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czelej.com.pl screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

czelej.com.pl

Strona główna - Wydawnictwo Czelej

Page Load Speed

8 sec in total

First Response

622 ms

Resources Loaded

5.5 sec

Page Rendered

1.9 sec

czelej.com.pl screenshot

About Website

Click here to check amazing Czelej Com content. Otherwise, check out these important facts you probably never knew about czelej.com.pl

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Key Findings

We analyzed Czelej.com.pl page load time and found that the first response time was 622 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

czelej.com.pl performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value22.9 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value2,710 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.388

26/100

15%

TTI (Time to Interactive)

Value30.1 s

0/100

10%

Network Requests Diagram

czelej.com.pl

622 ms

gtm.js

102 ms

style.css

329 ms

frontend.css

448 ms

main.5afc042e.css

688 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 72% of them (71 requests) were addressed to the original Czelej.com.pl, 5% (5 requests) were made to Google.com and 5% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Czelej.com.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (11%)

Content Size

10.5 MB

After Optimization

9.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Czelej.com.pl main page is 10.5 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 9.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 135.2 kB

  • Original 159.2 kB
  • After minification 134.0 kB
  • After compression 24.0 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 25.3 kB, which is 16% 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 135.2 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 982.2 kB

  • Original 9.6 MB
  • After minification 8.6 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. Czelej Com images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 16.3 kB

  • Original 607.6 kB
  • After minification 607.6 kB
  • After compression 591.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 1.0 kB

  • Original 102.6 kB
  • After minification 102.6 kB
  • After compression 101.6 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. Czelej.com.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (45%)

Requests Now

85

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Czelej Com. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

czelej.com.pl

czelej.com.pl

622 ms

gtm.js

gtm.js

102 ms

style.css

style.css

329 ms

frontend.css

frontend.css

448 ms

main.5afc042e.css

main.5afc042e.css

688 ms

awdr_style.css

awdr_style.css

449 ms

jquery.js

jquery.js

708 ms

jquery-migrate.js

jquery-migrate.js

450 ms

jquery.blockUI.js

jquery.blockUI.js

450 ms

add-to-cart.js

add-to-cart.js

564 ms

js.cookie.js

js.cookie.js

565 ms

woocommerce.js

woocommerce.js

569 ms

api.js

api.js

42 ms

wc-blocks.css

wc-blocks.css

441 ms

sourcebuster.js

sourcebuster.js

558 ms

order-attribution.js

order-attribution.js

556 ms

site_main.js

site_main.js

579 ms

awdr-dynamic-price.js

awdr-dynamic-price.js

579 ms

gtm4wp-contact-form-7-tracker.js

gtm4wp-contact-form-7-tracker.js

715 ms

gtm4wp-ecommerce-generic.js

gtm4wp-ecommerce-generic.js

716 ms

gtm4wp-woocommerce.js

gtm4wp-woocommerce.js

715 ms

frontend.js

frontend.js

715 ms

contact-form.js

contact-form.js

714 ms

quiz-form.js

quiz-form.js

715 ms

main.dc83a258.js

main.dc83a258.js

1190 ms

awdr_pro.js

awdr_pro.js

819 ms

js

js

57 ms

analytics.js

analytics.js

31 ms

destination

destination

136 ms

hotjar-3920592.js

hotjar-3920592.js

177 ms

collect

collect

92 ms

collect

collect

75 ms

modules.404c8789d11e259a4872.js

modules.404c8789d11e259a4872.js

15 ms

ga-audiences

ga-audiences

62 ms

recaptcha__en.js

recaptcha__en.js

131 ms

logo.svg

logo.svg

203 ms

loader.svg

loader.svg

197 ms

home-slide-bg-main-1.png

home-slide-bg-main-1.png

1054 ms

home-slide-bg-1.png

home-slide-bg-1.png

543 ms

Powiekszenie_wezlow_chlonnych_okladka_s1.jpg

Powiekszenie_wezlow_chlonnych_okladka_s1.jpg

2470 ms

Okeson_Leczenie_zaburzen_stawow_3ed_ok2-scaled.jpg

Okeson_Leczenie_zaburzen_stawow_3ed_ok2-scaled.jpg

762 ms

Kluczowe_zasady_leczenia_orto_Okl.jpg

Kluczowe_zasady_leczenia_orto_Okl.jpg

3537 ms

Gastro_dziecieca_okladka_2ed-scaled.jpg

Gastro_dziecieca_okladka_2ed-scaled.jpg

1191 ms

Ultrasonografia_okulistyczna_Atlas_oklejka-scaled.jpg

Ultrasonografia_okulistyczna_Atlas_oklejka-scaled.jpg

1636 ms

AtlasDermoskopii_okl-1-scaled.jpg

AtlasDermoskopii_okl-1-scaled.jpg

965 ms

Atlas_tomografii_stozkowej_okl.jpg

Atlas_tomografii_stozkowej_okl.jpg

1278 ms

strefa_praktyka_banery__eLearning__ogolny__3.jpg

strefa_praktyka_banery__eLearning__ogolny__3.jpg

1188 ms

home-slide-bg-main-1.png

home-slide-bg-main-1.png

1446 ms

home-slide-bg-1.png

home-slide-bg-1.png

1341 ms

pracprocedureaesthedentistry_okl_2d_small.jpg

pracprocedureaesthedentistry_okl_2d_small.jpg

1452 ms

Ultrasonografia_okulistyczna_Atlas_oklejka-192x270.jpg

Ultrasonografia_okulistyczna_Atlas_oklejka-192x270.jpg

1460 ms

AtlasDermoskopii_3D_new_www-192x270.png

AtlasDermoskopii_3D_new_www-192x270.png

1568 ms

Gastro_dziecieca_okladka_2ed-192x270.jpg

Gastro_dziecieca_okladka_2ed-192x270.jpg

1572 ms

Kluczowe_zasady_leczenia_orto_Okl-192x270.jpg

Kluczowe_zasady_leczenia_orto_Okl-192x270.jpg

1583 ms

Atlas_tomografii_stozkowej_okl-192x270.jpg

Atlas_tomografii_stozkowej_okl-192x270.jpg

1687 ms

Okeson_Leczenie_zaburzen_stawow_3ed_ok2-192x270.jpg

Okeson_Leczenie_zaburzen_stawow_3ed_ok2-192x270.jpg

1690 ms

Nowe_metody_chorob_skory_3d-192x270.png

Nowe_metody_chorob_skory_3d-192x270.png

1699 ms

pracprocedureaesthedentistry_okl_2d_small-192x270.jpg

pracprocedureaesthedentistry_okl_2d_small-192x270.jpg

1754 ms

okladka_przypadkikliniczne_mini-192x270.jpg

okladka_przypadkikliniczne_mini-192x270.jpg

1807 ms

choroby_trzustki_okladka-192x270.jpg

choroby_trzustki_okladka-192x270.jpg

1809 ms

Dieta_w_dermatologii_WYD-2_zaktualizowane_okladka_WWW-192x270.jpg

Dieta_w_dermatologii_WYD-2_zaktualizowane_okladka_WWW-192x270.jpg

1818 ms

zaburzenia-czynnosciowe-ukladu-pokarmowego-grzegorz-wallner-adam-dziki-andrzej-dabrowski-wydawnictwo-medyczne-czelej-192x270.jpg

zaburzenia-czynnosciowe-ukladu-pokarmowego-grzegorz-wallner-adam-dziki-andrzej-dabrowski-wydawnictwo-medyczne-czelej-192x270.jpg

1872 ms

fbevents.js

fbevents.js

139 ms

sm.js

sm.js

735 ms

atlas_trichoskopii_2tomy-192x270.png

atlas_trichoskopii_2tomy-192x270.png

1842 ms

IBMPlexSansCondensed-Regular.ttf

IBMPlexSansCondensed-Regular.ttf

1851 ms

IBMPlexSansCondensed-Medium.ttf

IBMPlexSansCondensed-Medium.ttf

1870 ms

IBMPlexSans-Thin.ttf

IBMPlexSans-Thin.ttf

2055 ms

IBMPlexSansCondensed-Italic.ttf

IBMPlexSansCondensed-Italic.ttf

1969 ms

AbhayaLibre-ExtraBold.ttf

AbhayaLibre-ExtraBold.ttf

2013 ms

AbhayaLibre-Bold.ttf

AbhayaLibre-Bold.ttf

2013 ms

1769788173265985

1769788173265985

95 ms

AbhayaLibre-SemiBold.ttf

AbhayaLibre-SemiBold.ttf

2026 ms

AbhayaLibre-Medium.ttf

AbhayaLibre-Medium.ttf

2063 ms

AbhayaLibre-Regular.ttf

AbhayaLibre-Regular.ttf

2058 ms

iconfont.woff

iconfont.woff

1705 ms

anchor

anchor

48 ms

perio-impl_chir_plast_3ed_okladka-192x270.png

perio-impl_chir_plast_3ed_okladka-192x270.png

1724 ms

styles__ltr.css

styles__ltr.css

3 ms

recaptcha__en.js

recaptcha__en.js

12 ms

KI4R8KecKxlY-oh9BIL9OM2jdEU7fOU45c2sdIpmRc0.js

KI4R8KecKxlY-oh9BIL9OM2jdEU7fOU45c2sdIpmRc0.js

43 ms

webworker.js

webworker.js

40 ms

logo_48.png

logo_48.png

23 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

36 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

41 ms

KFOlCnqEu92Fr1MmYUtfBBc-.woff

KFOlCnqEu92Fr1MmYUtfBBc-.woff

44 ms

recaptcha__en.js

recaptcha__en.js

24 ms

endobg3ed-2tomy-noeditors-192x270.png

endobg3ed-2tomy-noeditors-192x270.png

1577 ms

sm_war.20de86dae41ade6a0ba1.js

sm_war.20de86dae41ade6a0ba1.js

120 ms

vc.json

vc.json

119 ms

vs

vs

232 ms

err.gif

err.gif

352 ms

4Kongres_ChiMinIn_2024_pl-300x140.jpg

4Kongres_ChiMinIn_2024_pl-300x140.jpg

1407 ms

choroby-zakazne-300x140.png

choroby-zakazne-300x140.png

1325 ms

newsletter-bg.png

newsletter-bg.png

1269 ms

newsletter-icon.svg

newsletter-icon.svg

1286 ms

footer-logo.svg

footer-logo.svg

1213 ms

plansza_informacyjna_PFR_poziom_biala.jpg

plansza_informacyjna_PFR_poziom_biala.jpg

1216 ms

mda.svg

mda.svg

1132 ms

Accessibility Review

czelej.com.pl accessibility score

83

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

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

czelej.com.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

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

czelej.com.pl SEO score

93

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

    PL

  • Encoding

    UTF-8

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

czelej.com.pl

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