Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

ahifi.cz

Autorádia, reproduktory do auta, autohifi, zesilovače, subwoofery - Ahifi.cz

Page Load Speed

5.6 sec in total

First Response

477 ms

Resources Loaded

4.7 sec

Page Rendered

428 ms

ahifi.cz screenshot

About Website

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

Ahifi.cz - Ahifi.cz. Nabízíme autorádia, autohifi, reproduktory, zesilovače, subwoofery, tlumení a mnoho dalších doplňků do auta.

Visit ahifi.cz

Key Findings

We analyzed Ahifi.cz page load time and found that the first response time was 477 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ahifi.cz performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

ahifi.cz

477 ms

www.ahifi.cz

1293 ms

owl.carousel.css

547 ms

owl.theme.css

227 ms

styl.css

348 ms

Our browser made a total of 148 requests to load all elements on the main page. We found that 74% of them (110 requests) were addressed to the original Ahifi.cz, 5% (8 requests) were made to Data.internetovy-prodej.cz and 3% (4 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Ahifi.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 554.1 kB (46%)

Content Size

1.2 MB

After Optimization

661.0 kB

In fact, the total size of Ahifi.cz main page is 1.2 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. 55% of websites need less resources to load. Images take 498.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 77.4 kB

  • Original 100.6 kB
  • After minification 98.6 kB
  • After compression 23.2 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 77.4 kB or 77% of the original size.

Image Optimization

-13%

Potential reduce by 66.0 kB

  • Original 498.7 kB
  • After minification 432.7 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. Obviously, Ahifi needs image optimization as it can save up to 66.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 276.7 kB

  • Original 439.8 kB
  • After minification 434.1 kB
  • After compression 163.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 276.7 kB or 63% of the original size.

CSS Optimization

-76%

Potential reduce by 134.0 kB

  • Original 176.0 kB
  • After minification 158.8 kB
  • After compression 42.0 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. Ahifi.cz needs all CSS files to be minified and compressed as it can save up to 134.0 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 80 (56%)

Requests Now

143

After Optimization

63

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ahifi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ahifi.cz accessibility score

84

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-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

ahifi.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ahifi.cz SEO score

100

Search Engine Optimization Advices

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

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 Ahifi.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 Ahifi.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 Ahifi. 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: