Tools & Wizards About Us
pzwl.pl screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    50% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

pzwl.pl

Księgarnia Medyczna PZWL

Page Load Speed

5.8 sec in total

First Response

950 ms

Resources Loaded

4.6 sec

Page Rendered

272 ms

pzwl.pl screenshot

About Website

Click here to check amazing PZWL content for Poland. Otherwise, check out these important facts you probably never knew about pzwl.pl

Bestellerowe książki medyczne dla lekarzy, studentów medycyny i nie tylko ✔️ Zamów online z dostawą do domu lub odbierz stacjonarnie!

Visit pzwl.pl

Key Findings

We analyzed Pzwl.pl page load time and found that the first response time was 950 ms and then it took 4.9 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

pzwl.pl performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value1,460 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

www.wydawnictwopzwl.pl

950 ms

css

24 ms

css

38 ms

jquery.qtip.min.css

224 ms

default.css

225 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Pzwl.pl, 15% (21 requests) were made to Static.xx.fbcdn.net and 9% (13 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Wydawnictwopzwl.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 739.4 kB (14%)

Content Size

5.3 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pzwl.pl main page is 5.3 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. 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 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 89.2 kB

  • Original 107.0 kB
  • After minification 85.8 kB
  • After compression 17.8 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 21.2 kB, which is 20% 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 89.2 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 379.0 kB

  • Original 4.8 MB
  • After minification 4.4 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. PZWL images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 138.4 kB

  • Original 238.7 kB
  • After minification 221.2 kB
  • After compression 100.3 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 138.4 kB or 58% of the original size.

CSS Optimization

-84%

Potential reduce by 132.8 kB

  • Original 157.9 kB
  • After minification 136.4 kB
  • After compression 25.1 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. Pzwl.pl needs all CSS files to be minified and compressed as it can save up to 132.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (36%)

Requests Now

137

After Optimization

88

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PZWL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.wydawnictwopzwl.pl

www.wydawnictwopzwl.pl

950 ms

css

css

24 ms

css

css

38 ms

jquery.qtip.min.css

jquery.qtip.min.css

224 ms

default.css

default.css

225 ms

pzwl.css

pzwl.css

666 ms

colorbox.css

colorbox.css

222 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

555 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

228 ms

jquery.scrollTo.js

jquery.scrollTo.js

333 ms

jquery.qtip.min.js

jquery.qtip.min.js

448 ms

jquery.cycle.all.js

jquery.cycle.all.js

444 ms

sha1.js

sha1.js

341 ms

act_cms_utf.js

act_cms_utf.js

453 ms

nursing.js

nursing.js

589 ms

conversion.js

conversion.js

13 ms

logo2_1.png

logo2_1.png

144 ms

ratownictwo_750x200_22.png

ratownictwo_750x200_22.png

567 ms

bestsellery_akademickie_750x200_22.jpg

bestsellery_akademickie_750x200_22.jpg

242 ms

chirurgia_okladki_750x200_22.png

chirurgia_okladki_750x200_22.png

566 ms

kkp_750x200.jpg

kkp_750x200.jpg

349 ms

poloznictwo_750x200_marzec_1.png

poloznictwo_750x200_marzec_1.png

577 ms

weterynaria_750x200.png

weterynaria_750x200.png

699 ms

MEDY15083.jpg

MEDY15083.jpg

345 ms

MEDY13614.jpg

MEDY13614.jpg

575 ms

MEDY13032.jpg

MEDY13032.jpg

575 ms

MEDY14403.jpg

MEDY14403.jpg

582 ms

MEDY15410.jpg

MEDY15410.jpg

581 ms

KMPL16002.jpg

KMPL16002.jpg

581 ms

free-shipment-list.png

free-shipment-list.png

580 ms

MEDY15340.jpg

MEDY15340.jpg

583 ms

MEDY15440.jpg

MEDY15440.jpg

695 ms

MEDY14423.jpg

MEDY14423.jpg

696 ms

MEDY14535.jpg

MEDY14535.jpg

693 ms

MEDY15439.jpg

MEDY15439.jpg

693 ms

MEDY15083.jpg

MEDY15083.jpg

697 ms

MEDY15347.jpg

MEDY15347.jpg

806 ms

KMPL15012.jpg

KMPL15012.jpg

803 ms

MEDY15402.jpg

MEDY15402.jpg

803 ms

MEDY15412.jpg

MEDY15412.jpg

805 ms

MEDY15062.jpg

MEDY15062.jpg

807 ms

MEDY15414.jpg

MEDY15414.jpg

809 ms

prevbooks2.png

prevbooks2.png

914 ms

nextbooks2.png

nextbooks2.png

918 ms

MEDY15211.jpg

MEDY15211.jpg

915 ms

MEDY15414.jpg

MEDY15414.jpg

917 ms

MEDY15409.jpg

MEDY15409.jpg

919 ms

MEDY15372.jpg

MEDY15372.jpg

923 ms

Bez-tytu%C5%82u4.png

Bez-tytu%C5%82u4.png

1025 ms

87131355.jpg

87131355.jpg

1027 ms

beztytulu.jpg

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1249 ms

all.js

all.js

10 ms

analizy_6_okladka_18_cm.jpg

analizy_6_okladka_18_cm.jpg

1464 ms

UyYrYy3ltEffJV9QueSi4SKcWxPzpBdmMhLdnPeJyd4.woff

UyYrYy3ltEffJV9QueSi4SKcWxPzpBdmMhLdnPeJyd4.woff

73 ms

gk5FxslNkTTHtojXrkp-xOV5Bi3AvzDkLbMkkmS9JR4.woff

gk5FxslNkTTHtojXrkp-xOV5Bi3AvzDkLbMkkmS9JR4.woff

115 ms

gk5FxslNkTTHtojXrkp-xICtgNwyJYHzDAjKtI5LRRA.woff

gk5FxslNkTTHtojXrkp-xICtgNwyJYHzDAjKtI5LRRA.woff

153 ms

dc.js

dc.js

100 ms

133 ms

144 ms

ping

ping

116 ms

xd_arbiter.php

xd_arbiter.php

111 ms

xd_arbiter.php

xd_arbiter.php

118 ms

likebox.php

likebox.php

250 ms

zanaliza_przypadkow_gine_1-2016_1.png

zanaliza_przypadkow_gine_1-2016_1.png

1197 ms

__utm.gif

__utm.gif

57 ms

52 ms

like.php

like.php

44 ms

antykoncepcja.jpg

antykoncepcja.jpg

1027 ms

ga-audiences

ga-audiences

19 ms

K-jGFP6r5sy.js

K-jGFP6r5sy.js

24 ms

LVx-xkvaJ0b.png

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12 ms

infekcjejpg.jpg

infekcjejpg.jpg

1355 ms

dl_4-2015_i_okladka_zielona.jpg

dl_4-2015_i_okladka_zielona.jpg

795 ms

410ucuAGgaJ.css

410ucuAGgaJ.css

8 ms

pERLJfhzcxv.css

pERLJfhzcxv.css

9 ms

Czh0gDTFcBt.css

Czh0gDTFcBt.css

13 ms

Ek6lpayKeeB.css

Ek6lpayKeeB.css

21 ms

EoarYgA68t4.css

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14 ms

FAHeNGXgPup.js

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29 ms

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28 ms

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56 ms

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57 ms

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57 ms

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59 ms

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62 ms

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66 ms

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61 ms

12814347_1257057967643039_3789125421071571695_n.jpg

12814347_1257057967643039_3789125421071571695_n.jpg

99 ms

safe_image.php

safe_image.php

95 ms

581845_755012311180943_699379281_n.jpg

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29 ms

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31 ms

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92 ms

1069936_765530800137428_1407188335_n.jpg

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31 ms

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30 ms

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33 ms

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31 ms

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35 ms

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32 ms

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33 ms

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31 ms

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34 ms

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24 ms

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25 ms

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24 ms

babyjuniorokladka.jpg

babyjuniorokladka.jpg

692 ms

ppreh_okladka01.jpg

ppreh_okladka01.jpg

799 ms

polozna_1-2016.png

polozna_1-2016.png

1577 ms

1-2015.jpg

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1037 ms

poradnik_pielegnacyjny_cover_screen.jpg

poradnik_pielegnacyjny_cover_screen.jpg

1453 ms

apwpediatriiproblemywiekuniemowlecego.jpg

apwpediatriiproblemywiekuniemowlecego.jpg

1024 ms

rcn_2015_okladka.jpg

rcn_2015_okladka.jpg

1232 ms

okladka_mala_zima2.jpg

okladka_mala_zima2.jpg

1139 ms

okladka_1.jpg

okladka_1.jpg

1828 ms

okladka.jpg

okladka.jpg

1454 ms

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6 ms

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2 ms

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1143 ms

nursing2.png

nursing2.png

1229 ms

forumzdrowia.png

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1260 ms

rehab-research.png

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1341 ms

zaburzenia-rytmu.png

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1382 ms

medtube.png

medtube.png

1456 ms

publikuj.png

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1349 ms

payu.png

payu.png

1344 ms

logo2.png

logo2.png

1390 ms

facebook_pion.jpg

facebook_pion.jpg

1457 ms

cart_ico_black.png

cart_ico_black.png

1463 ms

ico_nl2.png

ico_nl2.png

1459 ms

hit_bg.gif

hit_bg.gif

1353 ms

mailus.png

mailus.png

1402 ms

cart_ico_white.png

cart_ico_white.png

1455 ms

loading.gif

loading.gif

1468 ms

news-bg.gif

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1466 ms

znaczek_x.png

znaczek_x.png

1461 ms

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1405 ms

border1.png

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1455 ms

border2.png

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1354 ms

loading.gif

loading.gif

1246 ms

ico-prev.gif

ico-prev.gif

1242 ms

ico-next.gif

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1256 ms

cs-1.gif

cs-1.gif

1187 ms

cs-0.gif

cs-0.gif

1229 ms

pzwl_print.css

pzwl_print.css

114 ms

Accessibility Review

pzwl.pl accessibility score

81

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.

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

<frame> or <iframe> elements do not have a title

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

pzwl.pl best practices score

67

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

pzwl.pl SEO score

82

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pzwl.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 Pzwl.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

pzwl.pl

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