Tools & Wizards About Us
oachn.net screenshot

Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

oachn.net

打印机维修论坛-打印机维修教程_培训-打印机论坛-办公中国

Page Load Speed

34.5 sec in total

First Response

2 sec

Resources Loaded

32.2 sec

Page Rendered

213 ms

oachn.net screenshot

About Website

Visit oachn.net now to see the best up-to-date Oachn content for China and also check out these interesting facts you probably never knew about oachn.net

办公中国北京打印机维修论坛,提供打印机维修资料的打印机论坛,专注打印机维修培训,打印机维修教程,打印机维修手册,打印机维修视频,打印机维修技术的打印机维修网站及打印机论坛。

Visit oachn.net

Key Findings

We analyzed Oachn.net page load time and found that the first response time was 2 sec and then it took 32.5 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 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

oachn.net performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.165

71/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

oachn.net

1998 ms

www.oachn.net

7187 ms

style_1_common.css

6050 ms

style_1_vip_CURMODULE.css

3326 ms

common.js

3647 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 97% of them (34 requests) were addressed to the original Oachn.net, 3% (1 request) were made to Discuz.gtimg.cn. The less responsive or slowest element that took the longest time to load (19.6 sec) belongs to the original domain Oachn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 227.4 kB (34%)

Content Size

670.9 kB

After Optimization

443.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Oachn.net main page is 670.9 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. Only 5% of websites need less resources to load. Images take 398.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 123.2 kB

  • Original 150.2 kB
  • After minification 149.2 kB
  • After compression 27.0 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. 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 123.2 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 13.4 kB

  • Original 398.8 kB
  • After minification 385.4 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. Oachn images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 44.3 kB

  • Original 61.9 kB
  • After minification 53.5 kB
  • After compression 17.6 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 44.3 kB or 72% of the original size.

CSS Optimization

-77%

Potential reduce by 46.5 kB

  • Original 60.0 kB
  • After minification 58.7 kB
  • After compression 13.5 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. Oachn.net needs all CSS files to be minified and compressed as it can save up to 46.5 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (33%)

Requests Now

30

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oachn. 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

oachn.net

oachn.net

1998 ms

www.oachn.net

www.oachn.net

7187 ms

style_1_common.css

style_1_common.css

6050 ms

style_1_vip_CURMODULE.css

style_1_vip_CURMODULE.css

3326 ms

common.js

common.js

3647 ms

portal.js

portal.js

717 ms

fanti.js

fanti.js

5028 ms

logging.js

logging.js

1689 ms

discuz_tips.js

discuz_tips.js

448 ms

background.png

background.png

681 ms

002956m1lgelgiipp1p8oq.png

002956m1lgelgiipp1p8oq.png

682 ms

new.gif

new.gif

682 ms

vip960.jpg

vip960.jpg

1738 ms

huadao.jpg

huadao.jpg

1823 ms

peixun.jpg

peixun.jpg

8008 ms

weixiuguangpan96075.jpg

weixiuguangpan96075.jpg

8112 ms

ad_close.gif

ad_close.gif

1328 ms

2345.jpg

2345.jpg

2033 ms

site_qq.jpg

site_qq.jpg

1988 ms

px.png

px.png

1807 ms

newarow.gif

newarow.gif

1928 ms

pn.png

pn.png

19608 ms

nv.png

nv.png

3705 ms

qmenu.png

qmenu.png

2748 ms

nv_a.png

nv_a.png

4499 ms

nav_bg3.jpg

nav_bg3.jpg

19607 ms

comiis_ico.png

comiis_ico.png

5665 ms

search.png

search.png

15205 ms

arrwd.gif

arrwd.gif

7794 ms

vline.png

vline.png

9946 ms

info.gif

info.gif

8610 ms

member.php

member.php

14074 ms

scrolltop.png

scrolltop.png

10465 ms

loading.gif

loading.gif

10563 ms

none.gif

none.gif

1957 ms

Accessibility Review

oachn.net accessibility score

48

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

High

Links do not have a discernible name

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

oachn.net 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

oachn.net SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Oachn.net 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 Oachn.net main page’s claimed encoding is gbk. 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

oachn.net

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