Tools & Wizards About Us
boeken.openstart.nl screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

boeken.openstart.nl

Boeken startpagina - sinds 2004 een begrip in Nederland

Page Load Speed

5.4 sec in total

First Response

1.6 sec

Resources Loaded

3.6 sec

Page Rendered

242 ms

boeken.openstart.nl screenshot

About Website

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

Complete overzichtelijke startpagina. Handig voor dagelijks gebruik met genoeg tips en handige websites over Boeken. Ontdek het direct.

Visit boeken.openstart.nl

Key Findings

We analyzed Boeken.openstart.nl page load time and found that the first response time was 1.6 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

boeken.openstart.nl performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value9.0 s

15/100

10%

TBT (Total Blocking Time)

Value2,640 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.113

86/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

Network Requests Diagram

boeken.openstart.nl

1629 ms

js

46 ms

style.css

388 ms

jquery.min.js

503 ms

jquery-migrate.min.js

409 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Boeken.openstart.nl, 33% (11 requests) were made to Openstart.nl and 18% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Boeken.openstart.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.5 kB (9%)

Content Size

760.1 kB

After Optimization

688.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Boeken.openstart.nl main page is 760.1 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. 75% 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 434.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 49.5 kB

  • Original 59.4 kB
  • After minification 48.4 kB
  • After compression 10.0 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 11.0 kB, which is 18% 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 49.5 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 19.1 kB

  • Original 434.3 kB
  • After minification 415.2 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. Boeken Openstart images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 202.6 kB
  • After minification 202.6 kB
  • After compression 199.8 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

-0%

Potential reduce by 38 B

  • Original 63.7 kB
  • After minification 63.7 kB
  • After compression 63.6 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. Boeken.openstart.nl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (42%)

Requests Now

26

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boeken Openstart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

boeken.openstart.nl

boeken.openstart.nl

1629 ms

js

js

46 ms

style.css

style.css

388 ms

jquery.min.js

jquery.min.js

503 ms

jquery-migrate.min.js

jquery-migrate.min.js

409 ms

slippry.min.js

slippry.min.js

409 ms

css

css

63 ms

css

css

80 ms

oTqKbjwaYgI

oTqKbjwaYgI

165 ms

kinderen-gaza-behandeld-voor-ondervoeding-raketsalvo-op-israel.jpg

kinderen-gaza-behandeld-voor-ondervoeding-raketsalvo-op-israel.jpg

129 ms

nederland-beleeft-met-twaalf-medailles-verreweg-succesvolste-ek-atletiek-ooit.jpg

nederland-beleeft-met-twaalf-medailles-verreweg-succesvolste-ek-atletiek-ooit.jpg

163 ms

negen-doden-in-oekraiense-stad-bevroren-russisch-geld-naar-kyiv.jpg

negen-doden-in-oekraiense-stad-bevroren-russisch-geld-naar-kyiv.jpg

191 ms

redding-vitesse-stap-dichterbij-club-ontvangt-biedingen-van-meer-dan-10-miljoen.jpg

redding-vitesse-stap-dichterbij-club-ontvangt-biedingen-van-meer-dan-10-miljoen.jpg

506 ms

OpenStart.nl_.png

OpenStart.nl_.png

124 ms

honden.jpg

honden.jpg

218 ms

books-1281581_1920-1024x388.jpg

books-1281581_1920-1024x388.jpg

505 ms

buiten-led-scherm-huren.jpg

buiten-led-scherm-huren.jpg

525 ms

Groepsreistips.jpg

Groepsreistips.jpg

505 ms

Google_Partners_logo.jpeg

Google_Partners_logo.jpeg

506 ms

banner.jpg

banner.jpg

506 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

22 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0B4gaVc.ttf

31 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

61 ms

4iCv6KVjbNBYlgoCjC3jsGyI.ttf

4iCv6KVjbNBYlgoCjC3jsGyI.ttf

64 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

30 ms

base.js

base.js

64 ms

ad_status.js

ad_status.js

155 ms

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

YjCNJ0mFj9HiCkQt39lQVpZzkP0G8dlYH-ABayRLdFs.js

118 ms

embed.js

embed.js

43 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

11 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

12 ms

id

id

25 ms

Accessibility Review

boeken.openstart.nl accessibility score

70

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.

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 IDs are not unique

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

boeken.openstart.nl best practices score

83

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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

boeken.openstart.nl SEO score

90

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

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 Boeken.openstart.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 Boeken.openstart.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

boeken.openstart.nl

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