Tools & Wizards About Us
highdefinition.ch screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

highdefinition.ch

Über uns — highdefinition.ch

Page Load Speed

5.8 sec in total

First Response

297 ms

Resources Loaded

5 sec

Page Rendered

527 ms

highdefinition.ch screenshot

About Website

Welcome to highdefinition.ch homepage info - get ready to check Highdefinition best content for Switzerland right away, or after learning these important things about highdefinition.ch

Highdefinition.ch verkauft Produkte, Dienstleistungen und Gesamtlösungen rund um Bild (Projektion, TV), Ton (HiFi) sowie IT und Telematik

Visit highdefinition.ch

Key Findings

We analyzed Highdefinition.ch page load time and found that the first response time was 297 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

highdefinition.ch performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.397

25/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

highdefinition.ch

297 ms

highdefinition.ch

408 ms

highdefinition.ch

107 ms

about.html

531 ms

about.html

202 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that all of those requests were addressed to Highdefinition.ch and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Highdefinition.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.0 kB (5%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Highdefinition.ch main page is 1.7 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. 60% of websites need less resources to load. Javascripts take 999.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 55.9 kB

  • Original 65.9 kB
  • After minification 65.9 kB
  • After compression 10.0 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 55.9 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 18.7 kB

  • Original 567.2 kB
  • After minification 548.5 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. Highdefinition images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 12.1 kB

  • Original 999.5 kB
  • After minification 999.4 kB
  • After compression 987.3 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

-8%

Potential reduce by 7.3 kB

  • Original 93.3 kB
  • After minification 92.7 kB
  • After compression 86.0 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. Highdefinition.ch has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 72 (58%)

Requests Now

125

After Optimization

53

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Highdefinition. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

highdefinition.ch

highdefinition.ch

297 ms

highdefinition.ch

highdefinition.ch

408 ms

highdefinition.ch

highdefinition.ch

107 ms

about.html

about.html

531 ms

about.html

about.html

202 ms

Knewave.css

Knewave.css

97 ms

base.css

base.css

195 ms

print.css

print.css

289 ms

nav_slidingdoor.css

nav_slidingdoor.css

290 ms

nav_tree.css

nav_tree.css

291 ms

buttons.css

buttons.css

294 ms

boxes.css

boxes.css

290 ms

elements.css

elements.css

292 ms

menu.css

menu.css

384 ms

classes.css

classes.css

386 ms

tags.css

tags.css

387 ms

kendo.common.min.css

kendo.common.min.css

580 ms

kendo.silver.min.css

kendo.silver.min.css

387 ms

kendo.silver.mobile.min.css

kendo.silver.mobile.min.css

483 ms

modifications.css

modifications.css

480 ms

3col.css

3col.css

481 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

578 ms

javascript.js

javascript.js

618 ms

jquery.syncheight.js

jquery.syncheight.js

575 ms

jszip.min.js

jszip.min.js

673 ms

kendo.core.min.js

kendo.core.min.js

618 ms

kendo.menu.min.js

kendo.menu.min.js

671 ms

kendo.tabstrip.min.js

kendo.tabstrip.min.js

694 ms

kendo.data.min.js

kendo.data.min.js

697 ms

kendo.grid.min.js

kendo.grid.min.js

703 ms

kendo.scrollview.min.js

kendo.scrollview.min.js

703 ms

kendo.columnsorter.min.js

kendo.columnsorter.min.js

768 ms

kendo.filtermenu.min.js

kendo.filtermenu.min.js

770 ms

kendo.web.min.js

kendo.web.min.js

1350 ms

kendo.messages.de-DE.js

kendo.messages.de-DE.js

772 ms

information_16.png

information_16.png

97 ms

shop_16.png

shop_16.png

97 ms

verfuegbarkeit_16.png

verfuegbarkeit_16.png

99 ms

oeffnungszeiten_16.png

oeffnungszeiten_16.png

99 ms

agbs_16.png

agbs_16.png

99 ms

adresse_16.png

adresse_16.png

100 ms

cookie.png

cookie.png

193 ms

bankverbindung_16.png

bankverbindung_16.png

192 ms

waehrung_16.png

waehrung_16.png

193 ms

versand_16.png

versand_16.png

194 ms

reparaturen_16.png

reparaturen_16.png

194 ms

konto_16.png

konto_16.png

195 ms

registrieren_16.png

registrieren_16.png

287 ms

passworthilfe_16.png

passworthilfe_16.png

288 ms

login_16.png

login_16.png

291 ms

kontakt_16.png

kontakt_16.png

288 ms

email_16.png

email_16.png

289 ms

chat_16.png

chat_16.png

288 ms

telefon_16.png

telefon_16.png

383 ms

ticket_16.png

ticket_16.png

384 ms

money_chf.png

money_chf.png

384 ms

money_euro.png

money_euro.png

385 ms

money_dollar.png

money_dollar.png

385 ms

sprache_16.png

sprache_16.png

385 ms

United-Kindom.png

United-Kindom.png

477 ms

Germany.png

Germany.png

479 ms

France.png

France.png

478 ms

Italy.png

Italy.png

480 ms

China.png

China.png

480 ms

Spain.png

Spain.png

481 ms

Serbia.png

Serbia.png

573 ms

Croatia.png

Croatia.png

573 ms

Portugal.png

Portugal.png

575 ms

Turkey.png

Turkey.png

575 ms

Albania.png

Albania.png

574 ms

poll.xml

poll.xml

704 ms

matomo.js

matomo.js

675 ms

kendoui.woff

kendoui.woff

763 ms

WebComponentsIcons.ttf

WebComponentsIcons.ttf

775 ms

bg_hd.gif

bg_hd.gif

574 ms

logo_hd.png

logo_hd.png

574 ms

bg.gif

bg.gif

667 ms

left.png

left.png

578 ms

right.png

right.png

681 ms

cart.gif

cart.gif

681 ms

36px-blended.png

36px-blended.png

681 ms

plus.gif

plus.gif

681 ms

plusbottom.gif

plusbottom.gif

763 ms

employee_fst_w60_h80.jpeg

employee_fst_w60_h80.jpeg

671 ms

email_go.png

email_go.png

673 ms

employee_dk_w60_h80.jpeg

employee_dk_w60_h80.jpeg

672 ms

employee_mf_w60_h80.jpeg

employee_mf_w60_h80.jpeg

673 ms

noimage_w60_h80.jpeg

noimage_w60_h80.jpeg

672 ms

demo1_w322fg_h224fg.jpeg

demo1_w322fg_h224fg.jpeg

762 ms

demo241_w322fg_h224fg.jpeg

demo241_w322fg_h224fg.jpeg

675 ms

demo247_w322fg_h224fg.jpeg

demo247_w322fg_h224fg.jpeg

674 ms

demo4_w322fg_h224fg.jpeg

demo4_w322fg_h224fg.jpeg

767 ms

demo7_w322fg_h224fg.jpeg

demo7_w322fg_h224fg.jpeg

673 ms

swisshdhisense_w322fg_h224fg.jpeg

swisshdhisense_w322fg_h224fg.jpeg

765 ms

demo5_w322fg_h224fg.jpeg

demo5_w322fg_h224fg.jpeg

762 ms

demo242_w322fg_h224fg.jpeg

demo242_w322fg_h224fg.jpeg

676 ms

demo6_w322fg_h224fg.jpeg

demo6_w322fg_h224fg.jpeg

675 ms

Homeassistant_w322fg_h224fg.jpeg

Homeassistant_w322fg_h224fg.jpeg

672 ms

itrack_w322fg_h224fg.jpeg

itrack_w322fg_h224fg.jpeg

764 ms

demo8_w322fg_h224fg.jpeg

demo8_w322fg_h224fg.jpeg

767 ms

werkstatt_reparaturen_w322fg_h224fg.jpeg

werkstatt_reparaturen_w322fg_h224fg.jpeg

767 ms

vorort_w322f_h224f.jpeg

vorort_w322f_h224f.jpeg

677 ms

tvins_w322fg_h224fg.jpeg

tvins_w322fg_h224fg.jpeg

675 ms

leinwand23_w322fg_h224fg.jpeg

leinwand23_w322fg_h224fg.jpeg

674 ms

audioraum2022_1_w322fg_h224fg.jpeg

audioraum2022_1_w322fg_h224fg.jpeg

764 ms

codefree232_w322fg_h224fg.jpeg

codefree232_w322fg_h224fg.jpeg

768 ms

smarthome_w322f_h224f.jpeg

smarthome_w322f_h224f.jpeg

674 ms

ittele_w322fg_h224fg.jpeg

ittele_w322fg_h224fg.jpeg

675 ms

schalld_w322fg_h224fg.jpeg

schalld_w322fg_h224fg.jpeg

580 ms

kali1_w322fg_h224fg.jpeg

kali1_w322fg_h224fg.jpeg

578 ms

kendo.messages.de-DE.js

kendo.messages.de-DE.js

660 ms

proj56_w322fg_h224fg.jpeg

proj56_w322fg_h224fg.jpeg

648 ms

firmk2_w322fg_h224fg.jpeg

firmk2_w322fg_h224fg.jpeg

570 ms

veranst2_w322fg_h224fg.jpeg

veranst2_w322fg_h224fg.jpeg

570 ms

Ausstellung83G48_w188.jpeg

Ausstellung83G48_w188.jpeg

570 ms

RA180S_w188.jpeg

RA180S_w188.jpeg

569 ms

NZ800_w188.jpeg

NZ800_w188.jpeg

657 ms

lgoledc4_w188.jpeg

lgoledc4_w188.jpeg

646 ms

optomauhz66_w188.jpeg

optomauhz66_w188.jpeg

580 ms

KEFrSeries_w188.jpeg

KEFrSeries_w188.jpeg

580 ms

cinema301_w188.jpeg

cinema301_w188.jpeg

579 ms

bw702s3_w188.jpeg

bw702s3_w188.jpeg

578 ms

XW7000_w188.jpeg

XW7000_w188.jpeg

666 ms

sony100inch_w188.jpeg

sony100inch_w188.jpeg

671 ms

swisshd5_w188.jpeg

swisshd5_w188.jpeg

579 ms

800d4newsright2_w188.jpeg

800d4newsright2_w188.jpeg

575 ms

audioraumneu4_w188.jpeg

audioraumneu4_w188.jpeg

575 ms

Beamerraum3_w188.jpeg

Beamerraum3_w188.jpeg

575 ms

uhdkino_w188.jpeg

uhdkino_w188.jpeg

576 ms

matomo.php

matomo.php

635 ms

kendo.culture.de-CH.min.js

kendo.culture.de-CH.min.js

290 ms

36px-black.png

36px-black.png

97 ms

Accessibility Review

highdefinition.ch accessibility score

82

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.

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

highdefinition.ch best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Page has valid source maps

SEO Factors

highdefinition.ch SEO score

90

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

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

highdefinition.ch

Open Graph description is not detected on the main page of Highdefinition. 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: