Access itc-trainingcenter.net. ศูนย์อบรม ITcert เปิดอบรมหลักสูตรด้านไอทีตั้งแต่ปี 2005

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.073

96/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

itc-trainingcenter.net

605 ms

www.itcert2005.com

601 ms

www.itcert2005.com

1810 ms

css

35 ms

itcert.css

1152 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Itc-trainingcenter.net, 92% (130 requests) were made to Itcert2005.com and 2% (3 requests) were made to Trustmarkthai.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Itcert2005.com.

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Itc-trainingcenter.net main page is 1.4 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. 50% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 47.9 kB

Original 58.4 kB
After minification 50.1 kB
After compression 10.5 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 8.3 kB, which is 14% 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 47.9 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 67.3 kB

Original 1.1 MB
After minification 1.0 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. Itc Trainingcenter images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 120.1 kB

Original 226.9 kB
After minification 223.7 kB
After compression 106.8 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 120.1 kB or 53% of the original size.

CSS Optimization

-84%

Potential reduce by 15.5 kB

Original 18.3 kB
After minification 13.4 kB
After compression 2.9 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. Itc-trainingcenter.net needs all CSS files to be minified and compressed as it can save up to 15.5 kB or 84% of the original size.

Requests Now

136

After Optimization

126

The browser has sent 136 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itc Trainingcenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts 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 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

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 items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

Search Engine Optimization Advices

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

High

Links are not crawlable

High

Page is blocked from indexing

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

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 Itc-trainingcenter.net 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 Itc-trainingcenter.net 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

itc-trainingcenter.net

Open Graph data is detected on the main page of Itc Trainingcenter. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

ศูนย์อบรม ITcert เปิดอบรมหลักสูตรด้านไอทีตั้งแต่ปี 2005

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

itc-trainingcenter.net

www.itcert2005.com

www.itcert2005.com

css

itcert.css

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

itc-trainingcenter.net

www.itcert2005.com

www.itcert2005.com

css

itcert.css

jquery-1.4.2.min.js

jquery.js

main.js

initialize.js

widgets.js

script.js

autoadvance.js

jquery.min.js

th.png

itcert-logo.jpg

MRT-PinkLine-900x300-banner.jpg

LineOA-ITC.png

B-Linux-24-01.jpg

h_ms02.jpg

h_excel22.jpg

VM7-Course.jpg

h_dev02.jpg

P16-05.jpg

P16-06.jpg

P16-07.jpg

B-CCNA200-120.jpg

B-Windows2019.png

B-Linux2.jpg

B-VIRTUALIZATION2.png

B-Programming.jpg

B-MicrosoftOffice2013.jpg

5760eae4b90d1.jpeg

5760ea15975c0.jpeg

5760e91f4eeba.jpeg

5760e7f570dd8.jpeg

5760e5338ab32.jpeg

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