28.4 sec in total
5.7 sec
21.5 sec
1.2 sec
Click here to check amazing Center Iresearch content for China. Otherwise, check out these important facts you probably never knew about center.iresearch.cn
艾瑞网聚合互联网数据资讯,融合互联网行业资源,提供电子商务、移动互联网、网络游戏、网络广告、网络营销等行业内容,为互联网管理营销市场运营人士提供丰富的产业数据、报告、专家观点、行业数据库等服务,打造最具影响力的互联网数据资讯聚合平台。
Visit center.iresearch.cnWe analyzed Center.iresearch.cn page load time and found that the first response time was 5.7 sec and then it took 22.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
center.iresearch.cn performance score
name
value
score
weighting
Value7.8 s
0/100
10%
Value12.7 s
0/100
25%
Value10.1 s
9/100
10%
Value270 ms
81/100
30%
Value0.299
40/100
15%
Value14.3 s
9/100
10%
5723 ms
4979 ms
840 ms
830 ms
2728 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Center.iresearch.cn, 55% (42 requests) were made to Iresearch.cn and 39% (30 requests) were made to Pic.iresearch.cn. The less responsive or slowest element that took the longest time to load (7 sec) relates to the external source Hm.baidu.com.
Page size can be reduced by 332.3 kB (31%)
1.1 MB
747.0 kB
In fact, the total size of Center.iresearch.cn main page is 1.1 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. 25% of websites need less resources to load. Images take 763.6 kB which makes up the majority of the site volume.
Potential reduce by 55.9 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 16.1 kB, which is 23% 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 55.9 kB or 81% of the original size.
Potential reduce by 96.5 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. Obviously, Center Iresearch needs image optimization as it can save up to 96.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 100.8 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 100.8 kB or 68% of the original size.
Potential reduce by 79.2 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. Center.iresearch.cn needs all CSS files to be minified and compressed as it can save up to 79.2 kB or 81% of the original size.
Number of requests can be reduced by 18 (24%)
75
57
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Center Iresearch. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
{{url}}
{{time}} ms
center.iresearch.cn 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
[aria-hidden="true"] elements contain focusable descendents
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
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
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.
center.iresearch.cn 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
Issues were logged in the Issues panel in Chrome Devtools
center.iresearch.cn SEO score
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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Center.iresearch.cn 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 Center.iresearch.cn main page’s claimed encoding is gb2312. 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.
{{og_description}}
center.iresearch.cn
Open Graph description is not detected on the main page of Center Iresearch. 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: