12 sec in total
487 ms
10.9 sec
656 ms
Click here to check amazing Thienvanhoc content for Vietnam. Otherwise, check out these important facts you probably never knew about thienvanhoc.org
Diễn đàn HAAC – thảo luận kiến thức thiên văn bao gồm: Bão từ * Cực quang * Big bang * Sự sống ngoài trái đất * Góc sáng tạo * Tên lửa nước * Thiên hà
Visit thienvanhoc.orgWe analyzed Thienvanhoc.org page load time and found that the first response time was 487 ms and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster. This domain responded with an error, which can significantly jeopardize Thienvanhoc.org rating and web reputation
thienvanhoc.org performance score
name
value
score
weighting
Value0.6 s
100/100
10%
Value0.6 s
100/100
25%
Value1.2 s
100/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value0.6 s
100/100
10%
487 ms
1320 ms
510 ms
31 ms
42 ms
Our browser made a total of 143 requests to load all elements on the main page. We found that 78% of them (111 requests) were addressed to the original Thienvanhoc.org, 13% (18 requests) were made to Vietastro.org and 1% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Thienvanhoc.org.
Page size can be reduced by 329.5 kB (58%)
572.2 kB
242.7 kB
In fact, the total size of Thienvanhoc.org main page is 572.2 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. 35% of websites need less resources to load. HTML takes 302.3 kB which makes up the majority of the site volume.
Potential reduce by 268.6 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 58.0 kB, which is 19% 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 268.6 kB or 89% of the original size.
Potential reduce by 16.7 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. Thienvanhoc images are well optimized though.
Potential reduce by 42.7 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 42.7 kB or 52% of the original size.
Potential reduce by 1.5 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. Thienvanhoc.org needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 86% of the original size.
Number of requests can be reduced by 35 (29%)
120
85
The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thienvanhoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
forum
487 ms
1320 ms
vbulletin_important.css
510 ms
yahoo-dom-event.js
31 ms
connection-min.js
42 ms
vbulletin_global.js
778 ms
ncode_imageresizer.js
1285 ms
vbulletin_md5.js
532 ms
brand
90 ms
brand
123 ms
vbulletin_read_marker.js
540 ms
b
9 ms
tv-mudim.js
754 ms
Untitled-1_zps6f583202.jpg
110 ms
top_1.gif
232 ms
online
106 ms
noi_quy.jpg
500 ms
lienket.gif
249 ms
has.jpg
930 ms
logoToanTinOrg.png
818 ms
navbits_start.gif
485 ms
collapse_tcat.gif
501 ms
sm%20(47).gif
510 ms
sm%20(43).gif
514 ms
sm%20(64).gif
518 ms
sm%20(27).gif
549 ms
sm%20(24).gif
987 ms
sm%20(59).gif
1005 ms
sm%20(44).gif
1030 ms
sm%20(31).gif
1036 ms
sm%20(9).gif
1021 ms
sm%20(6).gif
1015 ms
sm%20(75).gif
1516 ms
sm%20(58).gif
1530 ms
sm.gif
1524 ms
sm%20(60).gif
1529 ms
sm%20(3).gif
1547 ms
sm%20(17).gif
1564 ms
sm%20(5).gif
2016 ms
sm%20(57).gif
2018 ms
sm%20(19).gif
2033 ms
sm%20(11).gif
2043 ms
sm%20(42).gif
2038 ms
sm%20(54).gif
2036 ms
sm%20(70).gif
2524 ms
sm%20(22).gif
2537 ms
sm%20(46).gif
2531 ms
sm%20(48).gif
2527 ms
sm%20(82).gif
2562 ms
sm%20(23).gif
2557 ms
sm%20(25).gif
3015 ms
sm%20(26).gif
3042 ms
sm%20(21).gif
3041 ms
sm%20(55).gif
3053 ms
sm%20(12).gif
3058 ms
top_left.gif
504 ms
top_right.gif
513 ms
top_2.gif
522 ms
left.gif
536 ms
center.gif
549 ms
right.gif
729 ms
bot.gif
998 ms
post_old.gif
996 ms
cron.php
1112 ms
thongbao.jpg
490 ms
vietnam.png
504 ms
hoatdong.jpg
500 ms
iya2009.jpg
515 ms
wsw.jpg
518 ms
news.gif
974 ms
thienvanpt.jpg
999 ms
thienvanvatly.jpg
1019 ms
hemattroi.jpg
1024 ms
congnghevt.jpg
1029 ms
quansat.jpg
1068 ms
ktv.jpg
1474 ms
anhtvnd.jpg
1522 ms
ytuong.jpg
1525 ms
hoctap.jpg
1535 ms
congnghett.jpg
1548 ms
sangtao.jpg
1575 ms
sm%20(74).gif
3030 ms
google_custom_search_watermark.gif
45 ms
vbshout.php
1544 ms
s.gif
18 ms
ga.js
38 ms
__utm.gif
13 ms
sm%20(68).gif
3036 ms
noi_quy.jpg
583 ms
thongbao.jpg
739 ms
sm%20(7).gif
3042 ms
hoatdong.jpg
997 ms
sm%20(77).gif
3033 ms
vietnam.png
1023 ms
sm%20(39).gif
3049 ms
sm%20(16).gif
3053 ms
iya2009.jpg
1054 ms
wsw.jpg
1078 ms
sm%20(50).gif
3047 ms
news.gif
737 ms
sm%20(14).gif
3026 ms
sm%20(69).gif
3055 ms
thienvanpt.jpg
1030 ms
sm%20(4).gif
3056 ms
sm%20(71).gif
3051 ms
thienvanvatly.jpg
999 ms
sm%20(76).gif
3059 ms
hemattroi.jpg
1075 ms
sm%20(30).gif
3091 ms
congnghevt.jpg
1075 ms
quansat.jpg
1024 ms
ktv.jpg
726 ms
sm%20(34).gif
2988 ms
sm%20(84).gif
3011 ms
sm%20(61).gif
3028 ms
subforum_old.gif
3040 ms
anhtvnd.jpg
970 ms
ytuong.jpg
1003 ms
hoctap.jpg
1041 ms
icon4.gif
3068 ms
congnghett.jpg
1047 ms
lastpost.gif
3087 ms
sangtao.jpg
1040 ms
icon1.gif
3006 ms
forum_old_lock.gif
3032 ms
poll_posticon.gif
3040 ms
icon7.gif
3037 ms
icon5.gif
3071 ms
icon12.gif
3127 ms
icon10.gif
3001 ms
collapse_thead.gif
3036 ms
whos_online.gif
3021 ms
stats.gif
3043 ms
birthday.gif
3066 ms
thienvanhoc.gif
3093 ms
forum_new.gif
3007 ms
forum_old.gif
2985 ms
gradient_tcat.gif
3009 ms
gradient_thead.gif
3002 ms
sm%20(18).gif
3072 ms
sm%20(83).gif
3119 ms
sm%20(2).gif
2988 ms
sm%20(49).gif
2983 ms
thienvanhoc.org accessibility score
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
Document doesn't have a <title> element
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
thienvanhoc.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
thienvanhoc.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Thienvanhoc.org 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 English. Our system also found out that Thienvanhoc.org 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.
thienvanhoc.org
Open Graph description is not detected on the main page of Thienvanhoc. 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: