Tools & Wizards About Us
vissonic.com screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

vissonic.com

Digital Conference System, Audio Conferencing System - VISSONIC

Page Load Speed

3.8 sec in total

First Response

366 ms

Resources Loaded

2.8 sec

Page Rendered

651 ms

vissonic.com screenshot

About Website

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.com

Key Findings

We analyzed Vissonic.com page load time and found that the first response time was 366 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

vissonic.com performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value29.1 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,040 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.451

20/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

vissonic.com

366 ms

vissonic.com

832 ms

banner_style0618.css

71 ms

slogo.css

141 ms

dhejKrB7Iv

250 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 85% of them (72 requests) were addressed to the original Vissonic.com, 7% (6 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 (1.4 sec) relates to the external source Sdk.51.la.

Page Optimization Overview & Recommendations

Page size can be reduced by 122.8 kB (3%)

Content Size

4.2 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vissonic.com main page is 4.2 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. 50% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 49.1 kB

  • Original 57.7 kB
  • After minification 39.9 kB
  • After compression 8.7 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 17.8 kB, which is 31% 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 49.1 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 13.8 kB

  • Original 3.6 MB
  • After minification 3.6 MB

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.

JavaScript Optimization

-4%

Potential reduce by 18.5 kB

  • Original 450.6 kB
  • After minification 450.6 kB
  • After compression 432.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-49%

Potential reduce by 41.3 kB

  • Original 83.6 kB
  • After minification 68.8 kB
  • After compression 42.3 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. Vissonic.com needs all CSS files to be minified and compressed as it can save up to 41.3 kB or 49% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (32%)

Requests Now

77

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 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 11 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vissonic.com

vissonic.com

366 ms

vissonic.com

vissonic.com

832 ms

banner_style0618.css

banner_style0618.css

71 ms

slogo.css

slogo.css

141 ms

dhejKrB7Iv

dhejKrB7Iv

250 ms

style_min.css

style_min.css

211 ms

slogo.css

slogo.css

216 ms

font_2886688_33t4zivqj64.css

font_2886688_33t4zivqj64.css

103 ms

js

js

81 ms

css

css

40 ms

font_2886688_xlviku9dpha.css

font_2886688_xlviku9dpha.css

103 ms

font_2886688_kfi4u0i24ol.css

font_2886688_kfi4u0i24ol.css

110 ms

iconfont.css

iconfont.css

525 ms

classy-nav_v0615.css

classy-nav_v0615.css

214 ms

js-sdk-pro.min.js

js-sdk-pro.min.js

1381 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

279 ms

popper.min.js

popper.min.js

213 ms

bootstrap.min.js

bootstrap.min.js

285 ms

plugins.js

plugins.js

425 ms

active_v0615.js

active_v0615.js

275 ms

banner_v1110.js

banner_v1110.js

279 ms

EasyLazyload.min.js

EasyLazyload.min.js

279 ms

bootstrap.min.css

bootstrap.min.css

210 ms

classy-nav.css

classy-nav.css

142 ms

owl.carousel.min.css

owl.carousel.min.css

146 ms

animate.css

animate.css

147 ms

magnific-popup.css

magnific-popup.css

150 ms

font-awesome.min.css

font-awesome.min.css

218 ms

dhejKrB7Iv

dhejKrB7Iv

206 ms

logo.svg

logo.svg

108 ms

interpreter_worry-free.svg

interpreter_worry-free.svg

104 ms

interpreter_user-centered.svg

interpreter_user-centered.svg

77 ms

interpreter_visual-operation.svg

interpreter_visual-operation.svg

106 ms

vissonic_tmsvg.svg

vissonic_tmsvg.svg

110 ms

vissonic_wxcp.svg

vissonic_wxcp.svg

80 ms

vissonic_wxwl.svg

vissonic_wxwl.svg

160 ms

vissonic_szjk.svg

vissonic_szjk.svg

173 ms

vissonic_hyqd.svg

vissonic_hyqd.svg

174 ms

vissonic_tscy.svg

vissonic_tscy.svg

175 ms

VSmatrix_4k60Hz.svg

VSmatrix_4k60Hz.svg

162 ms

VSmatrix_PIPoverlay.svg

VSmatrix_PIPoverlay.svg

159 ms

VSmatrix_FPGA.svg

VSmatrix_FPGA.svg

240 ms

TFT.svg

TFT.svg

236 ms

stable.svg

stable.svg

234 ms

environment.svg

environment.svg

240 ms

quick.svg

quick.svg

240 ms

vissonic_jtxx.svg

vissonic_jtxx.svg

237 ms

vissonic_jtxs.svg

vissonic_jtxs.svg

304 ms

vissonic_szjs.svg

vissonic_szjs.svg

306 ms

vis_dmd_t_gooseneck.jpg

vis_dmd_t_gooseneck.jpg

378 ms

VIS-DSC-DSD-T-Wired-Digital-Dual-Channels-Chairman-Delegate-Unit.jpg

VIS-DSC-DSD-T-Wired-Digital-Dual-Channels-Chairman-Delegate-Unit.jpg

382 ms

VIS-MAW-T_wireless_Touch_Screen_Unit_Type-c_sideview.jpg

VIS-MAW-T_wireless_Touch_Screen_Unit_Type-c_sideview.jpg

379 ms

VIS-WDC-WDD-T-Wireless-Digital-Discussion-Chairman-Delegate-Unit.jpg

VIS-WDC-WDD-T-Wireless-Digital-Discussion-Chairman-Delegate-Unit.jpg

452 ms

vis_703a.jpg

vis_703a.jpg

441 ms

VIS_LSSC_2.jpg

VIS_LSSC_2.jpg

515 ms

VIS_LSSC_1.jpg

VIS_LSSC_1.jpg

582 ms

vs_matrix.jpg

vs_matrix.jpg

521 ms

VIS-NP10T-W_Wireless_Conference_NamePlate.jpg

VIS-NP10T-W_Wireless_Conference_NamePlate.jpg

599 ms

VIS-DVOT-TL.jpg

VIS-DVOT-TL.jpg

582 ms

VIS-CKB2_Precision_Camera_Controller.jpg

VIS-CKB2_Precision_Camera_Controller.jpg

593 ms

VIS-VLI701B_Infrared_Radiator-1.jpg

VIS-VLI701B_Infrared_Radiator-1.jpg

655 ms

VIS-TAMCH-B-side.jpg

VIS-TAMCH-B-side.jpg

596 ms

VIS_NP7-1.jpg

VIS_NP7-1.jpg

720 ms

VIS_LSSCM_3.jpg

VIS_LSSCM_3.jpg

724 ms

5ghy.jpg

5ghy.jpg

293 ms

znjz.jpg

znjz.jpg

425 ms

wzhy.jpg

wzhy.jpg

296 ms

logo_footer.svg

logo_footer.svg

225 ms

Government_of_Spain_Catalonia-1.jpg

Government_of_Spain_Catalonia-1.jpg

669 ms

dhejKrB7Iv

dhejKrB7Iv

561 ms

Modular_Paperless_Conference_in_Costa_Rica-5.jpg

Modular_Paperless_Conference_in_Costa_Rica-5.jpg

602 ms

Spain-government_branch_1.jpg

Spain-government_branch_1.jpg

673 ms

The_Supreme_Court_of_Justice_in_Chile-cover.jpg

The_Supreme_Court_of_Justice_in_Chile-cover.jpg

623 ms

ISE_barcelona_2025.jpg

ISE_barcelona_2025.jpg

707 ms

prolightsound_guangzhou2024.jpg

prolightsound_guangzhou2024.jpg

655 ms

infocomm_beijing2024.jpg

infocomm_beijing2024.jpg

711 ms

iconfont.woff

iconfont.woff

181 ms

font_2886688_kfi4u0i24ol.woff

font_2886688_kfi4u0i24ol.woff

485 ms

font_2886688_xlviku9dpha.woff

font_2886688_xlviku9dpha.woff

508 ms

font_2886688_33t4zivqj64.woff

font_2886688_33t4zivqj64.woff

454 ms

classy.ttf

classy.ttf

643 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

632 ms

bannerpdf9.jpg

bannerpdf9.jpg

142 ms

news-bg.jpg

news-bg.jpg

77 ms

bundle_en_US.js

bundle_en_US.js

51 ms

Accessibility Review

vissonic.com accessibility score

60

Accessibility Issues

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[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

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

vissonic.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vissonic.com SEO score

75

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    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.

Social Sharing Optimization

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: