Tools & Wizards About Us
vira.cz screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

vira.cz

VIRA.CZ - víra, Bůh, křesťanství

Page Load Speed

6.1 sec in total

First Response

1.5 sec

Resources Loaded

4.1 sec

Page Rendered

446 ms

vira.cz screenshot

About Website

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

Člověk a víra - informační zdroj o křesťanské víře a životě z víry. Křesťanská víra není soubor pouček a nařízení, ale osobní vztah důvěry. Bůh důvěřuje nám a zve nás, abychom důvěřovali jemu. Křesťan...

Visit vira.cz

Key Findings

We analyzed Vira.cz page load time and found that the first response time was 1.5 sec and then it took 4.6 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

vira.cz performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.207

60/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

www.vira.cz

1488 ms

css

44 ms

801e3c0aedfeec6a64a9375bfc84d89d.css

124 ms

jquery.fancybox.min.css

219 ms

dca17f908b2541dff11718280865e52f

593 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 72% of them (36 requests) were addressed to the original Vira.cz, 12% (6 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Vira.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.5 kB (6%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vira.cz 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. 40% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 29.0 kB

  • Original 39.6 kB
  • After minification 34.5 kB
  • After compression 10.6 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 5.1 kB, which is 13% 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 29.0 kB or 73% of the original size.

Image Optimization

-0%

Potential reduce by 2.3 kB

  • Original 1.1 MB
  • After minification 1.1 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. VIRA images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 45.3 kB

  • Original 120.0 kB
  • After minification 120.0 kB
  • After compression 74.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 45.3 kB or 38% of the original size.

CSS Optimization

-1%

Potential reduce by 14 B

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 2.4 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. Vira.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (21%)

Requests Now

42

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VIRA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.vira.cz

www.vira.cz

1488 ms

css

css

44 ms

801e3c0aedfeec6a64a9375bfc84d89d.css

801e3c0aedfeec6a64a9375bfc84d89d.css

124 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

219 ms

dca17f908b2541dff11718280865e52f

dca17f908b2541dff11718280865e52f

593 ms

js

js

67 ms

jquery-3.1.1.min.js

jquery-3.1.1.min.js

375 ms

searchbox.js

searchbox.js

278 ms

code

code

198 ms

e7ba7853200602abdeffc283e36c2e6c.js

e7ba7853200602abdeffc283e36c2e6c.js

517 ms

dd85fc66ac2be8d096f8784f8439aedf.css

dd85fc66ac2be8d096f8784f8439aedf.css

215 ms

ga.js

ga.js

143 ms

matomo.js

matomo.js

883 ms

defaultHeaderImage

defaultHeaderImage

303 ms

dakota-corbin-PmNjS6b3XP4-unsplash.jpg

dakota-corbin-PmNjS6b3XP4-unsplash.jpg

399 ms

hubert-buratynski-fS9dK-hVVok-unsplash.jpg

hubert-buratynski-fS9dK-hVVok-unsplash.jpg

203 ms

2014-08-141707-HR.JPG

2014-08-141707-HR.JPG

477 ms

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20240414_154936.jpg

510 ms

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death-valley-3133502_1920.jpg

354 ms

anastasiya-romanova-DvhZr7pwEdE-unsplash.jpg

anastasiya-romanova-DvhZr7pwEdE-unsplash.jpg

554 ms

kitera-dent-1xSiUiFQJvk-unsplash.jpg

kitera-dent-1xSiUiFQJvk-unsplash.jpg

596 ms

Obr%C3%A1zek%20WhatsApp%2C%202024-04-20%20v%2000.09.37_a9414528.jpg

Obr%C3%A1zek%20WhatsApp%2C%202024-04-20%20v%2000.09.37_a9414528.jpg

483 ms

child-192704_1280.jpg

child-192704_1280.jpg

708 ms

snowscat-m8Vl9_5oDzI-unsplash.jpg

snowscat-m8Vl9_5oDzI-unsplash.jpg

608 ms

2018-09-05-092914-festival-vedy.JPG

2018-09-05-092914-festival-vedy.JPG

635 ms

2013-05-191562-barcelona-r.jpg

2013-05-191562-barcelona-r.jpg

659 ms

2012-04-211426-chchle.jpg

2012-04-211426-chchle.jpg

678 ms

etienne-boulanger-erCPgyXNlto-unsplash.jpg

etienne-boulanger-erCPgyXNlto-unsplash.jpg

726 ms

AmyPixabay-seascape-4240264_1920.jpg

AmyPixabay-seascape-4240264_1920.jpg

770 ms

charis2024.jpg

charis2024.jpg

751 ms

Kyticka_2024_jpeg.jpg

Kyticka_2024_jpeg.jpg

784 ms

nadeje.jpg

nadeje.jpg

821 ms

dakota-corbin-PmNjS6b3XP4-unsplash.jpg

dakota-corbin-PmNjS6b3XP4-unsplash.jpg

833 ms

plane-g8ae5c97bf_1920.jpg

plane-g8ae5c97bf_1920.jpg

846 ms

woman-gac6c46951_1920pixabay.jpg

woman-gac6c46951_1920pixabay.jpg

862 ms

%27B%C5%AFh%20Tv%C5%AFrce%27%20stvo%C5%99il%20%27%C4%8Dlov%C4%9Bka%20tv%C5%AFrce%27%20%28kr%C3%A1tk%C3%A9%20video%29

%27B%C5%AFh%20Tv%C5%AFrce%27%20stvo%C5%99il%20%27%C4%8Dlov%C4%9Bka%20tv%C5%AFrce%27%20%28kr%C3%A1tk%C3%A9%20video%29

889 ms

Jak%20nejl%C3%A9pe%20realizovat%20s%C3%A1m%20sebe

Jak%20nejl%C3%A9pe%20realizovat%20s%C3%A1m%20sebe

911 ms

neboj%20JUMP.jpg

neboj%20JUMP.jpg

944 ms

ikonka_tvnoe.gif

ikonka_tvnoe.gif

1017 ms

proglas.gif

proglas.gif

956 ms

ikonka_seznamka-katolik.gif

ikonka_seznamka-katolik.gif

954 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4uaVc.ttf

163 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4uaVc.ttf

151 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4uaVc.ttf

160 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

931 ms

__utm.gif

__utm.gif

56 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWV4exQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWV4exQ.ttf

50 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjWV4exQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkxhjWV4exQ.ttf

50 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjWV4exQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0RkyFjWV4exQ.ttf

49 ms

matomo.php

matomo.php

295 ms

Accessibility Review

vira.cz accessibility score

75

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

Image elements do not have [alt] attributes

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.

Best Practices

vira.cz best practices score

75

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

SEO Factors

vira.cz SEO score

83

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 Vira.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 Vira.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

vira.cz

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