Tools & Wizards About Us
sanderspuzzelboeken.nl screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

sanderspuzzelboeken.nl

Sanders Puzzelboeken - Bestel hier je puzzelboeken online!

Page Load Speed

3.5 sec in total

First Response

406 ms

Resources Loaded

2.7 sec

Page Rendered

334 ms

sanderspuzzelboeken.nl screenshot

About Website

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

Welkom bij Sanders Puzzelboeken. Bestel hier je favoriete puzzelboeken, puzzel online of kom meer te weten over jouw favoriete puzzelsoort.

Visit sanderspuzzelboeken.nl

Key Findings

We analyzed Sanderspuzzelboeken.nl page load time and found that the first response time was 406 ms and then it took 3.1 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

sanderspuzzelboeken.nl performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value1,680 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

Network Requests Diagram

sanderspuzzelboeken.nl

406 ms

sanderspuzzelboeken.nl

176 ms

www.denksport.com

526 ms

calendar.min.css

16 ms

styles-m.min.css

28 ms

Our browser made a total of 203 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Sanderspuzzelboeken.nl, 94% (190 requests) were made to Denksport.com and 3% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (767 ms) relates to the external source Denksport.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.8 kB (8%)

Content Size

4.6 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sanderspuzzelboeken.nl main page is 4.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 237.7 kB

  • Original 286.3 kB
  • After minification 255.4 kB
  • After compression 48.5 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 30.8 kB, which is 11% 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 237.7 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 139.2 kB

  • Original 3.9 MB
  • After minification 3.8 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. Sanders Puzzelboeken images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.1 kB

  • Original 219.8 kB
  • After minification 219.8 kB
  • After compression 216.7 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.

CSS Optimization

-2%

Potential reduce by 2.8 kB

  • Original 145.2 kB
  • After minification 142.9 kB
  • After compression 142.4 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. Sanderspuzzelboeken.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 132 (69%)

Requests Now

192

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 192 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sanders Puzzelboeken. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 124 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sanderspuzzelboeken.nl

sanderspuzzelboeken.nl

406 ms

sanderspuzzelboeken.nl

sanderspuzzelboeken.nl

176 ms

www.denksport.com

www.denksport.com

526 ms

calendar.min.css

calendar.min.css

16 ms

styles-m.min.css

styles-m.min.css

28 ms

tooltipster.min.css

tooltipster.min.css

23 ms

swiper.min.css

swiper.min.css

59 ms

button.min.css

button.min.css

61 ms

font-awesome.min.css

font-awesome.min.css

59 ms

styles-l.min.css

styles-l.min.css

61 ms

require.min.js

require.min.js

73 ms

requirejs-min-resolver.min.js

requirejs-min-resolver.min.js

71 ms

mixins.min.js

mixins.min.js

72 ms

requirejs-config.min.js

requirejs-config.min.js

70 ms

spinner.min.js

spinner.min.js

72 ms

megamenu.min.js

megamenu.min.js

73 ms

burgermenu.min.js

burgermenu.min.js

74 ms

50549.js

50549.js

364 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

71 ms

css

css

62 ms

css

css

81 ms

print.min.css

print.min.css

16 ms

gtm.js

gtm.js

190 ms

denksport-logo.svg

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85 ms

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Webshop_-_Categorie_-_Banners__291x248px_1_.png

88 ms

denksport-abonnement-mobiel.jpg

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86 ms

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121 ms

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88 ms

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120 ms

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508 ms

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119 ms

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119 ms

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119 ms

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156 ms

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154 ms

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157 ms

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157 ms

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671 ms

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160 ms

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159 ms

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158 ms

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534 ms

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522 ms

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767 ms

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538 ms

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549 ms

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553 ms

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566 ms

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568 ms

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67 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K5fQBi8Jo43ZKyHqQg.ttf

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101 ms

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K67QBi8Jo43ZKyHqQg.ttf

QGY_z_wNahGAdqQ43RhVcIgYT2Xz5u32K67QBi8Jo43ZKyHqQg.ttf

103 ms

jquery.min.js

jquery.min.js

524 ms

common.min.js

common.min.js

515 ms

dataPost.min.js

dataPost.min.js

515 ms

bootstrap.min.js

bootstrap.min.js

486 ms

app.min.js

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485 ms

form-key-provider.min.js

form-key-provider.min.js

489 ms

mage-translation-dictionary.min.js

mage-translation-dictionary.min.js

496 ms

theme.min.js

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497 ms

slide-animation.min.js

slide-animation.min.js

499 ms

fly-to-cart-animation.min.js

fly-to-cart-animation.min.js

470 ms

keesing.woff

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473 ms

Luma-Icons.woff

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478 ms

win-435_webimage350.jpg

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479 ms

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504 ms

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502 ms

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43 ms

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42 ms

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43 ms

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503 ms

jquery-mixin.min.js

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383 ms

weltpixel_ga4_persistentlayer.min.js

weltpixel_ga4_persistentlayer.min.js

384 ms

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366 ms

customer-data.min.js

customer-data.min.js

362 ms

customer-data-mixin.min.js

customer-data-mixin.min.js

548 ms

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175 ms

bancontact.png

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176 ms

paypall.png

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171 ms

mastercard.png

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166 ms

visa.png

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167 ms

american-express.png

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173 ms

sepa.png

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163 ms

klarna.png

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162 ms

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160 ms

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jquery-migrate.min.js

129 ms

slick.min.js

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135 ms

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142 ms

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138 ms

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translate.min.js

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smart-keyboard-handler.min.js

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wrapper.min.js

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underscore.min.js

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key-codes.min.js

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core.min.js

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z-index.min.js

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knockout-fast-foreach.min.js

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entry-factory.min.js

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Accessibility Review

sanderspuzzelboeken.nl accessibility score

91

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best Practices

sanderspuzzelboeken.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

SEO Factors

sanderspuzzelboeken.nl SEO score

84

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

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 Sanderspuzzelboeken.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 Sanderspuzzelboeken.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

sanderspuzzelboeken.nl

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