Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

kublanka.cz

Kublanka vaří doma - Recepty

Page Load Speed

2.8 sec in total

First Response

352 ms

Resources Loaded

2.1 sec

Page Rendered

365 ms

kublanka.cz screenshot

About Website

Click here to check amazing Kublanka content for Czech Republic. Otherwise, check out these important facts you probably never knew about kublanka.cz

Láska prochází žaludkem a my jsme jasným důkazem.

Visit kublanka.cz

Key Findings

We analyzed Kublanka.cz page load time and found that the first response time was 352 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

kublanka.cz performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value4.4 s

75/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.258

48/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

kublanka.cz

352 ms

www.kublanka.cz

667 ms

system.css

117 ms

layout.css

246 ms

jscript.php

326 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 45% of them (18 requests) were addressed to the original Kublanka.cz, 5% (2 requests) were made to Google-analytics.com and 5% (2 requests) were made to Wd-edge.sharethis.com. The less responsive or slowest element that took the longest time to load (675 ms) belongs to the original domain Kublanka.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 176.5 kB (33%)

Content Size

542.9 kB

After Optimization

366.4 kB

In fact, the total size of Kublanka.cz main page is 542.9 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. 35% of websites need less resources to load. Images take 310.7 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 12.2 kB

  • Original 17.5 kB
  • After minification 17.2 kB
  • After compression 5.3 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 12.2 kB or 70% of the original size.

Image Optimization

-3%

Potential reduce by 7.8 kB

  • Original 310.7 kB
  • After minification 302.9 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. Kublanka images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 146.4 kB

  • Original 201.6 kB
  • After minification 201.6 kB
  • After compression 55.2 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 146.4 kB or 73% of the original size.

CSS Optimization

-77%

Potential reduce by 10.1 kB

  • Original 13.1 kB
  • After minification 10.3 kB
  • After compression 3.1 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. Kublanka.cz needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (37%)

Requests Now

35

After Optimization

22

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kublanka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

kublanka.cz accessibility score

54

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

kublanka.cz best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kublanka.cz SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

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 Kublanka.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 Kublanka.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

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