Tools & Wizards About Us
defengyuan-international.com screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 47

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

defengyuan-international.com

DFY - Bluetooth Keyboard & Wireless Keyboard & Wireless Remote Shutter & Lost Alarm Manufacturer In

Page Load Speed

10.4 sec in total

First Response

2.7 sec

Resources Loaded

7.3 sec

Page Rendered

380 ms

defengyuan-international.com screenshot

About Website

Click here to check amazing Defengyuan International content for China. Otherwise, check out these important facts you probably never knew about defengyuan-international.com

DFY is a reliable manufact urer for Bluetooth Keyboard & Wireless Remote Shutter & Lost Alarm in china

Visit defengyuan-international.com

Key Findings

We analyzed Defengyuan-international.com page load time and found that the first response time was 2.7 sec and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

defengyuan-international.com performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

39/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

www.defengyuan-international.com

2700 ms

css.css

1122 ms

jquery.js

1322 ms

jquery-1.4.2.min.js

1329 ms

jcarousellite_1.0.1.js

720 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 15% of them (16 requests) were addressed to the original Defengyuan-international.com, 32% (34 requests) were made to File03.up71.com and 24% (25 requests) were made to Y61-6.up71.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Defengyuan-international.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.3 kB (42%)

Content Size

213.2 kB

After Optimization

122.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Defengyuan-international.com main page is 213.2 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. 40% of websites need less resources to load. Javascripts take 118.6 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 61.7 kB

  • Original 71.0 kB
  • After minification 58.5 kB
  • After compression 9.2 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. This page needs HTML code to be minified as it can gain 12.5 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 61.7 kB or 87% of the original size.

Image Optimization

-39%

Potential reduce by 4.2 kB

  • Original 10.7 kB
  • After minification 6.5 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. Obviously, Defengyuan International needs image optimization as it can save up to 4.2 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-19%

Potential reduce by 23.0 kB

  • Original 118.6 kB
  • After minification 118.2 kB
  • After compression 95.6 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 23.0 kB or 19% of the original size.

CSS Optimization

-11%

Potential reduce by 1.4 kB

  • Original 12.9 kB
  • After minification 12.9 kB
  • After compression 11.5 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. Defengyuan-international.com needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (34%)

Requests Now

38

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Defengyuan International. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.defengyuan-international.com

www.defengyuan-international.com

2700 ms

css.css

css.css

1122 ms

jquery.js

jquery.js

1322 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

1329 ms

jcarousellite_1.0.1.js

jcarousellite_1.0.1.js

720 ms

Stuhover.js

Stuhover.js

734 ms

top.js

top.js

740 ms

scrolltopcontrol.js

scrolltopcontrol.js

933 ms

common.js

common.js

1171 ms

newsScroll.js

newsScroll.js

957 ms

archefoucs.js

archefoucs.js

1165 ms

TopProductSearch.js

TopProductSearch.js

1194 ms

jcarousellite.js

jcarousellite.js

1334 ms

indexproduct.js

indexproduct.js

1373 ms

ScriptResource.axd

ScriptResource.axd

432 ms

banner.css

banner.css

428 ms

hm.js

hm.js

430 ms

govicons.js

govicons.js

1895 ms

hm.js

hm.js

998 ms

dt_03.gif

dt_03.gif

209 ms

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defengyuan_1956_20151028142644.jpg

662 ms

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580 ms

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defengyuan_1956_20230507133947.jpg

1454 ms

dt_02.gif

dt_02.gif

209 ms

10.gif

10.gif

402 ms

11.gif

11.gif

403 ms

CheckCode.aspx

CheckCode.aspx

409 ms

sq_submit.gif

sq_submit.gif

414 ms

bg.gif

bg.gif

222 ms

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1442 ms

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778 ms

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849 ms

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802 ms

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807 ms

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1030 ms

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1305 ms

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1324 ms

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1171 ms

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1404 ms

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1508 ms

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1593 ms

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1849 ms

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1681 ms

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1725 ms

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1697 ms

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1771 ms

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1986 ms

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1939 ms

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2_defengyuan_1956_0_20191210182039.png

1986 ms

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2000 ms

2_defengyuan_1956_0_20180829170702.jpg

2_defengyuan_1956_0_20180829170702.jpg

2042 ms

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2_defengyuan_1956_20240327140402.jpg

2159 ms

2_defengyuan_1956_20230409170834.jpg

2_defengyuan_1956_20230409170834.jpg

2236 ms

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2438 ms

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2262 ms

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2250 ms

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2_defengyuan_1956_0_20180829165442.jpg

2343 ms

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2519 ms

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2494 ms

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2_defengyuan_1956_0_20181126173415.png

2496 ms

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2_defengyuan_1956_0_20180813173826.jpg

2519 ms

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2_defengyuan_1956_0_20180813172635.jpg

2661 ms

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662 ms

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649 ms

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759 ms

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680 ms

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647 ms

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1035 ms

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defengyuan_1956439_20150901181642.gif

536 ms

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1134 ms

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535 ms

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578 ms

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533 ms

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871 ms

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811 ms

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808 ms

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845 ms

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834 ms

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1097 ms

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1067 ms

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1138 ms

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1115 ms

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1170 ms

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1315 ms

loading.jpg

loading.jpg

361 ms

nav.png

nav.png

372 ms

main.jpg

main.jpg

550 ms

n11.png

n11.png

555 ms

n21.png

n21.png

561 ms

sq_reset.gif

sq_reset.gif

565 ms

03.gif

03.gif

217 ms

05.gif

05.gif

782 ms

nav_bg.png

nav_bg.png

209 ms

09.gif

09.gif

204 ms

15.gif

15.gif

212 ms

14.gif

14.gif

398 ms

16.gif

16.gif

410 ms

27.gif

27.gif

421 ms

28.gif

28.gif

435 ms

input_bg.gif

input_bg.gif

450 ms

36.gif

36.gif

604 ms

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defengyuan_195694_20150901181634.gif

1295 ms

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defengyuan_1956451_20150901181643.gif

1309 ms

hm.gif

hm.gif

306 ms

lanren_top.jpg

lanren_top.jpg

205 ms

Accessibility Review

defengyuan-international.com accessibility score

47

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

defengyuan-international.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

defengyuan-international.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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Defengyuan-international.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Defengyuan-international.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

defengyuan-international.com

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