Tools & Wizards About Us

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

roelklaassen.nl

Welkom op de website van Roel Klaassen Haptotherapie | Roel Klaassen

Page Load Speed

3 sec in total

First Response

358 ms

Resources Loaded

2.3 sec

Page Rendered

354 ms

About Website

Visit roelklaassen.nl now to see the best up-to-date Roel Klaassen content and also check out these interesting facts you probably never knew about roelklaassen.nl

De praktijk ligt in het hart van Noord-Holland (tussen Purmerend, Hoorn, Alkmaar, Zaandam en Amsterdam).

Visit roelklaassen.nl

Key Findings

We analyzed Roelklaassen.nl page load time and found that the first response time was 358 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

roelklaassen.nl performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value1,770 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.692

7/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

roelklaassen.nl

358 ms

roelklaassen.nl

757 ms

css

282 ms

L4_V4_Custom.css

363 ms

css

42 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 74% of them (17 requests) were addressed to the original Roelklaassen.nl, 17% (4 requests) were made to Fonts.gstatic.com and 9% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (805 ms) belongs to the original domain Roelklaassen.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 141.5 kB (5%)

Content Size

2.8 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Roelklaassen.nl main page is 2.8 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. 25% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 30.9 kB

  • Original 36.1 kB
  • After minification 31.6 kB
  • After compression 5.2 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. This page needs HTML code to be minified as it can gain 4.5 kB, which is 12% 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 30.9 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 108.5 kB

  • Original 2.8 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. Roel Klaassen images are well optimized though.

CSS Optimization

-69%

Potential reduce by 2.0 kB

  • Original 2.9 kB
  • After minification 2.5 kB
  • After compression 920 B

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. Roelklaassen.nl needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (19%)

Requests Now

16

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roel Klaassen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

roelklaassen.nl accessibility score

86

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

roelklaassen.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

Missing source maps for large first-party JavaScript

SEO Factors

roelklaassen.nl SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 Roelklaassen.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 Roelklaassen.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 Roel Klaassen. 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: