Tools & Wizards About Us
51penma.com screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

51penma.com

凯时

Page Load Speed

58.6 sec in total

First Response

10.1 sec

Resources Loaded

48.2 sec

Page Rendered

312 ms

51penma.com screenshot

About Website

Welcome to 51penma.com homepage info - get ready to check 51 Penma best content right away, or after learning these important things about 51penma.com

中国喷码机信息网是喷码机行业网站，专业提供喷码机厂家以及喷码机品牌代理商的最新产品型号和喷码机价格行情，为喷码机专业人士及喷码机买家提供最有价值的行业信息。

Visit 51penma.com

Key Findings

We analyzed 51penma.com page load time and found that the first response time was 10.1 sec and then it took 48.5 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 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

51penma.com performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value4.4 s

84/100

10%

Network Requests Diagram

51penma.com

10139 ms

www.51penma.com

4992 ms

style.css

970 ms

cms.css

2468 ms

inc.js

2494 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 98% of them (100 requests) were addressed to the original 51penma.com, 1% (1 request) were made to Gb.cri.cn and 1% (1 request) were made to Linservice.com.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain 51penma.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.9 kB (37%)

Content Size

262.7 kB

After Optimization

165.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51penma.com main page is 262.7 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. 30% of websites need less resources to load. Images take 149.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 64.1 kB

  • Original 75.8 kB
  • After minification 71.8 kB
  • After compression 11.7 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 64.1 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 3.9 kB

  • Original 149.9 kB
  • After minification 146.0 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. 51 Penma images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 12.1 kB

  • Original 16.8 kB
  • After minification 14.5 kB
  • After compression 4.7 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 12.1 kB or 72% of the original size.

CSS Optimization

-83%

Potential reduce by 16.7 kB

  • Original 20.1 kB
  • After minification 14.6 kB
  • After compression 3.4 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. 51penma.com needs all CSS files to be minified and compressed as it can save up to 16.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (28%)

Requests Now

96

After Optimization

69

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51 Penma. 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

51penma.com

51penma.com

10139 ms

www.51penma.com

www.51penma.com

4992 ms

style.css

style.css

970 ms

cms.css

cms.css

2468 ms

inc.js

inc.js

2494 ms

default.js

default.js

1401 ms

swfobject.js

swfobject.js

1738 ms

jquery-1.2.6.min.js

jquery-1.2.6.min.js

3033 ms

sliding.js

sliding.js

2893 ms

main.css

main.css

4707 ms

9421516794596190294.jpg

9421516794596190294.jpg

748 ms

545b74d8429a0.jpg

545b74d8429a0.jpg

8858 ms

logo.gif

logo.gif

948 ms

1_20150121100117_MQ==.gif

1_20150121100117_MQ==.gif

1831 ms

1_20150121100159_MQ==.png

1_20150121100159_MQ==.png

3084 ms

1_20150121100102_MQ==.png

1_20150121100102_MQ==.png

3288 ms

1_20150708140758_MjAxNTA3MDgxNDE4MzgzMA==.gif

1_20150708140758_MjAxNTA3MDgxNDE4MzgzMA==.gif

3335 ms

1_20150121100102_MTI=.gif

1_20150121100102_MTI=.gif

3959 ms

1_20150130160105_MQ==.gif

1_20150130160105_MQ==.gif

3910 ms

858_20150708100740_Njkw.jpg.gif

858_20150708100740_Njkw.jpg.gif

7061 ms

858_20150928080928_JUNEJUZFJUMxJUE2NjMw.jpg.gif

858_20150928080928_JUNEJUZFJUMxJUE2NjMw.jpg.gif

7894 ms

858_20150715100726_ODEw.jpg.gif

858_20150715100726_ODEw.jpg.gif

5879 ms

858_20150715100727_NzMw.jpg.gif

858_20150715100727_NzMw.jpg.gif

7542 ms

858_20150715100709_MTIxMA==.jpg.gif

858_20150715100709_MTIxMA==.jpg.gif

8317 ms

858_20150722170751_MTIxMA==.jpg.gif

858_20150722170751_MTIxMA==.jpg.gif

10027 ms

858_20150722170734_NjUw.jpg.gif

858_20150722170734_NjUw.jpg.gif

11049 ms

858_20150909090904_NzA2.jpg.gif

858_20150909090904_NzA2.jpg.gif

8112 ms

858_20150909090948_NTA2.jpg.gif

858_20150909090948_NTA2.jpg.gif

8976 ms

858_20150909090927_NTA2.jpg.gif

858_20150909090927_NTA2.jpg.gif

8851 ms

858_20150909090902_JUI5JUUyJUNGJUNCMTBXLTgwNg==.jpg.gif

858_20150909090902_JUI5JUUyJUNGJUNCMTBXLTgwNg==.jpg.gif

10211 ms

867_20150730100719_MTQxNjg1ODE5Mjg4ODk1MzEyNw==.png.gif

867_20150730100719_MTQxNjg1ODE5Mjg4ODk1MzEyNw==.png.gif

11027 ms

410_20150126100154_ZWNqLTMwMDI=.jpg.gif

410_20150126100154_ZWNqLTMwMDI=.jpg.gif

11209 ms

410_20150123140127_UVElQ0QlQkMlQzYlQUMyMDE0MDEyMjE0NDU1OQ==.jpg.gif

410_20150123140127_UVElQ0QlQkMlQzYlQUMyMDE0MDEyMjE0NDU1OQ==.jpg.gif

12455 ms

249_20150116090109_U09KRVQlQkMlQTYlQjUlQjAlQzUlRTclQzIlRUIx.jpg.gif

249_20150116090109_U09KRVQlQkMlQTYlQjUlQjAlQzUlRTclQzIlRUIx.jpg.gif

13862 ms

296_20150115090133_MTQxMDQxOTk5NA==.jpg.gif

296_20150115090133_MTQxMDQxOTk5NA==.jpg.gif

19886 ms

415_20150121160109_JUJDJUE2JUI1JUIwJUM1JUU3JUMyJUVC.jpg.gif

415_20150121160109_JUJDJUE2JUI1JUIwJUM1JUU3JUMyJUVC.jpg.gif

15803 ms

414_20150203090257_SEs4MjAw.jpg.gif

414_20150203090257_SEs4MjAw.jpg.gif

15759 ms

249_20150114090104_TkFOTw==.jpg.gif

249_20150114090104_TkFOTw==.jpg.gif

12132 ms

324_20150115110109_MjAxNDUyODIyMTIzMDgwNg==.jpg.gif

324_20150115110109_MjAxNDUyODIyMTIzMDgwNg==.jpg.gif

13529 ms

305_20150114110112_MjAxNDEwMDkxNDEyODM4NDIzNTg3.jpg.gif

305_20150114110112_MjAxNDEwMDkxNDEyODM4NDIzNTg3.jpg.gif

18438 ms

324_20150115110134_MjAxNDUyODIyMjQ1MTQyMw==.jpg.gif

324_20150115110134_MjAxNDUyODIyMjQ1MTQyMw==.jpg.gif

17393 ms

410_20150117090107_ODQzNWU1ZGRlNzExOTBlZjZlNTVjODg3Y2QxYjlkMTZmZGZhNjAzZg==.jpg.gif

410_20150117090107_ODQzNWU1ZGRlNzExOTBlZjZlNTVjODg3Y2QxYjlkMTZmZGZhNjAzZg==.jpg.gif

17610 ms

249_20150115090105_TFM1NTAlQ0QlQkMlQzYlQUMx.jpg.gif

249_20150115090105_TFM1NTAlQ0QlQkMlQzYlQUMx.jpg.gif

19883 ms

1_20150121100113_MQ==.jpg

1_20150121100113_MQ==.jpg

17233 ms

1_20150121100130_MQ==.jpg

1_20150121100130_MQ==.jpg

19824 ms

1_20150121090129_MQ==.jpg

1_20150121090129_MQ==.jpg

20434 ms

hack.php

hack.php

17545 ms

1_20150130160154_Mg==.gif

1_20150130160154_Mg==.gif

18963 ms

1_20150123170104_MQ==.jpg

1_20150123170104_MQ==.jpg

19620 ms

hack.php

hack.php

18118 ms

job.php

job.php

18333 ms

1_20150123140137_MQ==.jpg

1_20150123140137_MQ==.jpg

18051 ms

1_20150121150144_bG9nby1lYw==.jpg

1_20150121150144_bG9nby1lYw==.jpg

17521 ms

1_20150121150133_MQ==.png

1_20150121150133_MQ==.png

17872 ms

1_20150121100108_MQ==.jpg

1_20150121100108_MQ==.jpg

19933 ms

1_20150121090135_MQ==.jpg

1_20150121090135_MQ==.jpg

15441 ms

1_20150121090111_MQ==.jpg

1_20150121090111_MQ==.jpg

14731 ms

1_20150121090112_MQ==.jpg

1_20150121090112_MQ==.jpg

16522 ms

1_20101019091059_atxxl.gif

1_20101019091059_atxxl.gif

15239 ms

1_20150207090219_MQ==.gif

1_20150207090219_MQ==.gif

17633 ms

1_20150121090137_MQ==.jpg

1_20150121090137_MQ==.jpg

19572 ms

topbg.gif

topbg.gif

13389 ms

topicon.gif

topicon.gif

13705 ms

ico_loading3.gif

ico_loading3.gif

13628 ms

topmbg.gif

topmbg.gif

13308 ms

menubg.gif

menubg.gif

13914 ms

mchoose.gif

mchoose.gif

12988 ms

mspacing.gif

mspacing.gif

13205 ms

searchbg.gif

searchbg.gif

12328 ms

select.gif

select.gif

12352 ms

keywordinput.gif

keywordinput.gif

11332 ms

searchsub.gif

searchsub.gif

11337 ms

newhead.gif

newhead.gif

9514 ms

newtop.gif

newtop.gif

9536 ms

1_20150715170748_JUNFJUI0JUIxJUVBJUNDJUUyLTErJUJGJUJEJUIxJUI0.jpg

1_20150715170748_JUNFJUI0JUIxJUVBJUNDJUUyLTErJUJGJUJEJUIxJUI0.jpg

14603 ms

www.51penma.com

www.51penma.com

9280 ms

1_20150207100254_Mg==.jpg

1_20150207100254_Mg==.jpg

10041 ms

1_20150207100200_Mw==.jpg

1_20150207100200_Mw==.jpg

8735 ms

loginbg.gif

loginbg.gif

8635 ms

index_but1.gif

index_but1.gif

7491 ms

index_but.gif

index_but.gif

8278 ms

head1.gif

head1.gif

7770 ms

tag1.gif

tag1.gif

7892 ms

sn0-9.gif

sn0-9.gif

7702 ms

sn0-9b.gif

sn0-9b.gif

7214 ms

over1.gif

over1.gif

7419 ms

index_n1-5.gif

index_n1-5.gif

7126 ms

sorthead.gif

sorthead.gif

7099 ms

sortout.gif

sortout.gif

7149 ms

over2.gif

over2.gif

7304 ms

head2.gif

head2.gif

7819 ms

tag2.gif

tag2.gif

7040 ms

index_icon2.gif

index_icon2.gif

6728 ms

index_icon1.gif

index_icon1.gif

6541 ms

sortover.gif

sortover.gif

6104 ms

foot_bg.gif

foot_bg.gif

5856 ms

bsearch.gif

bsearch.gif

6041 ms

over3.gif

over3.gif

5741 ms

nopic.jpg

nopic.jpg

6161 ms

login.gif

login.gif

7428 ms

index_to.gif

index_to.gif

6117 ms

index_key.gif

index_key.gif

5705 ms

Accessibility Review

51penma.com accessibility score

44

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

51penma.com best practices score

50

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

51penma.com SEO score

58

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 51penma.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 51penma.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

51penma.com

Open Graph description is not detected on the main page of 51 Penma. 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: