Tools & Wizards About Us
vitalize.nl screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

vitalize.nl

Supplementen | Vitalize.nl | Vitaminen en meer

Page Load Speed

3.5 sec in total

First Response

269 ms

Resources Loaded

3.1 sec

Page Rendered

192 ms

vitalize.nl screenshot

About Website

Welcome to vitalize.nl homepage info - get ready to check Vitalize best content for Netherlands right away, or after learning these important things about vitalize.nl

Vitalize is dé specialist op het gebied van voedingssupplementen, vitamines en mineralen. Producten van hoogwaardige kwaliteit voor de beste prijzen. Altijd gratis bezorging!

Visit vitalize.nl

Key Findings

We analyzed Vitalize.nl page load time and found that the first response time was 269 ms and then it took 3.2 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

vitalize.nl performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value15.8 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value6,220 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.172

69/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

Network Requests Diagram

vitalize.nl

269 ms

www.vitalize.nl

1066 ms

stylesheet_7ad85cde63.css

85 ms

styles.css

253 ms

javascript_93077bb238.js

171 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 94% of them (74 requests) were addressed to the original Vitalize.nl, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Vitalize.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 462.6 kB (29%)

Content Size

1.6 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vitalize.nl main page is 1.6 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 46.8 kB

  • Original 53.8 kB
  • After minification 49.1 kB
  • After compression 7.1 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 46.8 kB or 87% of the original size.

Image Optimization

-10%

Potential reduce by 104.9 kB

  • Original 1.1 MB
  • After minification 958.9 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. Vitalize images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 250.0 kB

  • Original 390.0 kB
  • After minification 379.0 kB
  • After compression 140.1 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 250.0 kB or 64% of the original size.

CSS Optimization

-86%

Potential reduce by 61.0 kB

  • Original 71.0 kB
  • After minification 58.2 kB
  • After compression 10.0 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. Vitalize.nl needs all CSS files to be minified and compressed as it can save up to 61.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (34%)

Requests Now

76

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vitalize. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vitalize.nl

vitalize.nl

269 ms

www.vitalize.nl

www.vitalize.nl

1066 ms

stylesheet_7ad85cde63.css

stylesheet_7ad85cde63.css

85 ms

styles.css

styles.css

253 ms

javascript_93077bb238.js

javascript_93077bb238.js

171 ms

jquery.prettyPhoto.css

jquery.prettyPhoto.css

252 ms

jquery.jNice.css

jquery.jNice.css

170 ms

jquery.jCarousel.css

jquery.jCarousel.css

168 ms

jquery.js

jquery.js

334 ms

cufon-yui.js

cufon-yui.js

343 ms

Dax_300-Dax_italic_300.font.js

Dax_300-Dax_italic_300.font.js

500 ms

Dax_500-Dax_italic_500.font.js

Dax_500-Dax_italic_500.font.js

506 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

342 ms

jquery.jNice.js

jquery.jNice.js

341 ms

jquery.easySlider.js

jquery.easySlider.js

416 ms

styleswitcher.js

styleswitcher.js

417 ms

jquery.cookie.js

jquery.cookie.js

419 ms

jquery.jCarousel.js

jquery.jCarousel.js

417 ms

javascript.js

javascript.js

502 ms

conversion.js

conversion.js

20 ms

ga.js

ga.js

108 ms

font-sizer.png

font-sizer.png

125 ms

basket-icon.jpg

basket-icon.jpg

124 ms

menu-bk.png

menu-bk.png

124 ms

logo.png

logo.png

123 ms

slideshow-bottom.png

slideshow-bottom.png

123 ms

banners_home1_01.jpg

banners_home1_01.jpg

264 ms

banners_home2_01.jpg

banners_home2_01.jpg

433 ms

banners_home3_01.jpg

banners_home3_01.jpg

436 ms

banners_home4.jpg

banners_home4.jpg

184 ms

logo_jpeg.jpg

logo_jpeg.jpg

183 ms

input-button-left.png

input-button-left.png

186 ms

input-button-right.png

input-button-right.png

266 ms

input-button-middle.png

input-button-middle.png

267 ms

krasenwin_01.jpg

krasenwin_01.jpg

354 ms

NL_map.png

NL_map.png

347 ms

box_04.jpg

box_04.jpg

349 ms

bottom-list-separator.png

bottom-list-separator.png

351 ms

GMO_2015_F.png

GMO_2015_F.png

429 ms

GMF_1501_F.png

GMF_1501_F.png

434 ms

GMU_2015_F.png

GMU_2015_F.png

435 ms

GMG_2015_F.png

GMG_2015_F.png

434 ms

GMS_2012.png

GMS_2012.png

513 ms

VKO_2012.png

VKO_2012.png

514 ms

EOK_1501.png

EOK_1501.png

514 ms

eot.png

eot.png

514 ms

VMP_2015_F.png

VMP_2015_F.png

515 ms

VMG_2015_F.png

VMG_2015_F.png

516 ms

VMK_1501_F.png

VMK_1501_F.png

601 ms

B12_2015_F.png

B12_2015_F.png

599 ms

VCZ_2014_02_Flat.png

VCZ_2014_02_Flat.png

596 ms

VD3_2015_F.png

VD3_2015_F.png

598 ms

VDK_2015_F.png

VDK_2015_F.png

600 ms

CALCIUM.png

CALCIUM.png

600 ms

Q10_2015_F.png

Q10_2015_F.png

678 ms

mag.png

mag.png

679 ms

102 ms

vitcurc.png

vitcurc.png

592 ms

__utm.gif

__utm.gif

15 ms

RGR_2013_01.png

RGR_2013_01.png

566 ms

CB_2012.png

CB_2012.png

568 ms

LGC_2015_F_01.png

LGC_2015_F_01.png

566 ms

PEA_2015_F.png

PEA_2015_F.png

647 ms

33 ms

pea-1_01.png

pea-1_01.png

646 ms

PCF_2015_F.png

PCF_2015_F.png

587 ms

stg.png

stg.png

590 ms

melatonine_packshot.png

melatonine_packshot.png

586 ms

slaapcomplex_small.png

slaapcomplex_small.png

510 ms

VMag_2013.png

VMag_2013.png

584 ms

EWS_2012.png

EWS_2012.png

588 ms

video_01.jpg

video_01.jpg

508 ms

ideal-logo.png

ideal-logo.png

509 ms

input-left.png

input-left.png

505 ms

input.png

input.png

504 ms

carousel-prev-horizontal.png

carousel-prev-horizontal.png

503 ms

carousel-next-horizontal.png

carousel-next-horizontal.png

505 ms

styles_small.css

styles_small.css

86 ms

styles_big.css

styles_big.css

86 ms

Accessibility Review

vitalize.nl accessibility score

89

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

[role]s do not have all required [aria-*] attributes

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

Links do not have a discernible name

Best Practices

vitalize.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

High

Missing source maps for large first-party JavaScript

SEO Factors

vitalize.nl SEO score

92

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vitalize.nl can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vitalize.nl main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

vitalize.nl

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