Tools & Wizards About Us
ulekare.cz screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

ulekare.cz

Největší online lékařská poradna | uLékaře.cz

Page Load Speed

6.2 sec in total

First Response

1.2 sec

Resources Loaded

4.4 sec

Page Rendered

651 ms

ulekare.cz screenshot

About Website

Visit ulekare.cz now to see the best up-to-date Ulekare content for Czech Republic and also check out these interesting facts you probably never knew about ulekare.cz

Zeptejte se diskrétně lékaře na své zdravotní problémy nebo se objednejte k lékaři. Online, bez čekání v čekárně. 70 praktických lékařů a 250 specialistů je tu pro vás.

Visit ulekare.cz

Key Findings

We analyzed Ulekare.cz page load time and found that the first response time was 1.2 sec and then it took 5 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

ulekare.cz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value16,990 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value24.8 s

0/100

10%

Network Requests Diagram

www.ulekare.cz

1186 ms

responsive.!min.css

435 ms

jquery.min.!min.js

460 ms

md.!min.js

500 ms

jquery.viewport.!min.js

940 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 3% of them (3 requests) were addressed to the original Ulekare.cz, 57% (57 requests) were made to Img.ulekarecdn.cz and 5% (5 requests) were made to Js.ulekarecdn.cz. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Img.ulekarecdn.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 980.4 kB (53%)

Content Size

1.8 MB

After Optimization

865.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ulekare.cz main page is 1.8 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. 65% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 104.0 kB

  • Original 129.9 kB
  • After minification 111.7 kB
  • After compression 25.9 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 18.1 kB, which is 14% 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 104.0 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 11.8 kB

  • Original 431.1 kB
  • After minification 419.3 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. Ulekare images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 755.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 397.0 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 755.3 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 109.3 kB

  • Original 132.3 kB
  • After minification 130.8 kB
  • After compression 22.9 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. Ulekare.cz needs all CSS files to be minified and compressed as it can save up to 109.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (30%)

Requests Now

98

After Optimization

69

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ulekare. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.ulekare.cz

www.ulekare.cz

1186 ms

responsive.!min.css

responsive.!min.css

435 ms

jquery.min.!min.js

jquery.min.!min.js

460 ms

md.!min.js

md.!min.js

500 ms

jquery.viewport.!min.js

jquery.viewport.!min.js

940 ms

ulekare.!min.js

ulekare.!min.js

590 ms

responsive.!min.js

responsive.!min.js

504 ms

pr_css_merge.!min.css

pr_css_merge.!min.css

437 ms

satelliteLib-9563ca729decb2b064a0de8f40246944524b5e0c.js

satelliteLib-9563ca729decb2b064a0de8f40246944524b5e0c.js

220 ms

xgemius.js

xgemius.js

426 ms

conversion.js

conversion.js

18 ms

log.js

log.js

144 ms

gpt.js

gpt.js

5 ms

pubads_impl_81.js

pubads_impl_81.js

7 ms

container.html

container.html

109 ms

logo-ulekare-print.png

logo-ulekare-print.png

1226 ms

ka_tomas_sebek_mala_2-f100_90.jpg

ka_tomas_sebek_mala_2-f100_90.jpg

1223 ms

slider-arrow.png

slider-arrow.png

321 ms

zena_poradna_obrys-f55_65

zena_poradna_obrys-f55_65

330 ms

mudr_diana_barnasova-f100_90.jpg

mudr_diana_barnasova-f100_90.jpg

1200 ms

mudr_pavel_masek-f100_90.jpg

mudr_pavel_masek-f100_90.jpg

381 ms

mudr_simon_julinek-f100_90.jpg

mudr_simon_julinek-f100_90.jpg

323 ms

mudr_david_klein-f100_90.jpg

mudr_david_klein-f100_90.jpg

1222 ms

mudr_jura_mosendz3-f100_90.jpg

mudr_jura_mosendz3-f100_90.jpg

1223 ms

mudr_patrik_pecak-f100_90.jpg

mudr_patrik_pecak-f100_90.jpg

329 ms

mudr_ludvik_winkler3-f100_90.jpg

mudr_ludvik_winkler3-f100_90.jpg

370 ms

sucha_kuze-f200_130.jpg

sucha_kuze-f200_130.jpg

372 ms

srdce_21-f200_130.jpg

srdce_21-f200_130.jpg

375 ms

rucicky-f200_130.jpg

rucicky-f200_130.jpg

1197 ms

bezec_4-f200_130.jpg

bezec_4-f200_130.jpg

1209 ms

pacient_v_posteli-f200_130.jpg

pacient_v_posteli-f200_130.jpg

1210 ms

zima_ryma-f200_130.jpg

zima_ryma-f200_130.jpg

1209 ms

sucha_kuza_zena-f200_130.jpg

sucha_kuza_zena-f200_130.jpg

1224 ms

zuby_implantat-f200_130.jpg

zuby_implantat-f200_130.jpg

1224 ms

operace_chirurg_sal-f200_130.jpg

operace_chirurg_sal-f200_130.jpg

1223 ms

dobry_andel_rodina-f470_200.jpg

dobry_andel_rodina-f470_200.jpg

1225 ms

mars_pruhonice-f150_120.jpg

mars_pruhonice-f150_120.jpg

1238 ms

sucha_kuza_zena-z150x120_148_0_274_219.jpg

sucha_kuza_zena-z150x120_148_0_274_219.jpg

1223 ms

jogurt_lesni_ovoce-f150_120.jpg

jogurt_lesni_ovoce-f150_120.jpg

1236 ms

srdce_25-f150_120.jpg

srdce_25-f150_120.jpg

1224 ms

vthumb8490-f106_75.jpg

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1234 ms

vthumb8246-f106_75.jpg

vthumb8246-f106_75.jpg

1232 ms

vthumb8288-f106_75.jpg

vthumb8288-f106_75.jpg

1234 ms

vthumb8458-f106_75.jpg

vthumb8458-f106_75.jpg

1232 ms

bolest_bricha_zena_3-f150_120.jpg

bolest_bricha_zena_3-f150_120.jpg

1242 ms

lekari_skupina_usmev-f150_120.jpg

lekari_skupina_usmev-f150_120.jpg

1243 ms

snidane_smes-f150_120.jpg

snidane_smes-f150_120.jpg

1242 ms

slunce_repka-f150_120.jpg

slunce_repka-f150_120.jpg

1263 ms

bolest_bricha_zena_2-f150_120.jpg

bolest_bricha_zena_2-f150_120.jpg

1240 ms

egypt_velbloud-f150_120.jpg

egypt_velbloud-f150_120.jpg

1245 ms

paleni_zahy-f60_40.jpg

paleni_zahy-f60_40.jpg

1244 ms

spanek2-f60_40.jpg

spanek2-f60_40.jpg

1245 ms

uzivani_leku_zena-f60_40.jpg

uzivani_leku_zena-f60_40.jpg

1243 ms

lupenka_loket-f60_40.jpg

lupenka_loket-f60_40.jpg

1243 ms

all.js

all.js

88 ms

bgli.gif

bgli.gif

68 ms

sprite.png

sprite.png

1117 ms

panak.png

panak.png

1125 ms

ads

ads

273 ms

1044 ms

www.ulekare.cz.js

www.ulekare.cz.js

1058 ms

xd_arbiter.php

xd_arbiter.php

46 ms

xd_arbiter.php

xd_arbiter.php

156 ms

fpdata.js

fpdata.js

132 ms

dc.js

dc.js

130 ms

analytics.js

analytics.js

130 ms

166 ms

lsget.html

lsget.html

1002 ms

ping

ping

922 ms

musli-f60_40.jpg

musli-f60_40.jpg

936 ms

streva-f60_40.jpg

streva-f60_40.jpg

933 ms

collect

collect

32 ms

collect

collect

890 ms

__utm.gif

__utm.gif

844 ms

889 ms

vthumb8391-f60_40.jpg

vthumb8391-f60_40.jpg

915 ms

vthumb8442-f60_40.jpg

vthumb8442-f60_40.jpg

886 ms

vthumb8344-f60_40.jpg

vthumb8344-f60_40.jpg

901 ms

vthumb8454-f60_40.jpg

vthumb8454-f60_40.jpg

876 ms

7004239626355028064

7004239626355028064

864 ms

osd.js

osd.js

832 ms

vthumb8243-f60_40.jpg

vthumb8243-f60_40.jpg

65 ms

vthumb8341-f60_40.jpg

vthumb8341-f60_40.jpg

66 ms

Cholesterol_artery-f90_60.jpg

Cholesterol_artery-f90_60.jpg

52 ms

gynekologicke_vysetreni-f90_60.jpg

gynekologicke_vysetreni-f90_60.jpg

57 ms

nespavost_budik-f90_60.jpg

nespavost_budik-f90_60.jpg

50 ms

turistika_2-f90_60.jpg

turistika_2-f90_60.jpg

59 ms

bakterie-f90_60.jpg

bakterie-f90_60.jpg

49 ms

start-f90_60.jpg

start-f90_60.jpg

46 ms

srdce_21-f90_60.jpg

srdce_21-f90_60.jpg

47 ms

turistika_3-f90_60.jpg

turistika_3-f90_60.jpg

48 ms

hlava_bolest_2-f90_60.jpg

hlava_bolest_2-f90_60.jpg

47 ms

cviceni_fit_ball-f90_60.jpg

cviceni_fit_ball-f90_60.jpg

555 ms

turistika_1-f90_60.jpg

turistika_1-f90_60.jpg

101 ms

turistika_4-f90_60.jpg

turistika_4-f90_60.jpg

66 ms

mereni_tlaku_zena-x150_107.jpg

mereni_tlaku_zena-x150_107.jpg

44 ms

rexdot.js

rexdot.js

109 ms

satellite-54f486af3366370b5a180100.js

satellite-54f486af3366370b5a180100.js

80 ms

chartbeat.js

chartbeat.js

5 ms

ping

ping

6 ms

Accessibility Review

ulekare.cz accessibility score

67

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

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

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

Links do not have a discernible name

Best Practices

ulekare.cz 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

Page has valid source maps

SEO Factors

ulekare.cz 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

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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ulekare.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Ulekare.cz 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

ulekare.cz

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