Tools & Wizards About Us
energievergelijker.nl screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

energievergelijker.nl

Energievergelijker | onafhankelijk energie vergelijken

Page Load Speed

4.2 sec in total

First Response

371 ms

Resources Loaded

3.5 sec

Page Rendered

326 ms

energievergelijker.nl screenshot

About Website

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

Vergelijk energieleveranciers 100% onafhankelijk bij energievergelijker.nl ✓Gratis overstappen ✓ Bespaar tot wel €650,- ✓Snel

Visit energievergelijker.nl

Key Findings

We analyzed Energievergelijker.nl page load time and found that the first response time was 371 ms and then it took 3.8 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

energievergelijker.nl performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

energievergelijker.nl

371 ms

www.energievergelijker.nl

527 ms

css

70 ms

js

85 ms

normalize.css

97 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 75% of them (87 requests) were addressed to the original Energievergelijker.nl, 7% (8 requests) were made to Google.com and 4% (5 requests) were made to Go.flx1.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Energievergelijker.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (71%)

Content Size

1.5 MB

After Optimization

443.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Energievergelijker.nl main page is 1.5 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. 40% of websites need less resources to load. Javascripts take 925.3 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 137.0 kB

  • Original 154.7 kB
  • After minification 128.5 kB
  • After compression 17.7 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 26.2 kB, which is 17% 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 137.0 kB or 89% of the original size.

Image Optimization

-13%

Potential reduce by 40.8 kB

  • Original 304.1 kB
  • After minification 263.3 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. Obviously, Energievergelijker needs image optimization as it can save up to 40.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-85%

Potential reduce by 784.1 kB

  • Original 925.3 kB
  • After minification 721.9 kB
  • After compression 141.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 784.1 kB or 85% of the original size.

CSS Optimization

-86%

Potential reduce by 134.4 kB

  • Original 155.8 kB
  • After minification 112.4 kB
  • After compression 21.5 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. Energievergelijker.nl needs all CSS files to be minified and compressed as it can save up to 134.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 58 (54%)

Requests Now

108

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Energievergelijker. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

energievergelijker.nl

energievergelijker.nl

371 ms

www.energievergelijker.nl

www.energievergelijker.nl

527 ms

css

css

70 ms

js

js

85 ms

normalize.css

normalize.css

97 ms

boilerplate.css

boilerplate.css

197 ms

fonts.css

fonts.css

284 ms

screen.css

screen.css

379 ms

screen-blocks.css

screen-blocks.css

296 ms

screen-responsive.css

screen-responsive.css

384 ms

editor.css

editor.css

287 ms

jquery.fancybox.css

jquery.fancybox.css

298 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

475 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

718 ms

knockout-2.3.0.js

knockout-2.3.0.js

513 ms

jquery.validate.min.js

jquery.validate.min.js

407 ms

jquery.validate.unobtrusive.min.js

jquery.validate.unobtrusive.min.js

489 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

490 ms

jquery.mousewheel-3.0.6.pack.js

jquery.mousewheel-3.0.6.pack.js

526 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

587 ms

jquery.cycle2.ie-fade.min.js

jquery.cycle2.ie-fade.min.js

580 ms

jquery.cycle2.video.min.js

jquery.cycle2.video.min.js

583 ms

jquery.cycle2.carousel.js

jquery.cycle2.carousel.js

624 ms

jquery.watermark.min.js

jquery.watermark.min.js

629 ms

jquery.autotab-1.1b.js

jquery.autotab-1.1b.js

677 ms

jquery.rating.pack.js

jquery.rating.pack.js

681 ms

custom.compassrose-0.3.min.js

custom.compassrose-0.3.min.js

680 ms

scripts-navigation-responsive.js

scripts-navigation-responsive.js

743 ms

scripts-filter-responsive.js

scripts-filter-responsive.js

743 ms

scripts.js

scripts.js

776 ms

energyservice.js

energyservice.js

783 ms

solarpanelquotewizard.js

solarpanelquotewizard.js

794 ms

cookienotification.js

cookienotification.js

809 ms

contractwizardajax.js

contractwizardajax.js

825 ms

conversion.js

conversion.js

48 ms

suppliers

suppliers

105 ms

dc.js

dc.js

88 ms

182186.js

182186.js

494 ms

cse.js

cse.js

80 ms

index.php

index.php

342 ms

logo.png

logo.png

232 ms

icon-succes-award-branch.png

icon-succes-award-branch.png

230 ms

website-reviews-medal-bg.png

website-reviews-medal-bg.png

230 ms

hulp_logo.png

hulp_logo.png

232 ms

header_green.gif

header_green.gif

230 ms

button-arrow-dark-select.png

button-arrow-dark-select.png

232 ms

button-arrow.png

button-arrow.png

310 ms

solar.png

solar.png

515 ms

energie-deals-block.png

energie-deals-block.png

322 ms

ImageGen.ashx

ImageGen.ashx

319 ms

ImageGen.ashx

ImageGen.ashx

333 ms

ImageGen.ashx

ImageGen.ashx

330 ms

ImageGen.ashx

ImageGen.ashx

473 ms

ImageGen.ashx

ImageGen.ashx

505 ms

ImageGen.ashx

ImageGen.ashx

512 ms

ImageGen.ashx

ImageGen.ashx

498 ms

ImageGen.ashx

ImageGen.ashx

513 ms

ImageGen.ashx

ImageGen.ashx

580 ms

ImageGen.ashx

ImageGen.ashx

604 ms

ImageGen.ashx

ImageGen.ashx

602 ms

ImageGen.ashx

ImageGen.ashx

621 ms

ImageGen.ashx

ImageGen.ashx

635 ms

ImageGen.ashx

ImageGen.ashx

631 ms

ImageGen.ashx

ImageGen.ashx

687 ms

ImageGen.ashx

ImageGen.ashx

703 ms

ImageGen.ashx

ImageGen.ashx

707 ms

ImageGen.ashx

ImageGen.ashx

723 ms

ImageGen.ashx

ImageGen.ashx

744 ms

ImageGen.ashx

ImageGen.ashx

743 ms

ImageGen.ashx

ImageGen.ashx

820 ms

ImageGen.ashx

ImageGen.ashx

810 ms

ImageGen.ashx

ImageGen.ashx

833 ms

header_purple.gif

header_purple.gif

1261 ms

checkmark.png

checkmark.png

815 ms

website-review-stars.png

website-review-stars.png

815 ms

icon_feedback.png

icon_feedback.png

858 ms

cse.js

cse.js

302 ms

168 ms

298923c8190045e91288b430794814c4.js

298923c8190045e91288b430794814c4.js

618 ms

__utm.gif

__utm.gif

26 ms

icon_quotes.png

icon_quotes.png

703 ms

balloon_point.png

balloon_point.png

712 ms

bg-pager-next-disabled.png

bg-pager-next-disabled.png

719 ms

header_light_gray.gif

header_light_gray.gif

723 ms

arrow_left_slider.png

arrow_left_slider.png

779 ms

47 ms

arrow_right_slider.png

arrow_right_slider.png

781 ms

header_gray.gif

header_gray.gif

731 ms

icon-succes-award.png

icon-succes-award.png

724 ms

facebook_icon.png

facebook_icon.png

723 ms

twitter_icon.png

twitter_icon.png

782 ms

google_icon.png

google_icon.png

787 ms

jsapi

jsapi

19 ms

default+nl.css

default+nl.css

5 ms

default+nl.I.js

default+nl.I.js

23 ms

default.css

default.css

85 ms

async-ads.js

async-ads.js

108 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

36 ms

small-logo.png

small-logo.png

32 ms

search_box_icon.png

search_box_icon.png

33 ms

clear.gif

clear.gif

33 ms

182186.js

182186.js

52 ms

logo_small_verlaagjemaandlasten.gif

logo_small_verlaagjemaandlasten.gif

662 ms

logo_small.gif

logo_small.gif

637 ms

logo_small_energieverbruiker.gif

logo_small_energieverbruiker.gif

641 ms

logo_small_kledingvinder.gif

logo_small_kledingvinder.gif

702 ms

delete.gif

delete.gif

709 ms

star.gif

star.gif

728 ms

4-356.js

4-356.js

70 ms

button-arrow-dark.png

button-arrow-dark.png

658 ms

px

px

63 ms

px

px

41 ms

uid

uid

23 ms

pixel

pixel

43 ms

uid

uid

24 ms

uid

uid

17 ms

Accessibility Review

energievergelijker.nl accessibility score

88

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

energievergelijker.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

energievergelijker.nl SEO score

99

Search Engine Optimization Advices

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 Energievergelijker.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 Energievergelijker.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

energievergelijker.nl

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