Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

xavier.cz

XAVIER - Kultovn?, V?tvarn? a Origin?ln? Tri?ka s Potiskem.

Page Load Speed

2 sec in total

First Response

192 ms

Resources Loaded

1.7 sec

Page Rendered

112 ms

xavier.cz screenshot

About Website

Visit xavier.cz now to see the best up-to-date XAVIER content for Czech Republic and also check out these interesting facts you probably never knew about xavier.cz

Xavier v?m nab?z? kultovn?, v?tvarn? a origin?ln? tri?ka s potiskem nejvy??? kvality v jedine?n?m d?rkov?m balen?.

Visit xavier.cz

Key Findings

We analyzed Xavier.cz page load time and found that the first response time was 192 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

xavier.cz performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.258

48/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

index.php

192 ms

styly001.css

248 ms

jquery.fancybox.css

246 ms

jquery.js

501 ms

nic.gif

129 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 77% of them (23 requests) were addressed to the original Xavier.cz, 7% (2 requests) were made to Google-analytics.com and 7% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (619 ms) belongs to the original domain Xavier.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 72.9 kB (30%)

Content Size

239.2 kB

After Optimization

166.4 kB

In fact, the total size of Xavier.cz main page is 239.2 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 141.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 11.7 kB

  • Original 16.5 kB
  • After minification 16.1 kB
  • After compression 4.8 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 11.7 kB or 71% of the original size.

Image Optimization

-12%

Potential reduce by 17.6 kB

  • Original 141.2 kB
  • After minification 123.6 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. Obviously, XAVIER needs image optimization as it can save up to 17.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 36.2 kB

  • Original 72.2 kB
  • After minification 72.2 kB
  • After compression 36.0 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 36.2 kB or 50% of the original size.

CSS Optimization

-78%

Potential reduce by 7.3 kB

  • Original 9.3 kB
  • After minification 6.8 kB
  • After compression 2.0 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. Xavier.cz needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

28

After Optimization

28

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of XAVIER. According to our analytics all requests are already optimized.

Accessibility Review

xavier.cz accessibility score

88

Accessibility Issues

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

xavier.cz best practices score

58

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

xavier.cz SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Xavier.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 Xavier.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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