Tools & Wizards About Us
rainbowlight.tw.sayato.com screenshot

Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

rainbowlight.tw.sayato.com

Transmittance, 反射率, Luxmeter, spectrometer 推薦-東方光能股份有限公司 / 事業通企業會員

Page Load Speed

7.9 sec in total

First Response

1.3 sec

Resources Loaded

6.4 sec

Page Rendered

161 ms

rainbowlight.tw.sayato.com screenshot

About Website

Welcome to rainbowlight.tw.sayato.com homepage info - get ready to check Rainbowlight Tw Sayato best content for Taiwan right away, or after learning these important things about rainbowlight.tw.sayato.com

東方光能股份有限公司營業項目-掌中光(Rainbow-Light)微型光譜儀，是本公司發展自有品牌的光譜儀器產品，利用MEMS-微機電技術，擁有體積小-成本低-高解析度-抗震-耐摔等特點，特別適合發展需要光譜儀的手持式裝置，突破了過去光譜儀應用上的限制。 / 事業通企業會員

Visit rainbowlight.tw.sayato.com

Key Findings

We analyzed Rainbowlight.tw.sayato.com page load time and found that the first response time was 1.3 sec and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

rainbowlight.tw.sayato.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

rainbowlight.tw.sayato.com

1295 ms

index.php

1309 ms

style.css

412 ms

jquery-1.4.2.min.js

1064 ms

style.css

231 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Rainbowlight.tw.sayato.com, 54% (35 requests) were made to Tw.sayato.com and 15% (10 requests) were made to W1.sayato.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source W1.sayato.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.3 kB (18%)

Content Size

553.2 kB

After Optimization

452.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rainbowlight.tw.sayato.com main page is 553.2 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. 55% of websites need less resources to load. Images take 452.3 kB which makes up the majority of the site volume.

HTML Optimization

-36%

Potential reduce by 402 B

  • Original 1.1 kB
  • After minification 1.1 kB
  • After compression 703 B

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 402 B or 36% of the original size.

Image Optimization

-7%

Potential reduce by 31.5 kB

  • Original 452.3 kB
  • After minification 420.8 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. Rainbowlight Tw Sayato images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 53.6 kB

  • Original 82.6 kB
  • After minification 82.6 kB
  • After compression 29.0 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 53.6 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 14.8 kB

  • Original 17.2 kB
  • After minification 12.9 kB
  • After compression 2.4 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. Rainbowlight.tw.sayato.com needs all CSS files to be minified and compressed as it can save up to 14.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (43%)

Requests Now

60

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rainbowlight Tw Sayato. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rainbowlight.tw.sayato.com

rainbowlight.tw.sayato.com

1295 ms

index.php

index.php

1309 ms

style.css

style.css

412 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

1064 ms

style.css

style.css

231 ms

top.jpg

top.jpg

1887 ms

top2.jpg

top2.jpg

205 ms

logo.jpg

logo.jpg

446 ms

search.jpg

search.jpg

409 ms

01.jpg

01.jpg

610 ms

04.jpg

04.jpg

633 ms

06.jpg

06.jpg

430 ms

07.jpg

07.jpg

611 ms

01.gif

01.gif

644 ms

01a.gif

01a.gif

685 ms

01b.gif

01b.gif

844 ms

02.gif

02.gif

842 ms

08.jpg

08.jpg

916 ms

10.jpg

10.jpg

917 ms

skype.gif

skype.gif

916 ms

qq.gif

qq.gif

924 ms

top.gif

top.gif

1026 ms

4.gif

4.gif

1877 ms

7881.jpg

7881.jpg

1481 ms

7879.jpg

7879.jpg

1508 ms

7876.jpg

7876.jpg

1669 ms

3261.jpg

3261.jpg

2701 ms

4109.jpg

4109.jpg

2305 ms

4110.jpg

4110.jpg

1931 ms

4113.jpg

4113.jpg

2953 ms

4112.jpg

4112.jpg

2692 ms

01.jpg

01.jpg

362 ms

menu3.jpg

menu3.jpg

408 ms

menu1.jpg

menu1.jpg

405 ms

menu2.jpg

menu2.jpg

409 ms

menu.jpg

menu.jpg

424 ms

menu4.jpg

menu4.jpg

767 ms

03.jpg

03.jpg

767 ms

05.jpg

05.jpg

613 ms

04.gif

04.gif

618 ms

all.js

all.js

27 ms

plusone.js

plusone.js

70 ms

13.jpg

13.jpg

606 ms

11.jpg

11.jpg

618 ms

02.jpg

02.jpg

801 ms

chart

chart

94 ms

09.jpg

09.jpg

786 ms

end.jpg

end.jpg

1012 ms

82 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

22 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

65 ms

fastbutton

fastbutton

121 ms

xd_arbiter.php

xd_arbiter.php

65 ms

xd_arbiter.php

xd_arbiter.php

130 ms

postmessageRelay

postmessageRelay

81 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

42 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

41 ms

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

pJeswbKZO4XwVR0035gpgvesZW2xOQ-xsNqO47m55DA.ttf

39 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

42 ms

rpc:shindig_random.js

rpc:shindig_random.js

26 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

9 ms

top2.gif

top2.gif

204 ms

like.php

like.php

77 ms

wy1X4hBW7e7.js

wy1X4hBW7e7.js

492 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

554 ms

Accessibility Review

rainbowlight.tw.sayato.com accessibility score

33

Accessibility Issues

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

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

Best Practices

rainbowlight.tw.sayato.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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

rainbowlight.tw.sayato.com SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rainbowlight.tw.sayato.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Rainbowlight.tw.sayato.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

rainbowlight.tw.sayato.com

Open Graph description is not detected on the main page of Rainbowlight Tw Sayato. 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: