20.2 sec in total
1.1 sec
18.9 sec
168 ms
Visit rzhg.cn now to see the best up-to-date Rzhg content and also check out these interesting facts you probably never knew about rzhg.cn
江苏瑞和新材料股份有限公司是响水县瑞泽化工有限公司筹资新建的一家集科研、开发、生产、贸易为一体的科技型企业,在瑞泽化工发展的基础之上,拥有领先的氯化高聚物生产工艺技术,主营氯化橡胶。
Visit rzhg.cnWe analyzed Rzhg.cn page load time and found that the first response time was 1.1 sec and then it took 19.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.
rzhg.cn performance score
name
value
score
weighting
Value1.5 s
95/100
10%
Value1.9 s
98/100
25%
Value10.1 s
9/100
10%
Value1,210 ms
20/100
30%
Value0
100/100
15%
Value10.0 s
26/100
10%
1116 ms
1200 ms
527 ms
468 ms
542 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 86% of them (19 requests) were addressed to the original Rzhg.cn, 9% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Rzhg.cn.
Page size can be reduced by 59.1 kB (23%)
251.4 kB
192.4 kB
In fact, the total size of Rzhg.cn main page is 251.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Images take 189.9 kB which makes up the majority of the site volume.
Potential reduce by 9.1 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 9.1 kB or 68% of the original size.
Potential reduce by 26.8 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, Rzhg needs image optimization as it can save up to 26.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 9.5 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 9.5 kB or 30% of the original size.
Potential reduce by 13.7 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. Rzhg.cn needs all CSS files to be minified and compressed as it can save up to 13.7 kB or 83% of the original size.
We found no issues to fix!
20
20
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rzhg. According to our analytics all requests are already optimized.
rzhg.cn
1116 ms
1200 ms
cnkcss.css
527 ms
menu.css
468 ms
menu.js
542 ms
tv.js
545 ms
main_7.jpg
826 ms
main_9.jpg
634 ms
bg.gif
254 ms
banner.jpg
876 ms
more1.gif
236 ms
left_contact.gif
270 ms
pr1.jpg
635 ms
pr5.jpg
502 ms
pr3.jpg
752 ms
pr4.jpg
799 ms
logo.jpg
841 ms
certqcs.jpg
1205 ms
certecs.jpg
1123 ms
ga.js
23 ms
__utm.gif
13 ms
button_old_41.gif
456 ms
rzhg.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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
ARIA toggle fields do not have accessible names
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
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.
rzhg.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
rzhg.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rzhg.cn 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 Rzhg.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.
rzhg.cn
Open Graph description is not detected on the main page of Rzhg. 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: