Access krbydvorak.cz. Krby Dvořák kamnářství

57

Performance

Renders faster than
73% of other websites
68

Accessibility

Visual factors better than
that of 33% of websites
58

Best Practices

More advanced features
available than in
20% of websites
86

SEO

Google-friendlier than
60% of websites

First Response

505 ms

Resources Loaded

2.2 sec

Page Rendered

679 ms

About Website

Welcome to krbydvorak.cz homepage info - get ready to check Krby Dvorak best content right away, or after learning these important things about krbydvorak.cz

Krby Dvořák kamnářství - Projektujeme a stavíme akumulační i teplovzdušné krby a kachlová kamna.Velký výběr materiálů a krbových vložek.

Visit krbydvorak.cz

Key Findings

We analyzed Krbydvorak.cz page load time and found that the first response time was 505 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

www.krbydvorak.cz

505 ms

functions.js

26 ms

style.css

27 ms

frontend.package.1-3-108.js

27 ms

sdk.js

24 ms

Our browser made a total of 101 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Krbydvorak.cz, 36% (36 requests) were made to D11bh4d8fhuq47.cloudfront.net and 19% (19 requests) were made to 2b90b68078.clvaw-cdnwnd.com. The less responsive or slowest element that took the longest time to load (640 ms) relates to the external source Facebook.com.

Content Size

3.5 MB

After Optimization

3.4 MB

In fact, the total size of Krbydvorak.cz main page is 3.5 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 26.5 kB

Original 35.3 kB
After minification 32.3 kB
After compression 8.8 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 26.5 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 34.6 kB

Original 3.4 MB
After minification 3.3 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. Krby Dvorak images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 32.1 kB

Original 95.7 kB
After minification 95.7 kB
After compression 63.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 32.1 kB or 34% of the original size.

CSS Optimization

-7%

Potential reduce by 549 B

Original 8.3 kB
After minification 8.3 kB
After compression 7.7 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. Krbydvorak.cz has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Krby Dvorak. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS 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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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 Krbydvorak.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 Krbydvorak.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

krbydvorak.cz

Open Graph description is not detected on the main page of Krby Dvorak. 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

Krby Dvořák kamnářství

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)