3.5 sec in total
331 ms
2.7 sec
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Welcome to delta-diffusion.com homepage info - get ready to check Delta Diffusion best content right away, or after learning these important things about delta-diffusion.com
L'entreprise de nettoyage cryogénique Delta Diffusion à Lyon propose la vente et location de matériel de cryogénie et nettoyage industriel, vente de glace carbonique, solutions de désinfection industr...
Visit delta-diffusion.comWe analyzed Delta-diffusion.com page load time and found that the first response time was 331 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
delta-diffusion.com performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value4.4 s
38/100
25%
Value9.0 s
14/100
10%
Value810 ms
36/100
30%
Value0
100/100
15%
Value12.9 s
13/100
10%
331 ms
601 ms
170 ms
334 ms
191 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 92% of them (46 requests) were addressed to the original Delta-diffusion.com, 4% (2 requests) were made to Cdnjs.cloudflare.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Delta-diffusion.com.
Page size can be reduced by 173.3 kB (11%)
1.6 MB
1.4 MB
In fact, the total size of Delta-diffusion.com main page is 1.6 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 45.6 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 45.6 kB or 83% of the original size.
Potential reduce by 32.4 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. Delta Diffusion images are well optimized though.
Potential reduce by 88.4 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 88.4 kB or 60% of the original size.
Potential reduce by 7.0 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. Delta-diffusion.com needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 81% of the original size.
Number of requests can be reduced by 21 (46%)
46
25
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta Diffusion. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
delta-diffusion.com
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delta-diffusion.com accessibility score
ARIA
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.
Impact
Issue
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
delta-diffusion.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
delta-diffusion.com SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
N/A
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Delta-diffusion.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Delta-diffusion.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.
delta-diffusion.com
Open Graph description is not detected on the main page of Delta Diffusion. 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: