Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

dbf.nl

Vergroot klantloyaliteit met jouw data l Data & loyalty… | dbf

Page Load Speed

3.3 sec in total

First Response

269 ms

Resources Loaded

2.9 sec

Page Rendered

180 ms

dbf.nl screenshot

About Website

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

Wij helpen organisaties succesvol te zijn in klantcontact, data management en klantloyaliteit. Wij zorgen dat jouw klanten, loyale klanten worden!

Visit dbf.nl

Key Findings

We analyzed Dbf.nl page load time and found that the first response time was 269 ms and then it took 3.1 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

dbf.nl performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

dbf.nl

269 ms

www.dbf.nl

618 ms

stylesheet_61cadda1b9.css

171 ms

styles.css

267 ms

javascript.js

761 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 97% of them (63 requests) were addressed to the original Dbf.nl, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Dbf.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 547.9 kB (34%)

Content Size

1.6 MB

After Optimization

1.1 MB

In fact, the total size of Dbf.nl main page is 1.6 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. 35% of websites need less resources to load. Images take 971.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 24.8 kB

  • Original 30.8 kB
  • After minification 25.6 kB
  • After compression 6.0 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 5.2 kB, which is 17% 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 24.8 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 67.0 kB

  • Original 971.2 kB
  • After minification 904.1 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. Dbf images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 388.5 kB

  • Original 521.8 kB
  • After minification 401.6 kB
  • After compression 133.3 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 388.5 kB or 74% of the original size.

CSS Optimization

-84%

Potential reduce by 67.6 kB

  • Original 80.1 kB
  • After minification 61.8 kB
  • After compression 12.4 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. Dbf.nl needs all CSS files to be minified and compressed as it can save up to 67.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (46%)

Requests Now

63

After Optimization

34

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dbf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dbf.nl accessibility score

85

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

dbf.nl best practices score

83

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

Page has valid source maps

SEO Factors

dbf.nl SEO score

100

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

Language and Encoding

  • Language Detected

    NL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dbf.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch 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 Dbf.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 Dbf. 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: