Tools & Wizards About Us
wolterskluwer.pl screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    49% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

wolterskluwer.pl

Wolters Kluwer Polska - Strona główna | Wolters Kluwer

Page Load Speed

3.6 sec in total

First Response

402 ms

Resources Loaded

2.9 sec

Page Rendered

280 ms

wolterskluwer.pl screenshot

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 402 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 50% of websites can load faster.

Performance Metrics

wolterskluwer.pl performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value1,870 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

wolterskluwer.pl

402 ms

www.wolterskluwer.pl

630 ms

css.jsp

358 ms

barebone.jsp

698 ms

main.css

599 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 6% of them (4 requests) were addressed to the original Wolterskluwer.pl, 62% (41 requests) were made to Cdn.wolterskluwer.pl and 6% (4 requests) were made to Borg.wolterskluwer.pl. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Profinfo.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 469.0 kB (64%)

Content Size

733.8 kB

After Optimization

264.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wolterskluwer.pl main page is 733.8 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. 30% of websites need less resources to load. CSS take 264.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 68.1 kB

  • Original 83.9 kB
  • After minification 83.1 kB
  • After compression 15.7 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 68.1 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 6.2 kB

  • Original 129.2 kB
  • After minification 123.0 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. Wolters Kluwer images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 172.8 kB

  • Original 255.9 kB
  • After minification 245.1 kB
  • After compression 83.1 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 172.8 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 221.8 kB

  • Original 264.7 kB
  • After minification 260.5 kB
  • After compression 42.9 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 221.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (62%)

Requests Now

60

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 60 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 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

wolterskluwer.pl

wolterskluwer.pl

402 ms

www.wolterskluwer.pl

www.wolterskluwer.pl

630 ms

css.jsp

css.jsp

358 ms

barebone.jsp

barebone.jsp

698 ms

main.css

main.css

599 ms

jScrollPane.js

jScrollPane.js

365 ms

scripts.js

scripts.js

361 ms

CookiePolicyBar.js

CookiePolicyBar.js

662 ms

javascript.js

javascript.js

256 ms

j.php

j.php

14 ms

40464115.jpg

40464115.jpg

1242 ms

40116633.jpg

40116633.jpg

1241 ms

40156247.jpg

40156247.jpg

1261 ms

40288055.jpg

40288055.jpg

1262 ms

wk-new-logo.png

wk-new-logo.png

113 ms

strzalka-serwisy-wk.png

strzalka-serwisy-wk.png

112 ms

newsletter2.png

newsletter2.png

114 ms

facebook2.png

facebook2.png

111 ms

google2.png

google2.png

114 ms

twitter2.png

twitter2.png

115 ms

search.png

search.png

220 ms

image_gallery

image_gallery

224 ms

image_gallery

image_gallery

229 ms

image_gallery

image_gallery

229 ms

image_gallery

image_gallery

335 ms

image_gallery

image_gallery

231 ms

image_gallery

image_gallery

329 ms

image_gallery

image_gallery

335 ms

kup.png

kup.png

337 ms

footer-logo.gif

footer-logo.gif

337 ms

gtm.js

gtm.js

83 ms

header.gif

header.gif

330 ms

selected_tab.gif

selected_tab.gif

430 ms

separator_green.gif

separator_green.gif

438 ms

search_input.gif

search_input.gif

440 ms

v.gif

v.gif

5 ms

gray_solid.gif

gray_solid.gif

428 ms

temat_dnia_back.png

temat_dnia_back.png

426 ms

gray.gif

gray.gif

424 ms

gray_gradient.gif

gray_gradient.gif

521 ms

grad.png

grad.png

532 ms

gray.gif

gray.gif

530 ms

shadow_gray_right.gif

shadow_gray_right.gif

519 ms

gray_shadow.gif

gray_shadow.gif

517 ms

dark_gray_gradient.gif

dark_gray_gradient.gif

519 ms

shadow_gray_bottom.gif

shadow_gray_bottom.gif

612 ms

list-arrow-blue.gif

list-arrow-blue.gif

616 ms

list-arrow-green.gif

list-arrow-green.gif

616 ms

list-arrow-darkred.gif

list-arrow-darkred.gif

617 ms

list-arrow-pink.gif

list-arrow-pink.gif

618 ms

CookiePolicyBar.css

CookiePolicyBar.css

111 ms

image_gallery

image_gallery

702 ms

analytics.js

analytics.js

22 ms

conversion_async.js

conversion_async.js

17 ms

64 ms

collect

collect

21 ms

collect

collect

64 ms

collect

collect

33 ms

collect

collect

26 ms

collect

collect

66 ms

collect

collect

80 ms

35 ms

AutoAuth.ashx

AutoAuth.ashx

121 ms

AutoAuth.ashx

AutoAuth.ashx

141 ms

get_file

get_file

341 ms

get_file

get_file

228 ms

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

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

wolterskluwer.pl SEO score

100

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

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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 neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Wolterskluwer.pl 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

wolterskluwer.pl

Open Graph description is not detected on the main page of Wolters Kluwer. 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: