14 sec in total
3.5 sec
10.3 sec
266 ms
Click here to check amazing Dntech content for Vietnam. Otherwise, check out these important facts you probably never knew about dntech.vn
Công ty TNHH đầu tư và chuyển giao công nghệ DNTECH cung cấp, lắp đặt camera giám sát, hệ thống báo động chống trộm, nhà thông minh và các hệ thống mạng chuyên sâu.
Visit dntech.vnWe analyzed Dntech.vn page load time and found that the first response time was 3.5 sec and then it took 10.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
dntech.vn performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value17.4 s
0/100
25%
Value8.6 s
17/100
10%
Value230 ms
86/100
30%
Value0.002
100/100
15%
Value7.0 s
53/100
10%
3473 ms
630 ms
752 ms
1483 ms
948 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 97% of them (56 requests) were addressed to the original Dntech.vn, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Dntech.vn.
Page size can be reduced by 257.2 kB (15%)
1.8 MB
1.5 MB
In fact, the total size of Dntech.vn main page is 1.8 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. 45% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 18.9 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 3.2 kB, 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 18.9 kB or 80% of the original size.
Potential reduce by 143.7 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. Dntech images are well optimized though.
Potential reduce by 85.0 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 85.0 kB or 59% of the original size.
Potential reduce by 9.7 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. Dntech.vn needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 80% of the original size.
Number of requests can be reduced by 3 (5%)
57
54
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dntech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
dntech.vn
3473 ms
reset.css
630 ms
style.css
752 ms
jquery-1.7.1.min.js
1483 ms
jquery.cycle.all.min.js
948 ms
jquery.idTabs.min.js
752 ms
search.jpg
282 ms
ym.jpg
282 ms
sky.jpg
283 ms
bg-menu-top.jpg
280 ms
img-left.jpg
1080 ms
sp-noi-bat.jpg
1341 ms
line_left.png
808 ms
411.png
1879 ms
49.png
1073 ms
01.png
1617 ms
khach-hang.jpg
2153 ms
logo1.gif
1353 ms
images1.jpg
1356 ms
dhl.png
1881 ms
line_footer.png
1640 ms
camera_dntech_123.jpg
2174 ms
DVR.png
2700 ms
Banner_b%C3%A1o_tr%E1%BB%99m.jpg
2187 ms
bo_camera_khuyen_mai.jpg
2419 ms
1321705589_61-389x270.jpg
2423 ms
51.png
2730 ms
48.png
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CAMERA_DOME_DIT20_-_Copy1.jpg
3034 ms
45.png
3242 ms
401.png
3510 ms
43.png
3245 ms
421.png
3586 ms
DNT-CX20.jpg
3529 ms
camera_dntech_DNT-CX48.png
3794 ms
DNT-6116.jpg
3788 ms
ga.js
24 ms
__utm.gif
22 ms
ngu%E1%BB%93n_t%E1%BB%95ng_c%C3%B3_s%E1%BA%A1c_dntech.jpg
3896 ms
ShowItemImage.aspx_1.jpg
3923 ms
ngu%E1%BB%93n_t%E1%BB%95ng_dntech.jpg
3924 ms
ktec_img2540.jpg
4187 ms
CI30V-70A_.jpg
3396 ms
12V2A_1.jpg
3132 ms
dntech.vn_T-709CW_.jpg
3410 ms
ShowItemImage.aspx_899GSM_.png
3705 ms
ShowItemImage.aspx_2.png
3969 ms
icon_fb.png
3133 ms
icon_tw.png
2874 ms
icon_gogle.jpg
3096 ms
icon_nganluong.png
2878 ms
pp-bt.jpg
2876 ms
dntech.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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
dntech.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
General
Impact
Issue
Detected JavaScript libraries
dntech.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
Lê HUỳNH || LEHUYNH.COM
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dntech.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dntech.vn main page’s claimed encoding is lê huỳnh || lehuynh.com. 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.
dntech.vn
Open Graph description is not detected on the main page of Dntech. 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: