Tools & Wizards About Us
ideabooks.nl screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

ideabooks.nl

About Idea Books

Page Load Speed

3.6 sec in total

First Response

371 ms

Resources Loaded

2.9 sec

Page Rendered

337 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 371 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

ideabooks.nl performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.145

77/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

ideabooks.nl

371 ms

ideabooks.nl

383 ms

www.ideabooks.nl

475 ms

364 ms

esf1qcd.css

72 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 86% of them (31 requests) were addressed to the original Ideabooks.nl, 8% (3 requests) were made to Use.typekit.net and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (999 ms) belongs to the original domain Ideabooks.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 901.7 kB (10%)

Content Size

9.0 MB

After Optimization

8.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ideabooks.nl main page is 9.0 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. 40% of websites need less resources to load. Images take 8.4 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 184.2 kB

  • Original 202.1 kB
  • After minification 118.3 kB
  • After compression 17.9 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. This page needs HTML code to be minified as it can gain 83.8 kB, which is 41% 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 184.2 kB or 91% of the original size.

Image Optimization

-8%

Potential reduce by 650.7 kB

  • Original 8.4 MB
  • After minification 7.8 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. Idea Books images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 46.6 kB

  • Original 259.8 kB
  • After minification 259.8 kB
  • After compression 213.2 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 46.6 kB or 18% of the original size.

CSS Optimization

-24%

Potential reduce by 20.3 kB

  • Original 84.4 kB
  • After minification 84.4 kB
  • After compression 64.0 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 20.3 kB or 24% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

30

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Idea Books. According to our analytics all requests are already optimized.

Network Requests Diagram

ideabooks.nl

ideabooks.nl

371 ms

ideabooks.nl

ideabooks.nl

383 ms

www.ideabooks.nl

www.ideabooks.nl

475 ms

364 ms

esf1qcd.css

esf1qcd.css

72 ms

all.css

all.css

272 ms

js

js

61 ms

all.js

all.js

639 ms

p.css

p.css

25 ms

logo.svg

logo.svg

110 ms

24383.sassen.9782493467065.jpg.jpg

24383.sassen.9782493467065.jpg.jpg

183 ms

24419.tiny.jpg.jpg

24419.tiny.jpg.jpg

719 ms

24465.useful.9789070478599.jpg.jpg

24465.useful.9789070478599.jpg.jpg

724 ms

9781915609526.whyido.jpg.jpg

9781915609526.whyido.jpg.jpg

539 ms

24374.strange.9781915609250.jpg.jpg

24374.strange.9781915609250.jpg.jpg

721 ms

24451.bibel.9789083357188.jpg.jpg

24451.bibel.9789083357188.jpg.jpg

460 ms

24452.maaskant.9789493363021.jpg.jpg

24452.maaskant.9789493363021.jpg.jpg

507 ms

24448.vandermolen.2.9789083345987.jpg.jpg

24448.vandermolen.2.9789083345987.jpg.jpg

552 ms

24430.gander.9782914171847.jpg.jpg

24430.gander.9782914171847.jpg.jpg

597 ms

24442.time.9782491906429.jpg.jpg

24442.time.9782491906429.jpg.jpg

807 ms

24416.9783948440732.100.jpg.jpg

24416.9783948440732.100.jpg.jpg

734 ms

24462.living.9788774077787.jpg.jpg

24462.living.9788774077787.jpg.jpg

689 ms

24407.office.4.9788412823417.jpg.jpg

24407.office.4.9788412823417.jpg.jpg

784 ms

24408.dreams.9789493382015.jpg.jpg

24408.dreams.9789493382015.jpg.jpg

813 ms

24404.oase117.9789462088399.jpg.jpg

24404.oase117.9789462088399.jpg.jpg

906 ms

24387.doma10.jpg.jpg

24387.doma10.jpg.jpg

821 ms

24388.mailaender.9782492175411.jpg.jpg

24388.mailaender.9782492175411.jpg.jpg

830 ms

24375.amag35norway.9789893530474.jpg.jpg

24375.amag35norway.9789893530474.jpg.jpg

875 ms

24384.acid6.jpg.jpg

24384.acid6.jpg.jpg

988 ms

24372.blok.9789090385310.jpg.jpg

24372.blok.9789090385310.jpg.jpg

994 ms

24381.garment.2.9789083441405.jpg.jpg

24381.garment.2.9789083441405.jpg.jpg

914 ms

24366.photos.9789083106649.jpg.jpg

24366.photos.9789083106649.jpg.jpg

925 ms

24264.prettyugly.9781914236419.jpg.jpg

24264.prettyugly.9781914236419.jpg.jpg

967 ms

24351.norhtsea.9788090843356.jpg.jpg

24351.norhtsea.9788090843356.jpg.jpg

999 ms

d

d

11 ms

d

d

41 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

93

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