7.5 sec in total
365 ms
2.7 sec
4.4 sec
Welcome to vietsciences.free.fr homepage info - get ready to check Vietsciences Free best content for France right away, or after learning these important things about vietsciences.free.fr
Visit vietsciences.free.frWe analyzed Vietsciences.free.fr page load time and found that the first response time was 365 ms and then it took 7.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
vietsciences.free.fr performance score
name
value
score
weighting
Value0
0/100
10%
Value0
0/100
25%
Value0
0/100
10%
Value0
0/100
30%
Value0.039
99/100
15%
Value0
0/100
10%
365 ms
167 ms
184 ms
856 ms
162 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 79% of them (22 requests) were addressed to the original Vietsciences.free.fr, 7% (2 requests) were made to Perso0.free.fr and 4% (1 request) were made to Statcounter.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Ci4.googleusercontent.com.
Page size can be reduced by 38.2 kB (6%)
589.1 kB
550.9 kB
In fact, the total size of Vietsciences.free.fr main page is 589.1 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. 20% of websites need less resources to load. Images take 567.5 kB which makes up the majority of the site volume.
Potential reduce by 450 B
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 106 B, which is 14% 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 450 B or 58% of the original size.
Potential reduce by 32.0 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. Vietsciences Free images are well optimized though.
Potential reduce by 1.5 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 4.2 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. Vietsciences.free.fr needs all CSS files to be minified and compressed as it can save up to 4.2 kB or 73% of the original size.
Number of requests can be reduced by 5 (21%)
24
19
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vietsciences Free. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
vietsciences.free.fr
365 ms
head.htm
167 ms
left.htm
184 ms
home.htm
856 ms
navi.css
162 ms
menu.css
163 ms
counter.js
10 ms
style1.css
185 ms
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2064 ms
logo6.gif
164 ms
t.php
92 ms
bgmenu.gif
173 ms
led.gif
176 ms
bg_nhac.jpg
154 ms
178 ms
xinvinhbiet.jpg
441 ms
loa.gif
224 ms
vanchuongvanhancachVH1.JPG
550 ms
vanchuongvanhancachVH2.JPG
560 ms
img_blank.gif
873 ms
notes.jpg
352 ms
noel10.gif
220 ms
goldnumber.jpg
163 ms
wwwcount.cgi
187 ms
238 ms
logoR.jpg
317 ms
bqalad-n.jpg
336 ms
wwwcount.cgi
180 ms
vietsciences.free.fr accessibility score
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
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
vietsciences.free.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
vietsciences.free.fr SEO score
N/A
CY
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vietsciences.free.fr 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 Welsh. Our system also found out that Vietsciences.free.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.
vietsciences.free.fr
Open Graph description is not detected on the main page of Vietsciences Free. 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: