Tools & Wizards About Us
kursy24h.pl screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

kursy24h.pl

Kursy, szkolenia zawodowe, on-line - poznaj oferty szkoleniowe. - kursy24h.pl

Page Load Speed

4.8 sec in total

First Response

1.1 sec

Resources Loaded

3.4 sec

Page Rendered

295 ms

kursy24h.pl screenshot

About Website

Click here to check amazing Kursy 24h content. Otherwise, check out these important facts you probably never knew about kursy24h.pl

Kursy, szkolenia dla Ciebie. Szkolenia zapewniająca sukces - oferty firm szkoleniowych. Znajdź kurs w bazie ofert kursów i szkoleń.

Visit kursy24h.pl

Key Findings

We analyzed Kursy24h.pl page load time and found that the first response time was 1.1 sec and then it took 3.7 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

kursy24h.pl performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

kursy24h.pl

1146 ms

www.kursy24h.pl

647 ms

reset.css

190 ms

stylekursy.css

197 ms

jquery-ui-1.8.custom.css

192 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 88% of them (82 requests) were addressed to the original Kursy24h.pl, 3% (3 requests) were made to Googleads.g.doubleclick.net and 2% (2 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Kursy24h.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 293.0 kB (23%)

Content Size

1.3 MB

After Optimization

979.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kursy24h.pl main page is 1.3 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. 60% of websites need less resources to load. Images take 773.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 87.1 kB

  • Original 108.8 kB
  • After minification 101.1 kB
  • After compression 21.7 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 87.1 kB or 80% of the original size.

Image Optimization

-25%

Potential reduce by 195.5 kB

  • Original 773.7 kB
  • After minification 578.2 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. Obviously, Kursy 24h needs image optimization as it can save up to 195.5 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 6.6 kB

  • Original 372.5 kB
  • After minification 372.4 kB
  • After compression 365.9 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

-22%

Potential reduce by 3.8 kB

  • Original 17.5 kB
  • After minification 17.5 kB
  • After compression 13.7 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. Kursy24h.pl needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (36%)

Requests Now

91

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kursy 24h. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kursy24h.pl

kursy24h.pl

1146 ms

www.kursy24h.pl

www.kursy24h.pl

647 ms

reset.css

reset.css

190 ms

stylekursy.css

stylekursy.css

197 ms

jquery-ui-1.8.custom.css

jquery-ui-1.8.custom.css

192 ms

jquery.qtip.css

jquery.qtip.css

195 ms

slider.css

slider.css

196 ms

jquery-1.6.4.min.js

jquery-1.6.4.min.js

291 ms

jquery-ui-1.8.custom.min.js

jquery-ui-1.8.custom.min.js

389 ms

jquery.pikachoose.js

jquery.pikachoose.js

288 ms

jquery.qtip.min.js

jquery.qtip.min.js

289 ms

jquery.countdown.js

jquery.countdown.js

290 ms

glowna.js

glowna.js

290 ms

jquery.watermarkinput.js

jquery.watermarkinput.js

382 ms

jquery.tagcloud.js

jquery.tagcloud.js

384 ms

jquery.equal.js

jquery.equal.js

385 ms

datepicker.js

datepicker.js

385 ms

ui.datepicker-pl.js

ui.datepicker-pl.js

385 ms

tabs.js

tabs.js

477 ms

google_service.js

google_service.js

10 ms

adsbygoogle.js

adsbygoogle.js

99 ms

all.js

all.js

15 ms

pfr2-baner.jpg

pfr2-baner.jpg

581 ms

top1_bg_kursy.gif

top1_bg_kursy.gif

105 ms

top1_kursy.jpg

top1_kursy.jpg

210 ms

btn_zaloguj_kursy.png

btn_zaloguj_kursy.png

106 ms

promo_thumb_1688369567salaszkoleniowawroclawbrowar55_JQ1.jpg

promo_thumb_1688369567salaszkoleniowawroclawbrowar55_JQ1.jpg

211 ms

promo_thumb_1687976430certyfikacja_ipc_specjalista1_5Dl.jpg

promo_thumb_1687976430certyfikacja_ipc_specjalista1_5Dl.jpg

209 ms

promo_thumb_1684996723kurscncakademiadlaprzemyslu66_U4l.jpg

promo_thumb_1684996723kurscncakademiadlaprzemyslu66_U4l.jpg

209 ms

promo_thumb_1710411417szkoleniazkompetencjimiekkich2bb_x7F.jpg

promo_thumb_1710411417szkoleniazkompetencjimiekkich2bb_x7F.jpg

211 ms

konspekt24.jpg

konspekt24.jpg

211 ms

cropped-logo-listki.png

cropped-logo-listki.png

284 ms

HILLWAY_szkolenia_logo_.png

HILLWAY_szkolenia_logo_.png

285 ms

logo_mniejsze.jpg

logo_mniejsze.jpg

286 ms

AVENHANSEN_logo_2017_FB__kwadrat_bialy.JPG

AVENHANSEN_logo_2017_FB__kwadrat_bialy.JPG

287 ms

LOGO.png

LOGO.png

288 ms

logo1.png

logo1.png

296 ms

logo_www.wstronerozwoju.com.jpg

logo_www.wstronerozwoju.com.jpg

379 ms

budynekhr_zakopane_1_W8N.jpg

budynekhr_zakopane_1_W8N.jpg

380 ms

fotoramio2_0Lc.jpg

fotoramio2_0Lc.jpg

380 ms

foto_53859f4f03cb7fabryka_welny_obiekt_mini_LI9.jpg

foto_53859f4f03cb7fabryka_welny_obiekt_mini_LI9.jpg

381 ms

budynek_z_zewnatrz_miniatura_Js0.jpg

budynek_z_zewnatrz_miniatura_Js0.jpg

383 ms

foto_56c59f2386dfbzdjecie_z_lotu_ptaka_h0v.jpg

foto_56c59f2386dfbzdjecie_z_lotu_ptaka_h0v.jpg

487 ms

amber_obiekt_mini_5aQ.jpg

amber_obiekt_mini_5aQ.jpg

473 ms

fotoramio1_9qE.jpg

fotoramio1_9qE.jpg

473 ms

ibis_styles_wroclaw_centrum_obiekt_mini_W9a.jpg

ibis_styles_wroclaw_centrum_obiekt_mini_W9a.jpg

474 ms

foto_63f342e5ec668fotoramio3_3wm.jpg

foto_63f342e5ec668fotoramio3_3wm.jpg

476 ms

szkolenie_otwarte-trans.png

szkolenie_otwarte-trans.png

478 ms

szkolenie_e-learning-trans.png

szkolenie_e-learning-trans.png

576 ms

thumb_1716489655miejsce_biznesowe_22_oy3.jpg

thumb_1716489655miejsce_biznesowe_22_oy3.jpg

576 ms

thumb_1715711719apartamentydlafirmwkatowicach1_4Aj.jpg

thumb_1715711719apartamentydlafirmwkatowicach1_4Aj.jpg

576 ms

thumb_1715710120akademia_nauk_stosowanych2_m0e.jpg

thumb_1715710120akademia_nauk_stosowanych2_m0e.jpg

577 ms

thumb_1715623824czyoplacasieszkoliczmetodprzedluzaniawlosow21_3Ad.jpg

thumb_1715623824czyoplacasieszkoliczmetodprzedluzaniawlosow21_3Ad.jpg

597 ms

thumb_1714996593szkoleniekam1ezgifcomwebptojpgconverter_M8o.jpg

thumb_1714996593szkoleniekam1ezgifcomwebptojpgconverter_M8o.jpg

597 ms

zasugeruj_kurs.png

zasugeruj_kurs.png

661 ms

newsletter_btn.png

newsletter_btn.png

662 ms

ADN-baner-szkolenia.jpg

ADN-baner-szkolenia.jpg

663 ms

stopka_separator.png

stopka_separator.png

667 ms

wyszukiwarka-bg-szkol.png

wyszukiwarka-bg-szkol.png

652 ms

ajax-loader.gif

ajax-loader.gif

578 ms

show_ads_impl.js

show_ads_impl.js

435 ms

search-separator.gif

search-separator.gif

653 ms

ga.js

ga.js

51 ms

all.js

all.js

50 ms

__utm.gif

__utm.gif

13 ms

otwarte.gif

otwarte.gif

554 ms

efs.gif

efs.gif

554 ms

darmowe.gif

darmowe.gif

560 ms

zamkniete.gif

zamkniete.gif

564 ms

e-learning.gif

e-learning.gif

568 ms

promocje.gif

promocje.gif

639 ms

btn_szukaj_big-trans.png

btn_szukaj_big-trans.png

573 ms

question-trans.png

question-trans.png

573 ms

box_polowa.jpg

box_polowa.jpg

579 ms

promo-trans.png

promo-trans.png

583 ms

man-trans.png

man-trans.png

585 ms

biret-trans.png

biret-trans.png

665 ms

box_caly.jpg

box_caly.jpg

574 ms

overlay-trans.png

overlay-trans.png

573 ms

btn_wiecej-trans.png

btn_wiecej-trans.png

579 ms

tabela_separator_blue.gif

tabela_separator_blue.gif

584 ms

promo_3-trans.png

promo_3-trans.png

586 ms

menu_arrow.png

menu_arrow.png

573 ms

stopka_bg.gif

stopka_bg.gif

574 ms

ui-bg_inset-hard_100_fcfdfd_1x100.png

ui-bg_inset-hard_100_fcfdfd_1x100.png

580 ms

pause.png

pause.png

674 ms

prev.png

prev.png

582 ms

next.png

next.png

673 ms

search-hover.gif

search-hover.gif

564 ms

loading.gif

loading.gif

565 ms

zrt_lookup.html

zrt_lookup.html

27 ms

ads

ads

339 ms

ads

ads

214 ms

Accessibility Review

kursy24h.pl accessibility score

62

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.

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 IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

kursy24h.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

SEO Factors

kursy24h.pl SEO score

62

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

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 Kursy24h.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 Kursy24h.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

kursy24h.pl

Open Graph description is not detected on the main page of Kursy 24h. 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: