14.1 sec in total
363 ms
13 sec
664 ms
Welcome to onvcom.com homepage info - get ready to check ONV Com best content for Turkey right away, or after learning these important things about onvcom.com
As a professional China factory-direct manufacturer, Optical Network Video Technologies (Shenzhen) Co., Ltd can always provide you top quality and high performance PoE switches, Ethernet switches, ind...
Visit onvcom.comWe analyzed Onvcom.com page load time and found that the first response time was 363 ms and then it took 13.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
onvcom.com performance score
name
value
score
weighting
Value2.4 s
71/100
10%
Value6.4 s
10/100
25%
Value5.7 s
51/100
10%
Value180 ms
92/100
30%
Value0.394
26/100
15%
Value7.4 s
49/100
10%
363 ms
432 ms
56 ms
116 ms
277 ms
Our browser made a total of 106 requests to load all elements on the main page. We found that 80% of them (85 requests) were addressed to the original Onvcom.com, 4% (4 requests) were made to Api.map.baidu.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (8.1 sec) relates to the external source Dlswbr.baidu.com.
Page size can be reduced by 538.4 kB (8%)
6.7 MB
6.2 MB
In fact, the total size of Onvcom.com main page is 6.7 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. 65% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.
Potential reduce by 45.5 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. This page needs HTML code to be minified as it can gain 12.2 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 45.5 kB or 83% of the original size.
Potential reduce by 459.5 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. ONV Com images are well optimized though.
Potential reduce by 28.6 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 28.6 kB or 18% of the original size.
Potential reduce by 4.7 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. Onvcom.com needs all CSS files to be minified and compressed as it can save up to 4.7 kB or 12% of the original size.
Number of requests can be reduced by 24 (24%)
102
78
The browser has sent 102 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ONV Com. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.
onvcom.com
363 ms
onvcom.com
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owl.carousel.css
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onvcom.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
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.
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
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.
onvcom.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
Issues were logged in the Issues panel in Chrome Devtools
onvcom.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Onvcom.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Onvcom.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.
onvcom.com
Open Graph description is not detected on the main page of ONV Com. 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: