Report Summary

  • 2

    Performance

    Renders faster than
    19% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

piersmaenvanderven.nl

Kunststof vloeren van hoogwaardige kwaliteit - Piersma Vloeren

Page Load Speed

3.9 sec in total

First Response

349 ms

Resources Loaded

3.2 sec

Page Rendered

345 ms

piersmaenvanderven.nl screenshot

About Website

Visit piersmaenvanderven.nl now to see the best up-to-date Piersma En Van Derven content and also check out these interesting facts you probably never knew about piersmaenvanderven.nl

Op zoek naar een kunststof vloer zoals een gietvloer, betonlook vloer of coating? Wij voorzien bedrijven & paticulieren van de mooiste vloeren.

Visit piersmaenvanderven.nl

Key Findings

We analyzed Piersmaenvanderven.nl page load time and found that the first response time was 349 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 60% of websites can load faster.

Performance Metrics

piersmaenvanderven.nl performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

14/100

10%

LCP (Largest Contentful Paint)

Value18.3 s

0/100

25%

SI (Speed Index)

Value20.7 s

0/100

10%

TBT (Total Blocking Time)

Value21,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1

2/100

15%

TTI (Time to Interactive)

Value29.2 s

0/100

10%

Network Requests Diagram

www.dibagroep.nl

349 ms

dibagroep.nl

642 ms

css

26 ms

buttons.js

9 ms

modernizr-2.6.2.min.js

163 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Piersmaenvanderven.nl, 8% (4 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Dibagroep.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.1 kB (5%)

Content Size

2.9 MB

After Optimization

2.8 MB

In fact, the total size of Piersmaenvanderven.nl main page is 2.9 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 21.3 kB

  • Original 28.5 kB
  • After minification 26.3 kB
  • After compression 7.2 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 21.3 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 1.4 kB

  • Original 2.7 MB
  • After minification 2.7 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. Piersma En Van Derven images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 114.4 kB

  • Original 186.2 kB
  • After minification 186.1 kB
  • After compression 71.7 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 114.4 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (43%)

Requests Now

40

After Optimization

23

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Piersma En Van Derven. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

piersmaenvanderven.nl accessibility score

76

Accessibility Issues

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-*] attributes do not match their roles

High

ARIA IDs are not unique

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

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

Best Practices

piersmaenvanderven.nl best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

piersmaenvanderven.nl SEO score

92

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Piersmaenvanderven.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 Piersmaenvanderven.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 Piersma En Van Derven. 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: