Tools & Wizards About Us
54pc.com screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

54pc.com

分析仪器网:分析仪器,实验室仪器,仪器信息

Page Load Speed

36.4 sec in total

First Response

9.2 sec

Resources Loaded

26.9 sec

Page Rendered

298 ms

54pc.com screenshot

About Website

Visit 54pc.com now to see the best up-to-date 54 Pc content and also check out these interesting facts you probably never knew about 54pc.com

分析仪器网是分析仪器,仪器信息,实验室仪器装备,生命科学仪器,色谱仪器,环境监测仪器等专业网站,分析仪器网囊括免费仪器信息,实验仪器求购,商场,仪器英才,展会信息,论坛,图书期刊等服务。

Visit 54pc.com

Key Findings

We analyzed 54pc.com page load time and found that the first response time was 9.2 sec and then it took 27.2 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 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

54pc.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

54pc.com

9236 ms

newcss.css

1568 ms

ttmes.js

790 ms

master2010.css

1488 ms

2010-0601.html

1957 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that 91% of them (53 requests) were addressed to the original 54pc.com, 3% (2 requests) were made to T.xidie.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain 54pc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.9 kB (69%)

Content Size

142.5 kB

After Optimization

43.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 54pc.com main page is 142.5 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. 20% of websites need less resources to load. HTML takes 96.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 80.1 kB

  • Original 96.6 kB
  • After minification 90.2 kB
  • After compression 16.5 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 80.1 kB or 83% of the original size.

Image Optimization

-9%

Potential reduce by 496 B

  • Original 5.6 kB
  • After minification 5.1 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. 54 Pc images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 1.7 kB

  • Original 19.7 kB
  • After minification 19.7 kB
  • After compression 18.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-81%

Potential reduce by 16.6 kB

  • Original 20.5 kB
  • After minification 17.3 kB
  • After compression 3.9 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. 54pc.com needs all CSS files to be minified and compressed as it can save up to 16.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (26%)

Requests Now

54

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 54 Pc. 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.

Network Requests Diagram

54pc.com

54pc.com

9236 ms

newcss.css

newcss.css

1568 ms

ttmes.js

ttmes.js

790 ms

master2010.css

master2010.css

1488 ms

2010-0601.html

2010-0601.html

1957 ms

top_bg.gif

top_bg.gif

496 ms

logo_bg.gif

logo_bg.gif

393 ms

logo.gif

logo.gif

389 ms

shousuo_bg.gif

shousuo_bg.gif

778 ms

sousuo.gif

sousuo.gif

1174 ms

sousuo_zi.gif

sousuo_zi.gif

783 ms

di_bg.gif

di_bg.gif

970 ms

dianzhuang_bg.gif

dianzhuang_bg.gif

1145 ms

jsquan_bg.gif

jsquan_bg.gif

1102 ms

js_bg.gif

js_bg.gif

1408 ms

dian_205.gif

dian_205.gif

1478 ms

hen_dian.gif

hen_dian.gif

1489 ms

shu_dian.gif

shu_dian.gif

1496 ms

20141119132937.gif

20141119132937.gif

4273 ms

shu_dian01.gif

shu_dian01.gif

1877 ms

20141112105627.jpg

20141112105627.jpg

8868 ms

shou001.jpg

shou001.jpg

10801 ms

shou002.jpg

shou002.jpg

6205 ms

shou003.jpg

shou003.jpg

10247 ms

shou004.jpg

shou004.jpg

7001 ms

yidong_01.gif

yidong_01.gif

6351 ms

201159102636.jpg

201159102636.jpg

9150 ms

33060.gif

33060.gif

8721 ms

youli.gif

youli.gif

7598 ms

gtf005.gif

gtf005.gif

9646 ms

gtf001.gif

gtf001.gif

8959 ms

gtf004.gif

gtf004.gif

10063 ms

gtf003.gif

gtf003.gif

11672 ms

gtf002.gif

gtf002.gif

10012 ms

201577143309.jpg

201577143309.jpg

19787 ms

201131590009.jpg

201131590009.jpg

12667 ms

2011330233347.jpg

2011330233347.jpg

12626 ms

2013325163853.jpg

2013325163853.jpg

9736 ms

2012328132057.jpg

2012328132057.jpg

14212 ms

canping_bg.gif

canping_bg.gif

10180 ms

404-pic.gif

404-pic.gif

404 ms

p1693.jpg

p1693.jpg

11982 ms

2010222164922.jpg

2010222164922.jpg

19974 ms

p1707.jpg

p1707.jpg

17104 ms

p5738.gif

p5738.gif

14015 ms

p4528.gif

p4528.gif

15622 ms

science.gif

science.gif

16646 ms

m200575145358.jpg

m200575145358.jpg

15726 ms

shanghai5.gif

shanghai5.gif

20285 ms

1318921sdf.gif

1318921sdf.gif

15357 ms

gh.jpg

gh.jpg

1069 ms

footer.gif

footer.gif

13535 ms

foot_3.gif

foot_3.gif

13219 ms

da.gif

da.gif

15654 ms

ping.gif

ping.gif

14226 ms

an.gif

an.gif

13930 ms

ga.js

ga.js

26 ms

__utm.gif

__utm.gif

20 ms

Accessibility Review

54pc.com accessibility score

49

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

54pc.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

54pc.com SEO score

58

Search Engine Optimization Advices

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 54pc.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that 54pc.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

54pc.com

Open Graph description is not detected on the main page of 54 Pc. 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: