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Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jis.com.tw

Reusable tile level system::Jing Shiang International Trade,Tile flat leveling system,Tile leveling holder

Page Load Speed

3.7 sec in total

First Response

610 ms

Resources Loaded

2.9 sec

Page Rendered

159 ms

About Website

Welcome to jis.com.tw homepage info - get ready to check Jis best content right away, or after learning these important things about jis.com.tw

Over the years Jing Shiang undertakes the construction works of polished wall tiles for many major construction companies,We tried to develop and get dealership of more diversified tools to improve ou...

Visit jis.com.tw

Key Findings

We analyzed Jis.com.tw page load time and found that the first response time was 610 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jis.com.tw performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value1,590 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.5 s

8/100

10%

Network Requests Diagram

jis.com.tw

610 ms

ivd.css

209 ms

reset.css

414 ms

css

20 ms

topnav.css

410 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 40% of them (12 requests) were addressed to the original Jis.com.tw, 20% (6 requests) were made to Youtube.com and 13% (4 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Jis.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.9 kB (22%)

Content Size

963.6 kB

After Optimization

752.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jis.com.tw main page is 963.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 704.4 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 6.8 kB

  • Original 9.4 kB
  • After minification 8.1 kB
  • After compression 2.6 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. This page needs HTML code to be minified as it can gain 1.4 kB, which is 15% 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 6.8 kB or 72% of the original size.

Image Optimization

-26%

Potential reduce by 182.4 kB

  • Original 704.4 kB
  • After minification 522.0 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. Obviously, Jis needs image optimization as it can save up to 182.4 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 2.5 kB

  • Original 166.8 kB
  • After minification 166.8 kB
  • After compression 164.2 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

-23%

Potential reduce by 19.2 kB

  • Original 82.9 kB
  • After minification 74.9 kB
  • After compression 63.8 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. Jis.com.tw needs all CSS files to be minified and compressed as it can save up to 19.2 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (31%)

Requests Now

26

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jis.com.tw accessibility score

59

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.

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

jis.com.tw best practices score

83

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

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

jis.com.tw SEO score

92

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jis.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 Jis.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 Jis. 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: