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name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value19.9 s

0/100

10%

TBT (Total Blocking Time)

Value2,210 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value37.6 s

0/100

10%

rongrean.com

1210 ms

jquery-1.7.min.js

1098 ms

jquery-ui-1.7.1.custom.min.js

1123 ms

dojo.js

834 ms

project_dojo.js

1412 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 90% of them (132 requests) were addressed to the original Rongrean.com, 4% (6 requests) were made to Youtube.com and 1% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Rongrean.com.

Content Size

7.9 MB

After Optimization

6.9 MB

In fact, the total size of Rongrean.com main page is 7.9 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. Only a small number of websites need less resources to load. Images take 6.8 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 147.4 kB

Original 182.6 kB
After minification 162.0 kB
After compression 35.2 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. This page needs HTML code to be minified as it can gain 20.6 kB, which is 11% 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 147.4 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 787.6 kB

Original 6.8 MB
After minification 6.0 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. Obviously, Rongrean needs image optimization as it can save up to 787.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 34.7 kB

Original 735.2 kB
After minification 735.0 kB
After compression 700.6 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

-15%

Potential reduce by 27.0 kB

Original 174.9 kB
After minification 173.9 kB
After compression 147.9 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. Rongrean.com needs all CSS files to be minified and compressed as it can save up to 27.0 kB or 15% of the original size.

Requests Now

138

After Optimization

The browser has sent 138 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rongrean. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 36 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

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

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

TH
Language Claimed

N/A
Encoding

UTF-8

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

rongrean.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

rongrean.com

jquery-1.7.min.js

jquery-ui-1.7.1.custom.min.js

dojo.js

project_dojo.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

rongrean.com

jquery-1.7.min.js

jquery-ui-1.7.1.custom.min.js

dojo.js

project_dojo.js

jquery.simplemodal.js

home.js

s3Slider.js

galleria-1.2.7.js

featherlight.min.js

featherlight.min.css

ColorPicker.css

jquery-ui-1.7.1.custom.css

tundra.css

dojo.css

image.css

KommuzSkin.css

basic.css

ran4u-responsive-v9-2-2.css

transformicons.css

modernizr.custom.js

home.css

easySlider1.5.js

welcome.css

flipclock.css

flipclock.js

th-th.js

smoothscroll.js

animations.css

css3-animate-it.js

font-thaisansneue-fix.css

parallax.min.js

flexslider.css

jquery.flexslider.js

login.css

api.js

dijit.css

reset.css

kommuz-home.css

form-style.css

ran4uskin.css

fixSearch.css

dropdown.css

onecolumn-compressed.css