Tools & Wizards About Us

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

casanova.cz

CASANOVA - Razítka | Samolepky | Potisk textilu | DTP | Velkoplošný tisk | Tisk | Malonákladový tisk | Potisk předmětů | Reklamní desky | Polep aut | ...

Page Load Speed

4.3 sec in total

First Response

489 ms

Resources Loaded

3.6 sec

Page Rendered

170 ms

About Website

Click here to check amazing Casanova content. Otherwise, check out these important facts you probably never knew about casanova.cz

Razítka, samolepky, potisk triček, Casanova, grafické studio, Praha 6, DTP, webdesign, flash, bannery, digitální nátisk, tisk samolepek express, folie, tisk, potisk textilu, tricka, velkoplosny tisk, ...

Visit casanova.cz

Key Findings

We analyzed Casanova.cz page load time and found that the first response time was 489 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

casanova.cz performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

casanova.cz

489 ms

www.casanova.cz

624 ms

js

78 ms

fscript.js

50 ms

casanova.css

114 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 82% of them (45 requests) were addressed to the original Casanova.cz, 4% (2 requests) were made to Google.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (970 ms) relates to the external source Firmy.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.5 kB (3%)

Content Size

435.0 kB

After Optimization

422.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Casanova.cz main page is 435.0 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. 30% of websites need less resources to load. Images take 319.3 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 7.4 kB

  • Original 11.0 kB
  • After minification 10.1 kB
  • After compression 3.6 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. 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 7.4 kB or 68% of the original size.

Image Optimization

-1%

Potential reduce by 3.7 kB

  • Original 319.3 kB
  • After minification 315.6 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. Casanova images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 606 B

  • Original 100.9 kB
  • After minification 100.9 kB
  • After compression 100.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-20%

Potential reduce by 778 B

  • Original 3.8 kB
  • After minification 3.8 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. Casanova.cz needs all CSS files to be minified and compressed as it can save up to 778 B or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (8%)

Requests Now

51

After Optimization

47

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Casanova. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

casanova.cz accessibility score

41

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

casanova.cz best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

casanova.cz SEO score

69

Search Engine Optimization Advices

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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Casanova.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 Casanova.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 Casanova. 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: