Access lab-ceres.com. Laboratoire d'analyses: alimentaire, eau, légionelle, covid 19

Report Summary

About Website

Welcome to lab-ceres.com homepage info - get ready to check Lab Ceres best content right away, or after learning these important things about lab-ceres.com

Le laboratoire CERES est un laboratoire d'analyses: analyses alimentaires, analyse de l'eau, risque légionelle, analyses en cosmétique, détection du SARS-CoV-2, analyses environnementales. I...

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

lab-ceres.com

351 ms

www.lab-ceres.com

793 ms

styles-1669297362.min.css

206 ms

flatpickr.min.css

281 ms

jquery.fancybox.min.css

275 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 88% of them (45 requests) were addressed to the original Lab-ceres.com, 4% (2 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Lab-ceres.com.

Content Size

887.9 kB

After Optimization

794.2 kB

In fact, the total size of Lab-ceres.com main page is 887.9 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. 50% of websites need less resources to load. Images take 590.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 69.5 kB

Original 78.9 kB
After minification 44.3 kB
After compression 9.5 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. This page needs HTML code to be minified as it can gain 34.6 kB, which is 44% 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 69.5 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 18.8 kB

Original 590.4 kB
After minification 571.6 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. Lab Ceres images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 5.0 kB

Original 157.6 kB
After minification 157.6 kB
After compression 152.6 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

-1%

Potential reduce by 416 B

Original 61.0 kB
After minification 61.0 kB
After compression 60.5 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. Lab-ceres.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lab Ceres. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

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

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

High

Form elements do not have associated labels

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

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 Lab-ceres.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 Lab-ceres.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

lab-ceres.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Laboratoire d'analyses: alimentaire, eau, légionelle, covid 19

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)