Tools & Wizards About Us
3wi.com screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

3wi.com

Spetrophotometer, Colorimeter, Gloss Meter,Color Light Box

Page Load Speed

9.2 sec in total

First Response

1.1 sec

Resources Loaded

7.7 sec

Page Rendered

357 ms

3wi.com screenshot

About Website

Click here to check amazing 3 Wi content. Otherwise, check out these important facts you probably never knew about 3wi.com

Guangdong Sanenshi Intelligent Technology Co., Ltd. is a high-tech enterprise. We research, develop, produce and market photoelectric detection products in photoelectric detection technology field and...

Visit 3wi.com

Key Findings

We analyzed 3wi.com page load time and found that the first response time was 1.1 sec and then it took 8.1 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

3wi.com performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.145

77/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

3wi.com

1073 ms

www.3wi.com

1342 ms

78002.css

337 ms

jquery-1.9.1.min.js

855 ms

js

64 ms

Our browser made a total of 126 requests to load all elements on the main page. We found that 50% of them (63 requests) were addressed to the original 3wi.com, 41% (52 requests) were made to Www-x-3wi-x-com.img.addlink.cn and 2% (3 requests) were made to Szcert.ebs.org.cn. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Www-x-3wi-x-com.img.addlink.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 95.6 kB (2%)

Content Size

4.4 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 3wi.com main page is 4.4 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. 50% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.6 kB

  • Original 26.6 kB
  • After minification 23.1 kB
  • After compression 6.0 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. This page needs HTML code to be minified as it can gain 3.4 kB, which is 13% 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 20.6 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 70.8 kB

  • Original 4.3 MB
  • After minification 4.3 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 Wi images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 3.1 kB

  • Original 68.3 kB
  • After minification 68.3 kB
  • After compression 65.2 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

-17%

Potential reduce by 1.1 kB

  • Original 6.5 kB
  • After minification 6.5 kB
  • After compression 5.4 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. 3wi.com needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (35%)

Requests Now

71

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 Wi. 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

3wi.com

3wi.com

1073 ms

www.3wi.com

www.3wi.com

1342 ms

78002.css

78002.css

337 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

855 ms

js

js

64 ms

govicon.js

govicon.js

934 ms

jquery.jslides.js

jquery.jslides.js

537 ms

plugins.js

plugins.js

514 ms

sly.min.js

sly.min.js

538 ms

webwidget_slideshow_dot.js

webwidget_slideshow_dot.js

534 ms

public.js

public.js

630 ms

online.css

online.css

851 ms

top.js

top.js

902 ms

logo.jpg

logo.jpg

220 ms

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223 ms

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221 ms

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219 ms

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222 ms

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228 ms

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436 ms

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436 ms

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437 ms

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438 ms

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438 ms

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451 ms

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652 ms

img2.jpg

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654 ms

icon1.png

icon1.png

653 ms

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654 ms

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656 ms

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674 ms

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869 ms

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871 ms

title_anli.jpg

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871 ms

more.jpg

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872 ms

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876 ms

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897 ms

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1086 ms

title_xinwen.jpg

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1087 ms

lg.gif

lg.gif

1088 ms

samsung.gif

samsung.gif

1089 ms

haier.gif

haier.gif

1094 ms

hp.gif

hp.gif

1120 ms

huawei.gif

huawei.gif

1311 ms

lenovo.gif

lenovo.gif

1311 ms

footlogo.jpg

footlogo.jpg

1312 ms

push.js

push.js

733 ms

hm.js

hm.js

1192 ms

so.jpg

so.jpg

1284 ms

nva_bg.jpg

nva_bg.jpg

1272 ms

navinli.gif

navinli.gif

1301 ms

govicon.js

govicon.js

1067 ms

fdd3ea60e1995e79c390bea686fe078e.jpg

fdd3ea60e1995e79c390bea686fe078e.jpg

2061 ms

logo.jpg

logo.jpg

910 ms

2c97e904c5240dc0d24615f56e9c3e44.jpg

2c97e904c5240dc0d24615f56e9c3e44.jpg

2124 ms

c654f43cb019c75d628378f65286611f.jpg

c654f43cb019c75d628378f65286611f.jpg

2135 ms

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2373 ms

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2386 ms

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2031 ms

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2082 ms

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2159 ms

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2415 ms

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2337 ms

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ca69ea90ac5939cd38052c684be21a65.jpg

2336 ms

304a3442b9d2ecd43dec8c10236df96b.jpg

304a3442b9d2ecd43dec8c10236df96b.jpg

2214 ms

icon1.png

icon1.png

2213 ms

img2.jpg

img2.jpg

2223 ms

icon2.png

icon2.png

2361 ms

icon3.png

icon3.png

2365 ms

icon4.png

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2424 ms

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766 ms

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768 ms

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769 ms

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770 ms

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778 ms

bg1.jpg

bg1.jpg

814 ms

cp-icon-l.png

cp-icon-l.png

982 ms

cp-icon-r.png

cp-icon-r.png

985 ms

index_cp.jpg

index_cp.jpg

986 ms

bg3.jpg

bg3.jpg

987 ms

new-ul.jpg

new-ul.jpg

996 ms

icon6.png

icon6.png

2243 ms

icon5.png

icon5.png

2247 ms

title_anli.jpg

title_anli.jpg

2260 ms

more.jpg

more.jpg

2382 ms

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2383 ms

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2451 ms

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2294 ms

title_xinwen.jpg

title_xinwen.jpg

2319 ms

lg.gif

lg.gif

2328 ms

samsung.gif

samsung.gif

2402 ms

haier.gif

haier.gif

2403 ms

hp.gif

hp.gif

2475 ms

govIcon.gif

govIcon.gif

875 ms

analytics.js

analytics.js

35 ms

red_bg.png

red_bg.png

630 ms

banner-btn.png

banner-btn.png

794 ms

banner-btn-hover.png

banner-btn-hover.png

797 ms

cp-icon-d2.png

cp-icon-d2.png

799 ms

cp-icon-d1.png

cp-icon-d1.png

800 ms

collect

collect

14 ms

js

js

61 ms

hm.gif

hm.gif

346 ms

b.js

b.js

1608 ms

huawei.gif

huawei.gif

2313 ms

lenovo.gif

lenovo.gif

2346 ms

footlogo.jpg

footlogo.jpg

2359 ms

so.jpg

so.jpg

2416 ms

nva_bg.jpg

nva_bg.jpg

2419 ms

navinli.gif

navinli.gif

2496 ms

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2352 ms

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2390 ms

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2408 ms

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2450 ms

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1-1F622105121545.jpg

2438 ms

bg1.jpg

bg1.jpg

2522 ms

cp-icon-l.png

cp-icon-l.png

2380 ms

cp-icon-r.png

cp-icon-r.png

2418 ms

index_cp.jpg

index_cp.jpg

2441 ms

bg3.jpg

bg3.jpg

2466 ms

new-ul.jpg

new-ul.jpg

2463 ms

red_bg.png

red_bg.png

2545 ms

banner-btn.png

banner-btn.png

2407 ms

banner-btn-hover.png

banner-btn-hover.png

2453 ms

cp-icon-d2.png

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2480 ms

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cp-icon-d1.png

2484 ms

Accessibility Review

3wi.com accessibility score

45

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

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

3wi.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

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

3wi.com SEO score

76

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 3wi.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 3wi.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

3wi.com

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