Tools & Wizards About Us
hartziekte.be screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

hartziekte.be

Hart en vaatziekte - symptomen, behandelingen hartaandoeningen - Hartziekte.be

Page Load Speed

4.8 sec in total

First Response

839 ms

Resources Loaded

3.3 sec

Page Rendered

623 ms

hartziekte.be screenshot

About Website

Visit hartziekte.be now to see the best up-to-date Hartziekte content for Belgium and also check out these interesting facts you probably never knew about hartziekte.be

De symptomen, medische onderzoeken en behandelingen van hart- en vaatziekten. Hart en vaatziekte - symptomen, behandelingen - Hart en Vaatziekten

Visit hartziekte.be

Key Findings

We analyzed Hartziekte.be page load time and found that the first response time was 839 ms and then it took 3.9 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

hartziekte.be performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

21/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

Network Requests Diagram

hartziekte.be

839 ms

modal.css

153 ms

k2.css

234 ms

style.css

158 ms

gstyle.css

160 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 85% of them (77 requests) were addressed to the original Hartziekte.be, 4% (4 requests) were made to Pagead2.googlesyndication.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (859 ms) belongs to the original domain Hartziekte.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 825.0 kB (41%)

Content Size

2.0 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hartziekte.be main page is 2.0 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. 65% of websites need less resources to load. Images take 885.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 79.6 kB

  • Original 94.1 kB
  • After minification 71.6 kB
  • After compression 14.5 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 22.6 kB, which is 24% 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 79.6 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 51.2 kB

  • Original 885.0 kB
  • After minification 833.8 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. Hartziekte images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 499.8 kB

  • Original 792.2 kB
  • After minification 756.0 kB
  • After compression 292.4 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 499.8 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 194.4 kB

  • Original 230.2 kB
  • After minification 162.5 kB
  • After compression 35.9 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. Hartziekte.be needs all CSS files to be minified and compressed as it can save up to 194.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 65 (72%)

Requests Now

90

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hartziekte. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hartziekte.be

hartziekte.be

839 ms

modal.css

modal.css

153 ms

k2.css

k2.css

234 ms

style.css

style.css

158 ms

gstyle.css

gstyle.css

160 ms

mootools-core.js

mootools-core.js

389 ms

core.js

core.js

161 ms

mootools-more.js

mootools-more.js

616 ms

modal.js

modal.js

238 ms

jquery.min.js

jquery.min.js

473 ms

jquery-noconflict.js

jquery-noconflict.js

240 ms

jquery-migrate.min.js

jquery-migrate.min.js

310 ms

k2.noconflict.js

k2.noconflict.js

313 ms

k2.js

k2.js

316 ms

bootstrap.min.js

bootstrap.min.js

471 ms

copylink.js

copylink.js

414 ms

results.js

results.js

413 ms

popuphighslide-with-html.js

popuphighslide-with-html.js

547 ms

system.css

system.css

471 ms

reset.css

reset.css

473 ms

layout.css

layout.css

549 ms

core.css

core.css

548 ms

navigation.css

navigation.css

549 ms

joomla.css

joomla.css

695 ms

modules.css

modules.css

690 ms

template.css

template.css

692 ms

icomoon.css

icomoon.css

690 ms

template-j30.css

template-j30.css

704 ms

theme.css

theme.css

696 ms

caption.js

caption.js

702 ms

jquery.jbk.js

jquery.jbk.js

705 ms

jquery-1.7.1.min.js

jquery-1.7.1.min.js

859 ms

jquery-cookie.js

jquery-cookie.js

707 ms

jquery.masonry.min.js

jquery.masonry.min.js

767 ms

jquery.infinitescroll.min.js

jquery.infinitescroll.min.js

780 ms

modernizr-transitions.js

modernizr-transitions.js

782 ms

adsbygoogle.js

adsbygoogle.js

4 ms

iscroll.js

iscroll.js

800 ms

jquery.mousewheel.js

jquery.mousewheel.js

643 ms

script.js

script.js

700 ms

jquery.noconflict.js

jquery.noconflict.js

708 ms

wall.js

wall.js

710 ms

jquery.lazyload.min.js

jquery.lazyload.min.js

636 ms

system.css

system.css

245 ms

layout-wide-extra.css

layout-wide-extra.css

253 ms

stylesheet.css

stylesheet.css

245 ms

css

css

25 ms

ga.js

ga.js

54 ms

follow_me-a.png

follow_me-a.png

254 ms

header-bg.png

header-bg.png

133 ms

logo.png

logo.png

132 ms

line-menu.png

line-menu.png

134 ms

icon-search.png

icon-search.png

134 ms

550x309.png

550x309.png

132 ms

550x310.png

550x310.png

133 ms

450x253.png

450x253.png

252 ms

450x300.png

450x300.png

252 ms

icon-feed.png

icon-feed.png

251 ms

354x250.png

354x250.png

252 ms

trans-grad-white-20.png

trans-grad-white-20.png

219 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

271 ms

opensans-semibold-webfont.woff

opensans-semibold-webfont.woff

328 ms

__utm.gif

__utm.gif

19 ms

ca-pub-9025548887875223.js

ca-pub-9025548887875223.js

193 ms

zrt_lookup.html

zrt_lookup.html

192 ms

show_ads_impl.js

show_ads_impl.js

111 ms

all.js

all.js

59 ms

ads

ads

78 ms

220 ms

osd.js

osd.js

61 ms

xd_arbiter.php

xd_arbiter.php

103 ms

xd_arbiter.php

xd_arbiter.php

99 ms

layout-mobile.css

layout-mobile.css

89 ms

layout-mobile-portrait.css

layout-mobile-portrait.css

81 ms

layout-tablet.css

layout-tablet.css

84 ms

layout-normal.css

layout-normal.css

85 ms

layout-wide.css

layout-wide.css

81 ms

layout-hd.css

layout-hd.css

82 ms

5ab529a5ebdeee2caf2312423d91adb3_L.jpg

5ab529a5ebdeee2caf2312423d91adb3_L.jpg

159 ms

c4416d79eef6dd018bcee3cd8b8ba561_L.jpg

c4416d79eef6dd018bcee3cd8b8ba561_L.jpg

236 ms

806b6e1806566ad52df50ee6cecd90ef_S.jpg

806b6e1806566ad52df50ee6cecd90ef_S.jpg

245 ms

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0e17febd522cd9389b04ce5c00f25aec_S.jpg

245 ms

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cef09c4dc3d0d8d265ab7ea9482b510d_S.jpg

244 ms

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f3ad4a234535b69ec9bf916a25462992_S.jpg

320 ms

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dd45d054dfce696b68bc0b43a11d1bfe_S.jpg

319 ms

814d386f5c4138112e5fa70430be6661_S.jpg

814d386f5c4138112e5fa70430be6661_S.jpg

470 ms

Colofon%20ESF%20klein.jpg

Colofon%20ESF%20klein.jpg

473 ms

c4416d79eef6dd018bcee3cd8b8ba561_XS.jpg

c4416d79eef6dd018bcee3cd8b8ba561_XS.jpg

400 ms

rounded-black.png

rounded-black.png

322 ms

zoomout.cur

zoomout.cur

398 ms

loader.white.gif

loader.white.gif

399 ms

Accessibility Review

hartziekte.be accessibility score

69

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

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

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

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.

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

hartziekte.be best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

hartziekte.be 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 Hartziekte.be 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 Hartziekte.be 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

hartziekte.be

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