13.6 sec in total
2.1 sec
11.3 sec
212 ms
Click here to check amazing Cskh Evnhanoi content for Vietnam. Otherwise, check out these important facts you probably never knew about cskh.evnhanoi.vn
Visit cskh.evnhanoi.vnWe analyzed Cskh.evnhanoi.vn page load time and found that the first response time was 2.1 sec and then it took 11.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster. This domain responded with an error, which can significantly jeopardize Cskh.evnhanoi.vn rating and web reputation
cskh.evnhanoi.vn performance score
name
value
score
weighting
Value16.7 s
0/100
10%
Value55.8 s
0/100
25%
Value38.9 s
0/100
10%
Value1,990 ms
8/100
30%
Value0.433
22/100
15%
Value49.4 s
0/100
10%
2085 ms
1894 ms
1353 ms
1368 ms
561 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that all of those requests were addressed to Cskh.evnhanoi.vn and no external sources were called. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Cskh.evnhanoi.vn.
Page size can be reduced by 1.1 MB (38%)
2.9 MB
1.8 MB
In fact, the total size of Cskh.evnhanoi.vn main page is 2.9 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. 20% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 35.2 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 11.0 kB, which is 26% 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 35.2 kB or 83% of the original size.
Potential reduce by 238.9 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, Cskh Evnhanoi needs image optimization as it can save up to 238.9 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 318.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 318.3 kB or 71% of the original size.
Potential reduce by 502.2 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. Cskh.evnhanoi.vn needs all CSS files to be minified and compressed as it can save up to 502.2 kB or 87% of the original size.
Number of requests can be reduced by 33 (61%)
54
21
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cskh Evnhanoi. 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 19 to 1 for CSS and as a result speed up the page load time.
cskh.evnhanoi.vn
2085 ms
bootstrap.min.css
1894 ms
style.css
1353 ms
header-default.css
1368 ms
footer-v1.css
561 ms
header-v6.css
1376 ms
animate.css
1918 ms
line-icons.css
1076 ms
font-awesome.min.css
1357 ms
jquery.fancybox.css
1639 ms
owl.carousel.css
1640 ms
settings.css
2193 ms
custom.css
1662 ms
style_add.css
1928 ms
blue.css
1660 ms
logoevnhanoi_.jpg
3002 ms
Site.css
1911 ms
phone.gif
2204 ms
jquery.min.js
1686 ms
jquery-migrate.min.js
1418 ms
bootstrap.min.js
1668 ms
back-to-top.js
1671 ms
smoothScroll.js
1692 ms
jquery.parallax.js
1945 ms
jquery.fancybox.pack.js
1963 ms
owl.carousel.js
1957 ms
jquery.themepunch.tools.min.js
2246 ms
jquery.themepunch.revolution.min.js
2517 ms
custom.js
2224 ms
app.js
2234 ms
fancy-box.js
2244 ms
owl-carousel.js
2503 ms
revolution-slider.js
2515 ms
faq.js
2511 ms
ie8.css
1981 ms
blocks.css
3277 ms
plugins.css
2243 ms
app.css
2515 ms
Banner_homeevnhanoi01_bg.jpg
3741 ms
Banner_02.jpg
1664 ms
Banner_homeevnhanoi04.jpg
3051 ms
quicklink%201.png
4836 ms
QuickLinkLCD.jpg
2135 ms
QuickLinkCSHD.jpg
1934 ms
quicklink%203.png
4361 ms
QuickLinkTT.jpg
2475 ms
quicklink%206.png
4030 ms
02.jpg
3021 ms
03.jpg
3561 ms
04.jpg
3588 ms
05.jpg
4101 ms
06.jpg
4132 ms
logo_duongban.png
4016 ms
timer.png
4275 ms
fontawesome-webfont.woff
4284 ms
loader.gif
4261 ms
revicons.woff
4283 ms
fontawesome-webfont.ttf
1091 ms
revicons.ttf
271 ms
cskh.evnhanoi.vn accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
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.
cskh.evnhanoi.vn 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
Missing source maps for large first-party JavaScript
cskh.evnhanoi.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cskh.evnhanoi.vn 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Cskh.evnhanoi.vn 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.
cskh.evnhanoi.vn
Open Graph description is not detected on the main page of Cskh Evnhanoi. 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: