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tetrahedron.com.tw screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

tetrahedron.com.tw

Tetrahedron Technology Co., Ltd.-R & D, manufacturing and sales of organic light emitting diode materials

Page Load Speed

10.2 sec in total

First Response

630 ms

Resources Loaded

9.2 sec

Page Rendered

386 ms

tetrahedron.com.tw screenshot

About Website

Visit tetrahedron.com.tw now to see the best up-to-date Tetrahedron content and also check out these interesting facts you probably never knew about tetrahedron.com.tw

Established in 2000, Tetrahedron Technology Co., Ltd. is committed to research and development and production of high-quality organic light-emitting diode (OLED) materials, and cooperates closely with...

Visit tetrahedron.com.tw

Key Findings

We analyzed Tetrahedron.com.tw page load time and found that the first response time was 630 ms and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

tetrahedron.com.tw performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value19.5 s

0/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.172

69/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

tetrahedron.com.tw

630 ms

www.tetrahedron.com.tw

556 ms

www.tetrahedron.com.tw

1109 ms

736 ms

loading.css

406 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that all of those requests were addressed to Tetrahedron.com.tw and no external sources were called. The less responsive or slowest element that took the longest time to load (4.4 sec) belongs to the original domain Tetrahedron.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 161.6 kB (11%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tetrahedron.com.tw main page is 1.4 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 69.2 kB

  • Original 83.6 kB
  • After minification 71.7 kB
  • After compression 14.3 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 11.9 kB, which is 14% 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 69.2 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 65.3 kB

  • Original 1.1 MB
  • After minification 1.0 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. Tetrahedron images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 18.5 kB

  • Original 172.1 kB
  • After minification 172.0 kB
  • After compression 153.6 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 18.5 kB or 11% of the original size.

CSS Optimization

-11%

Potential reduce by 8.5 kB

  • Original 77.2 kB
  • After minification 77.0 kB
  • After compression 68.6 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. Tetrahedron.com.tw needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (63%)

Requests Now

78

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tetrahedron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tetrahedron.com.tw

tetrahedron.com.tw

630 ms

www.tetrahedron.com.tw

www.tetrahedron.com.tw

556 ms

www.tetrahedron.com.tw

www.tetrahedron.com.tw

1109 ms

736 ms

loading.css

loading.css

406 ms

animate.css

animate.css

656 ms

bootstrap.css

bootstrap.css

875 ms

font-awesome.min.css

font-awesome.min.css

661 ms

socicon.css

socicon.css

659 ms

simple-line-icons.min.css

simple-line-icons.min.css

664 ms

nivo-slider.css

nivo-slider.css

708 ms

worldwide.css

worldwide.css

862 ms

jquery.mmenu.all.css

jquery.mmenu.all.css

924 ms

header.css

header.css

898 ms

scroll_t.css

scroll_t.css

944 ms

footer.css

footer.css

940 ms

style.css

style.css

1087 ms

responsive.css

responsive.css

1096 ms

one_page.css

one_page.css

1115 ms

shopping.css

shopping.css

1129 ms

jquery-ui.min.css

jquery-ui.min.css

1147 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

1156 ms

jquery.easing.min.js

jquery.easing.min.js

1293 ms

utils.js

utils.js

1309 ms

jquery.navScroll.js

jquery.navScroll.js

1323 ms

jquery-ui.min.js

jquery-ui.min.js

1536 ms

datepicker_init.js

datepicker_init.js

1353 ms

member_email_syncer.js

member_email_syncer.js

1358 ms

member_account_validator.js

member_account_validator.js

1506 ms

bootstrap.min.js

bootstrap.min.js

1518 ms

wow.js

wow.js

1528 ms

cherry-fixed-parallax.js

cherry-fixed-parallax.js

1563 ms

script_top_v2.js

script_top_v2.js

1565 ms

modernizr.js

modernizr.js

1716 ms

jquery.nivo.slider.js

jquery.nivo.slider.js

1738 ms

jquery.mmenu.min.all.js

jquery.mmenu.min.all.js

1739 ms

jquery.ui.totop.js

jquery.ui.totop.js

1743 ms

advanced_search_new.css

advanced_search_new.css

1795 ms

comboTreePlugin.js

comboTreePlugin.js

1791 ms

comboTree.css

comboTree.css

1744 ms

image_06.css

image_06.css

1555 ms

customize_block.css

customize_block.css

1295 ms

type_06.css

type_06.css

1317 ms

jquery.fancybox.css

jquery.fancybox.css

1358 ms

cookies.css

cookies.css

1356 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

1439 ms

scrollfix.js

scrollfix.js

1320 ms

script_below.js

script_below.js

1300 ms

jquery.lazyload.js

jquery.lazyload.js

1282 ms

title.png

title.png

414 ms

en.jpg

en.jpg

417 ms

zh-tw.jpg

zh-tw.jpg

417 ms

zh-cn.jpg

zh-cn.jpg

436 ms

w_191030_01870.png

w_191030_01870.png

453 ms

op_191030_01872.jpg

op_191030_01872.jpg

1886 ms

op_191030_01975.jpg

op_191030_01975.jpg

2006 ms

op_191024_08438.jpg

op_191024_08438.jpg

4415 ms

op_191030_01972.jpg

op_191030_01972.jpg

1239 ms

hab1.png

hab1.png

646 ms

hab2.png

hab2.png

664 ms

hab3.png

hab3.png

888 ms

hab4.png

hab4.png

876 ms

hab5.png

hab5.png

1090 ms

hab6.png

hab6.png

1098 ms

loading.gif

loading.gif

1300 ms

CT.png

CT.png

4365 ms

ISO1n.png

ISO1n.png

1505 ms

ISO2n.png

ISO2n.png

2262 ms

ajax-loader.gif

ajax-loader.gif

1720 ms

icon_l-1.png

icon_l-1.png

1921 ms

icon_r-1.png

icon_r-1.png

2100 ms

op_191023_07932.jpg

op_191023_07932.jpg

2809 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2554 ms

icon1.png

icon1.png

2097 ms

icon3.png

icon3.png

2254 ms

icon4.png

icon4.png

2303 ms

icon5.png

icon5.png

2463 ms

inquiry_cart_service.asp

inquiry_cart_service.asp

2405 ms

location-icon.png

location-icon.png

2412 ms

phone-icon.png

phone-icon.png

2482 ms

print-icon.png

print-icon.png

2605 ms

email-icon.png

email-icon.png

2674 ms

op_191212_02511.jpg

op_191212_02511.jpg

3668 ms

Accessibility Review

tetrahedron.com.tw accessibility score

64

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

tetrahedron.com.tw best practices score

75

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

tetrahedron.com.tw SEO score

77

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tetrahedron.com.tw can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Tetrahedron.com.tw 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

tetrahedron.com.tw

Open Graph data is detected on the main page of Tetrahedron. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: