Tools & Wizards About Us
topvitamins.nl screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

topvitamins.nl

Topvitamins - Natuurlijke Vitaminen, Supplementen en Superfoods

Page Load Speed

3 sec in total

First Response

371 ms

Resources Loaded

2.2 sec

Page Rendered

417 ms

topvitamins.nl screenshot

About Website

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

Topvitamins.nl verkoopt hoge kwaliteit natuurlijke supplementen van de beste internationale top merken. Snelle levering en scherpe prijzen.

Visit topvitamins.nl

Key Findings

We analyzed Topvitamins.nl page load time and found that the first response time was 371 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

topvitamins.nl performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

28/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.7 s

29/100

10%

Network Requests Diagram

topvitamins.nl

371 ms

www.topvitamins.nl

489 ms

home

100 ms

220 ms

977908d57e7f3ffd.css

264 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 7% of them (5 requests) were addressed to the original Topvitamins.nl, 82% (61 requests) were made to Cdn.topvitamins.nl and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (736 ms) relates to the external source Cdn.topvitamins.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.0 kB (38%)

Content Size

477.3 kB

After Optimization

294.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Topvitamins.nl main page is 477.3 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. 55% of websites need less resources to load. Images take 293.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 133.6 kB

  • Original 159.5 kB
  • After minification 159.1 kB
  • After compression 25.9 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 133.6 kB or 84% of the original size.

Image Optimization

-17%

Potential reduce by 49.3 kB

  • Original 293.3 kB
  • After minification 244.0 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, Topvitamins needs image optimization as it can save up to 49.3 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 69 B

  • Original 24.5 kB
  • After minification 24.5 kB
  • After compression 24.4 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 36 (51%)

Requests Now

70

After Optimization

34

  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Topvitamins. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

topvitamins.nl

topvitamins.nl

371 ms

www.topvitamins.nl

www.topvitamins.nl

489 ms

home

home

100 ms

220 ms

977908d57e7f3ffd.css

977908d57e7f3ffd.css

264 ms

e2e73f11d2b4a3e3.js

e2e73f11d2b4a3e3.js

259 ms

c7e7f4e8e0bc932f.js

c7e7f4e8e0bc932f.js

258 ms

4a2af27343795057.js

4a2af27343795057.js

260 ms

2977ba938e9048b4.js

2977ba938e9048b4.js

260 ms

420fd19b539031e4.js

420fd19b539031e4.js

260 ms

502f69e784e50e7d.js

502f69e784e50e7d.js

346 ms

6ffb51b6f9c82d9d.js

6ffb51b6f9c82d9d.js

345 ms

95b3145675f802f8.js

95b3145675f802f8.js

356 ms

43a6f3f6104af209.js

43a6f3f6104af209.js

357 ms

92d888600f59f514.js

92d888600f59f514.js

358 ms

84dc513df69188a6.js

84dc513df69188a6.js

354 ms

grid.js

grid.js

292 ms

topvitaminsnl-gdpr-cookie.js

topvitaminsnl-gdpr-cookie.js

141 ms

prum.min.js

prum.min.js

128 ms

gtm.js

gtm.js

126 ms

pattern3.jpg

pattern3.jpg

47 ms

topvitamins.gif

topvitamins.gif

47 ms

toplinksap.png

toplinksap.png

47 ms

1_6481808785f5e7.88349406.png

1_6481808785f5e7.88349406.png

48 ms

1_648180962dca40.96842447.png

1_648180962dca40.96842447.png

48 ms

vitamin-k2-100-g-gph-90-capsules-gall-pharma-gmbh-16c.jpg

vitamin-k2-100-g-gph-90-capsules-gall-pharma-gmbh-16c.jpg

46 ms

cognizin-citicoline-250-mg-60-veggie-caps-healthy-origins-0ec.jpg

cognizin-citicoline-250-mg-60-veggie-caps-healthy-origins-0ec.jpg

70 ms

msm-500-mg-gph-60-capsules-gall-pharma-gmbh-dc7.jpg

msm-500-mg-gph-60-capsules-gall-pharma-gmbh-dc7.jpg

108 ms

saccharomyces-boulardii-50-veggie-caps-allergy-research-group-1fa.jpg

saccharomyces-boulardii-50-veggie-caps-allergy-research-group-1fa.jpg

69 ms

complete-spore-restore-30-capsules-dr-mercola-e2c.jpg

complete-spore-restore-30-capsules-dr-mercola-e2c.jpg

65 ms

astaxanthine-hyaluronzuur-eggshell-extract-90-tablets-dr-mercola-b2d.jpg

astaxanthine-hyaluronzuur-eggshell-extract-90-tablets-dr-mercola-b2d.jpg

68 ms

alfalfa-650-mg-250-tablets-now-foods-8a8.jpg

alfalfa-650-mg-250-tablets-now-foods-8a8.jpg

67 ms

thyroid-natural-glandular-100-vegetarian-capsules-allergy-research-group-6d8.jpg

thyroid-natural-glandular-100-vegetarian-capsules-allergy-research-group-6d8.jpg

105 ms

relax-magnesium-spray-50-ml-the-health-factory-0b2.jpg

relax-magnesium-spray-50-ml-the-health-factory-0b2.jpg

105 ms

glow-shine-spray-50-ml-the-health-factory--9fe.png

glow-shine-spray-50-ml-the-health-factory--9fe.png

104 ms

organic-spirulina-120-tablets-dr-mercola-93c.jpg

organic-spirulina-120-tablets-dr-mercola-93c.jpg

105 ms

silica-collagen-builder-60-tablets-dr-mercola-5b2.jpg

silica-collagen-builder-60-tablets-dr-mercola-5b2.jpg

103 ms

webshop-keurmerk.jpg

webshop-keurmerk.jpg

108 ms

payment-options.jpg

payment-options.jpg

110 ms

ajax-loader-tr.gif

ajax-loader-tr.gif

107 ms

facebook.png

facebook.png

104 ms

linkedin.png

linkedin.png

105 ms

twitter.png

twitter.png

103 ms

reload.png

reload.png

106 ms

9e25eb8ce5ce320ec77c88edd9f130dd.png

9e25eb8ce5ce320ec77c88edd9f130dd.png

727 ms

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5a43f74810769ca6ca8c77a4b66c76a3.png

736 ms

al.gif

al.gif

112 ms

opc-ajax-loader.gif

opc-ajax-loader.gif

106 ms

search_bg.png

search_bg.png

76 ms

basket_go_32.png

basket_go_32.png

55 ms

line2.png

line2.png

417 ms

truck.png

truck.png

55 ms

betaling.png

betaling.png

55 ms

vertrouwen.png

vertrouwen.png

58 ms

shadow-left.png

shadow-left.png

56 ms

shadow-right.png

shadow-right.png

57 ms

sprite.png

sprite.png

9 ms

onsale.category.default.bg.png

onsale.category.default.bg.png

9 ms

rating-stars.png

rating-stars.png

7 ms

limited-stock-nl2.png

limited-stock-nl2.png

8 ms

footer-shadow-left.png

footer-shadow-left.png

14 ms

footer-shadow-right.png

footer-shadow-right.png

15 ms

facebook.png

facebook.png

15 ms

twitter.png

twitter.png

18 ms

line.png

line.png

16 ms

footer_li.png

footer_li.png

15 ms

bkg_pipe1.gif

bkg_pipe1.gif

18 ms

sdk.js

sdk.js

48 ms

loader.js

loader.js

169 ms

bat.js

bat.js

90 ms

sdk.js

sdk.js

9 ms

47 ms

5437321.js

5437321.js

14 ms

3afb3540613ffef8.css

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4 ms

Accessibility Review

topvitamins.nl accessibility score

66

Accessibility Issues

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

topvitamins.nl 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

topvitamins.nl SEO score

83

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

High

robots.txt is not valid

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 Topvitamins.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 Topvitamins.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

topvitamins.nl

Open Graph data is detected on the main page of Topvitamins. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: