6.7 sec in total
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Welcome to dunod.com homepage info - get ready to check Dunod best content for France right away, or after learning these important things about dunod.com
Dunod Editions. Edition de livres de savoirs pour étudiants, professionnels, amateurs en entreprise, sciences, techniques, informatique, psy, bien-être et lo...
Visit dunod.comWe analyzed Dunod.com page load time and found that the first response time was 221 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
dunod.com performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value16.0 s
0/100
25%
Value6.3 s
42/100
10%
Value1,350 ms
17/100
30%
Value0.881
3/100
15%
Value17.3 s
4/100
10%
221 ms
593 ms
172 ms
354 ms
283 ms
Our browser made a total of 202 requests to load all elements on the main page. We found that 90% of them (182 requests) were addressed to the original Dunod.com, 3% (7 requests) were made to Fonts.gstatic.com and 1% (3 requests) were made to Sdk.privacy-center.org. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Dunod.com.
Page size can be reduced by 423.1 kB (4%)
9.7 MB
9.3 MB
In fact, the total size of Dunod.com main page is 9.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 8.9 MB which makes up the majority of the site volume.
Potential reduce by 419.4 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. 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 419.4 kB or 88% of the original size.
Potential reduce by 1.3 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. Dunod images are well optimized though.
Potential reduce by 2.3 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.
Potential reduce by 13 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. Dunod.com has all CSS files already compressed.
Number of requests can be reduced by 32 (17%)
190
158
The browser has sent 190 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dunod. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
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dunod.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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
dunod.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
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
Missing source maps for large first-party JavaScript
dunod.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
FR
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dunod.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 Dunod.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.
dunod.com
Open Graph data is detected on the main page of Dunod. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: