19.4 sec in total
3.8 sec
14.7 sec
820 ms
Click here to check amazing Itavcn content for China. Otherwise, check out these important facts you probably never knew about itavcn.com
数字视听行业最为专业、领先和开放的信息交流平台.为经销商、厂商、系统集成商和最终用户提供最全、最新、最专业的投影机、专业音响、无缝拼接、数字标牌、3D等产品报价、产品评测、前沿技术、市场行情、行业动态、企业信息.
Visit itavcn.comWe analyzed Itavcn.com page load time and found that the first response time was 3.8 sec and then it took 15.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
itavcn.com performance score
name
value
score
weighting
Value2.6 s
62/100
10%
Value10.4 s
0/100
25%
Value8.0 s
22/100
10%
Value490 ms
59/100
30%
Value0.008
100/100
15%
Value15.2 s
7/100
10%
3800 ms
1817 ms
1824 ms
1207 ms
778 ms
Our browser made a total of 146 requests to load all elements on the main page. We found that 88% of them (129 requests) were addressed to the original Itavcn.com, 4% (6 requests) were made to Hm.baidu.com and 1% (2 requests) were made to Pos.baidu.com. The less responsive or slowest element that took the longest time to load (4.7 sec) relates to the external source Zs4.cnzz.com.
Page size can be reduced by 380.1 kB (28%)
1.4 MB
995.7 kB
In fact, the total size of Itavcn.com 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. 55% of websites need less resources to load. Images take 867.8 kB which makes up the majority of the site volume.
Potential reduce by 139.7 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. 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 139.7 kB or 81% of the original size.
Potential reduce by 34.7 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. Itavcn images are well optimized though.
Potential reduce by 165.6 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 165.6 kB or 58% of the original size.
Potential reduce by 40.1 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. Itavcn.com needs all CSS files to be minified and compressed as it can save up to 40.1 kB or 83% of the original size.
Number of requests can be reduced by 38 (27%)
143
105
The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itavcn. 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 as a result speed up the page load time.
itavcn.com
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itavcn.com 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
<object> elements do not have alternate text
itavcn.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
itavcn.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
Document uses plugins
ZH
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itavcn.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Itavcn.com main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
itavcn.com
Open Graph description is not detected on the main page of Itavcn. 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: