2.1 sec in total
502 ms
1.5 sec
180 ms
Welcome to visonicom.com homepage info - get ready to check Visonicom best content right away, or after learning these important things about visonicom.com
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Visit visonicom.comWe analyzed Visonicom.com page load time and found that the first response time was 502 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
visonicom.com performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value11.5 s
0/100
25%
Value7.5 s
26/100
10%
Value760 ms
39/100
30%
Value0.053
98/100
15%
Value7.1 s
51/100
10%
502 ms
127 ms
196 ms
263 ms
134 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Visonicom.com and no external sources were called. The less responsive or slowest element that took the longest time to load (502 ms) belongs to the original domain Visonicom.com.
Page size can be reduced by 674.1 kB (54%)
1.3 MB
582.1 kB
In fact, the total size of Visonicom.com main page is 1.3 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. 30% of websites need less resources to load. Javascripts take 676.0 kB which makes up the majority of the site volume.
Potential reduce by 46.6 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. 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 46.6 kB or 81% of the original size.
Potential reduce by 2.7 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. Visonicom images are well optimized though.
Potential reduce by 476.9 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 476.9 kB or 71% of the original size.
Potential reduce by 147.9 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. Visonicom.com needs all CSS files to be minified and compressed as it can save up to 147.9 kB or 83% of the original size.
Number of requests can be reduced by 13 (41%)
32
19
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Visonicom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
visonicom.com
502 ms
css_6dec2.css
127 ms
css_a2083.css
196 ms
js_8d4b4.js
263 ms
k2.js
134 ms
js_f3fb5.js
392 ms
system.css
90 ms
logo.png
93 ms
en.gif
89 ms
es.gif
87 ms
ru.gif
86 ms
pt.gif
89 ms
fr.gif
216 ms
ar.gif
218 ms
zh_cn.gif
219 ms
shadow.gif
219 ms
grad2.gif
220 ms
grad2-2.gif
222 ms
arrow3.png
221 ms
icon-search.gif
165 ms
dummy.png
175 ms
smt-line2.jpg
202 ms
grad1.gif
149 ms
vline2.gif
150 ms
bullet.gif
152 ms
grad4.gif
181 ms
shadow2.png
75 ms
visonicom.jpg
255 ms
wireless-router.jpg
266 ms
wifi-display_headphones.jpg
147 ms
ap-repeater-xdsl.jpg
234 ms
large_left.png
133 ms
large_right.png
138 ms
visonicom.com 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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
visonicom.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
visonicom.com SEO score
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
Document doesn't have a valid hreflang
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 Visonicom.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 Visonicom.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.
visonicom.com
Open Graph description is not detected on the main page of Visonicom. 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: