Tools & Wizards About Us

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

freeair.cz

Freeair.cz :: EPP modely, CNC stroje, střídavé elektromotory

Page Load Speed

23.9 sec in total

First Response

384 ms

Resources Loaded

23.4 sec

Page Rendered

117 ms

About Website

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

Joomla! - nástroj pro dynamický portál a redakční systém

Visit freeair.cz

Key Findings

We analyzed Freeair.cz page load time and found that the first response time was 384 ms and then it took 23.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

freeair.cz performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

freeaircz

384 ms

335 ms

cssloader.php

204 ms

jsloader.php

300 ms

jsloader.php

306 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 98% of them (61 requests) were addressed to the original Freeair.cz, 2% (1 request) were made to Toplist.cz. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.1 kB (17%)

Content Size

157.3 kB

After Optimization

130.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Freeair.cz main page is 157.3 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. 25% of websites need less resources to load. Javascripts take 57.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 19.6 kB

  • Original 25.2 kB
  • After minification 22.3 kB
  • After compression 5.6 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. This page needs HTML code to be minified as it can gain 2.9 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 19.6 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 2.0 kB

  • Original 56.4 kB
  • After minification 54.4 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. Freeair images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 3.3 kB

  • Original 57.4 kB
  • After minification 57.0 kB
  • After compression 54.1 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

-12%

Potential reduce by 2.3 kB

  • Original 18.3 kB
  • After minification 18.3 kB
  • After compression 16.0 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. Freeair.cz needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (34%)

Requests Now

58

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Freeair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

freeair.cz accessibility score

58

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

freeair.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

freeair.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

    EN

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Freeair.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Czech language. Our system also found out that Freeair.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 Freeair. 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: