Tools & Wizards About Us
oem17.com screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

oem17.com

石油产业网——石油产业精准营销 中国领先的垂直型B2B电子商务信息平台！

Page Load Speed

69.3 sec in total

First Response

20.3 sec

Resources Loaded

48.3 sec

Page Rendered

691 ms

oem17.com screenshot

About Website

Visit oem17.com now to see the best up-to-date Oem 17 content and also check out these interesting facts you probably never knew about oem17.com

石油产业网是国内石油产业行业极具专业性和中立性的网络媒介，作为行业化垂直门户中的信息展示平台，石油产业网汇集知名润滑油品牌动态信息，提供基础油、润滑脂以及汽车润滑油、工业润滑油等最新润滑油行业资讯，为各种润滑剂、添加剂、齿轮油、机油企业带来商机。

Visit oem17.com

Key Findings

We analyzed Oem17.com page load time and found that the first response time was 20.3 sec and then it took 49 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 30 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

oem17.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

oem17.com

20279 ms

uaredirect.js

640 ms

jmr_index.css

4585 ms

pic_hua.css

1372 ms

jquery-1.9.1.min.js

18997 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 95% of them (74 requests) were addressed to the original Oem17.com, 3% (2 requests) were made to Hm.baidu.com and 1% (1 request) were made to Siteapp.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) belongs to the original domain Oem17.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 87.9 kB (74%)

Content Size

118.1 kB

After Optimization

30.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oem17.com main page is 118.1 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 86.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 71.2 kB

  • Original 86.8 kB
  • After minification 71.3 kB
  • After compression 15.6 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 15.4 kB, which is 18% 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 71.2 kB or 82% of the original size.

Image Optimization

-18%

Potential reduce by 2.5 kB

  • Original 14.2 kB
  • After minification 11.6 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, Oem 17 needs image optimization as it can save up to 2.5 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-83%

Potential reduce by 13.5 kB

  • Original 16.2 kB
  • After minification 8.4 kB
  • After compression 2.7 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 13.5 kB or 83% of the original size.

CSS Optimization

-66%

Potential reduce by 668 B

  • Original 1.0 kB
  • After minification 938 B
  • After compression 348 B

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. Oem17.com needs all CSS files to be minified and compressed as it can save up to 668 B or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (24%)

Requests Now

46

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oem 17. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

oem17.com

oem17.com

20279 ms

uaredirect.js

uaredirect.js

640 ms

jmr_index.css

jmr_index.css

4585 ms

pic_hua.css

pic_hua.css

1372 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

18997 ms

index.js

index.js

1372 ms

CreateObject.js

CreateObject.js

2276 ms

zzsc.js

zzsc.js

1372 ms

201201011937517187.gif

201201011937517187.gif

4643 ms

top.jpg

top.jpg

497 ms

login_fw_denglu.jpg

login_fw_denglu.jpg

9151 ms

login_fw_zhuce.jpg

login_fw_zhuce.jpg

482 ms

logo.png

logo.png

438 ms

sea_title.jpg

sea_title.jpg

421 ms

textbg.png

textbg.png

493 ms

btnbg.png

btnbg.png

833 ms

navBg.gif

navBg.gif

1004 ms

navLine.gif

navLine.gif

1004 ms

keys.png

keys.png

1000 ms

l.png

l.png

1004 ms

r.png

r.png

1229 ms

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20160204071420.png

10735 ms

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7771 ms

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19533 ms

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20150910042942.JPG

15594 ms

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20121231051552.bmp

19534 ms

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20160204081604.png

19534 ms

title_bg.gif

title_bg.gif

10940 ms

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201502101406007187.gif

16566 ms

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201209191550588428.gif

12446 ms

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201601040836412187.jpg

19533 ms

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201601081116507500.jpg

19534 ms

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201411130822030807.jpg

19534 ms

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201604080919323593.jpg

19535 ms

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20140802092457.jpg

19543 ms

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20121029022638.jpg

19543 ms

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20130105051548.jpg

19544 ms

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20130904102411.gif

19544 ms

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20130904102931.jpg

19544 ms

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20121216054637.gif

19545 ms

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20130702012535.jpg

19545 ms

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19547 ms

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19547 ms

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shengbaolu.gif

19547 ms

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201304251409178593.gif

6118 ms

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20160408104907.jpg

3561 ms

lipai.gif

lipai.gif

1751 ms

ninglong.gif

ninglong.gif

4369 ms

shenyang.gif

shenyang.gif

982 ms

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3009 ms

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201304031245144407.gif

15089 ms

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4355 ms

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201210281326360183.jpg

8870 ms

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201303011348476336.gif

4816 ms

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5649 ms

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11024 ms

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201502101347215468.gif

9142 ms

qq.gif

qq.gif

6160 ms

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20150901025828.jpg

20462 ms

h.js

h.js

782 ms

dalianzhonglian.gif

dalianzhonglian.gif

20116 ms

zhonghuarunhuayou.gif

zhonghuarunhuayou.gif

20100 ms

rongchao.gif

rongchao.gif

20056 ms

kangdahuichuan.gif

kangdahuichuan.gif

20045 ms

lute.gif

lute.gif

20054 ms

aiguo.gif

aiguo.gif

19717 ms

21.gif

21.gif

1008 ms

hm.gif

hm.gif

422 ms

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20120508035534.jpg

19547 ms

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20120508035520.jpg

19546 ms

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20120508035505.jpg

19547 ms

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19547 ms

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20150803045538.gif

20304 ms

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20150902104452.jpg

19763 ms

b_ico.gif

b_ico.gif

12311 ms

gy.bmp

gy.bmp

10724 ms

qg.bmp

qg.bmp

10518 ms

frendsLinksBg.gif

frendsLinksBg.gif

9045 ms

Accessibility Review

oem17.com accessibility score

71

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

oem17.com 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

oem17.com SEO score

98

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Oem17.com 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 Oem17.com 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

oem17.com

Open Graph description is not detected on the main page of Oem 17. 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: