57.4 sec in total
721 ms
56.3 sec
385 ms
Visit vtron.com now to see the best up-to-date Vtron content for United States and also check out these interesting facts you probably never knew about vtron.com
专注于控制室解决方案的国内第一家上市公司,国家火炬计划重点高新技术企业、全国首批创新型企业,主营拼接显示单元、处理器、软件、可视化解决方案等产品,应用于指挥调度控制中心等,便于用户集中管理和监察各种业务数据和信息,及时做出业务决策,处置应急事件。业务范围遍布50多个国家和地区,累计已在全球成功实施了超过15500个项目。
Visit vtron.comWe analyzed Vtron.com page load time and found that the first response time was 721 ms and then it took 56.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 5 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
vtron.com performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value33.5 s
0/100
25%
Value43.7 s
0/100
10%
Value60 ms
100/100
30%
Value0.566
12/100
15%
Value38.6 s
0/100
10%
721 ms
6188 ms
1416 ms
2130 ms
1436 ms
Our browser made a total of 271 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Vtron.com, 99% (267 requests) were made to Vtron.com.cn and 1% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Vtron.com.cn.
Page size can be reduced by 923.3 kB (15%)
6.1 MB
5.1 MB
In fact, the total size of Vtron.com main page is 6.1 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.4 MB which makes up the majority of the site volume.
Potential reduce by 532.3 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 335.1 kB, which is 57% 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 532.3 kB or 90% of the original size.
Potential reduce by 375.7 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. Vtron images are well optimized though.
Potential reduce by 9.3 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 9.3 kB or 15% of the original size.
Potential reduce by 6.1 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. Vtron.com needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 15% of the original size.
Number of requests can be reduced by 7 (3%)
264
257
The browser has sent 264 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vtron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
vtron.com
721 ms
www.vtron.com.cn
6188 ms
index.css
1416 ms
layout.css
2130 ms
layout_rey.css
1436 ms
jquery-1.8.3.min.js
2144 ms
web.js
211 ms
jquery.mousewheel.js
236 ms
jquery.cycle.all.js
485 ms
index.js
441 ms
Home.js
468 ms
webindex.js
684 ms
topbg.png
224 ms
logo.png
228 ms
icon01.gif
233 ms
Xindex122.png
227 ms
zimg285.jpg
230 ms
zimg287.jpg
442 ms
zimg289.jpg
689 ms
Xindex126.jpg
944 ms
zimg286.jpg
456 ms
index_06.png
457 ms
index_07.png
647 ms
index_08.png
681 ms
Xindex141.png
703 ms
index_03.png
704 ms
index_04.png
904 ms
index_05.png
927 ms
Xindex140.png
935 ms
2022060213410811.jpg
7575 ms
zimg323.png
955 ms
2022021109185152.jpg
5817 ms
2020101611332321.png
1139 ms
2020101517145992.jpg
3250 ms
2020101614445070.png
1392 ms
2022072011484780.jpg
9255 ms
2020101915384883.jpg
1704 ms
2020101915415817.png
1706 ms
2018052412274991.JPG
5099 ms
2018052412431429.png
3740 ms
zimg322.png
3496 ms
2022080717252288.jpg
3708 ms
2022070114204818.jpg
3930 ms
2022061313490169.jpg
4224 ms
2022011814334033.jpg
4170 ms
index73.jpg
4409 ms
2022082616351778.jpg
5388 ms
2022082209582070.jpg
4616 ms
h.js
1397 ms
2022080717020115.jpg
4638 ms
2022073012530628.jpg
4884 ms
2022072208162088.jpg
5106 ms
2022071607493534.jpg
5112 ms
2022070114111687.jpg
5320 ms
2022062709394056.jpg
5119 ms
2022060821270684.jpg
5175 ms
2022050611001883.jpg
5772 ms
2022040420115509.png
5164 ms
2022031921145201.jpg
5446 ms
2022031321065452.jpg
5381 ms
2022022717155193.png
8323 ms
2022021815271582.png
12535 ms
2022012814101054.jpg
5923 ms
2022012717513288.jpg
7171 ms
2022011813462181.jpg
6582 ms
20211231164737_1407.jpg
7265 ms
2021122114485280.jpg
8347 ms
2021121711043561.jpg
7661 ms
2021121516442362.jpg
7521 ms
21.gif
2252 ms
hm.gif
327 ms
2021120310281935.jpg
7318 ms
2021120214464594.jpg
8850 ms
2021112514570127.jpg
6492 ms
2021111215561942.jpg
5777 ms
2021110216344989.jpg
6942 ms
2021102909375266.jpg
5786 ms
2021102215274167.jpg
7052 ms
2021101811323253.jpg
5568 ms
2021093014480804.jpg
5739 ms
2021092411254664.jpg
6048 ms
2021091815162736.jpg
5578 ms
2021090311472863.jpg
5585 ms
2021082614451895.jpg
5558 ms
2021081211072203.jpg
6054 ms
2021080515372745.jpg
5939 ms
2021072010063043.png
8427 ms
2021070817182781.jpg
5500 ms
2021062416540539.jpg
5586 ms
2021061811260895.png
8372 ms
2021061509270801.jpg
5744 ms
2021060414531627.jpg
5809 ms
2021052809474584.jpg
5907 ms
2021052111394724.png
5761 ms
2021051316145240.jpg
9649 ms
2021042910521298.jpg
5977 ms
2021042509242773.jpg
5253 ms
2021041614134597.jpg
4778 ms
2021040817193329.jpg
5091 ms
2021040213345518.jpg
4435 ms
2021032609133684.png
4576 ms
2021032209115367.jpg
4563 ms
2021031115073316.jpg
4112 ms
2021030514351733.jpg
4220 ms
2021022415425830.jpg
5128 ms
2021022013210806.png
4228 ms
2021020710200494.jpg
5286 ms
2021020714102527.jpg
4434 ms
2021020414355408.jpg
4428 ms
2021012613400608.jpg
8248 ms
2021011916163638.png
9560 ms
2021011411212961.jpg
4214 ms
2021010609520465.jpg
4875 ms
2020123116214352.jpg
3979 ms
2020122515183361.jpg
4222 ms
2020112713490400.jpg
4798 ms
2020111916365310.jpg
4244 ms
2020110416320104.jpg
4471 ms
2020102816084021.jpg
5363 ms
2020092510333588.jpg
4396 ms
20200914093433_0724.jpg
4919 ms
2020090714081118.jpg
4458 ms
2020090210051974.jpg
4577 ms
2020081014022976.png
20351 ms
2020052211425148.jpg
4465 ms
2020043010103429.jpg
4811 ms
20200422163305_6255.jpg
4524 ms
2020041010214658.jpg
4902 ms
2020021919404635.jpg
4371 ms
2020020518232514.jpg
4699 ms
2020011610030825.jpg
4266 ms
2019122714364004.jpg
4377 ms
2019121111022085.jpg
6067 ms
2019112809560395.jpg
4660 ms
2019111815361794.jpg
4059 ms
2019111610091332.jpg
4269 ms
2019110417042323.jpg
4378 ms
2019101712395490.jpg
4917 ms
2019080916274926.jpg
4258 ms
2019072614123902.jpg
4682 ms
2019071911575017.jpg
4307 ms
20190621155050_5971.jpg
4498 ms
2020101614394300.jpg
4726 ms
2019042616545516.jpg
5229 ms
20190412111746_2289.jpg
4284 ms
20190131170502_2769.jpg
4400 ms
2019010809304594.jpg
5335 ms
2018122915142976.jpg
4927 ms
20181225162912_6174.jpg
4110 ms
2022021117043859.jpg
4280 ms
20180525093744_9837.png
20132 ms
20180514165947_4606.png
16948 ms
2018051111000786.jpg
4038 ms
20171013165442_4704.jpg
4139 ms
20170120165726_1744.jpg
6072 ms
20161229095237_5643.jpg
4079 ms
20161202153156_8920.jpg
7157 ms
20160902093538_0025.jpg
4106 ms
20160414164108_9766.jpg
4701 ms
20150807192602_0242.jpg
6367 ms
2020051311214832.jpg
5831 ms
2014112315471234.jpg
6071 ms
2020051311264499.jpg
6133 ms
2014070505521292002.jpg
6164 ms
2020051314545889.jpg
6543 ms
2020051315023970.jpg
6112 ms
2020051315293003.jpg
7349 ms
zimg203.jpg
5946 ms
2015043009234153.png
7311 ms
2020051315393783.jpg
7942 ms
20180330165408_2303.png
13788 ms
20180205160019_4164.jpg
7268 ms
20171128150933_2473.png
12498 ms
2017102617471842.jpg
7922 ms
2017071308423040.png
8613 ms
20170301170723_4389.png
16904 ms
20170122170150_6569.jpg
12296 ms
20161125161341_4657.jpg
12729 ms
20160107093017_4319.jpg
13135 ms
2015121809221776.jpg
14453 ms
20151123093014_7786.jpg
13263 ms
20150724153130_5479.jpg
20319 ms
20150708112807_4723.jpg
20317 ms
2014120909224261.png
17996 ms
2014111418292427.jpg
14269 ms
2014111418390389.jpg
14428 ms
20191015110128_2863.jpg
15275 ms
2017110214403625.jpg
16084 ms
20150930105356_3827.jpg
17503 ms
2015090909443341.png
15722 ms
20150708104234_6118.jpg
15229 ms
2015042917381272.jpg
14844 ms
2015021520253086.jpg
16809 ms
2014120909183433.jpg
14574 ms
2014111711433694.png
15056 ms
2014111711423423.png
16803 ms
2014111711455493.png
16715 ms
2014111711182687.png
15466 ms
2014111711402146.png
15761 ms
2017090816225345.jpg
16171 ms
2015120714311947.jpg
16441 ms
2017090816230706.jpg
15234 ms
2017091416431922.jpg
20221 ms
2015070710082418.jpg
14508 ms
2015070710134111.jpg
14650 ms
2015070710211121.png
19661 ms
index88.jpg
10470 ms
index90.png
10028 ms
index91.png
9651 ms
index92.png
9666 ms
index93.png
9697 ms
2014112711452446.jpg
11048 ms
2015011713000246.jpg
10198 ms
2014112214461905.jpg
9552 ms
2014120118390284.png
9892 ms
2015011915542795.jpg
8940 ms
2014123117021024.jpg
8649 ms
2015012709235414.jpg
9729 ms
2014112211550583.jpg
9700 ms
2014112618160570.jpg
10307 ms
2014112716411445.jpg
8445 ms
2015010618140848.jpg
10372 ms
2015010618142990.jpg
8121 ms
2015010618260495.jpg
8626 ms
2015010618265724.jpg
8006 ms
2015010618264125.jpg
8064 ms
2015010618271123.jpg
8107 ms
2015010618382612.jpg
8638 ms
index104.jpg
7277 ms
zimg223.png
6843 ms
zimg276.png
6930 ms
Xindex133.png
6685 ms
Xindex134.png
6930 ms
Xindex135.png
7056 ms
Xindex136.png
6950 ms
Xindex137.png
7066 ms
Xindex138.png
6787 ms
Xindex139.png
6684 ms
index_10.png
6116 ms
index_11.png
6079 ms
index_12.png
6048 ms
index_14.png
6057 ms
index_107.png
6009 ms
index_108.png
5997 ms
index_105.png
6021 ms
index75.png
5446 ms
index76.png
5085 ms
index82.png
4639 ms
index84.png
4612 ms
index83.png
4596 ms
index85.png
4254 ms
index86.png
3162 ms
index87.jpg
2824 ms
zimg241.jpg
2662 ms
index97.png
2712 ms
index96.jpg
2524 ms
index105.jpg
2348 ms
index110.jpg
2347 ms
index_22.png
2199 ms
zimg160.png
2208 ms
index106.png
2248 ms
index111.jpg
2342 ms
index107.png
2130 ms
index108.png
1917 ms
index109.png
1712 ms
index89.jpg
1724 ms
index95.png
1745 ms
zimg275.jpg
1755 ms
Xindex120.png
1708 ms
Xindex121.png
1668 ms
index74.jpg
1593 ms
vtron.com accessibility score
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
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
Image elements do not have [alt] attributes
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>).
vtron.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
vtron.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vtron.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Vtron.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.
vtron.com
Open Graph description is not detected on the main page of Vtron. 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: