268 ms in total
85 ms
99 ms
84 ms
Visit rdoip.com now to see the best up-to-date Rdoip content and also check out these interesting facts you probably never knew about rdoip.com
半岛电子官方网站股份有限公司(中国)有限公司于2017年11月28日正式挂牌成立,是经党中央、国务院批准,由中国国电集团公司和神华集团有限责任公司联合重组而成的中央骨干能源企业,是国有资本投资公司改革、创建世界一流示范企业的试点企业,拥有煤炭、电力、运输、化工等全产业链业务,产业分布在全国31个省区市以及美国、加拿大等10多个国家和地区,是全球规模最大的煤炭生产公司、火力发电公司、风力发电公司和煤...
Visit rdoip.comWe analyzed Rdoip.com page load time and found that the first response time was 85 ms and then it took 183 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. This domain responded with an error, which can significantly jeopardize Rdoip.com rating and web reputation
rdoip.com performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value13.6 s
0/100
25%
Value7.2 s
30/100
10%
Value980 ms
28/100
30%
Value0.319
36/100
15%
Value11.9 s
16/100
10%
85 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Rdoip.com and no external sources were called. The less responsive or slowest element that took the longest time to load (85 ms) belongs to the original domain Rdoip.com.
Page size can be reduced by 531 B (0%)
447.7 kB
447.2 kB
In fact, the total size of Rdoip.com main page is 447.7 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 424.0 kB which makes up the majority of the site volume.
Potential reduce by 47 B
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 47 B or 28% of the original size.
Potential reduce by 327 B
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. Rdoip images are well optimized though.
Potential reduce by 157 B
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. This website has mostly compressed JavaScripts.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
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rdoip.com accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
rdoip.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Issues were logged in the Issues panel in Chrome Devtools
rdoip.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rdoip.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 Rdoip.com main page’s claimed encoding is . 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}}
rdoip.com
Open Graph description is not detected on the main page of Rdoip. 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: