Tools & Wizards About Us
3dsource.cn screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

3dsource.cn

3DSource零件库官网 | 海量CAD模型，助力产品设计 - 标准件,零件库,零配件,3D模型,3D图纸,CAD模型,3D选型,产品目录,选型软件

Page Load Speed

9 sec in total

First Response

1.1 sec

Resources Loaded

6.9 sec

Page Rendered

933 ms

3dsource.cn screenshot

About Website

Welcome to 3dsource.cn homepage info - get ready to check 3 Dsource best content for China right away, or after learning these important things about 3dsource.cn

新迪3D零件库（原3DSource零件库）由上海新迪数字技术有限公司自主研发，是一款支持各大主流 CAD 软件、标准覆盖齐全、零部件种类非常丰富的零件库，是国内领先的、用户规模非常庞大的3D零部件资源库。提供5000 多万种规格的标准件、通用件和厂商件三维 CAD模型，汇聚100多家品牌生产厂商；集产品展示、产品搜索、产品选型、3D模型下载、采购询盘、快速设计工具、一键打开/插入、BOM自动写入等...

Visit 3dsource.cn

Key Findings

We analyzed 3dsource.cn page load time and found that the first response time was 1.1 sec and then it took 7.9 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

3dsource.cn performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value5.8 s

66/100

10%

Network Requests Diagram

3dsource.cn

1127 ms

www.3dsource.cn

1272 ms

nav.css

729 ms

style.css

501 ms

jquery-1.10.2.min.js

1455 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 86% of them (60 requests) were addressed to the original 3dsource.cn, 13% (9 requests) were made to Hm.baidu.com and 1% (1 request) were made to Push.zhanzhang.baidu.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain 3dsource.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.5 kB (7%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 3dsource.cn main page is 1.3 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 26.0 kB

  • Original 32.2 kB
  • After minification 24.4 kB
  • After compression 6.1 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 7.8 kB, which is 24% 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 26.0 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 45.2 kB

  • Original 1.2 MB
  • After minification 1.1 MB

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. 3 Dsource images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 9.7 kB

  • Original 46.7 kB
  • After minification 46.6 kB
  • After compression 37.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 9.7 kB or 21% of the original size.

CSS Optimization

-31%

Potential reduce by 2.6 kB

  • Original 8.6 kB
  • After minification 8.6 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. 3dsource.cn needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (23%)

Requests Now

65

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 Dsource. 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 as a result speed up the page load time.

Network Requests Diagram

3dsource.cn

3dsource.cn

1127 ms

www.3dsource.cn

www.3dsource.cn

1272 ms

nav.css

nav.css

729 ms

style.css

style.css

501 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

1455 ms

superslide.2.1.js

superslide.2.1.js

739 ms

hidden.js

hidden.js

523 ms

nav_app.png

nav_app.png

418 ms

ico_tuzhitong.png

ico_tuzhitong.png

227 ms

ico_chanpintong.png

ico_chanpintong.png

225 ms

ico_3Dopen.png

ico_3Dopen.png

222 ms

ico_xindi3D.png

ico_xindi3D.png

474 ms

img1_app.png

img1_app.png

223 ms

ewm_app.png

ewm_app.png

397 ms

img_client3.png

img_client3.png

387 ms

img_wangye.png

img_wangye.png

391 ms

img_gyp.png

img_gyp.png

659 ms

img_qiye3.png

img_qiye3.png

606 ms

norelem.png

norelem.png

606 ms

elesa.png

elesa.png

622 ms

ynx.png

ynx.png

623 ms

mygc.png

mygc.png

1026 ms

slzdh.png

slzdh.png

831 ms

scqd.png

scqd.png

832 ms

dgznzy.png

dgznzy.png

845 ms

hxjsj.png

hxjsj.png

855 ms

ydgy1.png

ydgy1.png

1023 ms

shbs.png

shbs.png

1068 ms

logo_ljk.png

logo_ljk.png

1066 ms

down_white.png

down_white.png

1090 ms

more_white.png

more_white.png

1094 ms

banner_elesa_3.jpg

banner_elesa_3.jpg

1965 ms

banner0810.jpg

banner0810.jpg

2844 ms

bannernorelem11.jpg

bannernorelem11.jpg

1690 ms

banner_app.jpg

banner_app.jpg

2164 ms

banner_item_1.jpg

banner_item_1.jpg

2195 ms

slider-arrow.png

slider-arrow.png

1231 ms

left.png

left.png

1444 ms

right.png

right.png

1693 ms

adbanner_tzt.gif

adbanner_tzt.gif

2306 ms

line.png

line.png

1890 ms

fixed_side.html

fixed_side.html

2098 ms

footer.html

footer.html

2119 ms

hm.js

hm.js

432 ms

hm.js

hm.js

477 ms

hm.js

hm.js

475 ms

push.js

push.js

1595 ms

hm.js

hm.js

1510 ms

hm.js

hm.js

1510 ms

hm.js

hm.js

1547 ms

hm.gif

hm.gif

307 ms

hm.gif

hm.gif

309 ms

hm.gif

hm.gif

308 ms

fixed-out01.png

fixed-out01.png

253 ms

fixed-out02.png

fixed-out02.png

238 ms

ico_side_tell.png

ico_side_tell.png

237 ms

ico_side_email.png

ico_side_email.png

252 ms

ycwechat.png

ycwechat.png

421 ms

fixed_ico_windows.png

fixed_ico_windows.png

476 ms

fixed_ico_app.png

fixed_ico_app.png

477 ms

fixed_ico_wx.png

fixed_ico_wx.png

494 ms

fixed_ico_kf.png

fixed_ico_kf.png

503 ms

fixed_ico_lx.png

fixed_ico_lx.png

645 ms

bg_side_contact.png

bg_side_contact.png

694 ms

wechat.png

wechat.png

708 ms

footerwechat.png

footerwechat.png

720 ms

app_bottom.png

app_bottom.png

741 ms

gzh_bottom.png

gzh_bottom.png

902 ms

zgwab.png

zgwab.png

882 ms

botton-wangluo.png

botton-wangluo.png

837 ms

Accessibility Review

3dsource.cn 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.

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

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

3dsource.cn best practices score

67

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

SEO Factors

3dsource.cn 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 3dsource.cn 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 3dsource.cn 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

3dsource.cn

Open Graph description is not detected on the main page of 3 Dsource. 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: