Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

goedhart.nl

Warmtewisselaars: koel- en verwarmingssystemen | Kelvion

Page Load Speed

3.5 sec in total

First Response

289 ms

Resources Loaded

2.6 sec

Page Rendered

629 ms

goedhart.nl screenshot

About Website

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

Kelvion, uw expert voor warmtewisselaars en andere koel- en verwarmingssystemen: lamellen-, buis- en platenwarmtewisselaars, radiatoren, natte koeltorens en meer!

Visit goedhart.nl

Key Findings

We analyzed Goedhart.nl page load time and found that the first response time was 289 ms and then it took 3.2 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

goedhart.nl performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value7,400 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.218

57/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

goedhart.nl

289 ms

822 ms

merged-f15e253c964a54520cbdcc27f9c4c545-9887ce4336d9b9e7d78f18edaf6eacdd.css

342 ms

merged-a1167daab5687fd3182c5203ecd89e46-0881627aab95bbd4e8a1d27407e3be4a.js

448 ms

gtm.js

217 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Goedhart.nl, 82% (32 requests) were made to Kelvion.com and 8% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (981 ms) relates to the external source Kelvion.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.6 kB (26%)

Content Size

570.3 kB

After Optimization

419.7 kB

In fact, the total size of Goedhart.nl main page is 570.3 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. 40% of websites need less resources to load. Images take 412.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 126.3 kB

  • Original 150.5 kB
  • After minification 137.6 kB
  • After compression 24.1 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 126.3 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 24.3 kB

  • Original 412.6 kB
  • After minification 388.4 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. Goedhart images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 33 B

  • Original 7.2 kB
  • After minification 7.2 kB
  • After compression 7.2 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 17 (52%)

Requests Now

33

After Optimization

16

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Goedhart. 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

goedhart.nl accessibility score

68

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

goedhart.nl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

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

Browser errors were logged to the console

SEO Factors

goedhart.nl SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    NL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Goedhart.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 Goedhart.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 data is detected on the main page of Goedhart. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: