Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

wales.cz

Wales – Nejstarší specializované knihkupectví SF&F.

Page Load Speed

3.4 sec in total

First Response

572 ms

Resources Loaded

2.6 sec

Page Rendered

271 ms

wales.cz screenshot

About Website

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

Knihkupectví Wales je nejstarší knihkupectví zaměřené na sci-fi a fantasy knihy. Nabízí také knihy z oblasti hororů a dále časopisy, komiksy, karetní hry, stolní hry, Červenák, Raymond, Simon, Herbert...

Visit wales.cz

Key Findings

We analyzed Wales.cz page load time and found that the first response time was 572 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

wales.cz performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

wales.cz

572 ms

classes.css

185 ms

default.css

186 ms

function.js

193 ms

login.gif

469 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that all of those requests were addressed to Wales.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Wales.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.1 kB (7%)

Content Size

688.3 kB

After Optimization

637.3 kB

In fact, the total size of Wales.cz main page is 688.3 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 625.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 35.6 kB

  • Original 43.4 kB
  • After minification 42.1 kB
  • After compression 7.8 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 35.6 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 788 B

  • Original 625.5 kB
  • After minification 624.7 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. Wales images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 139 B

  • Original 362 B
  • After minification 290 B
  • After compression 223 B

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 139 B or 38% of the original size.

CSS Optimization

-76%

Potential reduce by 14.5 kB

  • Original 19.1 kB
  • After minification 16.1 kB
  • After compression 4.5 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. Wales.cz needs all CSS files to be minified and compressed as it can save up to 14.5 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

46

After Optimization

37

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wales. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

wales.cz accessibility score

94

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

Best Practices

wales.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

SEO Factors

wales.cz SEO score

77

Search Engine Optimization Advices

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 Wales.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 Wales.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 Wales. 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: