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zarovi.cz screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

zarovi.cz

Žárovi.cz

Page Load Speed

1.8 sec in total

First Response

526 ms

Resources Loaded

1.1 sec

Page Rendered

99 ms

zarovi.cz screenshot

About Website

Click here to check amazing Zarovi content for Russia. Otherwise, check out these important facts you probably never knew about zarovi.cz

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Key Findings

We analyzed Zarovi.cz page load time and found that the first response time was 526 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

zarovi.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

zarovi.cz

526 ms

style.css

134 ms

kucharka.png

599 ms

galerie.png

602 ms

ondras.png

496 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Zarovi.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (602 ms) belongs to the original domain Zarovi.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.3 kB (5%)

Content Size

106.7 kB

After Optimization

101.4 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Zarovi.cz main page is 106.7 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 104.6 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 853 B

  • Original 1.4 kB
  • After minification 1.3 kB
  • After compression 536 B

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 853 B or 61% of the original size.

Image Optimization

-4%

Potential reduce by 4.0 kB

  • Original 104.6 kB
  • After minification 100.6 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. Zarovi images are well optimized though.

CSS Optimization

-58%

Potential reduce by 407 B

  • Original 704 B
  • After minification 553 B
  • After compression 297 B

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. Zarovi.cz needs all CSS files to be minified and compressed as it can save up to 407 B or 58% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zarovi. According to our analytics all requests are already optimized.

Network Requests Diagram

zarovi.cz

zarovi.cz

526 ms

style.css

style.css

134 ms

kucharka.png

kucharka.png

599 ms

galerie.png

galerie.png

602 ms

ondras.png

ondras.png

496 ms

mw.png

mw.png

512 ms

Accessibility Review

zarovi.cz accessibility score

88

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.

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

Best Practices

zarovi.cz best practices score

83

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

SEO Factors

zarovi.cz SEO score

100

Search Engine Optimization Advices

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 Zarovi.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 Zarovi.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

zarovi.cz

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