6.4 sec in total
1.5 sec
4.7 sec
256 ms
Visit dayhoc.vn now to see the best up-to-date Dayhoc content and also check out these interesting facts you probably never knew about dayhoc.vn
Visit dayhoc.vnWe analyzed Dayhoc.vn page load time and found that the first response time was 1.5 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
dayhoc.vn performance score
name
value
score
weighting
Value3.4 s
36/100
10%
Value5.7 s
16/100
25%
Value7.6 s
26/100
10%
Value60 ms
100/100
30%
Value0.125
83/100
15%
Value5.0 s
77/100
10%
1475 ms
472 ms
966 ms
737 ms
741 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Dayhoc.vn, 2% (1 request) were made to Img001.tentenshop.vn and 2% (1 request) were made to Opi.yahoo.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Sandomain.vn.
Page size can be reduced by 405.4 kB (50%)
805.4 kB
400.0 kB
In fact, the total size of Dayhoc.vn main page is 805.4 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. 45% of websites need less resources to load. HTML takes 382.2 kB which makes up the majority of the site volume.
Potential reduce by 362.9 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 104.2 kB, which is 27% 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 362.9 kB or 95% of the original size.
Potential reduce by 39.2 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, Dayhoc needs image optimization as it can save up to 39.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 2.4 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 903 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. Dayhoc.vn needs all CSS files to be minified and compressed as it can save up to 903 B or 21% of the original size.
Number of requests can be reduced by 13 (29%)
45
32
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dayhoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
sandomain.vn
1475 ms
style9h2.css
472 ms
jquery.min.js
966 ms
home.js
737 ms
jquery.bpopup.min.js
741 ms
cufon-yui.js
1008 ms
UTM_HelvetIns_400.font.js
757 ms
nivo-slider.css
757 ms
default.css
707 ms
stickytooltip.css
946 ms
jquery.nivo.slider.js
980 ms
stickytooltip.js
977 ms
011614e385d4725e7ade4c5781b5210714.png
253 ms
online
234 ms
0.gif
78 ms
i_home.png
257 ms
i_about.png
250 ms
i_new2.png
249 ms
i_payment.png
257 ms
i_noti.png
250 ms
i_contact.png
472 ms
246811af030724f4251508a1cf6bd7f981.jpg
482 ms
246811af030724f423fbf1781c2c8ebce7.jpg
775 ms
6008de9b3d80d872bb63d4496c0a61e0a5.jpg
736 ms
i_new.gif
507 ms
32.jpg
759 ms
33.jpg
710 ms
90145c22f60ab427d20dcc509a6f75849b.jpg
721 ms
41.jpg
758 ms
42.jpg
950 ms
43.jpg
960 ms
34.jpg
982 ms
35.jpg
1012 ms
36.jpg
1011 ms
37.jpg
1019 ms
45.jpg
1187 ms
25ef31729a18ae4b1ef6deb9de4298a268.jpg
1203 ms
santenmien-inet.jpg
1228 ms
matbao.jpg
1263 ms
santenmien-fpt.jpg
1264 ms
santenmien-tenten.jpg
1265 ms
nhanhoa.jpg
1424 ms
santenmien-pa.jpg
1442 ms
dathongbao.png
1717 ms
loading.gif
1446 ms
menu_bg.gif
1447 ms
arrows.png
1284 ms
dayhoc.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.
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
dayhoc.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
dayhoc.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
VI
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dayhoc.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 Dayhoc.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.
dayhoc.vn
Open Graph description is not detected on the main page of Dayhoc. 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: