Tools & Wizards About Us
elffers.nl screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

elffers.nl

Elffers | Resultaatgerichte loopbaancoaching | loopbaancoach

Page Load Speed

4.4 sec in total

First Response

749 ms

Resources Loaded

3.3 sec

Page Rendered

400 ms

elffers.nl screenshot

About Website

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

De Elffers loopbaancoach helpt je concreet met loopbaanadvies. Wij begeleiden je op een nuchtere wijze goede keuzes te maken en je ambities te realiseren.

Visit elffers.nl

Key Findings

We analyzed Elffers.nl page load time and found that the first response time was 749 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

elffers.nl performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value1.106

1/100

15%

TTI (Time to Interactive)

Value5.9 s

65/100

10%

Network Requests Diagram

elffers.nl

749 ms

front.css

93 ms

script.js

179 ms

fonts.css

400 ms

prefixfree.dynamic-dom.min.js

180 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 57% of them (39 requests) were addressed to the original Elffers.nl, 17% (12 requests) were made to and 7% (5 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (749 ms) belongs to the original domain Elffers.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 450.6 kB (17%)

Content Size

2.7 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Elffers.nl main page is 2.7 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. 45% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 16.7 kB

  • Original 23.0 kB
  • After minification 21.3 kB
  • After compression 6.3 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 16.7 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 129 B

  • Original 1.9 MB
  • After minification 1.9 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. Elffers images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 195.1 kB

  • Original 284.7 kB
  • After minification 277.1 kB
  • After compression 89.6 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 195.1 kB or 69% of the original size.

CSS Optimization

-54%

Potential reduce by 238.7 kB

  • Original 439.9 kB
  • After minification 432.1 kB
  • After compression 201.3 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. Elffers.nl needs all CSS files to be minified and compressed as it can save up to 238.7 kB or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (67%)

Requests Now

54

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Elffers. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

elffers.nl

elffers.nl

749 ms

front.css

front.css

93 ms

script.js

script.js

179 ms

fonts.css

fonts.css

400 ms

prefixfree.dynamic-dom.min.js

prefixfree.dynamic-dom.min.js

180 ms

template.css.php

template.css.php

273 ms

jquery.min.js

jquery.min.js

7 ms

jquery-ui.min.js

jquery-ui.min.js

367 ms

home.js

home.js

178 ms

F3E1E814F7C756CC8.css

F3E1E814F7C756CC8.css

718 ms

elffers-logo.png

elffers-logo.png

115 ms

twitter-vogel.png

twitter-vogel.png

114 ms

twitter-volg-ons.png

twitter-volg-ons.png

113 ms

slider-1.jpg

slider-1.jpg

619 ms

slider-1-balken.png

slider-1-balken.png

114 ms

slider-pijl.png

slider-pijl.png

121 ms

contact.png

contact.png

199 ms

telefoon.png

telefoon.png

203 ms

download.png

download.png

203 ms

target.png

target.png

203 ms

direction.png

direction.png

205 ms

coaching.png

coaching.png

288 ms

download-alt.png

download-alt.png

292 ms

ena.png

ena.png

304 ms

wim.png

wim.png

299 ms

mariella.png

mariella.png

299 ms

watdoejij2.jpg

watdoejij2.jpg

640 ms

nieuwsbrief.png

nieuwsbrief.png

393 ms

footer-logo.png

footer-logo.png

403 ms

C8wdPDb6X8DWxSQTY=

C8wdPDb6X8DWxSQTY=

9 ms

z7ELiJxkU6SNeEZyQqIX7UX4iHoiGbcXNNVs2hXGcAh5uXJRkDH2jeCZj93cIDvc8Ed7LvOENVKxkwedd55SXqhrZ+FmRPiY9LmV8fsPzBk+Pv5XyF+7iQVY=

z7ELiJxkU6SNeEZyQqIX7UX4iHoiGbcXNNVs2hXGcAh5uXJRkDH2jeCZj93cIDvc8Ed7LvOENVKxkwedd55SXqhrZ+FmRPiY9LmV8fsPzBk+Pv5XyF+7iQVY=

9 ms

f8LzB08NvpfwNbFJBNg==

f8LzB08NvpfwNbFJBNg==

8 ms

d3CA73PBHey7zhDVSsZMHnXeeUl6oa2fhZkT4mPS5lfH7D8wZPj7+V8hfu4kFW

d3CA73PBHey7zhDVSsZMHnXeeUl6oa2fhZkT4mPS5lfH7D8wZPj7+V8hfu4kFW

8 ms

pijl.png

pijl.png

386 ms

s7PAbqX4Bwnk75A==

s7PAbqX4Bwnk75A==

23 ms

QLb+T2A

QLb+T2A

23 ms

s7PAbqX4Bwnk75A==

s7PAbqX4Bwnk75A==

23 ms

qI3FH9NRDAfenZ3UYw9AqbsRU8i2Cwx23gccxT3YDNctX8HrbO+WlqicGPi2zh0CHWYxPD3Ye3Nnhd1L9Atv5PYA=

qI3FH9NRDAfenZ3UYw9AqbsRU8i2Cwx23gccxT3YDNctX8HrbO+WlqicGPi2zh0CHWYxPD3Ye3Nnhd1L9Atv5PYA=

22 ms

widgets.js

widgets.js

18 ms

pijl-donker.png

pijl-donker.png

361 ms

FbKX4z0QT4=

FbKX4z0QT4=

14 ms

h2CxT2PhFczb3kNJUtZ8HnbWekqWY5sXJwnD0mPexmfXvK8xJPjr6X4BT2MQhI=

h2CxT2PhFczb3kNJUtZ8HnbWekqWY5sXJwnD0mPexmfXvK8xJPjr6X4BT2MQhI=

14 ms

MyzM4kfZVCkD3hFcEKiFu5H+Yl4IBrWFTfXrNkUxnEKuL9xVpIz6BvFMxm7v0VwuOOJ8F7mDW+gYiULPm87p7xU1cjGJ0X6kPSwlPHpDc8bPD38VspfjPRBPg==

MyzM4kfZVCkD3hFcEKiFu5H+Yl4IBrWFTfXrNkUxnEKuL9xVpIz6BvFMxm7v0VwuOOJ8F7mDW+gYiULPm87p7xU1cjGJ0X6kPSwlPHpDc8bPD38VspfjPRBPg==

13 ms

WGTX6cp4D7Gxc1GULfSB7K2P4dgsU9j4RXM295DSVLWfB521npKlmObFycJw9Jj3sZn17yvMST46+l+AU9jEIS

WGTX6cp4D7Gxc1GULfSB7K2P4dgsU9j4RXM295DSVLWfB521npKlmObFycJw9Jj3sZn17yvMST46+l+AU9jEIS

13 ms

analytics.js

analytics.js

8 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

26 ms

collect

collect

29 ms

syndication

syndication

103 ms

511917803998167040

511917803998167040

145 ms

collect

collect

62 ms

proxy.jpg

proxy.jpg

43 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

16 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

22 ms

CSXxWx-w_normal.jpeg

CSXxWx-w_normal.jpeg

128 ms

syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css

syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css

57 ms

syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css

syndication_bundle_v1_64fcb3dd2f6da5b5f976d91a319ef73e329c1a5d.css

55 ms

proxy.jpg

proxy.jpg

7 ms

link_v1_e64f66f5650df987d97cc5f00c4cb5987f367028.svg

link_v1_e64f66f5650df987d97cc5f00c4cb5987f367028.svg

3 ms

slide1.jpg

slide1.jpg

443 ms

slide1-balken.png

slide1-balken.png

94 ms

slider-3.jpg

slider-3.jpg

645 ms

Slider-3-balken.png

Slider-3-balken.png

92 ms

slide2.jpg

slide2.jpg

553 ms

slide2-balken.png

slide2-balken.png

98 ms

slider-4.jpg

slider-4.jpg

367 ms

Slider-4-balken.png

Slider-4-balken.png

190 ms

slider-5.jpg

slider-5.jpg

736 ms

slider-5-balken.png

slider-5-balken.png

285 ms

jot.html

jot.html

2 ms

Accessibility Review

elffers.nl accessibility score

74

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

elffers.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

Browser errors were logged to the console

SEO Factors

elffers.nl SEO score

85

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

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 Elffers.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 Elffers.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

elffers.nl

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