Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

ace-cr.cz

Ace ČR

Page Load Speed

5.4 sec in total

First Response

1.4 sec

Resources Loaded

3.3 sec

Page Rendered

759 ms

ace-cr.cz screenshot

About Website

Click here to check amazing Ace Cr content. Otherwise, check out these important facts you probably never knew about ace-cr.cz

Čas od času byste si chtěli udělat radost, pročíst si nějakou dobrou stránku se zprávami a přijít třeba na tipy nových PC her? Nabízí se vám náš nový internetový magazín, který umí jen překvapit.

Visit ace-cr.cz

Key Findings

We analyzed Ace-cr.cz page load time and found that the first response time was 1.4 sec and then it took 4 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

ace-cr.cz performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.112

87/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

Network Requests Diagram

www.ace-cr.cz

1388 ms

style.css

117 ms

widget.css

232 ms

buttons.js

7 ms

wp-embed.min.js

280 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 44% of them (11 requests) were addressed to the original Ace-cr.cz, 8% (2 requests) were made to Wd-edge.sharethis.com and 8% (2 requests) were made to T.sharethis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ace-cr.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 169.3 kB (71%)

Content Size

238.4 kB

After Optimization

69.1 kB

In fact, the total size of Ace-cr.cz main page is 238.4 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. 20% of websites need less resources to load. Javascripts take 183.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 23.1 kB

  • Original 33.4 kB
  • After minification 30.8 kB
  • After compression 10.3 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 23.1 kB or 69% of the original size.

Image Optimization

-7%

Potential reduce by 1.1 kB

  • Original 16.2 kB
  • After minification 15.1 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. Ace Cr images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 141.5 kB

  • Original 183.9 kB
  • After minification 183.9 kB
  • After compression 42.4 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 141.5 kB or 77% of the original size.

CSS Optimization

-73%

Potential reduce by 3.5 kB

  • Original 4.9 kB
  • After minification 3.7 kB
  • After compression 1.3 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. Ace-cr.cz needs all CSS files to be minified and compressed as it can save up to 3.5 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (58%)

Requests Now

24

After Optimization

10

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ace Cr. 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.

Accessibility Review

ace-cr.cz accessibility score

96

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

ace-cr.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ace-cr.cz SEO score

92

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

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Ace-cr.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 Ace-cr.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 Ace Cr. 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: