Report Summary

  • 2

    Performance

    Renders faster than
    19% 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

  • 76

    SEO

    Google-friendlier than
    35% of websites

abcomcz.cz

ABCOM.tv | E-Shop | Veľkoobchod satelitnej a inej techniky

Page Load Speed

25.3 sec in total

First Response

444 ms

Resources Loaded

24.3 sec

Page Rendered

497 ms

abcomcz.cz screenshot

About Website

Welcome to abcomcz.cz homepage info - get ready to check ABCOM Cz best content for Czech Republic right away, or after learning these important things about abcomcz.cz

Najväčší veľkoobchod so satelitnou a DVB-T technikou. Satelity, Osvetlenie, Smart home, Kamerové systémy, Ochranné pomôcky. Skladom!

Visit abcomcz.cz

Key Findings

We analyzed Abcomcz.cz page load time and found that the first response time was 444 ms and then it took 24.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 14 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

abcomcz.cz performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value4,470 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.741

6/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

abcomcz.cz

444 ms

www.abcomcz.cz

1418 ms

style_abcom.css

345 ms

tabs.css

235 ms

buttons.css

254 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 66% of them (81 requests) were addressed to the original Abcomcz.cz, 15% (18 requests) were made to Abcom.sk and 14% (17 requests) were made to Abcom.datahosting.sk. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source Abcom.datahosting.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (67%)

Content Size

2.7 MB

After Optimization

882.9 kB

In fact, the total size of Abcomcz.cz main page is 2.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 83.1 kB

  • Original 96.6 kB
  • After minification 80.0 kB
  • After compression 13.5 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 16.5 kB, which is 17% 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 83.1 kB or 86% of the original size.

Image Optimization

-60%

Potential reduce by 1.1 MB

  • Original 1.8 MB
  • After minification 721.0 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, ABCOM Cz needs image optimization as it can save up to 1.1 MB or 60% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 500.7 kB

  • Original 634.0 kB
  • After minification 468.2 kB
  • After compression 133.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 500.7 kB or 79% of the original size.

CSS Optimization

-86%

Potential reduce by 90.7 kB

  • Original 105.9 kB
  • After minification 72.8 kB
  • After compression 15.2 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. Abcomcz.cz needs all CSS files to be minified and compressed as it can save up to 90.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (31%)

Requests Now

107

After Optimization

74

The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ABCOM Cz. 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 from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

abcomcz.cz accessibility score

58

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

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

abcomcz.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

abcomcz.cz SEO score

76

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

High

Document doesn't have a valid hreflang

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

    SK

  • Language Claimed

    SK

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Abcomcz.cz can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that Abcomcz.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 ABCOM Cz. 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: