Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cetustek.com.tw

鯨躍科技電子發票加值服務中心

Page Load Speed

3.5 sec in total

First Response

961 ms

Resources Loaded

2.4 sec

Page Rendered

104 ms

cetustek.com.tw screenshot

About Website

Click here to check amazing Cetustek content for Taiwan. Otherwise, check out these important facts you probably never knew about cetustek.com.tw

鯨躍科技電子發票加值中心-ISO27001合格廠商-支援POS/ERP/API串接開立電子發票-適用各行各業與跨境電商

Visit cetustek.com.tw

Key Findings

We analyzed Cetustek.com.tw page load time and found that the first response time was 961 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cetustek.com.tw performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value17.7 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.148

76/100

15%

TTI (Time to Interactive)

Value18.4 s

3/100

10%

Network Requests Diagram

cetustek.com.tw

961 ms

googleanalytics.js

212 ms

swfobject.js

422 ms

ga.js

25 ms

__utm.gif

34 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 57% of them (4 requests) were addressed to the original Cetustek.com.tw, 29% (2 requests) were made to Google-analytics.com and 14% (1 request) were made to Sitestates.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Cetustek.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.8 kB (28%)

Content Size

31.8 kB

After Optimization

22.9 kB

In fact, the total size of Cetustek.com.tw main page is 31.8 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. Only 10% of websites need less resources to load. Javascripts take 27.9 kB which makes up the majority of the site volume.

HTML Optimization

-58%

Potential reduce by 2.2 kB

  • Original 3.7 kB
  • After minification 3.5 kB
  • After compression 1.6 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. 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 2.2 kB or 58% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 108 B
  • After minification 108 B

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. Cetustek images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 6.7 kB

  • Original 27.9 kB
  • After minification 27.7 kB
  • After compression 21.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 6.7 kB or 24% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cetustek. According to our analytics all requests are already optimized.

Accessibility Review

cetustek.com.tw accessibility score

80

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

cetustek.com.tw best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cetustek.com.tw SEO score

83

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

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