13 sec in total
3.8 sec
8.8 sec
373 ms
Welcome to oilgas.com.cn homepage info - get ready to check Oilgas best content right away, or after learning these important things about oilgas.com.cn
中国石油化工行业专业网站,即时报道国内石油、石化行业信息,精准、及时,设有原油油品、燃气、燃料油、天然气、有机化工、烯烃、芳烃、醇类、中间体、PE、PP、PS,ABS、期刊、研究报告、月度报告、石脑油、润滑油、溶剂油、石蜡、沥青、石油焦等频道。提供第一手价格和专业的行业报告深度分析,数据库对比查询和直观的价格走势图分析
Visit oilgas.com.cnWe analyzed Oilgas.com.cn page load time and found that the first response time was 3.8 sec and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster. This domain responded with an error, which can significantly jeopardize Oilgas.com.cn rating and web reputation
oilgas.com.cn performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value4.3 s
43/100
25%
Value7.2 s
29/100
10%
Value300 ms
78/100
30%
Value0.093
91/100
15%
Value5.8 s
67/100
10%
3777 ms
768 ms
1095 ms
4216 ms
764 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 97% of them (73 requests) were addressed to the original Oilgas.com.cn, 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Oilgas.com.cn.
Page size can be reduced by 147.4 kB (74%)
198.3 kB
50.9 kB
In fact, the total size of Oilgas.com.cn main page is 198.3 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. 15% of websites need less resources to load. HTML takes 160.0 kB which makes up the majority of the site volume.
Potential reduce by 142.6 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 56.0 kB, which is 35% 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 142.6 kB or 89% of the original size.
Potential reduce by 4.8 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, Oilgas needs image optimization as it can save up to 4.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Number of requests can be reduced by 25 (34%)
73
48
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oilgas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
oilgas.com.cn
3777 ms
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oilgas.com.cn 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.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Definition list items are not wrapped in <dl> elements
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
Links do not have a discernible name
oilgas.com.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
oilgas.com.cn 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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oilgas.com.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 Oilgas.com.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.
oilgas.com.cn
Open Graph description is not detected on the main page of Oilgas. 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: