Tools & Wizards About Us
robin-stevens.nl screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

robin-stevens.nl

NLP opleidingen, NLP workshops en NLP Coaching - Robin Stevens

Page Load Speed

3.4 sec in total

First Response

291 ms

Resources Loaded

2.9 sec

Page Rendered

155 ms

robin-stevens.nl screenshot

About Website

Visit robin-stevens.nl now to see the best up-to-date Robin Stevens content and also check out these interesting facts you probably never knew about robin-stevens.nl

Alles over NLP. Met een NLP workshop, opleiding of coaching krijg je weer grip op je leven. Gratis NLP handleiding van Robin Stevens.

Visit robin-stevens.nl

Key Findings

We analyzed Robin-stevens.nl page load time and found that the first response time was 291 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

robin-stevens.nl performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value19.2 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value2,980 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.536

14/100

15%

TTI (Time to Interactive)

Value23.8 s

1/100

10%

Network Requests Diagram

robin-stevens.nl

291 ms

www.robin-stevens.nl

1437 ms

style.css

261 ms

events_manager.css

368 ms

pagenavi-css.css

190 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 77% of them (37 requests) were addressed to the original Robin-stevens.nl, 6% (3 requests) were made to Stats.g.doubleclick.net and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Robin-stevens.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 291.9 kB (56%)

Content Size

519.0 kB

After Optimization

227.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Robin-stevens.nl main page is 519.0 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. 30% of websites need less resources to load. Javascripts take 382.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.8 kB

  • Original 23.9 kB
  • After minification 22.6 kB
  • After compression 6.1 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 17.8 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 3.5 kB

  • Original 77.0 kB
  • After minification 73.5 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. Robin Stevens images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 242.9 kB

  • Original 382.8 kB
  • After minification 365.9 kB
  • After compression 140.0 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 242.9 kB or 63% of the original size.

CSS Optimization

-79%

Potential reduce by 27.7 kB

  • Original 35.2 kB
  • After minification 27.0 kB
  • After compression 7.5 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. Robin-stevens.nl needs all CSS files to be minified and compressed as it can save up to 27.7 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (78%)

Requests Now

45

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Robin Stevens. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

robin-stevens.nl

robin-stevens.nl

291 ms

www.robin-stevens.nl

www.robin-stevens.nl

1437 ms

style.css

style.css

261 ms

events_manager.css

events_manager.css

368 ms

pagenavi-css.css

pagenavi-css.css

190 ms

jquery.js

jquery.js

681 ms

jquery-migrate.min.js

jquery-migrate.min.js

305 ms

jquery.bgiframe.js

jquery.bgiframe.js

294 ms

jquery.tooltip.min.js

jquery.tooltip.min.js

374 ms

core.min.js

core.min.js

345 ms

widget.min.js

widget.min.js

392 ms

position.min.js

position.min.js

408 ms

mouse.min.js

mouse.min.js

430 ms

sortable.min.js

sortable.min.js

547 ms

datepicker.min.js

datepicker.min.js

745 ms

menu.min.js

menu.min.js

587 ms

autocomplete.min.js

autocomplete.min.js

511 ms

resizable.min.js

resizable.min.js

599 ms

draggable.min.js

draggable.min.js

719 ms

button.min.js

button.min.js

638 ms

dialog.min.js

dialog.min.js

783 ms

events-manager.js

events-manager.js

857 ms

thickbox.css

thickbox.css

730 ms

events-calendar.css

events-calendar.css

773 ms

thickbox.js

thickbox.js

736 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

554 ms

ec-tooltips.css

ec-tooltips.css

106 ms

bg.png

bg.png

121 ms

verstuur.png

verstuur.png

102 ms

gtm.js

gtm.js

68 ms

fbevents.js

fbevents.js

42 ms

dc.js

dc.js

42 ms

content-bg.png

content-bg.png

115 ms

header.jpg

header.jpg

184 ms

telefoon.png

telefoon.png

93 ms

welcome-bg.jpg

welcome-bg.jpg

281 ms

widget-bg.png

widget-bg.png

174 ms

rstevens-sprite1.png

rstevens-sprite1.png

190 ms

bg-reaction.gif

bg-reaction.gif

205 ms

loadingAnimation.gif

loadingAnimation.gif

274 ms

32 ms

__utm.gif

__utm.gif

16 ms

conversion_async.js

conversion_async.js

23 ms

analytics.js

analytics.js

9 ms

collect

collect

7 ms

collect

collect

71 ms

40 ms

43 ms

Accessibility Review

robin-stevens.nl accessibility score

76

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

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

robin-stevens.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

robin-stevens.nl SEO score

82

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

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 Robin-stevens.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 Robin-stevens.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

robin-stevens.nl

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