Tools & Wizards About Us
semcmd.com screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

semcmd.com

SEO培训网 - 提供SEO学习资料_系统式SEO培训指导

Page Load Speed

21.6 sec in total

First Response

802 ms

Resources Loaded

20.4 sec

Page Rendered

366 ms

semcmd.com screenshot

About Website

Welcome to semcmd.com homepage info - get ready to check Semcmd best content for China right away, or after learning these important things about semcmd.com

专业SEO入门学习平台,提供SEO学习资料,SEO案例分析,SEO教程学习,系统式SEO培训入门学习 - 请从“SemCmd”开始

Visit semcmd.com

Key Findings

We analyzed Semcmd.com page load time and found that the first response time was 802 ms and then it took 20.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

semcmd.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.353

31/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

semcmd.com

802 ms

www.semcmd.com

1623 ms

style.css.asp

421 ms

xhl.css

422 ms

top_ad.js

443 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 34% of them (16 requests) were addressed to the original Semcmd.com, 32% (15 requests) were made to Mat1.gtimg.com and 6% (3 requests) were made to App.qlogo.cn. The less responsive or slowest element that took the longest time to load (15.7 sec) relates to the external source App.qlogo.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 123.2 kB (42%)

Content Size

296.5 kB

After Optimization

173.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Semcmd.com main page is 296.5 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. 15% of websites need less resources to load. Images take 115.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 28.5 kB

  • Original 38.5 kB
  • After minification 37.0 kB
  • After compression 10.0 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 28.5 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 8.3 kB

  • Original 115.6 kB
  • After minification 107.3 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. Semcmd images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 62.2 kB

  • Original 112.1 kB
  • After minification 111.9 kB
  • After compression 49.9 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 62.2 kB or 56% of the original size.

CSS Optimization

-80%

Potential reduce by 24.2 kB

  • Original 30.3 kB
  • After minification 22.5 kB
  • After compression 6.0 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. Semcmd.com needs all CSS files to be minified and compressed as it can save up to 24.2 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (63%)

Requests Now

43

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semcmd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

semcmd.com

semcmd.com

802 ms

www.semcmd.com

www.semcmd.com

1623 ms

style.css.asp

style.css.asp

421 ms

xhl.css

xhl.css

422 ms

top_ad.js

top_ad.js

443 ms

default.css

default.css

728 ms

stat.php

stat.php

1124 ms

c.php

c.php

2012 ms

ad.jpg

ad.jpg

719 ms

mq.jpg

mq.jpg

278 ms

xian.jpg

xian.jpg

501 ms

rss.gif

rss.gif

290 ms

sitemap.gif

sitemap.gif

467 ms

qq.gif

qq.gif

472 ms

wap.gif

wap.gif

511 ms

index.php

index.php

1102 ms

main-bg.png

main-bg.png

502 ms

btn-search.gif

btn-search.gif

665 ms

stat.htm

stat.htm

261 ms

core.php

core.php

1041 ms

print.css

print.css

213 ms

show.css

show.css

445 ms

1.css

1.css

456 ms

jquery.js

jquery.js

709 ms

9.gif

9.gif

939 ms

stat.htm

stat.htm

285 ms

core.php

core.php

488 ms

ga.js

ga.js

16 ms

__utm.gif

__utm.gif

17 ms

50

50

15584 ms

50

50

15635 ms

50

50

15653 ms

bgst.gif

bgst.gif

269 ms

bgs.gif

bgs.gif

293 ms

bgs0.png

bgs0.png

243 ms

listen.png

listen.png

462 ms

tips.gif

tips.gif

464 ms

bgs1.png

bgs1.png

470 ms

space.gif

space.gif

476 ms

sico.png

sico.png

502 ms

act.gif

act.gif

518 ms

sbg.png

sbg.png

676 ms

bgs.gif

bgs.gif

691 ms

bgs2.png

bgs2.png

727 ms

9.gif

9.gif

878 ms

app.gif

app.gif

836 ms

app.gif

app.gif

821 ms

Accessibility Review

semcmd.com accessibility score

74

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

Form elements do not have associated labels

Best Practices

semcmd.com best practices score

75

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

Serves images with low resolution

SEO Factors

semcmd.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Semcmd.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Semcmd.com 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

semcmd.com

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