Tools & Wizards About Us
boeken.zoekhulp.nl screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

boeken.zoekhulp.nl

Boeken Zoekhulp.nl - helpt zoeken op 12 boeken sites

Page Load Speed

2.3 sec in total

First Response

661 ms

Resources Loaded

1.6 sec

Page Rendered

72 ms

boeken.zoekhulp.nl screenshot

About Website

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

boeken.zoekhulp.nl zoekt op Bruna.nl, Computerboek.nl, AKO.nl, Boek.net, 123luisterboek.nl, Cosmox.nl, Tweedehands.net, Proxis.nl, Managementboek.nl, NLstore.nl, Internetboekhandel.nl en Amazon.com

Visit boeken.zoekhulp.nl

Key Findings

We analyzed Boeken.zoekhulp.nl page load time and found that the first response time was 661 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

boeken.zoekhulp.nl performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value530 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

boeken.zoekhulp.nl

661 ms

style.css

406 ms

adsbygoogle.js

104 ms

topmenu.js

416 ms

bnr-120-allekabels.png

517 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Boeken.zoekhulp.nl, 72% (21 requests) were made to Cache.zoekhulp.nl and 10% (3 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (661 ms) belongs to the original domain Boeken.zoekhulp.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 180.0 kB (36%)

Content Size

506.1 kB

After Optimization

326.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Boeken.zoekhulp.nl main page is 506.1 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. 20% of websites need less resources to load. Javascripts take 426.2 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 45.3 kB

  • Original 50.6 kB
  • After minification 40.5 kB
  • After compression 5.3 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 10.1 kB, which is 20% 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 45.3 kB or 89% of the original size.

Image Optimization

-29%

Potential reduce by 8.4 kB

  • Original 28.9 kB
  • After minification 20.5 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, Boeken Zoekhulp needs image optimization as it can save up to 8.4 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-30%

Potential reduce by 126.3 kB

  • Original 426.2 kB
  • After minification 426.2 kB
  • After compression 299.9 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 126.3 kB or 30% of the original size.

CSS Optimization

-16%

Potential reduce by 62 B

  • Original 399 B
  • After minification 399 B
  • After compression 337 B

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. Boeken.zoekhulp.nl needs all CSS files to be minified and compressed as it can save up to 62 B or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (36%)

Requests Now

28

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boeken Zoekhulp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

boeken.zoekhulp.nl

boeken.zoekhulp.nl

661 ms

style.css

style.css

406 ms

adsbygoogle.js

adsbygoogle.js

104 ms

topmenu.js

topmenu.js

416 ms

bnr-120-allekabels.png

bnr-120-allekabels.png

517 ms

logo.gif

logo.gif

434 ms

spacer.gif

spacer.gif

434 ms

go.gif

go.gif

435 ms

show_ads_impl.js

show_ads_impl.js

294 ms

tridown.gif

tridown.gif

102 ms

pijltje_logo.gif

pijltje_logo.gif

103 ms

bruna.nl.gif

bruna.nl.gif

107 ms

computerboek.nl.gif

computerboek.nl.gif

107 ms

ako.nl.gif

ako.nl.gif

116 ms

boek.net.gif

boek.net.gif

180 ms

123luisterboek.nl.gif

123luisterboek.nl.gif

195 ms

cosmox.nl.gif

cosmox.nl.gif

199 ms

tweedehands.net.gif

tweedehands.net.gif

202 ms

proxis.nl.gif

proxis.nl.gif

202 ms

managementboek.nl.gif

managementboek.nl.gif

218 ms

nlstore.nl.gif

nlstore.nl.gif

269 ms

internetboekhandel.nl.gif

internetboekhandel.nl.gif

288 ms

amazon.com.gif

amazon.com.gif

293 ms

back.gif

back.gif

283 ms

ga.js

ga.js

41 ms

__utm.gif

__utm.gif

25 ms

zrt_lookup.html

zrt_lookup.html

30 ms

ads

ads

354 ms

slotcar_library.js

slotcar_library.js

83 ms

Accessibility Review

boeken.zoekhulp.nl accessibility score

55

Accessibility Issues

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

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

boeken.zoekhulp.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

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

boeken.zoekhulp.nl SEO score

69

Search Engine Optimization Advices

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

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 Boeken.zoekhulp.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 Boeken.zoekhulp.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

boeken.zoekhulp.nl

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