4.1 sec in total
421 ms
3.2 sec
539 ms
Welcome to vcan.hk homepage info - get ready to check Vcan best content right away, or after learning these important things about vcan.hk
iVcan.com China Vcan Group Limited, DVB-T2 ISDB-T Digital TV, Wireless Video Transmitter UAV UGV USV data link, HDMI SDI transmission China manufacturer Factory
Visit vcan.hkWe analyzed Vcan.hk page load time and found that the first response time was 421 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster. This domain responded with an error, which can significantly jeopardize Vcan.hk rating and web reputation
vcan.hk performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value13.2 s
0/100
25%
Value6.2 s
43/100
10%
Value3,500 ms
1/100
30%
Value0.735
6/100
15%
Value14.3 s
9/100
10%
421 ms
248 ms
310 ms
127 ms
128 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 60% of them (55 requests) were addressed to the original Vcan.hk, 28% (26 requests) were made to Sharebutton.net and 5% (5 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Sharebutton.net.
Page size can be reduced by 270.9 kB (19%)
1.4 MB
1.1 MB
In fact, the total size of Vcan.hk main page is 1.4 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 61.5 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. 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 61.5 kB or 84% of the original size.
Potential reduce by 70.8 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. Vcan images are well optimized though.
Potential reduce by 102.4 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 102.4 kB or 45% of the original size.
Potential reduce by 36.3 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. Vcan.hk needs all CSS files to be minified and compressed as it can save up to 36.3 kB or 77% of the original size.
Number of requests can be reduced by 18 (20%)
89
71
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vcan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
vcan.hk
421 ms
css.css
248 ms
jquery.min.js
310 ms
contentslider.js
127 ms
2.js
128 ms
ajax.js
124 ms
util.js
125 ms
popwin.js
139 ms
language.js
140 ms
element.js
33 ms
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vcan-logo.png
102 ms
search.gif
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vcanhk-ad.jpg
125 ms
bg_menu.png
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menu_title.png
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bg_menu1.png
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menuselect.png
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China-ISDB-T.jpg
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DVB-T2.png
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DVB-T2S-Micro-USB-Digital-DVB-T-DVB-T2-TV-Tuner-Receiver-for-android-pad.jpg
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DVB-T2-Thailand-russia-colombia.jpg
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DVB-T22-2X2-2-tuner-antenna-Car-DVB-T2-diversity-high-speed-Russia-Thailand-7.jpg
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DVB-T2100HD-Car-DVB-T-MPEG4-H.264-2-tuner-PVR-USB-Record-TDT-TNT.jpg
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Philippines-Manila-Mandaluyon-ISDB-T.jpg
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DVB-T24_4_tuner_4_Antenna_car_dvb-t2_tv_receiver.jpg
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flash.gif
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DVB-T2100HD_Car_DVB-T_MPEG4_H.264_2_tuner_PVR_USB_Record_s.jpg
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DVB-T2U_USB_DVB-T2_PC_DTV_receiver_DVB-T2_DVB-T_DVB-C_SDR_FM_DAB_TV_STICK-s.jpg
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ISDB-T7800-4X4-Japanese-Digital-full-seg-DTV-diversity.jpg
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DVB-T2I_Android_DVB-T2_DVB-T_TV_receiver_for_Phone_Pad_Micro_USB_TV_tuner-s.jpg
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DVB-T221_Car_DVB-T2_DVB-T_MULTI_PLP_Digital_TV_Receiver_sony_ew300.jpg
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VCAN-Buy-now.jpg
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VCAN_contact_1.jpg
541 ms
VCAN1047_Philippines_Home_ISDB-T_DTT_Digital_TV_Receiver_Tuner_ISDB.jpg
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DVB-T221_Car_DVB-T2_DVB-T_MULTI_PLP_Digital_TV_Receiver_s.jpg
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DTV700-7-inch-Digital-TV-Analog-TV-USB-TF-MP5-player-AV-in-Rechargeable-Battery-s.jpg
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VCAN1092_Philippines_Car_ISDB-T_Philippines_Digital_TV_Receiver-s.jpg
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DVB-T22-2X2-two-tuner-antenna-Car-DVB-T2-diversity-high-speed-for-Russia-s.jpg
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DVB-T2S-Micro-USB-Digital-DVB-T-DVB-T2-TV-Tuner-Receiver-for-android-pad-s.jpg
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DVB-T220-Car-DVB-T2-Digital-TV-receiver-two-tuner-dual-antenna-twin-DTV-s_1.jpg
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VCAN0961_Car_DVB-T_DVB-T2_antenna_Waterproof_High-gain_TV_aerial-s.jpg
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dvb-t24-4-tuner-4-antenna-car-DVB-T2-high-speed-diversity-tv-box-for-Russia-Thailand-S.jpg
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DVB-T240-4-x-4-Tuner-Antenna-Car-dvb-t2-digital-receiver-s.jpg
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DTV900-9-inch-Digital-TV-Analog-TV-USB-TF-MP5-player-AV-in-Rechargeable-Battery-s.jpg
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DVB-T7000-MPEG4-car-DVB-T-HD-SD-Digital-TV-receiver-s.jpg
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sharebutton.php
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translateelement.css
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vcan.hk 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.
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 IDs are not unique
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
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.
vcan.hk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
vcan.hk SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Document doesn't have a valid hreflang
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vcan.hk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Vcan.hk 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.
vcan.hk
Open Graph description is not detected on the main page of Vcan. 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: