Report Summary

  • 63

    Performance

    Renders faster than
    78% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

aaaradiatory.cz

AAAradiátory - komplexní systém topení ze nejlepší ceny na trhu.

Page Load Speed

4.8 sec in total

First Response

899 ms

Resources Loaded

2.9 sec

Page Rendered

1 sec

aaaradiatory.cz screenshot

About Website

Click here to check amazing Aaaradiatory content for Czech Republic. Otherwise, check out these important facts you probably never knew about aaaradiatory.cz

Online nákup kompletní topenářské techniky přímo z našeho skladu přímo k Vám do ČR a SVK. Online poradenství, kvalita dodávaného zboží, rychlost dodávek. PŘESVĚDČTE SE právě nyní.

Visit aaaradiatory.cz

Key Findings

We analyzed Aaaradiatory.cz page load time and found that the first response time was 899 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

aaaradiatory.cz performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value20.3 s

0/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.118

85/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

www.aaaradiatory.cz

899 ms

Resource.ashx

124 ms

Resource.ashx

124 ms

Resource.ashx

125 ms

Resource.ashx

125 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Aaaradiatory.cz, 26% (11 requests) were made to Cdn.aaaradiatory.cz and 9% (4 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (899 ms) belongs to the original domain Aaaradiatory.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 225.9 kB (66%)

Content Size

341.3 kB

After Optimization

115.5 kB

In fact, the total size of Aaaradiatory.cz main page is 341.3 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. 50% of websites need less resources to load. HTML takes 248.8 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 219.3 kB

  • Original 248.8 kB
  • After minification 248.0 kB
  • After compression 29.4 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 219.3 kB or 88% of the original size.

JavaScript Optimization

-7%

Potential reduce by 6.4 kB

  • Original 85.7 kB
  • After minification 85.7 kB
  • After compression 79.3 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

-2%

Potential reduce by 141 B

  • Original 6.9 kB
  • After minification 6.9 kB
  • After compression 6.7 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. Aaaradiatory.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (60%)

Requests Now

25

After Optimization

10

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aaaradiatory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

aaaradiatory.cz accessibility score

69

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.

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

aaaradiatory.cz best practices score

75

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

High

Page has valid source maps

SEO Factors

aaaradiatory.cz SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

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

    CS

  • Encoding

    UTF-8

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