740 ms in total
113 ms
366 ms
261 ms
Visit rdchain.com now to see the best up-to-date Rdchain content and also check out these interesting facts you probably never knew about rdchain.com
Rudong Chain Works has been a professional manufacturer of link chains since 1971, including regular steel link chains, high tensile chains, stainless steel
Visit rdchain.comWe analyzed Rdchain.com page load time and found that the first response time was 113 ms and then it took 627 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
rdchain.com performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value7.5 s
4/100
25%
Value14.8 s
1/100
10%
Value8,340 ms
0/100
30%
Value0.823
4/100
15%
Value15.2 s
7/100
10%
113 ms
49 ms
40 ms
59 ms
53 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Rdchain.com and no external sources were called. The less responsive or slowest element that took the longest time to load (216 ms) belongs to the original domain Rdchain.com.
Page size can be reduced by 12.1 kB (51%)
23.6 kB
11.5 kB
In fact, the total size of Rdchain.com main page is 23.6 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 14.5 kB which makes up the majority of the site volume.
Potential reduce by 4.1 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. This page needs HTML code to be minified as it can gain 946 B, which is 17% 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 4.1 kB or 72% of the original size.
Potential reduce by 5.4 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, Rdchain needs image optimization as it can save up to 5.4 kB or 37% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 2.6 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. Rdchain.com needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 76% of the original size.
We found no issues to fix!
22
22
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rdchain. According to our analytics all requests are already optimized.
rdchain.com
113 ms
style.css
49 ms
yuyan.gif
40 ms
index_05.gif
59 ms
index_09.gif
53 ms
ss.gif
50 ms
index_10.gif
42 ms
index_16.gif
67 ms
fac.gif
83 ms
index_23.gif
64 ms
img.gif
80 ms
img2.gif
82 ms
img3.gif
92 ms
img4.gif
110 ms
index_30.gif
98 ms
bg2.jpg
108 ms
top.gif
124 ms
index_27.gif
80 ms
index_13.gif
87 ms
index_12.gif
216 ms
index_21.gif
122 ms
cp.gif
171 ms
detail.gif
123 ms
rdchain.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.
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
Links do not have a discernible name
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.
rdchain.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
rdchain.com 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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rdchain.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 Rdchain.com main page’s claimed encoding is iso-8859-1. 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.
rdchain.com
Open Graph description is not detected on the main page of Rdchain. 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: