Tools & Wizards About Us
jsheng.com.tw screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

jsheng.com.tw

佳生有限公司-防鬆螺帽 圓螺帽 圓華司 勾扳手

Page Load Speed

6 sec in total

First Response

496 ms

Resources Loaded

5.4 sec

Page Rendered

135 ms

jsheng.com.tw screenshot

About Website

Click here to check amazing Jsheng content. Otherwise, check out these important facts you probably never knew about jsheng.com.tw

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Key Findings

We analyzed Jsheng.com.tw page load time and found that the first response time was 496 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

jsheng.com.tw performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

496 ms

style.css

1151 ms

ga.js

16 ms

img_02.gif

460 ms

bg_12.gif

447 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Jsheng.com.tw, 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Jsheng.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.8 kB (23%)

Content Size

25.3 kB

After Optimization

19.6 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Jsheng.com.tw main page is 25.3 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 17.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 4.7 kB

  • Original 6.7 kB
  • After minification 6.4 kB
  • After compression 2.0 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. 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 4.7 kB or 71% of the original size.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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

-66%

Potential reduce by 978 B

  • Original 1.5 kB
  • After minification 1.1 kB
  • After compression 495 B

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. Jsheng.com.tw needs all CSS files to be minified and compressed as it can save up to 978 B or 66% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jsheng. According to our analytics all requests are already optimized.

Network Requests Diagram

496 ms

style.css

style.css

1151 ms

ga.js

ga.js

16 ms

img_02.gif

img_02.gif

460 ms

bg_12.gif

bg_12.gif

447 ms

img_05.gif

img_05.gif

457 ms

img_06.gif

img_06.gif

463 ms

img_07.gif

img_07.gif

462 ms

img_08.gif

img_08.gif

479 ms

img_09.gif

img_09.gif

874 ms

img_10.gif

img_10.gif

906 ms

img_14.gif

img_14.gif

2233 ms

__utm.gif

__utm.gif

11 ms

img2_05.gif

img2_05.gif

248 ms

img2_06.gif

img2_06.gif

233 ms

img2_07.gif

img2_07.gif

438 ms

img2_08.gif

img2_08.gif

443 ms

img2_09.gif

img2_09.gif

447 ms

img2_10.gif

img2_10.gif

484 ms

Accessibility Review

jsheng.com.tw accessibility score

66

Accessibility Issues

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

Best Practices

jsheng.com.tw best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

jsheng.com.tw SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    BIG5

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jsheng.com.tw 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 Jsheng.com.tw main page’s claimed encoding is big5. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

jsheng.com.tw

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