Access ibrain.com.tw. ibrain知識達學習網-獨家發行高點SD卡離線課程/雲端課程

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value1,440 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.529

14/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

ibrain.com.tw

1455 ms

Default.js

868 ms

Default.css

1303 ms

ibrain2013_index_bg.gif

232 ms

ibrain_index_bg.gif

229 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 92% of them (54 requests) were addressed to the original Ibrain.com.tw, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Ibrain.com.tw.

Content Size

218.4 kB

After Optimization

62.0 kB

In fact, the total size of Ibrain.com.tw main page is 218.4 kB. 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. Javascripts take 141.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 30.7 kB

Original 37.2 kB
After minification 28.9 kB
After compression 6.5 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 22% 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 30.7 kB or 82% of the original size.

JavaScript Optimization

-65%

Potential reduce by 92.6 kB

Original 141.9 kB
After minification 137.0 kB
After compression 49.2 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 92.6 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 33.1 kB

Original 39.3 kB
After minification 31.4 kB
After compression 6.2 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. Ibrain.com.tw needs all CSS files to be minified and compressed as it can save up to 33.1 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ibrain. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests 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

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 keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

JA
Language Claimed

ZH
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ibrain.com.tw can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Ibrain.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

ibrain.com.tw

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

ibrain知識達學習網-獨家發行高點SD卡離線課程/雲端課程

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

ibrain.com.tw

Default.js

Default.css

ibrain2013_index_bg.gif

ibrain_index_bg.gif

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

ibrain.com.tw

Default.js

Default.css

ibrain2013_index_bg.gif

ibrain_index_bg.gif

ibrain2015_index_m1.gif

ibrain2013_index_m2.gif

ibrain2013_search-01.gif

ibrain2013_index_m3.gif

ibrain2015_line.gif

ibrain2015_c_icon.gif

ibrain2013_main_t1_top.gif

ibrain2013_main_t1_end.gif

ibrain2013_main_t2_top.gif

ibrain2013_main_t2_end.gif

ibrain2013_tutor_icon.gif

ibrain2013_R1-sign.gif

ibrain2013_R1_bg.gif

SDbtn.gif

ibrainPlayerDownload.gif

ibrain2013_icon_more.gif

ibrain2013_R2_24h.gif

ibrain2013_R2_allstore.gif

ibrain2013_copyright.gif

globaltrust_seal.gif

ibrain_index_logo.gif

ghi-mail-icon.gif

jquery-1.4.2.min.js

announce.aspx

AD.aspx

billboard.aspx

info.aspx

onlineservice.asp

course.aspx

ibrain2015_c1.gif

ibrain2015_c2.gif

ibrain2015_c3.gif

ibrain2013_main_t1_bg.gif

ibrain2013_R1.gif

analytics.js

collect

collect

ibrain2013_R2.gif

ibrain2013_R2_bg1.gif