11.7 sec in total
1.6 sec
8.6 sec
1.4 sec
Click here to check amazing Vatlylamdong content for Vietnam. Otherwise, check out these important facts you probably never knew about vatlylamdong.com
Diễn đàn Vật Lý Giáo dục Lâm Đồng
Visit vatlylamdong.comWe analyzed Vatlylamdong.com page load time and found that the first response time was 1.6 sec and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
vatlylamdong.com performance score
name
value
score
weighting
Value1.7 s
91/100
10%
Value2.1 s
96/100
25%
Value2.5 s
98/100
10%
Value400 ms
68/100
30%
Value0
100/100
15%
Value8.9 s
35/100
10%
1614 ms
808 ms
527 ms
816 ms
863 ms
Our browser made a total of 129 requests to load all elements on the main page. We found that 86% of them (111 requests) were addressed to the original Vatlylamdong.com, 3% (4 requests) were made to Pagead2.googlesyndication.com and 2% (3 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Vatlylamdong.com.
Page size can be reduced by 742.9 kB (64%)
1.2 MB
413.6 kB
In fact, the total size of Vatlylamdong.com 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. 55% of websites need less resources to load. Javascripts take 395.8 kB which makes up the majority of the site volume.
Potential reduce by 302.0 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 302.0 kB or 88% of the original size.
Potential reduce by 51.4 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, Vatlylamdong needs image optimization as it can save up to 51.4 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 293.0 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 293.0 kB or 74% of the original size.
Potential reduce by 96.5 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. Vatlylamdong.com needs all CSS files to be minified and compressed as it can save up to 96.5 kB or 85% of the original size.
Number of requests can be reduced by 43 (34%)
125
82
The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vatlylamdong. 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 as a result speed up the page load time.
vatlylamdong.com
1614 ms
yuiloader-dom-event.js
808 ms
connection-min.js
527 ms
vbulletin-core.js
816 ms
css.php
863 ms
css.php
570 ms
animation-min.js
830 ms
vbulletin-sidebar.js
858 ms
css.php
1118 ms
vbulletin_md5.js
1083 ms
show_ads.js
27 ms
pa_ad.js
1092 ms
counter.js
48 ms
vbulletin_facebook.js
556 ms
vietvbb_topx.js
561 ms
wz_tooltip.js
919 ms
background-blue.png
290 ms
logo.png
1274 ms
395 ms
NGZiZTk5YTRlZWU2ZTAzZjE3NjQ=.gif
34 ms
username.png
404 ms
password.png
394 ms
facebook_login.gif
403 ms
search.png
405 ms
navbit-home.png
485 ms
collapse_40b.png
504 ms
hot.gif
694 ms
13x13progress.gif
694 ms
post_old.gif
697 ms
noiqui.png
789 ms
lastpost-right.png
813 ms
hdsd.png
1005 ms
thongbao.png
1003 ms
gy.png
1006 ms
tinqt.png
1058 ms
icon1.png
1103 ms
tintn.png
1214 ms
tinvl.png
1231 ms
hn.png
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vb.png
1284 ms
forum_old-48.png
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baigiang.png
1374 ms
subforum_old-48.png
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kttc.png
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dt.png
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lb.png
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bd.png
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icon4.png
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co.png
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lsvl.png
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tavl.png
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ls.png
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danhnhan.png
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vui.png
1854 ms
ca-pub-2845012817525060.js
352 ms
zrt_lookup.html
350 ms
show_ads_impl.js
242 ms
3868339.jpg
332 ms
ads
57 ms
danhngon1.html
1622 ms
osd.js
21 ms
ds.png
1614 ms
gt.png
1620 ms
td.png
1671 ms
tb.png
1713 ms
ajs.php
314 ms
sach.png
1644 ms
giaidap.png
1777 ms
ctcnl.png
1595 ms
thbd.png
1638 ms
book.png
1661 ms
phanmem.png
1581 ms
count
214 ms
hinhanh.png
1641 ms
all.js
97 ms
video.png
1595 ms
tailieu.png
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lh.png
2399 ms
icon10.png
1587 ms
634 ms
tm.png
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xd_arbiter.php
205 ms
xd_arbiter.php
327 ms
thovan.png
1689 ms
thethao.png
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cn.png
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tc.png
1654 ms
hai.png
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rac.png
1719 ms
users_online.png
1738 ms
forum_stats.png
1628 ms
legend.png
1651 ms
forum_new-16.png
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forum_old-16.png
1797 ms
category-16.png
1779 ms
forum_link-16.png
1764 ms
tab-collapsed.png
1682 ms
widget-comment.png
1692 ms
image.php
1917 ms
unknown.gif
1818 ms
image.php
1813 ms
image.php
1812 ms
nguyendien.js
2335 ms
quangduy.js
1671 ms
image.php
2068 ms
unikey.png
2016 ms
font.png
1979 ms
idm.png
1970 ms
firefox.png
2166 ms
foxitreader.png
2153 ms
activ.png
2109 ms
math1.png
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p.png
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bo.jpg
2045 ms
sgdld.jpg
1999 ms
violet.jpg
1998 ms
ld.jpg
1954 ms
cron.php
3603 ms
arrow.png
1856 ms
top-highlight.png
2001 ms
forumheadBlue.png
1997 ms
grey-up.png
1956 ms
list.gif
1917 ms
listbg.gif
1820 ms
grey-up.png
1998 ms
gradient-greytowhite.png
1994 ms
gradient-black-down.png
1972 ms
bottom-shadow.png
1957 ms
xd_arbiter.php
20 ms
vatlylamdong.com 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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
vatlylamdong.com 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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
vatlylamdong.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
N/A
VI
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vatlylamdong.com 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), while the claimed language is Vietnamese. Our system also found out that Vatlylamdong.com 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.
vatlylamdong.com
Open Graph description is not detected on the main page of Vatlylamdong. 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: