Tools & Wizards About Us
zoekeenboek.nl screenshot

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

zoekeenboek.nl

Boeken kopen? Koop je boeken online via Zoekeenboek.nl

Page Load Speed

2.7 sec in total

First Response

376 ms

Resources Loaded

2.1 sec

Page Rendered

224 ms

zoekeenboek.nl screenshot

About Website

Visit zoekeenboek.nl now to see the best up-to-date Zoekeenboek content for Netherlands and also check out these interesting facts you probably never knew about zoekeenboek.nl

Boeken koop je online via Zoekeenboek.nl. Zoek boeken op ISBN, titel, auteur of trefwoord en bestel bij je favoriete boekwinkel.

Visit zoekeenboek.nl

Key Findings

We analyzed Zoekeenboek.nl page load time and found that the first response time was 376 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zoekeenboek.nl performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

zoekeenboek.nl

376 ms

www.zoekeenboek.nl

572 ms

c20b0.css

96 ms

gtm.js

63 ms

zoekeenboek.svg

95 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 86% of them (6 requests) were addressed to the original Zoekeenboek.nl, 14% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (572 ms) belongs to the original domain Zoekeenboek.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.9 kB (10%)

Content Size

95.8 kB

After Optimization

85.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Zoekeenboek.nl main page is 95.8 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. Only 5% of websites need less resources to load. Images take 77.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 9.8 kB

  • Original 13.3 kB
  • After minification 13.3 kB
  • After compression 3.5 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. 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 9.8 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 77.1 kB
  • After minification 77.1 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. Zoekeenboek images are well optimized though.

CSS Optimization

-1%

Potential reduce by 49 B

  • Original 5.4 kB
  • After minification 5.4 kB
  • After compression 5.3 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. Zoekeenboek.nl has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zoekeenboek. According to our analytics all requests are already optimized.

Network Requests Diagram

zoekeenboek.nl

zoekeenboek.nl

376 ms

www.zoekeenboek.nl

www.zoekeenboek.nl

572 ms

c20b0.css

c20b0.css

96 ms

gtm.js

gtm.js

63 ms

zoekeenboek.svg

zoekeenboek.svg

95 ms

zoek-een-boek-1920x1080-1.jpg

zoek-een-boek-1920x1080-1.jpg

373 ms

magnifying-glass.svg

magnifying-glass.svg

282 ms

Accessibility Review

zoekeenboek.nl accessibility score

100

Accessibility Issues

Best Practices

zoekeenboek.nl best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

zoekeenboek.nl SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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 Zoekeenboek.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 Zoekeenboek.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

zoekeenboek.nl

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