Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

wolterskluwer.pl

Wolters Kluwer Polska - Strona główna | Wolters Kluwer

Page Load Speed

4.5 sec in total

First Response

242 ms

Resources Loaded

3.2 sec

Page Rendered

979 ms

About Website

Welcome to wolterskluwer.pl homepage info - get ready to check Wolters Kluwer best content for Poland right away, or after learning these important things about wolterskluwer.pl

Wolters Kluwer to międzynarodowy dostawca profesjonalnych informacji, rozwiązań w dziedzinie oprogramowania

Visit wolterskluwer.pl

Key Findings

We analyzed Wolterskluwer.pl page load time and found that the first response time was 242 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

wolterskluwer.pl performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value18.7 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value4,350 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

wolterskluwer.pl

242 ms

pl-pl

294 ms

optimized-min.js

271 ms

optimized-min.css

49 ms

optimized-min.css

101 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Wolterskluwer.pl, 39% (17 requests) were made to Assets.contenthub.wolterskluwer.com and 20% (9 requests) were made to Wolterskluwer.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Assets.contenthub.wolterskluwer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 376.7 kB (5%)

Content Size

8.0 MB

After Optimization

7.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wolterskluwer.pl main page is 8.0 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. Only a small number of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 93.3 kB

  • Original 113.9 kB
  • After minification 113.8 kB
  • After compression 20.5 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 93.3 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 14.2 kB

  • Original 6.9 MB
  • After minification 6.9 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. Wolters Kluwer images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 110.0 kB

  • Original 786.5 kB
  • After minification 786.5 kB
  • After compression 676.5 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 110.0 kB or 14% of the original size.

CSS Optimization

-96%

Potential reduce by 159.2 kB

  • Original 166.4 kB
  • After minification 13.0 kB
  • After compression 7.2 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. Wolterskluwer.pl needs all CSS files to be minified and compressed as it can save up to 159.2 kB or 96% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (32%)

Requests Now

37

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wolters Kluwer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

wolterskluwer.pl accessibility score

92

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

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

wolterskluwer.pl 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

wolterskluwer.pl SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    PL

  • Language Claimed

    PL

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wolterskluwer.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Wolterskluwer.pl main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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