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heo.cz screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

heo.cz

HEO.cz...zdraví člověka a léčba nemocí | HEO.cz

Page Load Speed

21.9 sec in total

First Response

730 ms

Resources Loaded

21.1 sec

Page Rendered

79 ms

heo.cz screenshot

About Website

Visit heo.cz now to see the best up-to-date HEO content and also check out these interesting facts you probably never knew about heo.cz

Katalog zdraví, léčby nemocí a jejich příčin. Příznaky a projevy zdravotních problémů.

Visit heo.cz

Key Findings

We analyzed Heo.cz page load time and found that the first response time was 730 ms and then it took 21.1 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

heo.cz performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

71/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

heo.cz

730 ms

styly.css

113 ms

show_ads.js

68 ms

logo.jpg

219 ms

adsbygoogle.js

123 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 67% of them (6 requests) were addressed to the original Heo.cz, 22% (2 requests) were made to Pagead2.googlesyndication.com and 11% (1 request) were made to Toplist.cz. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.4 kB (6%)

Content Size

224.9 kB

After Optimization

211.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heo.cz main page is 224.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 126.4 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 4.0 kB

  • Original 6.5 kB
  • After minification 6.5 kB
  • After compression 2.5 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 4.0 kB or 62% of the original size.

Image Optimization

-0%

Potential reduce by 52 B

  • Original 126.4 kB
  • After minification 126.3 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. HEO images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 30 B

  • Original 80.8 kB
  • After minification 80.8 kB
  • After compression 80.8 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

-83%

Potential reduce by 9.2 kB

  • Original 11.1 kB
  • After minification 9.5 kB
  • After compression 1.9 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. Heo.cz needs all CSS files to be minified and compressed as it can save up to 9.2 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HEO. According to our analytics all requests are already optimized.

Network Requests Diagram

heo.cz

heo.cz

730 ms

styly.css

styly.css

113 ms

show_ads.js

show_ads.js

68 ms

logo.jpg

logo.jpg

219 ms

adsbygoogle.js

adsbygoogle.js

123 ms

hlavicka.jpg

hlavicka.jpg

438 ms

centr.jpg

centr.jpg

216 ms

paticka.jpg

paticka.jpg

431 ms

dot.asp

dot.asp

19989 ms

Accessibility Review

heo.cz accessibility score

89

Accessibility Issues

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

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

heo.cz best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

heo.cz SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heo.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Heo.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

heo.cz

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