Report Summary

  • 29

    Performance

    Renders faster than
    50% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 63% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

lightbusters.nl

Lightbusters | Uw Partner in Openbare Verlichting Sinds 2008

Page Load Speed

3.8 sec in total

First Response

338 ms

Resources Loaded

3.3 sec

Page Rendered

237 ms

lightbusters.nl screenshot

About Website

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

Lightbusters - Specialist in openbare verlichting met als specialisatie het bovengrondse gedeelte. ✓Lampenremplace ✓LED-ombouwprojecten ✓GPS-inventarisatie

Visit lightbusters.nl

Key Findings

We analyzed Lightbusters.nl page load time and found that the first response time was 338 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

lightbusters.nl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value1,040 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

lightbusters.nl

338 ms

www.lightbusters.nl

2213 ms

all.css

344 ms

css

24 ms

head.load.min.js

180 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 74% of them (26 requests) were addressed to the original Lightbusters.nl, 9% (3 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Lightbusters.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.1 kB (54%)

Content Size

260.1 kB

After Optimization

120.1 kB

In fact, the total size of Lightbusters.nl main page is 260.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. CSS take 105.2 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 26.5 kB

  • Original 31.9 kB
  • After minification 21.5 kB
  • After compression 5.3 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 10.4 kB, which is 33% 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 26.5 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 4.2 kB

  • Original 72.3 kB
  • After minification 68.1 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. Lightbusters images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 20.7 kB

  • Original 50.8 kB
  • After minification 46.4 kB
  • After compression 30.1 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 20.7 kB or 41% of the original size.

CSS Optimization

-84%

Potential reduce by 88.7 kB

  • Original 105.2 kB
  • After minification 104.8 kB
  • After compression 16.5 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. Lightbusters.nl needs all CSS files to be minified and compressed as it can save up to 88.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (30%)

Requests Now

30

After Optimization

21

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lightbusters. 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

lightbusters.nl accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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 IDs are not unique

Best Practices

lightbusters.nl best practices score

83

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

Browser errors were logged to the console

SEO Factors

lightbusters.nl SEO score

96

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 Lightbusters.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 Lightbusters.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

Open Graph description is not detected on the main page of Lightbusters. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: