icourse163.org Domain Owner Whois and Analysis

DOMAIN OWNER WHOIS

ⓘ The owner has chosen to keep his whois contact information private.

SEO SCORE

icourse163.org
Make your link ↑ do-follow

✅ 7 criteria passed
❌ 4 criteria to solve

PERFORMANCE OPPORTUNITIES

Make your meta description eloquent and appealing, neither too short nor too long.

Follow Google PageSpeed Insights to make your page faster.

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OVERVIEW

• Domain Owner

Private

• Category

Distance Learning > Education > Language Learning

• Online since

February 25, 2014 Explore Wayback Machine

• Age

10 years, 1 month, 28 days

• Alexa Rank

#5.309, icourse163.org is in the world's top 10.000 websites!

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TECHNICAL SEO & SECURITY

❌ SSL Certificate

This website is not SSL secured (HTTPS), the certificate issued by DigiCert Inc has expired on May 31, 2020.

✅ Title Tag

中国大学MOOC(慕课)_国家精品课程在线学习平台
Length: 61 (recommended: 10 to 70)

❌ Meta Description

中国大学MOOC(慕课) 是国内优质的中文MOOC学习平台，由爱课程网携手网易云课堂打造。平台拥有包括985高校在内提供的千余门课程，其中首批获得认定的国家精品在线开放课程322门，占2017年获得认定课程总数的65.7%。每一个有提升愿望的人，都可以在这里学习优质高校课程，与名师零距离交流，并获得认证证书。
Length: 413 (recommended: 50 to 160)

ⓘ Google preview

Desktop Version

中国大学MOOC(慕课)_国家精品课程在线学习平台

https://icourse163.org

Mobile Version

https://icourse163.org

中国大学MOOC(慕课)_国家精品课程在线学习平台

中国大学MOOC(慕课) 是国内优质的中文MOOC学习平台，由爱课程网携手网易云课堂打造。平台拥有包括985高校在内提供的千余门课程，其中首批获得认定的国家精品在线开放课程322门，占2017年获得认定课程总数的65.7%。每一个有提升愿望的人，都可以在这里学...

✅ Encoding

Great, language/character encoding is specified: utf-8

✅ URL Resolve

Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.

URL	Resolved URL
http://icourse163.org	https://www.icourse163.org/
https://icourse163.org	https://www.icourse163.org/
http://www.icourse163.org	https://www.icourse163.org/
https://www.icourse163.org	https://www.icourse163.org/

✅ Robots.txt

https://www.icourse163.org/robots.txt

✅ URL Parameters

Great, the domain URLs look clean.

Attribute	Value
ⓘ author	Netease
ⓘ robots	all

SEMANTIC ANALYSIS

ⓘ The owner has associated the following topics to the website.

WEBSITE SPEED

❌ icourse163.org website speed is very slow. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time

3.1s

This domain loads at the median speed of 3.1 seconds.

Speed Percentile

21%

icourse163.org is faster than approximately 21 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.

A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.

PAGESPEED INSIGHTS

Page on which speed is tested live:

Chrome User Experience Report Results

Lighthouse Results

TRAFFIC

ⓘ This website is ranked #5.309 by Alexa.

This rank is traffic based. The lower the rank is, the better the domain is ranked.

Daily visitors by country

China (98.0%)
Others (3.1%)

Traffic country ranks

Country	Rank
China	#461
United States of America	#86.258

LAYOUT

ⓘ Doctype Missing

ⓘ Responsive website, mobile-friendly.

Mobile Rendering

This website doesn't seem to be optimized for Mobile Visitors.

Phone
How icourse163.org looks like on a mobile device such as an iPhone.

Tablet
How icourse163.org looks like on a tablet such as an iPad.

Main colors used

ⓘ These are the main HTML color codes used by this website.

55% #b0b0b0
8% #b04040
3% #ffffff
3% #a03060
2% #a02030
2% #903080
2% #401000
2% #f0f0f0
2% #300000
2% #b09090
2% #f0d0a0
2% #f0e0b0

Text/code ratio

ⓘ icourse163.org's text/code ratio is 2.90%. It's a bit low. Consider raising it by adding more text content of value for your visitors, or keeping your code clean.

Text / Code Ratio 2.90%

A good text to HTML ratio is anywhere from 25 to 70%.

This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.

Main HTML tags

✅ Headings

Great, we found headings on this page.

<H1> 0
<H2> 0
<H3> 0
<H4> 3
<H5> 3
<H6> 0

However, you have not defined a top level heading, or <H1>. It is used to define the most important heading.

We recommend using one top level heading to set up a semantic relationship between that heading and the remainder of the content on a page. It clearly describes to the readers and the search engines what it is about.

<H4>

4^th level heading
友情链接
关注我们
关于我们

<H5>

5^th level heading
大学
升学/择业
终身学习

❌ Alt attributes

We found 188 images on this website.
121 ALT attributes are missing on your image tags. The issue affects 112 actual different images that could be loaded more than once in your page.

For a better readability, only the first 50 images missing a description are shown below.

Image	Image URL	Occurrences
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	http://edu-image.nosdn.127.net/7E579FCD5378BFAC9D2F3B1FF59EA0BD.png?imageView&thumbnail=582y582&qual...	1
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	https://edu-image.nosdn.127.net/930eabeb920a41d98990634ad71d8af8.jpg?imageView&quality=100	1
	https://edu-image.nosdn.127.net/a04d1e09db5c41d08276849d21f085e9.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/22cdbe8a39f64334a8caa9684a7a5271.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/5a160370e5fd4f45bee333c59c3c21ea.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/213e85aacfc345fea754a5867b1d11f0.jpg?imageView&quality=100	1
	https://edu-image.nosdn.127.net/053A16934C40E356C845B5C073FA9FF3.png?imageView&thumbnail=510y288&qua...	1
	https://edu-image.nosdn.127.net/46cfe133b7134d9e9009351bb4a2785a.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/d1f0d348349448b4a437c587ad55b9c0.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/221c29b6adb4475894cdb672a40034c4.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/ecfe5c30afcc47e7b52f4cb7004d50f6.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/7d91eb42bddb49a8857f2b48bb1af4f7.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/bb0d5f09885f492b983ae34017e9be8b.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/cbe353cb632544dab7c6f8f8814749db.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/4597199871c74c8fb2e098359cb7b88b.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/eba27e089d5842b08ecb22c7b147ad37.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/20ca6d83a7544faea0d9f3540850d677.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/40f3f70fa60c45428c3abc0a9c8b9681.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/231ab368c506455ea5fd17679e8dc4c9.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/1bc0fc2c0a4841abaa943b9974724707.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/27d85d00b140437d8e31c5b0b5082cd5.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/a2ded546961a43759eb4183510dc2eaf.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/c72253734a4a49c8a791eb7d6b862827.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/079d0903751c4b66acb266192bce3e9e.png?imageView&quality=100	1
	https://edu-image.nosdn.127.net/54570a3c1afc4bdb933619cb1c64e6c7.png?imageView&quality=100	1

Alternative text allows you to add a description to an image.

Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.

It looks like you're missing alternative text for 121 images on icourse163.org. Check your website to make sure it's specified for each image on the page.

LINKS

ⓘ There is a total of 91 links on the homepage of this website.

ⓘ Internal links : 89

For a better readability, only the first 50 internal links are shown below.

Anchor	Type	URL
	image	//www.icourse163.org
学校	text	//www.icourse163.org/university/view/all.htm
学校云	text	//www.icourse163.org/spoc/schoolcloud/index.htm
下载APP	text	//www.icourse163.org/mobile.htm?from=navibar&mobiletopbar=hidden
No anchor	empty	//itunes.apple.com/cn/app/id977883304
No anchor	empty	//study.163.com/pub/ucmooc/ucmooc-android-official.apk
	image	//www.icourse163.org/
	image	https://www.icourse163.org/topics/exam2019_w
	image	https://www.icourse163.org/topics/shuang12mszl_w/
	image	https://www.icourse163.org/channel/4003.htm
	image	https://www.icourse163.org/course/ustb-1206874802
	image	https://www.icourse163.org/topics/21kaoyanyingyu_m
国家精品	text	https://www.icourse163.org/channel/2001.htm
外语	text	https://www.icourse163.org/channel/2002.htm
计算机	text	https://www.icourse163.org/channel/3002.htm
考研	text	https://www.icourse163.org/channel/4001.htm
理工补习	text	https://www.icourse163.org/channel/4003.htm
四六级	text	https://www.icourse163.org/channel/3001.htm
考证就业	text	https://www.icourse163.org/channel/6001.htm
工学	text	https://www.icourse163.org/channel/3003.htm
理学	text	https://www.icourse163.org/channel/2003.htm
经济管理	text	https://www.icourse163.org/channel/3004.htm
文史哲	text	https://www.icourse163.org/channel/3005.htm
艺术设计	text	https://www.icourse163.org/channel/3006.htm
心理学	text	https://www.icourse163.org/channel/3007.htm
医药卫生	text	https://www.icourse163.org/channel/3008.htm
法学	text	https://www.icourse163.org/channel/3009.htm
教育教学	text	https://www.icourse163.org/channel/3010.htm
农林园艺	text	https://www.icourse163.org/channel/3011.htm
全部557所合作高校	text	//www.icourse163.org/university/view/all.htm
	image	//www.icourse163.org/live/480000001944932.htm
	image	//www.icourse163.org/live/480000001943709.htm
	image	//www.icourse163.org/live/480000001947066.htm
	image	//www.icourse163.org/live/480000001944917.htm
	image	//www.icourse163.org/course/-1003635003
	image	//www.icourse163.org/course/-1207518810
	image	//www.icourse163.org/course/xmu-1207180815
	image	//www.icourse163.org/course/scu-1206680843
	image	//www.icourse163.org/course/tufc-1206039802
	image	//www.icourse163.org/course/swjtu-1002535016
	image	//www.icourse163.org/course/whu-1002046011
	image	//www.icourse163.org/course/bısu-1207437808
	image	//www.icourse163.org/course/gucas-1207039810
	image	//www.icourse163.org/course/viontech-1003051007
	image	https://www.icourse163.org/topics/lilyxueyingyu_w
	image	https://www.icourse163.org/columns/1207549208.htm
	image	https://www.icourse163.org/columns/1206522216.htm
外语	text	//www.icourse163.org/channel/2002.htm
职业发展英语	text	//www.icourse163.org/course/hıt-1206876802
	image	http://www.icourse163.org/topics/2018nationallevelmooc/

ⓘ External links : 2

Anchor	Type	URL
	image	https://www.wjx.cn/jq/51591308.aspx
网易卡搭编程	text	https://www.kada.com/?utm_source=www.icourse163.org/&utm_medium=bottom_links&utm_campaign=bu...

DOMAIN REGISTRAR

ⓘ Domain Registrar	ALIBABA CLOUD COMPUTING (BEIJING) CO., LTD.
ⓘ Registration Date	02/25/2014 10 years, 1 month, 28 days ago
ⓘ Last Modified	11/12/2019 4 years, 5 months, 13 days ago

Nameservers

Host	IP Address	Country
ns3.nease.net	220.181.36.234	China
ns1.nease.net	123.58.173.177	China
ns2.nease.net	103.71.201.3	China
ns4.nease.net	103.72.16.81	China
ns5.nease.net	121.195.179.18	China
ns6.nease.net	52.215.24.44	Ireland

SERVER DETAILS

ⓘ Service Provider (ISP)
Netease-Network
ⓘ IP Address
223.252.199.73
ⓘ Country
China
ⓘ Region
Beijing , Beijing
ⓘ Latitude and Longitude
39.9042 : 116.407

BROWSE ANALYSES

Domain
primemri.com
thefrugalgirls.com
wheresmybank.com
yieldify.com
icourse163.org
b2b168.com
advertise.com
ivalua.com
poliva.vn

Whois & Analysis for icourse163.org

DOMAIN OWNER WHOIS

SEO SCORE

PERFORMANCE OPPORTUNITIES

SPARK YOUR SIDE HUSTLE

OVERVIEW

FREE FORM BUILDER

TECHNICAL SEO & SECURITY

SEMANTIC ANALYSIS

WEBSITE SPEED

Page Loading Time

3.1s

Speed Percentile

21%

PAGESPEED INSIGHTS

TRAFFIC

Daily visitors by country

Traffic country ranks

LAYOUT

Main colors used

Text/code ratio

Main HTML tags

LINKS

SOCIAL MEDIA PRESENCE

DOMAIN REGISTRAR

SERVER DETAILS

BROWSE ANALYSES