Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

rs232.com.tw

禾宇精密科技股份有限公司

Page Load Speed

8.5 sec in total

First Response

1.3 sec

Resources Loaded

6.9 sec

Page Rendered

270 ms

rs232.com.tw screenshot

About Website

Welcome to rs232.com.tw homepage info - get ready to check Rs 232 best content for Taiwan right away, or after learning these important things about rs232.com.tw

禾宇精密科技股份有限公司

Visit rs232.com.tw

Key Findings

We analyzed Rs232.com.tw page load time and found that the first response time was 1.3 sec and then it took 7.2 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

rs232.com.tw performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value14.6 s

0/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.257

48/100

15%

TTI (Time to Interactive)

Value21.6 s

1/100

10%

Network Requests Diagram

rs232.com.tw

1301 ms

jquery-latest.min.js

6 ms

basic.css

727 ms

analytics.js

34 ms

body_bg.gif

231 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 72% of them (13 requests) were addressed to the original Rs232.com.tw, 22% (4 requests) were made to Google-analytics.com and 6% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Rs232.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 70.6 kB (6%)

Content Size

1.2 MB

After Optimization

1.2 MB

In fact, the total size of Rs232.com.tw main page is 1.2 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. 15% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 9.1 kB

  • Original 13.7 kB
  • After minification 12.9 kB
  • After compression 4.6 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 9.1 kB or 66% of the original size.

Image Optimization

-2%

Potential reduce by 27.1 kB

  • Original 1.1 MB
  • After minification 1.1 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. Rs 232 images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 32.0 kB

  • Original 70.1 kB
  • After minification 70.1 kB
  • After compression 38.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 32.0 kB or 46% of the original size.

CSS Optimization

-76%

Potential reduce by 2.4 kB

  • Original 3.2 kB
  • After minification 2.5 kB
  • After compression 778 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. Rs232.com.tw needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rs 232. According to our analytics all requests are already optimized.

Accessibility Review

rs232.com.tw accessibility score

65

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

High

Links do not have a discernible name

Best Practices

rs232.com.tw best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rs232.com.tw SEO score

90

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

High

Tap targets are not sized appropriately

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 Rs232.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 Rs232.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 Rs 232. 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: