22.4 sec in total
4.8 sec
17 sec
576 ms
Visit chac.vn now to see the best up-to-date Chac content for Vietnam and also check out these interesting facts you probably never knew about chac.vn
Phòng khám đa khoa CHAC là sơ sở khám và điều trị chuyên sâu các Bệnh lý Hô Hấp và Rối Loạn Giấc Ngủ với đội ngũ y bác sĩ giàu kinh nghiệm.
Visit chac.vnWe analyzed Chac.vn page load time and found that the first response time was 4.8 sec and then it took 17.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
chac.vn performance score
name
value
score
weighting
Value6.7 s
2/100
10%
Value14.6 s
0/100
25%
Value10.1 s
9/100
10%
Value710 ms
42/100
30%
Value0.395
26/100
15%
Value18.0 s
3/100
10%
4816 ms
615 ms
1645 ms
671 ms
669 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 44% of them (42 requests) were addressed to the original Chac.vn, 26% (25 requests) were made to Sharebutton.net and 8% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (12.8 sec) belongs to the original domain Chac.vn.
Page size can be reduced by 1.1 MB (52%)
2.2 MB
1.0 MB
In fact, the total size of Chac.vn main page is 2.2 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. 55% of websites need less resources to load. Images take 947.9 kB which makes up the majority of the site volume.
Potential reduce by 669.1 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 669.1 kB or 91% of the original size.
Potential reduce by 116.6 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, Chac needs image optimization as it can save up to 116.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 259.6 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 259.6 kB or 66% of the original size.
Potential reduce by 85.7 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. Chac.vn needs all CSS files to be minified and compressed as it can save up to 85.7 kB or 87% of the original size.
Number of requests can be reduced by 27 (30%)
91
64
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
chac.vn
4816 ms
jquery-ui.css
615 ms
jquery.js
1645 ms
style.css
671 ms
common.js
669 ms
jcarousellite_1.0.1c4.js
654 ms
css
82 ms
style.css
361 ms
adsbygoogle.js
11 ms
wp-emoji-release.min.js
435 ms
0.png
1242 ms
photo.jpg
133 ms
logo1.jpg
422 ms
border-01.gif
421 ms
btn-search.jpg
421 ms
border-menu.png
421 ms
bg-content-loop.gif
1211 ms
bg-content-header.gif
1209 ms
bg-content-bottom.png
1210 ms
B-ng-r%C3%B4n.jpg
4456 ms
Hoi-thao-hoi-chung-ngung-tho-luc-ngu-1024x233.jpg.jpg
1736 ms
gt.jpg
12796 ms
phoi.jpg
1239 ms
di-cau-thang.jpg
1242 ms
uong-nuoc-nhieu.jpg
1241 ms
ThuocLaVaPhuNuMangThai-min-214x300.jpg
1413 ms
lichhen.jpg
1453 ms
tuvanonline.png
1450 ms
Pa_Vien_CHDI.png
1738 ms
logo.jpg
2117 ms
Pa_To_chuc_y_te_The_gioi.gif
1812 ms
banner-phai.png
2688 ms
banner-trai.png
2693 ms
3.png
1237 ms
1.png
1241 ms
7.png
1241 ms
2.png
1239 ms
bg-intro-loop.jpg
2130 ms
bg-bottom.png
3104 ms
icon-list-02.png
2456 ms
icon-list-01.gif
2786 ms
bg-news.png
2998 ms
border-03.gif
3000 ms
bg-carousel.jpg
3110 ms
bg-feedback1.png
3314 ms
btn-username.png
3294 ms
bg-textarea.png
3405 ms
btn-send.gif
3413 ms
border-04.gif
3606 ms
plusone.js
134 ms
analytics.js
22 ms
4124 ms
share.js
99 ms
collect
18 ms
collect
192 ms
close.png
361 ms
test.js
337 ms
popup-logo.png
358 ms
zoom.png
354 ms
copyright.png
360 ms
fb.png
358 ms
gp.png
359 ms
tw.png
1045 ms
go.png
1046 ms
li.png
1047 ms
tu.png
1046 ms
di.png
1048 ms
re.png
1048 ms
vk.png
1053 ms
mr.png
1052 ms
de.png
1053 ms
gm.png
1054 ms
bl.png
1072 ms
lj.png
1072 ms
ba.png
1074 ms
am.png
1073 ms
bi.png
1074 ms
wh.png
1075 ms
gt.png
1075 ms
w3.png
1075 ms
cb=gapi.loaded_0
198 ms
cb=gapi.loaded_1
231 ms
fastbutton
1032 ms
ca-pub-7372370146556883.js
329 ms
zrt_lookup.html
290 ms
show_ads_impl.js
212 ms
ads
63 ms
postmessageRelay
708 ms
osd.js
30 ms
plus.png
122 ms
1077434459-postmessagerelay.js
72 ms
rpc:shindig_random.js
70 ms
cb=gapi.loaded_0
55 ms
cb=gapi.loaded_1
43 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
79 ms
cb=gapi.loaded_0
15 ms
chac.vn 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-hidden="true"] elements contain focusable descendents
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
chac.vn 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
chac.vn 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
VI
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chac.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Chac.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.
chac.vn
Open Graph data is detected on the main page of Chac. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: