1.6 sec in total
348 ms
1.1 sec
177 ms
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Visit duanrevig.comWe analyzed Duanrevig.com page load time and found that the first response time was 348 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
duanrevig.com performance score
name
value
score
weighting
Value2.1 s
81/100
10%
Value2.5 s
90/100
25%
Value3.4 s
89/100
10%
Value1,070 ms
25/100
30%
Value0.002
100/100
15%
Value7.2 s
51/100
10%
348 ms
108 ms
205 ms
9 ms
36 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 50% of them (18 requests) were addressed to the original Duanrevig.com, 11% (4 requests) were made to Pagead2.googlesyndication.com and 11% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (412 ms) belongs to the original domain Duanrevig.com.
Page size can be reduced by 49.2 kB (21%)
240.0 kB
190.8 kB
In fact, the total size of Duanrevig.com main page is 240.0 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. 40% of websites need less resources to load. Images take 197.7 kB which makes up the majority of the site volume.
Potential reduce by 11.3 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 1.8 kB, which is 11% 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 11.3 kB or 71% of the original size.
Potential reduce by 33.1 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, Duanrevig needs image optimization as it can save up to 33.1 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.3 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 3.6 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. Duanrevig.com needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 78% of the original size.
Number of requests can be reduced by 6 (19%)
31
25
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duanrevig. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
duanrevig.com
348 ms
modele.css
108 ms
acoustique.css
205 ms
show_ads.js
9 ms
ifr
36 ms
urchin.js
6 ms
zrt_lookup.html
42 ms
show_ads_impl.js
47 ms
geoclock.php
362 ms
poweredby_FFFFFF.gif
28 ms
b&w.gif
109 ms
img31tk2.png
412 ms
Liens.4.jpg
309 ms
Papilio%20Machaon%20Machaon.JPG
202 ms
index%20articles%20acoustiques.jpg
214 ms
Liens.jpg
218 ms
directivite%20micro.jpg
217 ms
excel.gif
300 ms
bernard%20lagnel.jpg
347 ms
cours.jpg
346 ms
loi.jpg
356 ms
mem.jpg
392 ms
ads
188 ms
osd.js
26 ms
__utm.gif
2 ms
9320146966893715045
77 ms
abg.js
38 ms
m_js_controller.js
48 ms
googlelogo_color_112x36dp.png
35 ms
s
30 ms
x_button_blue2.png
30 ms
Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js
4 ms
getimage.jpg
109 ms
duanrevig.jpg
106 ms
Papilio%20Palinurus.jpg
110 ms
ui
34 ms
duanrevig.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-*] attributes do not match their roles
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
Links do not have a discernible name
duanrevig.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
duanrevig.com SEO score
FR
FR
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duanrevig.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 Duanrevig.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
duanrevig.com
Open Graph description is not detected on the main page of Duanrevig. 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: