Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

oilgas.com.cn

首页 - 东方油气网 - Powered by oilgas

Page Load Speed

13 sec in total

First Response

3.8 sec

Resources Loaded

8.8 sec

Page Rendered

373 ms

oilgas.com.cn screenshot

About Website

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.cn

Key Findings

We 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

Performance Metrics

oilgas.com.cn performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

43/100

25%

SI (Speed Index)

Value7.2 s

29/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

oilgas.com.cn

3777 ms

bg.gif

768 ms

pinpai.gif

1095 ms

wuhanshjy.gif

4216 ms

xinxifuwu.gif

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 Optimization Overview & Recommendations

Page size can be reduced by 147.4 kB (74%)

Content Size

198.3 kB

After Optimization

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.

HTML Optimization

-89%

Potential reduce by 142.6 kB

  • Original 160.0 kB
  • After minification 104.1 kB
  • After compression 17.4 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.

Image Optimization

-13%

Potential reduce by 4.8 kB

  • Original 38.3 kB
  • After minification 33.5 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, 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.

Requests Breakdown

Number of requests can be reduced by 25 (34%)

Requests Now

73

After Optimization

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.

Accessibility Review

oilgas.com.cn accessibility score

77

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Definition list items are not wrapped in <dl> elements

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

<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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

oilgas.com.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

oilgas.com.cn SEO score

50

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    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.

Social Sharing Optimization

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: