Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

boekenplan.nl

Uitgeverij boeken | De beste boekenspecialist | Boekenplan

Page Load Speed

2 sec in total

First Response

280 ms

Resources Loaded

1.5 sec

Page Rendered

174 ms

boekenplan.nl screenshot

About Website

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

Uitgeven bij Boekenplan: persoonlijke begeleiding en expertise voor jouw boekensucces. Ontvang support van concept tot publicatie. Jouw verhaal, onze zorg.

Visit boekenplan.nl

Key Findings

We analyzed Boekenplan.nl page load time and found that the first response time was 280 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

boekenplan.nl performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

boekenplan.nl

280 ms

boekenplan.nl

467 ms

js

80 ms

styles.php

125 ms

impression

191 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 82% of them (28 requests) were addressed to the original Boekenplan.nl, 6% (2 requests) were made to Googletagmanager.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (674 ms) belongs to the original domain Boekenplan.nl.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.0 kB (31%)

Content Size

238.7 kB

After Optimization

163.6 kB

In fact, the total size of Boekenplan.nl main page is 238.7 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. 25% of websites need less resources to load. Images take 131.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 67.0 kB

  • Original 83.5 kB
  • After minification 82.7 kB
  • After compression 16.5 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 67.0 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 5.9 kB

  • Original 131.4 kB
  • After minification 125.5 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. Boekenplan images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 2.1 kB

  • Original 23.7 kB
  • After minification 23.7 kB
  • After compression 21.6 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.

Requests Breakdown

Number of requests can be reduced by 4 (13%)

Requests Now

31

After Optimization

27

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boekenplan. 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.

Accessibility Review

boekenplan.nl accessibility score

73

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

boekenplan.nl best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

Missing source maps for large first-party JavaScript

SEO Factors

boekenplan.nl SEO score

95

Search Engine Optimization Advices

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 Boekenplan.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 Boekenplan.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

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