Tools & Wizards About Us
alvis-audio.com screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

alvis-audio.com

Protections auditives, bouchons antibruit et casquess anti-bruit

Page Load Speed

3.9 sec in total

First Response

284 ms

Resources Loaded

3 sec

Page Rendered

612 ms

alvis-audio.com screenshot

About Website

Welcome to alvis-audio.com homepage info - get ready to check Alvis Audio best content for France right away, or after learning these important things about alvis-audio.com

Protections auditives, bouchons d'oreille anti-bruit et casques anti-bruit pour loisirs ou professionnels. Découvrez les EPICB ALVIS Audio, spécialiste de la protection auditive.

Visit alvis-audio.com

Key Findings

We analyzed Alvis-audio.com page load time and found that the first response time was 284 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

alvis-audio.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value2,100 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

alvis-audio.com

284 ms

alvis-audio.com

399 ms

www.alvis-audio.com

610 ms

bootstrap.flat.min.css

190 ms

style.css

267 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 74% of them (59 requests) were addressed to the original Alvis-audio.com, 5% (4 requests) were made to Platform.twitter.com and 4% (3 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Alvis-audio.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.4 kB (9%)

Content Size

2.3 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alvis-audio.com main page is 2.3 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 75.5 kB

  • Original 95.4 kB
  • After minification 95.4 kB
  • After compression 20.0 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 75.5 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 70 B

  • Original 1.5 MB
  • After minification 1.5 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. Alvis Audio images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 100.0 kB

  • Original 655.4 kB
  • After minification 655.2 kB
  • After compression 555.4 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 100.0 kB or 15% of the original size.

CSS Optimization

-41%

Potential reduce by 29.9 kB

  • Original 73.1 kB
  • After minification 73.1 kB
  • After compression 43.2 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. Alvis-audio.com needs all CSS files to be minified and compressed as it can save up to 29.9 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (25%)

Requests Now

76

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alvis Audio. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alvis-audio.com

alvis-audio.com

284 ms

alvis-audio.com

alvis-audio.com

399 ms

www.alvis-audio.com

www.alvis-audio.com

610 ms

bootstrap.flat.min.css

bootstrap.flat.min.css

190 ms

style.css

style.css

267 ms

jquery.ui.css

jquery.ui.css

287 ms

font-awesome.min.css

font-awesome.min.css

313 ms

gdpr-ckie.js

gdpr-ckie.js

330 ms

js

js

75 ms

in.js

in.js

23 ms

sdk.js

sdk.js

19 ms

jquery.min.js

jquery.min.js

407 ms

jquery.ui.min.js

jquery.ui.min.js

511 ms

bootstrap.min.js

bootstrap.min.js

386 ms

jquery.mobile.custom.min.js

jquery.mobile.custom.min.js

386 ms

analytics.js

analytics.js

146 ms

banniere-2020-f.jpg

banniere-2020-f.jpg

187 ms

cart-icon.png

cart-icon.png

199 ms

tw-share-facebook@2x.png

tw-share-facebook@2x.png

236 ms

tw-share-mail@2x.png

tw-share-mail@2x.png

215 ms

tw-share-rss@2x.png

tw-share-rss@2x.png

336 ms

1-concert-gprod.jpg

1-concert-gprod.jpg

466 ms

1-chasse-gprod-b-2.jpg

1-chasse-gprod-b-2.jpg

525 ms

1-dentiste-header.jpg

1-dentiste-header.jpg

435 ms

37847111-xl.jpg

37847111-xl.jpg

611 ms

1-aeroport-gprod.jpg

1-aeroport-gprod.jpg

549 ms

1-hyperacousie-header.jpg

1-hyperacousie-header.jpg

474 ms

124765199-l-1-b-aplat.jpg

124765199-l-1-b-aplat.jpg

611 ms

17668637-m.jpg

17668637-m.jpg

612 ms

1-moto-header.jpg

1-moto-header.jpg

702 ms

41793128-m.jpg

41793128-m.jpg

712 ms

logo-alvis-v3-apla.jpg

logo-alvis-v3-apla.jpg

706 ms

gardez-2.jpg

gardez-2.jpg

726 ms

cat-gene-v8-couv.jpg

cat-gene-v8-couv.jpg

740 ms

mk5-white-no-logo-4-2-2-2.jpg

mk5-white-no-logo-4-2-2-2.jpg

766 ms

kit-talkie-4-3-2-2-2-2.jpg

kit-talkie-4-3-2-2-2-2.jpg

800 ms

multi-resine2-2-2-2-2-2-2-2.jpg

multi-resine2-2-2-2-2-2-2-2.jpg

819 ms

5908216298615-9.jpg

5908216298615-9.jpg

838 ms

hygiene-2-2-2.jpg

hygiene-2-2-2.jpg

862 ms

ald-new-bouton-4-2-2-2-2-2-2-2-2.jpg

ald-new-bouton-4-2-2-2-2-2-2-2-2.jpg

875 ms

37847111-xl-2.jpg

37847111-xl-2.jpg

899 ms

1-chasse-info-3-2-2-2.jpg

1-chasse-info-3-2-2-2.jpg

919 ms

41793128-m-2-2-2.jpg

41793128-m-2-2-2.jpg

939 ms

11000237-m-2-2-2.jpg

11000237-m-2-2-2.jpg

957 ms

7374167-xl-2-3-2.jpg

7374167-xl-2-3-2.jpg

972 ms

05-01-355-2-2-2.jpg

05-01-355-2-2-2.jpg

1039 ms

1-aeroport-info-3-2-2.jpg

1-aeroport-info-3-2-2.jpg

1040 ms

12145013-l-3-2-2.jpg

12145013-l-3-2-2.jpg

919 ms

5214088-l-3-2-2.jpg

5214088-l-3-2-2.jpg

931 ms

1-natation-header-2-2-2-2.jpg

1-natation-header-2-2-2-2.jpg

953 ms

collect

collect

39 ms

sdk.js

sdk.js

15 ms

1-hyperacousie-header-3-2-2.jpg

1-hyperacousie-header-3-2-2.jpg

932 ms

153 ms

collect

collect

39 ms

1-dentiste-header-2-2-2.jpg

1-dentiste-header-2-2-2.jpg

920 ms

mk-u.jpg

mk-u.jpg

943 ms

mk-3.jpg

mk-3.jpg

945 ms

ga-audiences

ga-audiences

119 ms

mk4-4.jpg

mk4-4.jpg

950 ms

show_ads.js

show_ads.js

156 ms

widgets.js

widgets.js

132 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

962 ms

like.php

like.php

204 ms

mk-5.jpg

mk-5.jpg

877 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

64 ms

adsbygoogle.js

adsbygoogle.js

103 ms

chasseiii-2.jpg

chasseiii-2.jpg

788 ms

razor-slim-folding-black-100x100.jpg

razor-slim-folding-black-100x100.jpg

796 ms

talkie-2-aplat.jpg

talkie-2-aplat.jpg

807 ms

settings

settings

159 ms

razor-xv-2.jpg

razor-xv-2.jpg

777 ms

0tkypXghyNw.js

0tkypXghyNw.js

82 ms

FEppCFCt76d.png

FEppCFCt76d.png

74 ms

show_ads_impl.js

show_ads_impl.js

384 ms

icones-banniere-2.jpg

icones-banniere-2.jpg

708 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

22 ms

embeds

embeds

35 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.fr.html

tweet_button.2f70fb173b9000da126c79afe2098f02.fr.html

30 ms

print.css

print.css

99 ms

Accessibility Review

alvis-audio.com accessibility score

95

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.

Tables and lists

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

Impact

Issue

High

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

Best Practices

alvis-audio.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

alvis-audio.com SEO score

92

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

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alvis-audio.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 Alvis-audio.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

alvis-audio.com

Open Graph data is detected on the main page of Alvis Audio. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: