Tools & Wizards About Us

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

asvs.fr

asvs | Alarme intrusion, Vidéosurveillance, Contrôle d'accès, Paris

Page Load Speed

4.5 sec in total

First Response

1.1 sec

Resources Loaded

3.2 sec

Page Rendered

172 ms

About Website

Visit asvs.fr now to see the best up-to-date Asvs content and also check out these interesting facts you probably never knew about asvs.fr

Située au coeur de Paris, ASVS propose depuis 32 ans ses services de vidéosurveillance, alarme intrusion, contrôle d’accès.

Visit asvs.fr

Key Findings

We analyzed Asvs.fr page load time and found that the first response time was 1.1 sec and then it took 3.4 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

asvs.fr performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value20.2 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value2,130 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.321

36/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

asvs.fr

1136 ms

css

21 ms

layerslider.css

88 ms

css

39 ms

styles.css

157 ms

Our browser made a total of 108 requests to load all elements on the main page. We found that 77% of them (83 requests) were addressed to the original Asvs.fr, 6% (7 requests) were made to Fonts.gstatic.com and 5% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Asvs.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.1 kB (5%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Asvs.fr main page is 1.5 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. Only a small number of websites need less resources to load. Images take 715.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 38.9 kB

  • Original 47.3 kB
  • After minification 45.4 kB
  • After compression 8.5 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 38.9 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 7.5 kB

  • Original 715.9 kB
  • After minification 708.3 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. Asvs images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 25.7 kB

  • Original 582.3 kB
  • After minification 582.3 kB
  • After compression 556.6 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

-4%

Potential reduce by 4.0 kB

  • Original 110.0 kB
  • After minification 107.7 kB
  • After compression 106.0 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. Asvs.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 47 (47%)

Requests Now

99

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Asvs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

asvs.fr accessibility score

75

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

asvs.fr best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

asvs.fr SEO score

81

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

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Asvs.fr 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 Asvs.fr 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 data is detected on the main page of Asvs. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: