting.nl screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

verlichting.nl

Het digitale tijdschrift voor verlichting professionals

Page Load Speed

20.5 sec in total

First Response

477 ms

Resources Loaded

17.2 sec

Page Rendered

2.8 sec

verlichting.nl screenshot

About Website

Click here to check amazing Verlichting content for Netherlands. Otherwise, check out these important facts you probably never knew about verlichting.nl

Verlichting.nl publiceert nieuws op het gebied van verlichting projecten, producten vacatures en bedrijven.

Visit verlichting.nl

Key Findings

We analyzed Verlichting.nl page load time and found that the first response time was 477 ms and then it took 20 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

verlichting.nl performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value1,190 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.222

56/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

verlichting.nl

477 ms

www.verlichting.nl

594 ms

platform.js

47 ms

style.min.css

112 ms

jquery.min.js

46 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 67% of them (41 requests) were addressed to the original Verlichting.nl, 10% (6 requests) were made to Youtube.com and 8% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (15 sec) belongs to the original domain Verlichting.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (14%)

Content Size

13.0 MB

After Optimization

11.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Verlichting.nl main page is 13.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 12.7 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 18.4 kB

  • Original 24.3 kB
  • After minification 23.0 kB
  • After compression 5.9 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 18.4 kB or 76% of the original size.

Image Optimization

-14%

Potential reduce by 1.8 MB

  • Original 12.7 MB
  • After minification 10.9 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. Obviously, Verlichting needs image optimization as it can save up to 1.8 MB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 3.5 kB

  • Original 240.4 kB
  • After minification 240.4 kB
  • After compression 236.9 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

-0%

Potential reduce by 227 B

  • Original 67.1 kB
  • After minification 67.1 kB
  • After compression 66.9 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. Verlichting.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (44%)

Requests Now

54

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Verlichting. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

verlichting.nl

verlichting.nl

477 ms

www.verlichting.nl

www.verlichting.nl

594 ms

platform.js

platform.js

47 ms

style.min.css

style.min.css

112 ms

jquery.min.js

jquery.min.js

46 ms

jquery.fancybox.css

jquery.fancybox.css

239 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

356 ms

jquery.fancybox.js

jquery.fancybox.js

470 ms

jquery.simplyscroll.css

jquery.simplyscroll.css

474 ms

jquery.simplyscroll.js

jquery.simplyscroll.js

472 ms

verlichting.min.js

verlichting.min.js

493 ms

js

js

99 ms

css

css

57 ms

socialShare.js

socialShare.js

493 ms

menuOpen.png

menuOpen.png

127 ms

menuclose.png

menuclose.png

126 ms

logoVerwarming-small.png

logoVerwarming-small.png

126 ms

socialmedia-linkedin.png

socialmedia-linkedin.png

126 ms

socialmedia-facebook.png

socialmedia-facebook.png

163 ms

socialmedia-twitter.png

socialmedia-twitter.png

128 ms

logoVerlichting.png

logoVerlichting.png

653 ms

Banner_Lamp-Finder_728x90.jpg

Banner_Lamp-Finder_728x90.jpg

656 ms

Banner%20SC%20500x500.png

Banner%20SC%20500x500.png

1047 ms

Dia-homepage-VerlichtingNL-2019-10.jpg

Dia-homepage-VerlichtingNL-2019-10.jpg

973 ms

HQ-B%20Verlichting.nl.png

HQ-B%20Verlichting.nl.png

1049 ms

arrow-left.png

arrow-left.png

653 ms

arrow-right.png

arrow-right.png

654 ms

3101_nieuws.jpg

3101_nieuws.jpg

675 ms

3100_nieuws.jpg

3100_nieuws.jpg

675 ms

3098_nieuws.jpg

3098_nieuws.jpg

675 ms

1105809705_795918123_01.jpg

1105809705_795918123_01.jpg

1768 ms

1324323_794593800_01.jpg

1324323_794593800_01.jpg

15038 ms

1105809705_793269477_01.jpg

1105809705_793269477_01.jpg

2792 ms

1669971303_639648009_01.jpg

1669971303_639648009_01.jpg

4984 ms

1540187649_638323686_01.jpg

1540187649_638323686_01.jpg

1810 ms

104621517_634350717_01.jpg

104621517_634350717_01.jpg

1947 ms

nieuwsbrieven-logo-weborig.jpg

nieuwsbrieven-logo-weborig.jpg

1951 ms

Logo%20liniLED%C2%AE%20oranje%20(1).jpg

Logo%20liniLED%C2%AE%20oranje%20(1).jpg

2032 ms

Logo.jpg

Logo.jpg

2146 ms

nieuwsbrieven-logo%20kl.png

nieuwsbrieven-logo%20kl.png

2147 ms

elpro.png

elpro.png

2232 ms

nieuwsbrieven-logo%20inotec.jpg

nieuwsbrieven-logo%20inotec.jpg

2264 ms

nieuwsbrieven-Inotec.jpg

nieuwsbrieven-Inotec.jpg

2269 ms

_X4k5QP6WZs

_X4k5QP6WZs

191 ms

productengidsBg.png

productengidsBg.png

2386 ms

projectengidsBg.png

projectengidsBg.png

2745 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

42 ms

S6u9w4BMUTPHh7USSwiPHA.ttf

S6u9w4BMUTPHh7USSwiPHA.ttf

73 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

74 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

38 ms

base.js

base.js

77 ms

ad_status.js

ad_status.js

199 ms

EirmVnnNlSgqRyHN1YLvHhRw11SWUqUPb76JYHphonQ.js

EirmVnnNlSgqRyHN1YLvHhRw11SWUqUPb76JYHphonQ.js

133 ms

embed.js

embed.js

45 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

19 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

25 ms

id

id

19 ms

Create

Create

124 ms

GenerateIT

GenerateIT

15 ms

log_event

log_event

15 ms

Accessibility Review

verlichting.nl accessibility score

65

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.

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

verlichting.nl best practices score

67

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

verlichting.nl SEO score

90

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Verlichting.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 Verlichting.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

verlichting.nl

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