Access kobzahry.cz. www.kobzahry.cz

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0.242

51/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

kobzahry.cz

1071 ms

v_25_436f34bb8dc828b65fcd8cc78a53390d_all.css

880 ms

css

23 ms

logo.jpg

176 ms

gta-v-ps3-bazar.jpg

189 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 93% of them (75 requests) were addressed to the original Kobzahry.cz, 4% (3 requests) were made to Pagead2.googlesyndication.com and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Kobzahry.cz.

Content Size

1.0 MB

After Optimization

836.5 kB

In fact, the total size of Kobzahry.cz main page is 1.0 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. 50% of websites need less resources to load. Images take 695.8 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 167.5 kB

Original 185.0 kB
After minification 137.2 kB
After compression 17.5 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. This page needs HTML code to be minified as it can gain 47.8 kB, which is 26% 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 167.5 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 522 B

Original 695.8 kB
After minification 695.3 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. Kobzahry images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 468 B

Original 82.8 kB
After minification 82.8 kB
After compression 82.4 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

-0%

Potential reduce by 202 B

Original 41.6 kB
After minification 41.6 kB
After compression 41.4 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. Kobzahry.cz has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kobzahry. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Form elements do not have associated labels

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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/).

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 Kobzahry.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 Kobzahry.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

kobzahry.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

www.kobzahry.cz - Kobzahry.cz

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

kobzahry.cz

v_25_436f34bb8dc828b65fcd8cc78a53390d_all.css

css

logo.jpg

gta-v-ps3-bazar.jpg

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

kobzahry.cz

v_25_436f34bb8dc828b65fcd8cc78a53390d_all.css

css

logo.jpg

gta-v-ps3-bazar.jpg

god-of-war-iii-ps3-bazar.jpg

gran-turismo-5-3d-ps3-bazar.jpg

gta-v-ps4-bazar.jpg

the-last-of-us-remastered-ps4-bazar.jpg

grand-theft-auto-iv-ps3-bazar.jpg

uncharted-3-drakes-deception-3d-ps3-bazar.jpg

the-last-of-us-ps3-bazar.jpg

uncharted-2-among-thieves-ps3-bazar.jpg

killzone-2-ps3-bazar.jpg

playstation-4-500gb-ps4-bazar.jpg

balikovna.jpg

vykupujeme-a-menime-hry-nintendo-switch.jpg

prodejna-kotva.jpg

prodejna-hulvaky.jpg

playstation-4-1tb-slim-ps4-konzole.jpg

xbox-360-s-standard-250-gb.jpg

xbox-360-slim-4gb-kinect-hra-x360-bazar.jpg

xbox-360-slim-stingray-250gb-x360-bazar.jpg

xbox-360-s-standard-250-gb.jpg

xbox-360-slim-stingray-250gb-x360-bazar.jpg

xbox-360-s-standard-250-gb.jpg

xbox-360-slim-stingray-500gb-x360-bazar.jpg

xbox-360-slim-stingray-500gb-x360-bazar.jpg

xbox-360-slim-4gb-x360-bazar.jpg

playstation-2-konzole-ps2-bazar.jpg

chef-life-a-restaurant-simulator-nintendo-switch-bazar.jpg

vampire-the-masquerade-swansong-ps5-bazar.jpg

dirt-rally-legend-edition-ps4-bazar.jpg

steelbook-injustice-2-legendary-edition-xone-bazar.jpg

bee-simulator-xone-bazar.jpg

lords-of-the-fallen-ps5.jpg

bioshock-x360-bazar.jpg

show_ads.js

v_25_609d927ad3e004ed29ca85926cf9c662.js

assetto-corsa-competizione-xone-bazar.jpg

playstation-4-500gb-ps4-bazar.jpg

balikovna.jpg

vykupujeme-a-menime-hry-nintendo-switch.jpg