Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

rs.co.th

RS Group - Life Enriching

Page Load Speed

17.5 sec in total

First Response

747 ms

Resources Loaded

15.4 sec

Page Rendered

1.4 sec

rs.co.th screenshot

About Website

Visit rs.co.th now to see the best up-to-date RS content for Thailand and also check out these interesting facts you probably never knew about rs.co.th

RS Group is listed in the commercial business category on the stock Exchange of Thailand, operating an end-to end business that leverages the key strengths of all business together for consistent mutu...

Visit rs.co.th

Key Findings

We analyzed Rs.co.th page load time and found that the first response time was 747 ms and then it took 16.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

rs.co.th performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value23.1 s

0/100

10%

TBT (Total Blocking Time)

Value2,500 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value21.7 s

1/100

10%

Network Requests Diagram

rs.co.th

747 ms

rs.co.th

955 ms

www.rs.co.th

270 ms

www.rs.co.th

1199 ms

jquery.min.js

45 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 57% of them (48 requests) were addressed to the original Rs.co.th, 24% (20 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (11.2 sec) relates to the external source Uat.rs.co.th.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.7 kB (5%)

Content Size

3.0 MB

After Optimization

2.8 MB

In fact, the total size of Rs.co.th main page is 3.0 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. 75% 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 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 132.2 kB

  • Original 156.4 kB
  • After minification 144.1 kB
  • After compression 24.2 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 132.2 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 16.6 kB

  • Original 2.3 MB
  • After minification 2.3 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 images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 426.6 kB
  • After minification 426.6 kB
  • After compression 423.9 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

-5%

Potential reduce by 2.2 kB

  • Original 46.3 kB
  • After minification 46.3 kB
  • After compression 44.1 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. Rs.co.th has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 37 (65%)

Requests Now

57

After Optimization

20

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rs.co.th accessibility score

75

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

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

rs.co.th 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

rs.co.th SEO score

93

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rs.co.th can be misinterpreted by Google and other search engines. Our service has detected that English 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 Rs.co.th 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 data is detected on the main page of RS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: