8.3 sec in total
895 ms
7.1 sec
243 ms
Welcome to down.vn homepage info - get ready to check Down best content for Vietnam right away, or after learning these important things about down.vn
Visit down.vnWe analyzed Down.vn page load time and found that the first response time was 895 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
down.vn performance score
name
value
score
weighting
Value3.5 s
36/100
10%
Value7.7 s
4/100
25%
Value11.1 s
6/100
10%
Value2,000 ms
8/100
30%
Value0
100/100
15%
Value14.1 s
10/100
10%
895 ms
474 ms
463 ms
487 ms
979 ms
Our browser made a total of 198 requests to load all elements on the main page. We found that 10% of them (19 requests) were addressed to the original Down.vn, 47% (93 requests) were made to I.down.vn and 12% (23 requests) were made to En.gamevui.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source I.down.vn.
Page size can be reduced by 307.0 kB (25%)
1.2 MB
928.5 kB
In fact, the total size of Down.vn main page is 1.2 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. 65% of websites need less resources to load. Images take 799.4 kB which makes up the majority of the site volume.
Potential reduce by 99.5 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 40.7 kB, which is 36% 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 99.5 kB or 89% of the original size.
Potential reduce by 35.0 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. Down images are well optimized though.
Potential reduce by 111.8 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 111.8 kB or 45% of the original size.
Potential reduce by 60.8 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. Down.vn needs all CSS files to be minified and compressed as it can save up to 60.8 kB or 78% of the original size.
Number of requests can be reduced by 37 (22%)
171
134
The browser has sent 171 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Down. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
down.vn
895 ms
mac
474 ms
reset.min.css
463 ms
style.min.css
487 ms
jquery-1.7.2.min.js
979 ms
adengine.v5.js
742 ms
textlink.v3.css
511 ms
adsbygoogle.js
8 ms
jquery.cookie.min.js
287 ms
jquery.fancybox-1.3.4.pack.js
469 ms
jquery.sticky.min.js
499 ms
main.min.js
539 ms
adfooter.min.js
543 ms
jquery.fancybox-1.3.4.css
446 ms
analytics.js
26 ms
SopCast-1.png
1338 ms
logo.png
238 ms
search.gif
247 ms
icons.png
249 ms
star.png
259 ms
OS-X-El-Capitan-Mac-logo105.png
881 ms
Minecraft-for-Mac-logo105.png
1376 ms
Chicken-Invaders-5-Halloween-logo105.png
1329 ms
Adobe-Flash-Player-11-small.jpg
1138 ms
0901_tft_105.jpg
1163 ms
Avast-105.jpg
1373 ms
Office-2016-105.png
1395 ms
OS-X105.png
1430 ms
vanish-balls-105.png
1582 ms
World-of-Warcraft105.png
1587 ms
16-AssaultCube-105.jpg
1618 ms
VirtualDJ-Home-for-Mac-1.jpg
1614 ms
moto-racer1.png
1891 ms
Firefox26-1.png
1678 ms
avastAV-Mac105.jpg
1824 ms
Google-Earth-1.png
1823 ms
iFunBox1.png
1852 ms
eMaps1.png
1855 ms
Metadata-Hootenanny1.png
1927 ms
shield.png
2059 ms
internet.png
2064 ms
chat-4-32.png
2091 ms
Mac-games.png
2093 ms
domain.png
2134 ms
music.png
2173 ms
businessman.png
2304 ms
Office.png
2307 ms
thiet-ke.png
2327 ms
giaoduc.png
2328 ms
settings.png
2379 ms
Adobe-Flash-Player.png
2446 ms
0901_roc_32.jpg
2593 ms
AssaultCube32.png
2546 ms
Atomix-Productions.png
2566 ms
moto-racer.png
2567 ms
newgames.ashx
316 ms
ca-pub-9275417305531302.js
53 ms
zrt_lookup.html
56 ms
show_ads_impl.js
64 ms
collect
10 ms
collect
104 ms
cache.aspx
854 ms
ads
155 ms
osd.js
6 ms
css
71 ms
m_js_controller.js
40 ms
abg.js
44 ms
style.mobile.min.css
778 ms
jquery.min.js
5 ms
favicon
45 ms
nessie_icon_thin_arrow_big_white.png
23 ms
s
14 ms
googlelogo_color_112x36dp.png
28 ms
x_button_blue2.png
11 ms
E4WYPs_lNJIuXrWpTsOcc3FIG36RfI0ERc0srw5QW9Y.js
5 ms
cJZKeOuBrn4kERxqtaUH3SZ2oysoEQEeKwjgmXLRnTc.ttf
45 ms
firefox.png
1761 ms
navigation
252 ms
platform.js
74 ms
sdk.js
12 ms
qua-tang-8-3-left.jpg
2019 ms
b.gif
903 ms
qua-tang-8-3-right.jpg
2019 ms
61 ms
xd_arbiter.php
29 ms
xd_arbiter.php
35 ms
cb=gapi.loaded_0
12 ms
cb=gapi.loaded_1
25 ms
fastbutton
95 ms
postmessageRelay
33 ms
api.js
89 ms
core:rpc:shindig.random:shindig.sha1.js
128 ms
2536007149-postmessagerelay.js
114 ms
cb=gapi.loaded_0
112 ms
cb=gapi.loaded_1
95 ms
pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf
99 ms
favicon.120.png
771 ms
thien-ha-keo-ngot-105.jpg
520 ms
ban-ca-dai-duong-105.jpg
523 ms
choi-co-caro.jpg
529 ms
nong-trai-gamevui.jpg
525 ms
sudoku.jpg
530 ms
Lines150.gif
768 ms
chem-keo-ngot.jpg
771 ms
CandyRain80.jpg
774 ms
cut-the-rope-time-travel-2.jpg
774 ms
Fruit-Blaster.jpg
777 ms
2048_1.jpg
1006 ms
Kiss-trong-van-phong.jpg
1016 ms
Giet-thoi-gian-cong-so-5.jpg
1019 ms
Thoi-trang-cong-so.jpg
1022 ms
Giet-thoi-gian-cong-so-4.jpg
1023 ms
Xep-keo-ngot.jpg
1029 ms
Giet-thoi-gian-cong-so-3.jpg
1254 ms
Giet-thoi-gian-ngay-Noel.jpg
1265 ms
Giet-thoi-gian-cong-so-2.jpg
1268 ms
Giet-thoi-gian-cong-so.jpg
1271 ms
Angry-Birds-Rio.jpg
1272 ms
xep-bai.jpg
1280 ms
avast.png
1557 ms
Google-Earth.png
1611 ms
iFunBox.png
1484 ms
Windows-games.png
1476 ms
antivirus.png
1460 ms
internet.png
1512 ms
nghe-nhac.png
1551 ms
downloads.png
1606 ms
activeview
14 ms
templates_icon.png
1463 ms
hdd.png
1464 ms
email.png
1453 ms
documents.png
1513 ms
thien-ha-keo-ngot-105.jpg
489 ms
ban-ca-dai-duong-105.jpg
507 ms
nong-trai-gamevui.jpg
509 ms
choi-co-caro.jpg
766 ms
sudoku.jpg
774 ms
tang-toc.png
1515 ms
gear.png
1453 ms
image.png
1460 ms
Tet.jpg
1437 ms
ios-games.png
1450 ms
tu-vi.png
1486 ms
Lines150.gif
725 ms
chem-keo-ngot.jpg
492 ms
CandyRain80.jpg
507 ms
cut-the-rope-time-travel-2.jpg
509 ms
Fruit-Blaster.jpg
731 ms
chup-anh.png
1512 ms
iphone.png
1458 ms
video-multi.png
1458 ms
truyentranh.png
1437 ms
giaitri.png
1445 ms
bookm.png
1486 ms
2048_1.jpg
526 ms
Kiss-trong-van-phong.jpg
520 ms
Giet-thoi-gian-cong-so-5.jpg
530 ms
Thoi-trang-cong-so.jpg
539 ms
Giet-thoi-gian-cong-so-4.jpg
712 ms
Xep-keo-ngot.jpg
724 ms
news.png
1513 ms
canhan.png
1454 ms
mua-sam.png
1454 ms
hospital.png
1439 ms
place.png
1445 ms
map.png
1486 ms
Giet-thoi-gian-cong-so-3.jpg
531 ms
Giet-thoi-gian-ngay-Noel.jpg
525 ms
Giet-thoi-gian-cong-so-2.jpg
535 ms
Giet-thoi-gian-cong-so.jpg
547 ms
Angry-Birds-Rio.jpg
704 ms
xep-bai.jpg
718 ms
cloud.png
1488 ms
vanphong.png
1452 ms
bank2.png
1429 ms
hotro.png
1436 ms
protect.png
1415 ms
baby.png
1474 ms
tang-toc-dien-thoai.png
1489 ms
mang-xa-hoi.png
1444 ms
Android-games.png
1434 ms
android.png
1435 ms
bank.png
1416 ms
joystick.png
1474 ms
windows.png
1490 ms
film.png
1441 ms
hotel.png
1439 ms
document_mark.gif
1434 ms
bieu-mau.png
1416 ms
thu-thuat-facebook.png
1475 ms
net.gif
1490 ms
Thu-thuat-may-tinh.png
1437 ms
tin-tuc.png
1436 ms
Thu-thuat-di-dong.png
1434 ms
thu-thuat-am-nhac.png
1421 ms
Thu-thuat-chat.png
1473 ms
Chinh-sua-anh.png
1490 ms
Diet-virus.png
1434 ms
down.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-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
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
down.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
Issues were logged in the Issues panel in Chrome Devtools
down.vn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Down.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 Down.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.
down.vn
Open Graph description is not detected on the main page of Down. 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: