Tools & Wizards About Us
hifionline.cz screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

hifionline.cz

Hifi on Line - hifi a high end audio komponenty - www.hifionline.cz

Page Load Speed

22.5 sec in total

First Response

294 ms

Resources Loaded

22 sec

Page Rendered

267 ms

hifionline.cz screenshot

About Website

Visit hifionline.cz now to see the best up-to-date Hifi On Line content for Sweden and also check out these interesting facts you probably never knew about hifionline.cz

E-SHOP s kvalitní audiotechnikou | Poslechové studio | Zboží skladem

Visit hifionline.cz

Key Findings

We analyzed Hifionline.cz page load time and found that the first response time was 294 ms and then it took 22.2 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

hifionline.cz performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.4 s

30/100

10%

Network Requests Diagram

hifionline.cz

294 ms

www.hifionline.cz

604 ms

naseptavac.js

283 ms

scripts.js

284 ms

kosik.js

283 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 93% of them (67 requests) were addressed to the original Hifionline.cz, 3% (2 requests) were made to Connect.facebook.net and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.2 kB (21%)

Content Size

717.1 kB

After Optimization

569.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hifionline.cz main page is 717.1 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. 35% of websites need less resources to load. Images take 547.3 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 74.5 kB

  • Original 85.6 kB
  • After minification 77.8 kB
  • After compression 11.1 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 74.5 kB or 87% of the original size.

Image Optimization

-8%

Potential reduce by 44.9 kB

  • Original 547.3 kB
  • After minification 502.5 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. Hifi On Line images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 26.4 kB

  • Original 77.5 kB
  • After minification 77.4 kB
  • After compression 51.0 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 26.4 kB or 34% of the original size.

CSS Optimization

-21%

Potential reduce by 1.4 kB

  • Original 6.7 kB
  • After minification 6.7 kB
  • After compression 5.3 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. Hifionline.cz needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (39%)

Requests Now

69

After Optimization

42

  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hifi On Line. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

hifionline.cz

hifionline.cz

294 ms

www.hifionline.cz

www.hifionline.cz

604 ms

naseptavac.js

naseptavac.js

283 ms

scripts.js

scripts.js

284 ms

kosik.js

kosik.js

283 ms

jquery.js

jquery.js

386 ms

easyslider.js

easyslider.js

284 ms

style.css

style.css

284 ms

theme.css

theme.css

566 ms

lightbox.css

lightbox.css

565 ms

tooltip.js

tooltip.js

578 ms

menu.js

menu.js

594 ms

menu_data.js

menu_data.js

578 ms

theme.js

theme.js

678 ms

all.js

all.js

32 ms

transparent.gif

transparent.gif

295 ms

header.png

header.png

296 ms

to_cashbox.gif

to_cashbox.gif

297 ms

send_mini.gif

send_mini.gif

296 ms

categories_on.gif

categories_on.gif

298 ms

producers_off.gif

producers_off.gif

394 ms

natural.gif

natural.gif

578 ms

tab2.gif

tab2.gif

578 ms

orange.gif

orange.gif

579 ms

tdai-1120-upgrade.jpg

tdai-1120-upgrade.jpg

768 ms

cambridge-akce.jpg

cambridge-akce.jpg

1146 ms

vincent-sv-228.jpg

vincent-sv-228.jpg

859 ms

icon_new.gif

icon_new.gif

858 ms

dynavox-x2000-sitovy-filtr.jpg

dynavox-x2000-sitovy-filtr.jpg

860 ms

icon_action.gif

icon_action.gif

861 ms

vincent-sv-237mkii-silver.jpg

vincent-sv-237mkii-silver.jpg

1050 ms

4452-viablue-podlozky-pod-hroty-black.jpg

4452-viablue-podlozky-pod-hroty-black.jpg

1140 ms

lyngdorf-remote-control-tdai-1120.jpg

lyngdorf-remote-control-tdai-1120.jpg

1139 ms

vincent-sp-t700.jpg

vincent-sp-t700.jpg

1142 ms

cambridge-audio-evo-cd.jpg

cambridge-audio-evo-cd.jpg

1143 ms

4475-lyngdorf-tdai-3400-hdmi-adc.jpg

4475-lyngdorf-tdai-3400-hdmi-adc.jpg

1330 ms

icon_top.gif

icon_top.gif

1422 ms

cambridge-audio-cxa61.jpg

cambridge-audio-cxa61.jpg

1420 ms

cambridge-audio-azur-851n-silver.jpg

cambridge-audio-azur-851n-silver.jpg

1422 ms

3732-yamaha-ns-sw200-black.jpg

3732-yamaha-ns-sw200-black.jpg

1422 ms

vincent-premium-bi-wire-3m.jpg

vincent-premium-bi-wire-3m.jpg

1424 ms

acoustic-energy-ae-309-walmut.jpg

acoustic-energy-ae-309-walmut.jpg

1616 ms

cambridge-audio-evo-75.jpg

cambridge-audio-evo-75.jpg

1704 ms

viablue-digital-optical-1m.jpg

viablue-digital-optical-1m.jpg

1703 ms

viablue-digital-opt-tos-3-5mm-2-5m.jpg

viablue-digital-opt-tos-3-5mm-2-5m.jpg

1703 ms

vincent-sa-t7-diamond.jpg

vincent-sa-t7-diamond.jpg

1703 ms

viablue-absorber-ufo-black.jpg

viablue-absorber-ufo-black.jpg

1703 ms

3886-viablue-digital-optical-tos-3-5mm-6m.jpg

3886-viablue-digital-optical-tos-3-5mm-6m.jpg

1882 ms

4560-pangea-rca-kabel-0-6m.jpg

4560-pangea-rca-kabel-0-6m.jpg

1966 ms

all.js

all.js

5 ms

count.asp

count.asp

20356 ms

ga.js

ga.js

21 ms

yamaha-r-n602-silver.jpg

yamaha-r-n602-silver.jpg

1845 ms

__utm.gif

__utm.gif

14 ms

viablue-xs-redukce-rca-y.jpg

viablue-xs-redukce-rca-y.jpg

1699 ms

4556-viablue-xlr-kabel-1m.jpg

4556-viablue-xlr-kabel-1m.jpg

1699 ms

da-prevodnik-cambridge-dacmagic-plus.jpg

da-prevodnik-cambridge-dacmagic-plus.jpg

1703 ms

vincent-sv-234.jpg

vincent-sv-234.jpg

1890 ms

yamaha-r-n-500-sitovy-receiver.jpg

yamaha-r-n-500-sitovy-receiver.jpg

1977 ms

aurum-cantus-v3m-cherry.jpg

aurum-cantus-v3m-cherry.jpg

1881 ms

aurum-cantus-melody-m-103-cerny-klavir-lak.jpg

aurum-cantus-melody-m-103-cerny-klavir-lak.jpg

1697 ms

vincent-sv-232-silver.jpg

vincent-sv-232-silver.jpg

1698 ms

vincent-dac-1-black.jpg

vincent-dac-1-black.jpg

1702 ms

cryptographp.inc.php

cryptographp.inc.php

1892 ms

vincent-sv-238-mk.jpg

vincent-sv-238-mk.jpg

1788 ms

rss_mini.gif

rss_mini.gif

1696 ms

header_bg.gif

header_bg.gif

1698 ms

left_bg.gif

left_bg.gif

1698 ms

heading.gif

heading.gif

1700 ms

search_bg.gif

search_bg.gif

1704 ms

cat_box_bg.gif

cat_box_bg.gif

1696 ms

right_bg.gif

right_bg.gif

1696 ms

Accessibility Review

hifionline.cz accessibility score

59

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

High

<html> element does not have a valid value for its [lang] attribute.

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

hifionline.cz best practices score

50

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

hifionline.cz SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    CZ

  • Encoding

    UTF-8

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

hifionline.cz

Open Graph description is not detected on the main page of Hifi On Line. 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: