4.5 sec in total
345 ms
3.6 sec
565 ms
Visit vissonic.com now to see the best up-to-date VISSONIC content for Iran and also check out these interesting facts you probably never knew about vissonic.com
VISSONIC supplies conference room audio video solutions, which include digital conference system and audio conferencing system. Our products have high quality and competitive prices.
Visit vissonic.comWe analyzed Vissonic.com page load time and found that the first response time was 345 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
vissonic.com performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value10.8 s
0/100
25%
Value9.5 s
11/100
10%
Value690 ms
43/100
30%
Value0.455
20/100
15%
Value10.9 s
21/100
10%
345 ms
1608 ms
75 ms
158 ms
310 ms
Our browser made a total of 69 requests to load all elements on the main page. We found that 78% of them (54 requests) were addressed to the original Vissonic.com, 7% (5 requests) were made to At.alicdn.com and 4% (3 requests) were made to Code.jivosite.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Vissonic.com.
Page size can be reduced by 157.2 kB (8%)
1.9 MB
1.8 MB
In fact, the total size of Vissonic.com main page is 1.9 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 32.0 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. This page needs HTML code to be minified as it can gain 8.8 kB, which is 22% 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 32.0 kB or 81% of the original size.
Potential reduce by 787 B
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. VISSONIC images are well optimized though.
Potential reduce by 2.4 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. This website has mostly compressed JavaScripts.
Potential reduce by 122.0 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. Vissonic.com needs all CSS files to be minified and compressed as it can save up to 122.0 kB or 99% of the original size.
Number of requests can be reduced by 30 (48%)
62
32
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VISSONIC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
vissonic.com
345 ms
vissonic.com
1608 ms
banner_style0618.css
75 ms
slogo.css
158 ms
style_v1.css
310 ms
slogo.css
273 ms
font_3229923_is02d0yew4l.css
336 ms
dhejKrB7Iv
201 ms
js
113 ms
ey_global.js
269 ms
css
65 ms
font_2886688_xlviku9dpha.css
328 ms
font_2886688_kfi4u0i24ol.css
330 ms
iconfont.css
536 ms
classy-nav_v0615.css
276 ms
js-sdk-pro.min.js
239 ms
jquery-2.2.4.min.js
420 ms
popper.min.js
352 ms
bootstrap.min.js
402 ms
plugins.js
809 ms
active_v0615.js
334 ms
banner_v0615.js
363 ms
EasyLazyload.min.js
400 ms
ey_footer.js
478 ms
dhejKrB7Iv
329 ms
bootstrap.min.css
282 ms
classy-nav.css
206 ms
owl.carousel.min.css
179 ms
animate.css
236 ms
magnific-popup.css
244 ms
font-awesome.min.css
239 ms
dhejKrB7Iv
726 ms
js
135 ms
5gxgg.jpg
315 ms
logo.svg
210 ms
vissonic_wxcp.svg
206 ms
vissonic_wxwl.svg
203 ms
vissonic_szjk.svg
198 ms
vissonic_hyqd.svg
196 ms
vissonic_tscy.svg
207 ms
vissonic_jtxx.svg
278 ms
vissonic_jtxs.svg
279 ms
vissonic_szjs.svg
280 ms
vissonic_tmsvg.svg
279 ms
vis_dmd_t_zm.jpg
409 ms
vis_maw_t_zm.jpg
314 ms
VIS-DSC-DSD-T-Wired-Digital-Dual-Channels-Chairman-Delegate-Unit.jpg
368 ms
wzh201.jpg
435 ms
VIS-WDC-WDD-T-Wireless-Digital-Discussion-Chairman-Delegate-Unit.jpg
297 ms
VIS-VLI703A_series_Digital_Infrared_Receivers.jpg
298 ms
VIS-BDY-F-Flush-mount-boundary-Microphone.jpg
370 ms
VIS-FFC-F1-Flush-mounting-all-in-one-discussion_Selector.jpg
369 ms
updated_Button-VIS-DOC_DOD-T.jpg
462 ms
vis_dcp2000_w_r.jpg
495 ms
vis-pta-t.jpg
493 ms
fbsxgg.jpg
554 ms
wzhxgg2.jpg
564 ms
logo_footer.svg
369 ms
news-bg.jpg
431 ms
bannerpdf9.jpg
376 ms
iconfont.woff
304 ms
font_2886688_kfi4u0i24ol.woff
456 ms
font_2886688_xlviku9dpha.woff
382 ms
classy.ttf
406 ms
fontawesome-webfont.woff
493 ms
analytics.js
80 ms
almaty_central_office8.jpg
419 ms
collect
39 ms
bundle_en_US.js
14 ms
vissonic.com 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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
vissonic.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
vissonic.com 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
Image elements do not have [alt] attributes
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 Vissonic.com 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 Vissonic.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.
vissonic.com
Open Graph description is not detected on the main page of VISSONIC. 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: