Tools & Wizards About Us
interscience.fr screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

interscience.fr

Products and solutions for microbiology | INTERSCIENCE

Page Load Speed

3.7 sec in total

First Response

202 ms

Resources Loaded

3.1 sec

Page Rendered

439 ms

interscience.fr screenshot

About Website

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

INTERSCIENCE has been designing, manufacturing and distributing products of excellent quality to ensure safe and rapid microbiological analyzes.

Visit interscience.fr

Key Findings

We analyzed Interscience.fr page load time and found that the first response time was 202 ms and then it took 3.5 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

interscience.fr performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value16.3 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.724

6/100

15%

TTI (Time to Interactive)

Value22.8 s

1/100

10%

Network Requests Diagram

interscience.fr

202 ms

www.interscience.com

207 ms

351 ms

js

76 ms

gtm.js

100 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Interscience.fr, 95% (105 requests) were made to Interscience.com and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (597 ms) relates to the external source Interscience.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.0 kB (11%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Interscience.fr main page is 1.8 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 92.0 kB

  • Original 106.3 kB
  • After minification 77.5 kB
  • After compression 14.4 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 28.8 kB, which is 27% 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 92.0 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 69.7 kB

  • Original 1.3 MB
  • After minification 1.2 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. INTERSCIENCE images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 42.3 kB

  • Original 262.3 kB
  • After minification 262.2 kB
  • After compression 220.0 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 42.3 kB or 16% of the original size.

CSS Optimization

-1%

Potential reduce by 1.0 kB

  • Original 169.6 kB
  • After minification 169.6 kB
  • After compression 168.6 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. Interscience.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (16%)

Requests Now

99

After Optimization

83

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of INTERSCIENCE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

interscience.fr

interscience.fr

202 ms

www.interscience.com

www.interscience.com

207 ms

351 ms

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76 ms

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100 ms

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228 ms

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241 ms

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Accessibility Review

interscience.fr accessibility score

89

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

Buttons do not have an accessible name

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

Best Practices

interscience.fr 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

High

Missing source maps for large first-party JavaScript

SEO Factors

interscience.fr 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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

interscience.fr

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