Tools & Wizards About Us

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

dvision.be

Event & Location Audio Visuel Sonorisation Éclairage Light Evenementiel

Page Load Speed

1.7 sec in total

First Response

348 ms

Resources Loaded

1.2 sec

Page Rendered

155 ms

About Website

Visit dvision.be now to see the best up-to-date Dvision content for Belgium and also check out these interesting facts you probably never knew about dvision.be

D.VISION agence événementielle et Location Audio Visuel, sonorisation, éclairage, décoration de Noël, matérielk pour mariage, disco Sound & Light

Visit dvision.be

Key Findings

We analyzed Dvision.be page load time and found that the first response time was 348 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

dvision.be performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value160 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

dvision.be

348 ms

dvision.be

444 ms

js

55 ms

NEW_LOGO_bleu1.jpg

180 ms

PUB-DVISION-PGN-2016_WEB-80.jpg

432 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 60% of them (6 requests) were addressed to the original Dvision.be, 20% (2 requests) were made to Googletagmanager.com and 20% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (444 ms) belongs to the original domain Dvision.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.2 kB (30%)

Content Size

165.1 kB

After Optimization

115.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dvision.be main page is 165.1 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. Images take 96.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 12.8 kB

  • Original 15.4 kB
  • After minification 15.3 kB
  • After compression 2.6 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 12.8 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 4.5 kB

  • Original 96.8 kB
  • After minification 92.3 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. Dvision images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 32.0 kB or 60% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • AJAX
  • Images
  • JavaScript

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dvision. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

dvision.be accessibility score

80

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

Heading elements are not in a sequentially-descending order

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

Best Practices

dvision.be best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

dvision.be SEO score

71

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dvision.be can be misinterpreted by Google and other search engines. Our service has detected that French 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 Dvision.be main page’s claimed encoding is windows-1252. 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

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