Tools & Wizards About Us
osb.com.cn screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

osb.com.cn

欧松板|osb板|定向刨花板|定向结构板-临沂市木林杉新材料有限公司

Page Load Speed

18.6 sec in total

First Response

2.1 sec

Resources Loaded

16.3 sec

Page Rendered

184 ms

osb.com.cn screenshot

About Website

Visit osb.com.cn now to see the best up-to-date Osb content for China and also check out these interesting facts you probably never knew about osb.com.cn

临沂市木林杉新材料有限公司是专业生产欧松板、osb板、定向刨花板等定向结构板生产厂家,生产的欧松板、osb板、定向刨花板质量好,价格优惠！其产品采用高级环保胶粘剂，符合EN300标准！

Visit osb.com.cn

Key Findings

We analyzed Osb.com.cn page load time and found that the first response time was 2.1 sec and then it took 16.5 sec 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.

Performance Metrics

osb.com.cn performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.173

69/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

osb.com.cn

2113 ms

Main.css

436 ms

css.css

441 ms

jquery-1.4.2.js

1304 ms

slide.js

443 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 88% of them (44 requests) were addressed to the original Osb.com.cn, 2% (1 request) were made to S95.cnzz.com and 2% (1 request) were made to Oz.cnzz.com. The less responsive or slowest element that took the longest time to load (8.5 sec) belongs to the original domain Osb.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 339.3 kB (13%)

Content Size

2.6 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Osb.com.cn main page is 2.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 64.6 kB

  • Original 69.8 kB
  • After minification 60.6 kB
  • After compression 5.2 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 9.3 kB, which is 13% 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 64.6 kB or 93% of the original size.

Image Optimization

-5%

Potential reduce by 113.4 kB

  • Original 2.4 MB
  • After minification 2.3 MB

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. Osb images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 147.3 kB

  • Original 181.7 kB
  • After minification 117.8 kB
  • After compression 34.4 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 147.3 kB or 81% of the original size.

CSS Optimization

-85%

Potential reduce by 14.0 kB

  • Original 16.3 kB
  • After minification 13.6 kB
  • After compression 2.4 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. Osb.com.cn needs all CSS files to be minified and compressed as it can save up to 14.0 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (9%)

Requests Now

47

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

osb.com.cn

osb.com.cn

2113 ms

Main.css

Main.css

436 ms

css.css

css.css

441 ms

jquery-1.4.2.js

jquery-1.4.2.js

1304 ms

slide.js

slide.js

443 ms

swfobject.js

swfobject.js

441 ms

logo.jpg

logo.jpg

871 ms

meunbg.jpg

meunbg.jpg

225 ms

meun.jpg

meun.jpg

223 ms

leftbg.jpg

leftbg.jpg

231 ms

ico1.gif

ico1.gif

226 ms

erwei.jpg

erwei.jpg

704 ms

titlebg.jpg

titlebg.jpg

443 ms

tou.gif

tou.gif

447 ms

14155244.jpg

14155244.jpg

920 ms

bg_05.gif

bg_05.gif

471 ms

719172.jpg

719172.jpg

1128 ms

14152311.jpg

14152311.jpg

3341 ms

491441.jpg

491441.jpg

3558 ms

14155847.jpg

14155847.jpg

3794 ms

14155627.jpg

14155627.jpg

1524 ms

493026.jpg

493026.jpg

1390 ms

493335.jpg

493335.jpg

3473 ms

1110719.jpg

1110719.jpg

2628 ms

210166.jpg

210166.jpg

2814 ms

917829.jpg

917829.jpg

3275 ms

15162236.jpg

15162236.jpg

3692 ms

23202848.jpg

23202848.jpg

8011 ms

7191647.jpg

7191647.jpg

4217 ms

5111035.jpg

5111035.jpg

7493 ms

7191710.jpg

7191710.jpg

5776 ms

7191718.jpg

7191718.jpg

5452 ms

7191730.jpg

7191730.jpg

6365 ms

7192021.jpg

7192021.jpg

4883 ms

7192029.jpg

7192029.jpg

5546 ms

7192037.jpg

7192037.jpg

8167 ms

7192044.jpg

7192044.jpg

6423 ms

129559.jpg

129559.jpg

6658 ms

7192059.jpg

7192059.jpg

8509 ms

1295245.jpg

1295245.jpg

6864 ms

5105755.jpg

5105755.jpg

7978 ms

511748.jpg

511748.jpg

7496 ms

stat.php

stat.php

2015 ms

7191641.jpg

7191641.jpg

8158 ms

botbg.jpg

botbg.jpg

7519 ms

stat.htm

stat.htm

167 ms

core.php

core.php

920 ms

9.gif

9.gif

5909 ms

pic.gif

pic.gif

752 ms

app.gif

app.gif

4198 ms

Accessibility Review

osb.com.cn accessibility score

51

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.

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

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

osb.com.cn best practices score

67

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

Browser errors were logged to the console

SEO Factors

osb.com.cn SEO score

82

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

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osb.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 Osb.com.cn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

osb.com.cn

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