Lubanu.com 鲁班学堂-鲁班学堂-BIM案例-BIM视频-算量软件培训-1+X

鲁班学堂——BIM技术学习培训平台，集鲁班BIM建模算量软件、鲁班BIM系统教程视频、BIM在线直播、BIM培训、BIM面授课程、高校BIM设计大赛、BIM认证，BIM考试等，整合了鲁班软件下载中心、电子鲁班论坛、鲁班百科等，资源集中，学习方便。

Lubanu.com Overview

Lubanu.com is a comprehensive website that provides access to software downloads, learning resources for building information modeling (BIM), modeling techniques, data downloads, video tutorials, expert lectures, and more. The site is easy to navigate, with well-organized sections that cater to users in the construction and engineering industries.

The website's title, 鲁班大学 (Luban University), suggests a commitment to education and knowledge-sharing. The site offers a wealth of resources for users at various skill levels, from beginners to advanced users. The inclusion of a dedicated channel (Luban Learning) for learning topics suggests the site's efforts towards building a robust learning community.

The site has 339 unique daily users, indicating a growing user base. The site's pageviews of 339 per day are low, which could suggest limited engagement or a smaller audience. However, the site's value of 2920 US dollars appears to be a promising metric, as it takes into account other factors such as domain age and organic search rankings.

The website is hosted by CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., a reliable hosting provider in China. The top-level domain is .COM, a standard domain, suitable for global brands.

It is not clear whether Lubanu.com is family-friendly, as the description provided does not indicate any objectionable material. It is possible to make this determination through further analysis of the site's content.

Finally, the site's PageSpeed Insights score of 42 suggests that the site may have room for improvement in terms of loading times. A website with faster loading times typically results in better user engagement and an improved user experience. Therefore, implementing techniques such as minification of code, reducing image sizes, and utilizing a content delivery network (CDN) may increase the site's speed score and overall user experience.

Lubanu.com Rank Summary

Global Rank

2,033,875

Average Load Time

1.03sec

Links In Count

Website Value

$2,920

Audience Geography. Where are lubanu.com visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on lubanu.com?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is lubanu.com?

Period	Global Rank	Global Rank Delta
past 3 months	2033875	330762

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	2750018	1217499	1	-63.713%	1	-66.667%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	1710812	-292893	2	9%

Lubanu.com Website Safety

Overview

Last Updated: 11/10/2024

Overall result - lubanu.com is safe.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 04/02/2024

lubanu.com is safe.

Norton ConnectSafe evaluates lubanu.com for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 01/10/2017

lubanu.com is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 01/09/2019

lubanu.com is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.

Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

Site Advisor

Last Updated: 03/02/2021

lubanu.com is safe.

McAfee assesses lubanu.com for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze lubanu.com for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 11/10/2024

lubanu.com child safety is unknown.

The WOT calculates reputation of the lubanu.com. This reputation system receives ratings from users and information from third-party sources, assesses the lubanu.com for safety features and confirms, whether lubanu.com is suitable for children.

SSL Information

SSL Checker Tool

Domain	www.lubanu.com
Issuer Organization	Let's Encrypt
Issuer	R10
Algorithm	RSA-SHA256
Valid form	07/08/2024
Expiration	10/06/2024
Signed	Certificate is not self signed
Additional Domains	www.lubanu.com

Lubanu.com Rank History

Alexa Rank shows how popular lubanu.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If lubanu.com has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to lubanu.com and pageviews on lubanu.com over the past 3 months.

Lubanu.com Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 37963

ASN Title: CNNIC-ALIBABA-CN-NET-AP Hangzhou Alibaba Advertising Co.,Ltd., CN

Last Update: 03/02/2024

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS37888 - AS38911'

as-block: AS37888 - AS38911
descr: APNIC ASN block
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role: APNIC Hostmaster
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address: South Brisbane
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country: AU
phone: +61 7 3858 3100
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% Information related to 'AS37936 - AS37970'

as-block: AS37936 - AS37970
descr: CNNIC ASN block
country: CN
remarks: These AS numbers are further assigned by CNNIC
remarks: to CNNIC members and end-users in China
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tech-c: IPAS1-AP
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source: APNIC

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tech-c: IP50-AP
nic-hdl: IPAS1-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-09-12T07:40:01Z
source: APNIC

% Information related to 'AS37963'

% Abuse contact for 'AS37963' is 'ipas@cnnic.cn'

aut-num: AS37963
as-name: CNNIC-ALIBABA-CN-NET-AP
descr: Hangzhou Alibaba Advertising Co.,Ltd.
descr: East Software Park, 99 Huaxing Rd.
descr: Hangzhou, China
country: CN
admin-c: ZM678-AP
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import: from AS4837
action pref=100;
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announce AS37963
mnt-routes: MAINT-CNNIC-AP
mnt-by: MAINT-CNNIC-AP
mnt-irt: IRT-CNNIC-CN
last-modified: 2013-07-24T02:44:02Z
source: APNIC

irt: IRT-CNNIC-CN
address: Beijing, China
e-mail: ipas@cnnic.cn
abuse-mailbox: ipas@cnnic.cn
admin-c: IP50-AP
tech-c: IP50-AP
auth: # Filtered
remarks: Please note that CNNIC is not an ISP and is not
remarks: empowered to investigate complaints of network abuse.
remarks: Please contact the tech-c or admin-c of the network.
mnt-by: MAINT-CNNIC-AP
last-modified: 2017-11-01T08:57:39Z
source: APNIC

person: Shuo Yu
address: 5F, Builing D, the West Lake International Plaza of S&T
address: No.391 Wen'er Road, Hangzhou City
address: Zhejiang, China, 310099
country: CN
phone: +86-0571-85022600
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e-mail: shuo.yus@alibaba-inc.com
e-mail: shuo.yus@aliyun-inc.com
nic-hdl: ZM678-AP
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last-modified: 2011-11-02T03:36:02Z
source: APNIC

person: Guoxin Gao
address: 5F, Builing D, the West Lake International Plaza of S&T
address: No.391 Wen'er Road, Hangzhou City
address: Zhejiang, China, 310099
country: CN
phone: +86-0571-85022600
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person: security trouble
e-mail: cloud-cc-sqcloud@list.alibaba-inc.com
address: 5th,floor,Building D,the West Lake International Plaza of S&T,391#Wen’er Road
address: Hangzhou, Zhejiang, China
phone: +86-0571-85022600
country: CN
mnt-by: MAINT-CNNIC-AP
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last-modified: 2013-07-08T02:56:02Z
source: APNIC

person: Guowei Pan
address: 5F, Builing D, the West Lake International Plaza of S&T
address: No.391 Wen'er Road, Hangzhou City
address: Zhejiang, China, 310099
country: CN
phone: +86-0571-85022088-30763
fax-no: +86-0571-85022600
e-mail: guowei.pangw@alibaba-inc.com
nic-hdl: ZM877-AP
mnt-by: MAINT-CNNIC-AP
last-modified: 2013-07-09T01:34:02Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

Lubanu.com Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

Domain Name: LUBANU.COM
Registry Domain ID: 1640624904_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.paycenter.com.cn
Registrar URL: http://www.xinnet.com
Updated Date: 2021-08-26T07:09:55Z
Creation Date: 2011-02-17T02:42:29Z
Registry Expiry Date: 2024-02-17T02:42:29Z
Registrar: Xin Net Technology Corporation
Registrar IANA ID: 120
Registrar Abuse Contact Email: supervision@xinnet.com
Registrar Abuse Contact Phone: +86.4008182233
Domain Status: ok https://icann.org/epp#ok
Name Server: F1G1NS1.DNSPOD.NET
Name Server: F1G1NS2.DNSPOD.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-03-18T23:30:32Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
lubanu.com	210.51.50.154	600

Host	MX Record	Priority	TTL

Host	NS Record	TTL
lubanu.com	f1g1ns2.dnspod.net	86400
lubanu.com	f1g1ns1.dnspod.net	86400

Host	TXT Record	TTL

f1g1ns1.dnspod.net
TTL: 600
Email address: freednsadmin.dnspod.com
Serial: 1544603887
Refresh: 3600
Retry: 180
Expire: 1209600
Minimum: 180

Lubanu.com HTML Check

HTML Validation Tool

Errors

Attribute “name” not allowed on element “aside” at this point.

The “tt” element is obsolete. Use CSS instead.

The “font” element is obsolete. Use CSS instead.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Bad value “” for attribute “src” on element “img”: Must be non-empty.

No “li” element in scope but a “li” end tag seen.

Attribute “x-webkit-speech” not allowed on element “input” at this point.

Attribute “name” not allowed on element “div” at this point.

No space between attributes.

Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.

Attribute “"” not allowed on element “img” at this point.

Attribute “xsrc” not allowed on element “img” at this point.

Duplicate ID “boutiqueCourse”.

Element “p” not allowed as child of element “h5” in this context. (Suppressing further errors from this subtree.)

Duplicate ID “thePackageCoursePriceTwo16”.

Duplicate attribute “target”.

Warnings

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Attribute “"” is not serializable as XML 1.0.

The first occurrence of ID “boutiqueCourse” was here.

The first occurrence of ID “thePackageCoursePriceTwo16” was here.

This document appears to be written in Simplified Chinese. Consider adding “lang="zh-hans"” (or variant) to the “html” start tag.

Lubanu.com Desktop Performance

Last tested: 12/18/2019

Desktop Speed

51%

Optimize images

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Minify JavaScript

Minify HTML

Enable compression

Desktop Resource Breakdown

Total Resources	52
Number of Hosts	3
Static Resources	23
JavaScript Resources	19
CSS Resources	6

Lubanu.com Mobile Insights

Last tested: 01/25/2019

Mobile Usability

61%

Use legible font sizes

Size content to viewport

Configure the viewport

Size tap targets appropriately

Mobile Speed

42%

Optimize images

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Minify JavaScript

Minify HTML

Enable compression

Mobile Resource Breakdown

Total Resources	71
Number of Hosts	2
Static Resources	42
JavaScript Resources	21
CSS Resources	6

Lubanu.com Common Typos

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www.lubanu.con

Lubanu.com 鲁班学堂-鲁班学堂-BIM案例-BIM视频-算量软件培训-1+X

Lubanu.com Overview

Lubanu.com Rank Summary

Lubanu.com Website Safety

Lubanu.com Rank History

Lubanu.com Hosting Information

Lubanu.com Domain Registration and Settings

Lubanu.com HTML Check

Lubanu.com Desktop Performance

Lubanu.com Mobile Insights

Lubanu.com Similar Audits

Lubanu.com Common Typos