Access hifi-home-cinema.com. Magasin hifi Paris - Vente matériel audiovisuel

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

hifi-home-cinema.com

263 ms

www.digitec-derouet.com

690 ms

icon

36 ms

css2

51 ms

thickbox.css

166 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Hifi-home-cinema.com, 94% (78 requests) were made to Digitec-derouet.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Digitec-derouet.com.

Content Size

4.6 MB

After Optimization

4.4 MB

In fact, the total size of Hifi-home-cinema.com main page is 4.6 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. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 110.4 kB

Original 124.1 kB
After minification 101.4 kB
After compression 13.6 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 22.7 kB, which is 18% 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 110.4 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 25.7 kB

Original 4.3 MB
After minification 4.2 MB

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 Homecinema images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 50.7 kB

Original 201.8 kB
After minification 201.4 kB
After compression 151.1 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 50.7 kB or 25% of the original size.

CSS Optimization

-16%

Potential reduce by 7.8 kB

Original 50.1 kB
After minification 50.1 kB
After compression 42.3 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. Hifi-home-cinema.com needs all CSS files to be minified and compressed as it can save up to 7.8 kB or 16% of the original size.

Requests Now

After Optimization

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hifi Homecinema. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

FR
Language Claimed

FR
Encoding

UTF-8

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

hifi-home-cinema.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Magasin hifi Paris - Vente matériel audiovisuel | DEROUET

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

hifi-home-cinema.com

www.digitec-derouet.com

icon

css2

thickbox.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

hifi-home-cinema.com

www.digitec-derouet.com

icon

css2

thickbox.css

jquery.fancybox.css

styleiecheck.css

slick.css

slick-theme.css

main.css

theme.css

jquery.min.js

jquery-ui.css

outils.js

jquery.fancybox.js

slick.min.js

main.js

slick-config.js

navigateurObsolete.css

encart_avis.css

tarteaucitron.js

tarteaucitron_init.js

navigateurObsolete.js

newsletter.js

encart_avis.js

jquery-ui.js

logo-derouet.png

header-mc-intosh-2.jpg

dali.png

focal-03.png

loewe.png

header-klipsch-1.jpg

header-integration.jpg

header-kef-2.jpg

mf_nu-vista-800-2-front-silver-derouet.jpg

dynaudio-xeo-6-blanc-xeo-hub_derouet.jpg

shunyata-research-python-etron-c15-175-derouet.jpg

audio-research_nrg-tornado_derouet.jpg

audioquest_william-tell-zero_derouet.jpg

focal_on-wall-302_side_derouet.jpg

hegel_h95_side_derouet.jpg

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bloc-02.jpg