Tools & Wizards About Us
wnt.pl screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

wnt.pl

Wydawnictwo WNT - Książki - Księgarnia PWN

Page Load Speed

3.6 sec in total

First Response

263 ms

Resources Loaded

3.1 sec

Page Rendered

246 ms

wnt.pl screenshot

About Website

Click here to check amazing WNT content. Otherwise, check out these important facts you probably never knew about wnt.pl

Wydawnictwo WNT w Księgarni Internetowej PWN. ✔️ Wszystkie książki i multimedia WNT w atrakcyjnych cenach. Sprawdź ofertę!

Visit wnt.pl

Key Findings

We analyzed Wnt.pl page load time and found that the first response time was 263 ms and then it took 3.4 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

wnt.pl performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

18/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value2,510 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.889

3/100

15%

TTI (Time to Interactive)

Value17.7 s

4/100

10%

Network Requests Diagram

wnt.pl

263 ms

WNT,w,69238788

711 ms

rwd.css

53 ms

css

45 ms

jsTag

167 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Wnt.pl, 22% (20 requests) were made to Emp-scs.img-osdw.pl and 14% (13 requests) were made to Emp0pwn0cdn0blob0prod.azureedge.net. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Emp-scs.img-osdw.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 282.6 kB (29%)

Content Size

974.0 kB

After Optimization

691.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Wnt.pl main page is 974.0 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. 65% of websites need less resources to load. Javascripts take 621.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 233.9 kB

  • Original 276.1 kB
  • After minification 248.1 kB
  • After compression 42.2 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 233.9 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 1.3 kB

  • Original 76.8 kB
  • After minification 75.4 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. WNT images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 47.3 kB

  • Original 621.1 kB
  • After minification 621.1 kB
  • After compression 573.8 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.

Requests Breakdown

Number of requests can be reduced by 42 (51%)

Requests Now

82

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WNT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

wnt.pl

wnt.pl

263 ms

WNT,w,69238788

WNT,w,69238788

711 ms

rwd.css

rwd.css

53 ms

css

css

45 ms

jsTag

jsTag

167 ms

api.js

api.js

160 ms

conversion.js

conversion.js

144 ms

jquery.min.js

jquery.min.js

149 ms

jquery-ui.min.js

jquery-ui.min.js

168 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

198 ms

jquery.hoverIntent.min.js

jquery.hoverIntent.min.js

196 ms

js.cookie.min.js

js.cookie.min.js

196 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

198 ms

bootstrap.min.js

bootstrap.min.js

204 ms

bootstrap-select.min.js

bootstrap-select.min.js

207 ms

jquery.mCustomScrollbar.min.js

jquery.mCustomScrollbar.min.js

239 ms

jquery.validate.min.js

jquery.validate.min.js

236 ms

additional-methods.min.js

additional-methods.min.js

240 ms

jquery.dotdotdot.js

jquery.dotdotdot.js

240 ms

rwdEmporium.js

rwdEmporium.js

39 ms

gtm.js

gtm.js

242 ms

fbevents.js

fbevents.js

133 ms

cmp.php

cmp.php

584 ms

cmp_en.min.js

cmp_en.min.js

461 ms

logo_KI_PWN_2023-06.png

logo_KI_PWN_2023-06.png

155 ms

757562006o.webp

757562006o.webp

550 ms

site24x7rum-min.js

site24x7rum-min.js

178 ms

656207890o.webp

656207890o.webp

919 ms

655417366o.webp

655417366o.webp

932 ms

619839527o.webp

619839527o.webp

920 ms

726382272o.webp

726382272o.webp

942 ms

661047369o.webp

661047369o.webp

942 ms

766930999o.webp

766930999o.webp

957 ms

761125925o.webp

761125925o.webp

1302 ms

688602133o.webp

688602133o.webp

1307 ms

688602118o.webp

688602118o.webp

1314 ms

105530625o.webp

105530625o.webp

943 ms

784686083o.webp

784686083o.webp

1382 ms

677541902o.webp

677541902o.webp

1347 ms

385384552o.webp

385384552o.webp

1377 ms

765846550o.webp

765846550o.webp

1680 ms

746502321o.webp

746502321o.webp

1678 ms

725805201o.webp

725805201o.webp

1704 ms

442171476o.webp

442171476o.webp

1715 ms

747776093o.webp

747776093o.webp

1393 ms

731758593o.webp

731758593o.webp

1401 ms

kaf_podreczniki.jpg

kaf_podreczniki.jpg

175 ms

szczegolnie_polecamy_01.jpg

szczegolnie_polecamy_01.jpg

213 ms

kafel_CUP_03.jpg

kafel_CUP_03.jpg

214 ms

pwn_fb_50x50.png

pwn_fb_50x50.png

217 ms

pwn_ig_50x50.png

pwn_ig_50x50.png

215 ms

pwn_li_50x50.png

pwn_li_50x50.png

215 ms

pwn_tw_50x50.png

pwn_tw_50x50.png

214 ms

logo_stopka_km_pzwl.png

logo_stopka_km_pzwl.png

216 ms

logo_stopka_ibuk

logo_stopka_ibuk

217 ms

logo_stopka_biblionetka2.png

logo_stopka_biblionetka2.png

218 ms

publikuj_z_pwn_v2.png

publikuj_z_pwn_v2.png

219 ms

pwn_newsletter_icon.png

pwn_newsletter_icon.png

218 ms

spritesRWD_v5.png

spritesRWD_v5.png

25 ms

cart-add-to-ico.svg

cart-add-to-ico.svg

23 ms

OpenSans.woff

OpenSans.woff

42 ms

x9lg0jj90.js

x9lg0jj90.js

917 ms

recaptcha__en.js

recaptcha__en.js

191 ms

error

error

682 ms

OpenSansLight.woff

OpenSansLight.woff

44 ms

OpenSansBold.woff

OpenSansBold.woff

39 ms

OpenSansSemiBold2.woff

OpenSansSemiBold2.woff

41 ms

450f686f531e.js

450f686f531e.js

149 ms

js

js

163 ms

6752.js

6752.js

266 ms

analytics.js

analytics.js

124 ms

destination

destination

150 ms

bat.js

bat.js

133 ms

cmp.php

cmp.php

316 ms

cmp_final.min.js

cmp_final.min.js

144 ms

ksiegarnia.pwn.pl.json

ksiegarnia.pwn.pl.json

99 ms

bV8xLndfNTYxMjAucl9HRFBSLmxfZW4uZF8yMjM4My54XzM1LnYucC50XzIyMzgzLnh0XzM1.js

bV8xLndfNTYxMjAucl9HRFBSLmxfZW4uZF8yMjM4My54XzM1LnYucC50XzIyMzgzLnh0XzM1.js

13 ms

crossdomain.html

crossdomain.html

78 ms

collect

collect

148 ms

133 ms

e5507cc921bdb5250cc380247d78c91a.js

e5507cc921bdb5250cc380247d78c91a.js

89 ms

recall_shield2.svg

recall_shield2.svg

67 ms

431 ms

logo1670324672x6029.gif

logo1670324672x6029.gif

21 ms

cmplogo.svg

cmplogo.svg

34 ms

en.gif

en.gif

36 ms

404 ms

28 ms

collect

collect

26 ms

ga-audiences

ga-audiences

176 ms

Accessibility Review

wnt.pl accessibility score

82

Accessibility Issues

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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.

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

wnt.pl 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

Page has valid source maps

SEO Factors

wnt.pl SEO score

83

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

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

    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 Wnt.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 Wnt.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

wnt.pl

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