14.4 sec in total
2 sec
11.2 sec
1.2 sec
Welcome to rongrean.com homepage info - get ready to check Rongrean best content for Thailand right away, or after learning these important things about rongrean.com
ถ่ายทอดสดทาง Web สอนฟรี วิธีสร้างเว็บ เริ่มวันพุธ เวลา 20.00 ทำเว็บ ฟรี สวยหรูไม่ซ้ำใคร เทคนิคแบบมืออาชีพ สอนสร้างเว็บ เรียนสร้างเว็บ สอนทำเว็บไซต์ การสร้างเว็บไซต์ ทำเว็บไซต์ ภาษา HTML CSS Javascript...
Visit rongrean.comWe analyzed Rongrean.com page load time and found that the first response time was 2 sec and then it took 12.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
rongrean.com performance score
name
value
score
weighting
Value7.4 s
1/100
10%
Value14.4 s
0/100
25%
Value19.8 s
0/100
10%
Value3,640 ms
1/100
30%
Value0.006
100/100
15%
Value32.5 s
0/100
10%
1999 ms
787 ms
526 ms
539 ms
540 ms
Our browser made a total of 93 requests to load all elements on the main page. We found that all of those requests were addressed to Rongrean.com and no external sources were called. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Rongrean.com.
Page size can be reduced by 1.5 MB (43%)
3.6 MB
2.1 MB
In fact, the total size of Rongrean.com main page is 3.6 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. 30% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 67.0 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. This page needs HTML code to be minified as it can gain 30.0 kB, which is 40% 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 67.0 kB or 89% of the original size.
Potential reduce by 252.7 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, Rongrean needs image optimization as it can save up to 252.7 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.1 MB
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 1.1 MB or 89% of the original size.
Potential reduce by 97.5 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 97.5 kB or 81% of the original size.
Number of requests can be reduced by 48 (53%)
90
42
The browser has sent 90 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 5 to 1 for JavaScripts and from 45 to 1 for CSS and as a result speed up the page load time.
rongrean.com
1999 ms
style-blue.css
787 ms
mediabox.css
526 ms
swfobject.js
539 ms
ittalk18_07_2009.js
540 ms
FlashTemplate.css
551 ms
jquery-ui-1.7.1.custom.css
788 ms
jquery-1.3.2.min.js
1389 ms
jquery-ui-1.7.1.custom.min.js
810 ms
dojo.js
2016 ms
project_dojo.js
3320 ms
tundra.css
1046 ms
image.css
1047 ms
dijit.css
557 ms
Common.css
278 ms
ContentPane.css
271 ms
TabContainer.css
273 ms
AccordionContainer.css
264 ms
SplitContainer.css
263 ms
BorderContainer.css
525 ms
Common.css
526 ms
Button.css
539 ms
Checkbox.css
541 ms
RadioButton.css
552 ms
Slider.css
786 ms
Select.css
786 ms
Tree.css
808 ms
ProgressBar.css
810 ms
TitlePane.css
828 ms
Calendar.css
830 ms
TimePicker.css
1046 ms
Toolbar.css
1047 ms
Dialog.css
1076 ms
Menu.css
1079 ms
Editor.css
1102 ms
ColorPalette.css
1105 ms
tundra_rtl.css
1306 ms
Lightbox.css
1309 ms
SlideShow.css
1345 ms
ThumbnailPicker.css
1349 ms
Gallery.css
1376 ms
Badge.css
1379 ms
Magnifier.css
1568 ms
bg_rongrean_blue.jpg
4813 ms
btn_gotoclass.png
1919 ms
facebook_smal.png
1618 ms
homeButtonV.png
1650 ms
webboardButtonA.png
1654 ms
registerButtonA.png
2087 ms
paymentButtonA.png
1901 ms
loginButtonA.png
1670 ms
contactButtonA.png
1669 ms
hostingButtonA.png
1925 ms
designButtonA.png
1932 ms
RegisterLogo.png
1969 ms
RegisterJAVA.png
2094 ms
RegisterVDO.png
2165 ms
registerSample1.png
2233 ms
registerSample2.png
1934 ms
registerSample3.png
2208 ms
registerSample4.png
2259 ms
registerSample5.png
2355 ms
reason.png
3612 ms
rongreanSch1.png
3636 ms
html150_95.jpg
2216 ms
31082009.jpg
2483 ms
paper-500w.jpg
2845 ms
tvthai.jpg
2878 ms
dijit_rtl.css
2275 ms
Calendar_rtl.css
2544 ms
Dialog_rtl.css
2813 ms
Editor_rtl.css
2862 ms
Menu_rtl.css
2879 ms
Tree_rtl.css
3080 ms
TitlePane_rtl.css
3100 ms
TabContainer_rtl.css
3099 ms
Slider_rtl.css
3298 ms
Common_rtl.css
3316 ms
head-banner2.png
830 ms
head-animation.gif
280 ms
bg-navigation1.png
273 ms
registerBg.png
819 ms
RegisterCommentR.png
269 ms
RegisterCommentL.png
536 ms
optionA.png
706 ms
clickA2.png
449 ms
optionB.png
536 ms
clickB2.png
724 ms
click2.png
796 ms
blank.gif
796 ms
validationInputBg.png
974 ms
warning.png
998 ms
buttonEnabled.png
999 ms
rongrean.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
rongrean.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
rongrean.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
TH
EN
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 it does not match the claimed English language. 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.
rongrean.com
Open Graph data is detected on the main page of Rongrean. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: