Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

rossow.fr

Groupe Rossow

Page Load Speed

5 sec in total

First Response

293 ms

Resources Loaded

4.6 sec

Page Rendered

147 ms

rossow.fr screenshot

About Website

Click here to check amazing Rossow content. Otherwise, check out these important facts you probably never knew about rossow.fr

Rossow Group - Specialty ingredients and preparations for Cosmetic and Industrial products. The family group Rossow is your partner for specialty ingredients, raw materials, and preparations since 195...

Visit rossow.fr

Key Findings

We analyzed Rossow.fr page load time and found that the first response time was 293 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

rossow.fr performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

rossow.fr

293 ms

www.rossow.fr

475 ms

Style.css

103 ms

jquery-latest.js

7 ms

Menu.JS

195 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 70% of them (16 requests) were addressed to the original Rossow.fr, 26% (6 requests) were made to Rossow-website.com and 4% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Rossow-website.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 66.2 kB (34%)

Content Size

195.9 kB

After Optimization

129.8 kB

In fact, the total size of Rossow.fr main page is 195.9 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. 20% of websites need less resources to load. Images take 177.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 10.3 kB

  • Original 13.4 kB
  • After minification 13.3 kB
  • After compression 3.1 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 10.3 kB or 77% of the original size.

Image Optimization

-30%

Potential reduce by 52.3 kB

  • Original 177.1 kB
  • After minification 124.8 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. Obviously, Rossow needs image optimization as it can save up to 52.3 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 3.2 kB

  • Original 4.6 kB
  • After minification 3.8 kB
  • After compression 1.4 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 3.2 kB or 70% of the original size.

CSS Optimization

-46%

Potential reduce by 347 B

  • Original 753 B
  • After minification 693 B
  • After compression 406 B

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. Rossow.fr needs all CSS files to be minified and compressed as it can save up to 347 B or 46% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (15%)

Requests Now

20

After Optimization

17

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rossow. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

rossow.fr accessibility score

60

Accessibility Issues

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

rossow.fr best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

rossow.fr SEO score

58

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rossow.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Rossow.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 description is not detected on the main page of Rossow. 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: