Tools & Wizards About Us
ideabooks.nl screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    75% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

ideabooks.nl

About Idea Books

Page Load Speed

2.6 sec in total

First Response

528 ms

Resources Loaded

2 sec

Page Rendered

129 ms

ideabooks.nl screenshot

About Website

Click here to check amazing Idea Books content for United States. Otherwise, check out these important facts you probably never knew about ideabooks.nl

Founded in 1976, Idea Books is a specialist wholesaler and distributor of the latest books, magazines, exhibition catalogues, and more on architectur…

Visit ideabooks.nl

Key Findings

We analyzed Ideabooks.nl page load time and found that the first response time was 528 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

ideabooks.nl performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.189

65/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

www.ideabooks.nl

528 ms

e7c6d614ed3774d521653b60e3ce1417.css

171 ms

b6cc1cbfa93d071116b4f53e8d6da431.js

510 ms

css

26 ms

Q29tVCXlEeOluCIACusDuQ.js

26 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 86% of them (32 requests) were addressed to the original Ideabooks.nl, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (528 ms) belongs to the original domain Ideabooks.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 631.5 kB (64%)

Content Size

988.4 kB

After Optimization

356.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ideabooks.nl main page is 988.4 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. 35% of websites need less resources to load. Javascripts take 692.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 31.8 kB

  • Original 38.2 kB
  • After minification 32.4 kB
  • After compression 6.4 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 5.9 kB, which is 15% 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 31.8 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 14.5 kB

  • Original 176.5 kB
  • After minification 162.1 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. Idea Books images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 516.0 kB

  • Original 692.9 kB
  • After minification 554.1 kB
  • After compression 176.9 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 516.0 kB or 74% of the original size.

CSS Optimization

-86%

Potential reduce by 69.3 kB

  • Original 80.7 kB
  • After minification 56.4 kB
  • After compression 11.4 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. Ideabooks.nl needs all CSS files to be minified and compressed as it can save up to 69.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (9%)

Requests Now

35

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Idea Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.ideabooks.nl

www.ideabooks.nl

528 ms

e7c6d614ed3774d521653b60e3ce1417.css

e7c6d614ed3774d521653b60e3ce1417.css

171 ms

b6cc1cbfa93d071116b4f53e8d6da431.js

b6cc1cbfa93d071116b4f53e8d6da431.js

510 ms

css

css

26 ms

Q29tVCXlEeOluCIACusDuQ.js

Q29tVCXlEeOluCIACusDuQ.js

26 ms

allerlei.js

allerlei.js

179 ms

button_search.png

button_search.png

95 ms

fb_icon.png

fb_icon.png

96 ms

16092.ec183nouvel.9788488386885_1.jpg

16092.ec183nouvel.9788488386885_1.jpg

95 ms

9789491819513.boscheng_6.jpg

9789491819513.boscheng_6.jpg

170 ms

16074.purplefashion_3.jpg

16074.purplefashion_3.jpg

171 ms

16073.remyveenhuizen_1.jpg

16073.remyveenhuizen_1.jpg

168 ms

16022.henrot.9782917217733_5.jpg

16022.henrot.9782917217733_5.jpg

171 ms

16019.acid.9782919159161.jpg

16019.acid.9782919159161.jpg

170 ms

15619.yesyesyes9788887071627_3.jpg

15619.yesyesyes9788887071627_3.jpg

170 ms

15776.brick.9789461400277_6.jpg

15776.brick.9789461400277_6.jpg

251 ms

16004.artintheageof.9789491435430_3.jpg

16004.artintheageof.9789491435430_3.jpg

250 ms

15755.wimcrouwel.9789462261471_3.jpg

15755.wimcrouwel.9789462261471_3.jpg

255 ms

15751.siegelaub9789491843525_4.jpg

15751.siegelaub9789491843525_4.jpg

252 ms

15744.laarman9789090294360.jpg

15744.laarman9789090294360.jpg

251 ms

15692.newdutch.9789082359367_3.jpg

15692.newdutch.9789082359367_3.jpg

254 ms

15687.av181menis.9788460834250_4.jpg

15687.av181menis.9788460834250_4.jpg

336 ms

15695.tuymansintolerance.9789491819353.jpg

15695.tuymansintolerance.9789491819353.jpg

336 ms

15600.atlas.9788968010378_3.jpg

15600.atlas.9788968010378_3.jpg

335 ms

15589.365typo.9791095254003_5.jpg

15589.365typo.9791095254003_5.jpg

334 ms

15572.solid.9788460692386.jpg

15572.solid.9788460692386.jpg

337 ms

15570.lixenberg.9789491843426_1.jpg

15570.lixenberg.9789491843426_1.jpg

334 ms

15555.vanhoek.9789082414905.jpg

15555.vanhoek.9789082414905.jpg

416 ms

15499.boom.9789490913588_1.jpg

15499.boom.9789490913588_1.jpg

417 ms

15498.experimentaljetset_2.jpg

15498.experimentaljetset_2.jpg

413 ms

15306.wessels.9789490800345_2.jpg

15306.wessels.9789490800345_2.jpg

415 ms

15230.fujimoto.9784887063495_9.jpg

15230.fujimoto.9784887063495_9.jpg

416 ms

1454598957261461718.jpg

1454598957261461718.jpg

416 ms

BfQP1MR3mJNaumtWa4Tizg.ttf

BfQP1MR3mJNaumtWa4Tizg.ttf

68 ms

analytics.js

analytics.js

43 ms

collect

collect

25 ms

093926de7fbfdde22b9aa569b341e163.css

093926de7fbfdde22b9aa569b341e163.css

86 ms

Accessibility Review

ideabooks.nl accessibility score

72

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

[aria-*] attributes do not match their roles

High

ARIA IDs are not unique

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.

Best Practices

ideabooks.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ideabooks.nl SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ideabooks.nl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Ideabooks.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

ideabooks.nl

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