Tools & Wizards About Us
chnjet.com screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

chnjet.com

CHNJET涡喷俱乐部———中国涡喷网|CHNJET喷气俱乐部|涡喷中国|中国涡喷|模型飞机|涡喷发动机|涡轮|航模|发动机|飞机图纸|玩具|遥控器|飞行控制|UAV|科技|军事|能源|资料下载|自动化控制|航空发动机|船模|车模|模型发动机|论坛

Page Load Speed

47.1 sec in total

First Response

1.7 sec

Resources Loaded

44.6 sec

Page Rendered

876 ms

chnjet.com screenshot

About Website

Click here to check amazing Chnjet content for China. Otherwise, check out these important facts you probably never knew about chnjet.com

,涡轮喷气发动机爱好者俱乐部,关于涡喷发动机,微型涡喷发动机,航模涡喷发动机,涡扇发动机,航模喷气发动机,模型资料下载,模型视频

Visit chnjet.com

Key Findings

We analyzed Chnjet.com page load time and found that the first response time was 1.7 sec and then it took 45.4 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 8 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

chnjet.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

chnjet.com

1676 ms

www.chnjet.com

4174 ms

index.css

3664 ms

index.css

1555 ms

indextop.js

3149 ms

Our browser made a total of 127 requests to load all elements on the main page. We found that 27% of them (34 requests) were addressed to the original Chnjet.com, 28% (35 requests) were made to Img.chnjet.com and 5% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source Img.chnjet.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 266.7 kB (25%)

Content Size

1.1 MB

After Optimization

820.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chnjet.com main page is 1.1 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. 40% of websites need less resources to load. Images take 636.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 57.0 kB

  • Original 71.1 kB
  • After minification 65.2 kB
  • After compression 14.2 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. 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 57.0 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 30.6 kB

  • Original 636.7 kB
  • After minification 606.1 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. Chnjet images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 164.2 kB

  • Original 359.8 kB
  • After minification 358.8 kB
  • After compression 195.6 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 164.2 kB or 46% of the original size.

CSS Optimization

-76%

Potential reduce by 15.0 kB

  • Original 19.6 kB
  • After minification 17.9 kB
  • After compression 4.6 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. Chnjet.com needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (30%)

Requests Now

114

After Optimization

80

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chnjet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

chnjet.com

chnjet.com

1676 ms

www.chnjet.com

www.chnjet.com

4174 ms

index.css

index.css

3664 ms

index.css

index.css

1555 ms

indextop.js

indextop.js

3149 ms

slideshow.js

slideshow.js

3181 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

5805 ms

js.js

js.js

2586 ms

thea15.js

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904 ms

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2670 ms

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2679 ms

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2684 ms

thea11.js

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1142 ms

thea16.js

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1360 ms

thea5.js

thea5.js

1711 ms

api.php

api.php

3163 ms

api.php

api.php

1593 ms

api.php

api.php

1595 ms

thea6.js

thea6.js

3059 ms

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949 ms

logo.jpg

logo.jpg

2423 ms

big10.jpg

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15059 ms

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11225 ms

big7.jpg

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19861 ms

3.jpg

3.jpg

10510 ms

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11277 ms

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8439 ms

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10794 ms

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11753 ms

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19858 ms

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19858 ms

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14165 ms

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16651 ms

luntan02.jpg

luntan02.jpg

19857 ms

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19647 ms

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19858 ms

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19860 ms

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19861 ms

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2462 ms

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3235 ms

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2604 ms

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1128 ms

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1130 ms

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1384 ms

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5039 ms

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4675 ms

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6237 ms

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3374 ms

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7268 ms

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6975 ms

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4884 ms

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9703 ms

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7686 ms

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11558 ms

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9748 ms

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10547 ms

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13881 ms

loginjs.php

loginjs.php

8147 ms

icobg.png

icobg.png

18281 ms

c.js

c.js

1150 ms

lcym

lcym

1870 ms

bar.jpg

bar.jpg

11569 ms

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8f97be213e13a96fe1e4d02fd31b6ad5.jpg

1474 ms

c.js

c.js

862 ms

ask

ask

1182 ms

lcym

lcym

2405 ms

ct

ct

1992 ms

lm.jpg

lm.jpg

954 ms

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1494 ms

title.png

title.png

12818 ms

index_bar.jpg

index_bar.jpg

12266 ms

index_bg.png

index_bg.png

16570 ms

show_ads.js

show_ads.js

468 ms

adx.php

adx.php

2048 ms

reduce_bd-logo1_oper.png

reduce_bd-logo1_oper.png

649 ms

ca-pub-0566900992361355.js

ca-pub-0566900992361355.js

675 ms

zrt_lookup.html

zrt_lookup.html

397 ms

show_ads_impl.js

show_ads_impl.js

556 ms

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2135 ms

site-nopic.png

site-nopic.png

9500 ms

icon2013.png

icon2013.png

10030 ms

titleBg-normal.png

titleBg-normal.png

10595 ms

adsbygoogle.js

adsbygoogle.js

145 ms

ask

ask

1399 ms

ads

ads

327 ms

osd.js

osd.js

289 ms

ads

ads

425 ms

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298 ms

abg.js

abg.js

360 ms

m_js_controller.js

m_js_controller.js

378 ms

qi

qi

1991 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

182 ms

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337 ms

s

s

63 ms

x_button_blue2.png

x_button_blue2.png

55 ms

redir.html

redir.html

270 ms

j6SDDiQit5YY48GNgPpnCluJgoNCzbKlh5o6eVjReZI.js

j6SDDiQit5YY48GNgPpnCluJgoNCzbKlh5o6eVjReZI.js

117 ms

ct

ct

3261 ms

lm.jpg

lm.jpg

498 ms

h.js

h.js

2265 ms

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8178 ms

sogou_icon_wz_1.png

sogou_icon_wz_1.png

5414 ms

fc.js

fc.js

261 ms

iframe.html

iframe.html

62 ms

closefeedback.min.js

closefeedback.min.js

600 ms

reduce_promotion_oper.png

reduce_promotion_oper.png

591 ms

bd_logo.png

bd_logo.png

1613 ms

bg_rb.png

bg_rb.png

3580 ms

t.gif

t.gif

977 ms

t.gif

t.gif

10724 ms

21.gif

21.gif

872 ms

hm.gif

hm.gif

361 ms

top01.png

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8653 ms

suggest.png

suggest.png

8569 ms

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qqcm

2689 ms

pixel

pixel

723 ms

6.gif

6.gif

124 ms

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6.gif

113 ms

pixel

pixel

484 ms

o.htm

o.htm

839 ms

ui

ui

198 ms

hm.gif

hm.gif

1796 ms

wh.js

wh.js

3539 ms

ac.js

ac.js

575 ms

fp.htm

fp.htm

1959 ms

fp.htm

fp.htm

1642 ms

Accessibility Review

chnjet.com accessibility score

60

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

chnjet.com best practices score

58

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

High

Browser errors were logged to the console

SEO Factors

chnjet.com SEO score

62

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chnjet.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 Chnjet.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

chnjet.com

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