Tools & Wizards About Us
dhzbeveiliging.nl screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

dhzbeveiliging.nl

Uw online beveiligings specialist | DHZbeveiliging.nl

Page Load Speed

3.5 sec in total

First Response

619 ms

Resources Loaded

2.6 sec

Page Rendered

240 ms

dhzbeveiliging.nl screenshot

About Website

Welcome to dhzbeveiliging.nl homepage info - get ready to check DHZbeveiliging best content right away, or after learning these important things about dhzbeveiliging.nl

Alarmsysteem of camerainstallatie kopen? Wij leveren de beste beveiliging voor huis en kantoor. Professionele apparatuur voor internetprijzen.

Visit dhzbeveiliging.nl

Key Findings

We analyzed Dhzbeveiliging.nl page load time and found that the first response time was 619 ms and then it took 2.9 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

dhzbeveiliging.nl performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

dhzbeveiliging.nl

619 ms

standalone.af195e35d7df1c5340d01a985777dd5c1695239470.css

454 ms

Logo_top.png

448 ms

blanc_divider.png

270 ms

divider.png

275 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 79% of them (22 requests) were addressed to the original Dhzbeveiliging.nl, 7% (2 requests) were made to Googletagmanager.com and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Dhzbeveiliging.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.5 kB (23%)

Content Size

918.2 kB

After Optimization

705.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dhzbeveiliging.nl main page is 918.2 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. Images take 436.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 98.8 kB

  • Original 116.3 kB
  • After minification 99.7 kB
  • After compression 17.5 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 16.6 kB, which is 14% 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 98.8 kB or 85% of the original size.

Image Optimization

-18%

Potential reduce by 80.0 kB

  • Original 436.1 kB
  • After minification 356.1 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. Obviously, DHZbeveiliging needs image optimization as it can save up to 80.0 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 32.8 kB

  • Original 305.4 kB
  • After minification 305.4 kB
  • After compression 272.6 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 32.8 kB or 11% of the original size.

CSS Optimization

-1%

Potential reduce by 899 B

  • Original 60.4 kB
  • After minification 60.4 kB
  • After compression 59.5 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. Dhzbeveiliging.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (73%)

Requests Now

26

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DHZbeveiliging. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dhzbeveiliging.nl

dhzbeveiliging.nl

619 ms

standalone.af195e35d7df1c5340d01a985777dd5c1695239470.css

standalone.af195e35d7df1c5340d01a985777dd5c1695239470.css

454 ms

Logo_top.png

Logo_top.png

448 ms

blanc_divider.png

blanc_divider.png

270 ms

divider.png

divider.png

275 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

29 ms

scripts-1b5d42779604eb676b458d4ee25d02e71695239470.js

scripts-1b5d42779604eb676b458d4ee25d02e71695239470.js

717 ms

js

js

68 ms

exceptions.js

exceptions.js

270 ms

product_image_gallery.js

product_image_gallery.js

537 ms

slide1.jpg

slide1.jpg

860 ms

slide2.jpg

slide2.jpg

860 ms

Slide3.jpg

Slide3.jpg

860 ms

Slide4.jpg

Slide4.jpg

894 ms

Aritech-DC101-Magneetcontact-1000x1000.jpg

Aritech-DC101-Magneetcontact-1000x1000.jpg

860 ms

14.jpg

14.jpg

1120 ms

35_zc1b-l7.jpg

35_zc1b-l7.jpg

1173 ms

1549.jpg

1549.jpg

1082 ms

104.jpg

104.jpg

1171 ms

4721.jpg

4721.jpg

1214 ms

2473.jpg

2473.jpg

1176 ms

Alto_sirene_g9nm-sw.jpg

Alto_sirene_g9nm-sw.jpg

1507 ms

betaalmethoden_all.jpg.png

betaalmethoden_all.jpg.png

1689 ms

glyphs.woff

glyphs.woff

1072 ms

fbevents.js

fbevents.js

98 ms

js

js

61 ms

analytics.js

analytics.js

110 ms

collect

collect

12 ms

Accessibility Review

dhzbeveiliging.nl accessibility score

82

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

dhzbeveiliging.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

Missing source maps for large first-party JavaScript

SEO Factors

dhzbeveiliging.nl SEO score

84

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

    NL

  • Encoding

    UTF-8

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

dhzbeveiliging.nl

Open Graph description is not detected on the main page of DHZbeveiliging. 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: