Tools & Wizards About Us
symptomy.cz screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

symptomy.cz

Příznaky nemocí

Page Load Speed

23.3 sec in total

First Response

670 ms

Resources Loaded

22.4 sec

Page Rendered

323 ms

symptomy.cz screenshot

About Website

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

příznaky, projevy, prevence a léčba nemocí

Visit symptomy.cz

Key Findings

We analyzed Symptomy.cz page load time and found that the first response time was 670 ms and then it took 22.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

symptomy.cz performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value3,040 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.511

15/100

15%

TTI (Time to Interactive)

Value17.9 s

3/100

10%

Network Requests Diagram

symptomy.cz

670 ms

www.symptomy.cz

814 ms

www.symptomy.cz

631 ms

bootstrap.min.css

113 ms

content.css

220 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 40% of them (35 requests) were addressed to the original Symptomy.cz, 10% (9 requests) were made to Tpc.googlesyndication.com and 10% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.1 kB (13%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Symptomy.cz main page is 1.6 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. 70% of websites need less resources to load. Images take 817.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 38.5 kB

  • Original 49.0 kB
  • After minification 45.6 kB
  • After compression 10.5 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 38.5 kB or 79% of the original size.

Image Optimization

-14%

Potential reduce by 118.1 kB

  • Original 817.9 kB
  • After minification 699.8 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, Symptomy needs image optimization as it can save up to 118.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 57.2 kB

  • Original 743.8 kB
  • After minification 743.8 kB
  • After compression 686.6 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

-5%

Potential reduce by 1.3 kB

  • Original 27.8 kB
  • After minification 27.8 kB
  • After compression 26.5 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. Symptomy.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 41 (58%)

Requests Now

71

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Symptomy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

symptomy.cz

symptomy.cz

670 ms

www.symptomy.cz

www.symptomy.cz

814 ms

www.symptomy.cz

www.symptomy.cz

631 ms

bootstrap.min.css

bootstrap.min.css

113 ms

content.css

content.css

220 ms

layout.css

layout.css

314 ms

typeahead.css

typeahead.css

315 ms

jquery.fancybox.css

jquery.fancybox.css

315 ms

jquery.share.css

jquery.share.css

327 ms

css

css

36 ms

wfmi-style.css

wfmi-style.css

331 ms

adsbygoogle.js

adsbygoogle.js

162 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

357 ms

bootstrap.min.js

bootstrap.min.js

469 ms

typeahead.bundle.min.js

typeahead.bundle.min.js

468 ms

jquery.share.js

jquery.share.js

469 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

469 ms

main.original2.js

main.original2.js

469 ms

jquery.isotope.min.js

jquery.isotope.min.js

470 ms

cookies.js

cookies.js

999 ms

ssp.js

ssp.js

835 ms

analytics.js

analytics.js

135 ms

dot.asp

dot.asp

19905 ms

background.png

background.png

306 ms

logo-symptomy2.png

logo-symptomy2.png

200 ms

balonkova-angioplastika-postup.jpg

balonkova-angioplastika-postup.jpg

544 ms

vitaminy-b.jpg

vitaminy-b.jpg

638 ms

chlorid-sodny-sul.jpg

chlorid-sodny-sul.jpg

502 ms

sodik.jpg

sodik.jpg

394 ms

symptomy-priznaky-nemoci.jpg

symptomy-priznaky-nemoci.jpg

748 ms

symptomy-nemoci.jpg

symptomy-nemoci.jpg

677 ms

symptomy-anatomie-lidskeho-tela.jpg

symptomy-anatomie-lidskeho-tela.jpg

611 ms

symptomy-seznam-diagnoz.jpg

symptomy-seznam-diagnoz.jpg

840 ms

symptomy-ockovani.jpg

symptomy-ockovani.jpg

863 ms

symptomy-lekarske-obory.jpg

symptomy-lekarske-obory.jpg

830 ms

logo-domaci-med.png

logo-domaci-med.png

873 ms

banner-pletu.jpg

banner-pletu.jpg

1085 ms

logo-uzis.png

logo-uzis.png

853 ms

logo-nlk.png

logo-nlk.png

936 ms

show_ads_impl.js

show_ads_impl.js

400 ms

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57 ms

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68 ms

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80 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

86 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

812 ms

webfont-medical-icons.ttf

webfont-medical-icons.ttf

852 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWV4exQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWV4exQ.ttf

95 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjWV4exQ.ttf

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96 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjWV4exQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjWV4exQ.ttf

96 ms

collect

collect

39 ms

collect

collect

72 ms

js

js

87 ms

script.js

script.js

493 ms

zrt_lookup.html

zrt_lookup.html

35 ms

ads

ads

477 ms

ads

ads

455 ms

script-ssp.js

script-ssp.js

832 ms

nessie_icon_tiamat_white.png

nessie_icon_tiamat_white.png

111 ms

data=woXh-R2NY0aJQxvXBo330WSh6e7ACO0H8cMCo3Stu75h4q8cjugCJfq6kWICZr4Ms5kM_1u-yDbwlhIRFSqSGw

data=woXh-R2NY0aJQxvXBo330WSh6e7ACO0H8cMCo3Stu75h4q8cjugCJfq6kWICZr4Ms5kM_1u-yDbwlhIRFSqSGw

253 ms

load_preloaded_resource.js

load_preloaded_resource.js

116 ms

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13296290237044860622

229 ms

abg_lite.js

abg_lite.js

114 ms

window_focus.js

window_focus.js

114 ms

qs_click_protection.js

qs_click_protection.js

113 ms

ufs_web_display.js

ufs_web_display.js

98 ms

188a63c500db6a3aa7c42aa7d4186e28.js

188a63c500db6a3aa7c42aa7d4186e28.js

226 ms

icon.png

icon.png

96 ms

reactive_library.js

reactive_library.js

225 ms

ca-pub-1146332755802964

ca-pub-1146332755802964

248 ms

css

css

34 ms

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7 ms

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4 ms

activeview

activeview

175 ms

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2My52fldwtzTNoB6X1LAnUZEmq2oChog7L4rBr65m8Q.js

43 ms

ads

ads

224 ms

ads

ads

250 ms

ads

ads

219 ms

data=Yq0Z8-lf6OQIcImszWwk3Yix1lE6oxgmZ5Bn6icmUHvSo9K5imeJOVcrfQd1tvWxP-ke6QiklraGTASmepl5gAk

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928 ms

feedback_grey600_24dp.png

feedback_grey600_24dp.png

14 ms

fullscreen_api_adapter.js

fullscreen_api_adapter.js

46 ms

interstitial_ad_frame.js

interstitial_ad_frame.js

46 ms

settings_grey600_24dp.png

settings_grey600_24dp.png

49 ms

dvbs_src.js

dvbs_src.js

52 ms

m_js_controller.js

m_js_controller.js

42 ms

dvbs_src_internal128.js

dvbs_src_internal128.js

7 ms

verify.js

verify.js

150 ms

globalpassback_728x90.gif

globalpassback_728x90.gif

59 ms

activeview

activeview

62 ms

Accessibility Review

symptomy.cz accessibility score

98

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.

Best Practices

symptomy.cz 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

symptomy.cz SEO score

92

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

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 Symptomy.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 Symptomy.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

symptomy.cz

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