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Nankai.edu.cn 南开大学教师邮件系统 - 邮箱用户登录

南开大学教师邮箱

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Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 09/16/2019

Nankai.edu.cn receives about ten thousand unique visitors and sixty thousand pageviews per day. The estimated value of nankai.edu.cn is one million USD. Each unique visitor makes about 6.2 pageviews on average.

Over the time nankai.edu.cn has been ranked as high as 5,227 in the world, while most of its traffic comes from China, where it reached as high as 1,858 position.

Nankai.edu.cn is registered under .CN top-level domain. Check other websites in .CN zone.

At the time of the last check (July 05, 2019) nankai.edu.cn has a valid and up-to-date wildcard SSL certificate that expires on October 29, 2020.

According to Google Safe Browsing, Google Safe Search and Symantec nankai.edu.cn is quite a safe domain.

Mobile-Friendly test indicates that nankai.edu.cn is well optimized for mobile and tablet devices.

Global Rank
10,931
Average Load Time
4.39sec
Links In Count
1,702
Website Value
$1.0 M
Overview
Last Updated: 12/13/2019
Overall result - "nankai.edu.cn" 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: 01/12/2019
NCS "nankai.edu.cn" OK.

Norton ConnectSafe evaluates nankai.edu.cn for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 02/07/2019
GSS "nankai.edu.cn" OK.

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
Malware not found at "nankai.edu.cn".
"nankai.edu.cn" is not a phishing page.
"nankai.edu.cn" does not install unwanted software.
"nankai.edu.cn" does not contain harmfull applications.
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: 01/09/2019
SA "nankai.edu.cn" OK.

McAfee assesses nankai.edu.cn 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 nankai.edu.cn for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 12/13/2019
WOT "nankai.edu.cn" UNKNOWN.

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

SSL Information
Domain *.nankai.edu.cn
Issuer Organization Unknown
Issuer GlobalSign Organization Validation CA - SHA256 - G2
Algorithm RSA-SHA256
Valid form 10/29/2018
Expiration 10/29/2020
Signed Certificate is not self signed
Additional Domains *.nankai.edu.cn
nankai.edu.cn
Server Location
Nankai
Hainan
China
ASN Information

ASN ID: 4538
ASN Title: ERX-CERNET-BKB China Education and Research Network Center, CN

Last Update: 05/30/2019

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

% Information related to 'AS4538'

% Abuse contact for 'AS4538' is 'abuse@net.edu.cn'

aut-num: AS4538
as-name: ERX-CERNET-BKB
descr: China Education and Research Network Center
descr: Tsinghua University
descr: Beijing 100084
country: CN
admin-c: JW410-AP
tech-c: JW410-AP
remarks: This aut-num object created as part of
remarks: the ER-Transfer from ARIN
mnt-by: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
last-modified: 2016-10-17T00:30:08Z
source: APNIC

irt: IRT-CERNET-AP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
fax-no: +86-10-62785933
e-mail: abuse@net.edu.cn
abuse-mailbox: abuse@net.edu.cn
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: http://www.ccert.edu.cn
mnt-by: MAINT-CERNET-AP
last-modified: 2010-11-26T03:14:01Z
source: APNIC

person: Jianping Wu
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing 100084
country: CN
phone: +86-10-2595931
e-mail: jianping@CERNET.EDU.CN
nic-hdl: JW410-AP
remarks: This person object created as part of the ER-Transfer from ARIN
mnt-by: MAINT-CN-CERNET
last-modified: 2008-09-04T07:29:20Z
source: APNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

HTML Metatags
Title
南开大学教师邮件系统 - 邮箱用户登录
The title has an optimal length. Search engines typically displays the first 50–70 characters of a title tag. If you keep your titles under 70 characters, our research suggests that you can expect about 90% of your titles to display properly.
Description
南开大学教师邮箱
The description is too short. If a description is too short, the search engines may add text found elsewhere on the page. Note that search engines may show a different description from the one you have authored if they feel it may be more relevant to a user's search.
Encoding
UTF-8
You should always specify the encoding used for an HTML page. If you don't, you risk that characters in your content are incorrectly interpreted. This is not just an issue of human readability, increasingly machines need to understand your data too.
Language
Language not found
Identifying the language of your content allows you to automatically do a number of things, from changing the look and behavior of a page, to assisting search engines in extracting information. If part of the page uses text in a different language, you can add a language attribute with a different value to the element that surrounds that content.
Language Region
Not Found
Images
Attribute ALT
Line 88, ...<img id="logo" src="/_upload/tpl/00/f6/246/template246/images/log...
Line 95, ...<img id="img_login" src="/_upload/tpl/00/f6/246/template246/image...
Line 107, ...<img src="" style="width:100%;height:100%;border:0;">...
As a general rule, search engines do not interpret the content of image files. The text provided in the <img alt> attribute enables the site owner to provide relevant information to the search engine and to the end user.
H1-H6 Tags Information

For search engines, <H> tags helps understand the structure of the text on a page better. For users, headings are like anchors in a wall of text, navigating them through the page and making it easier to digest. The <h1> tag reinforces the core keyword(s) found in the <title>, <description>, and the <body>. We recommend that the <h1> tag includes keywords that reflect the contents of the page and that it is not longer than 150 characters in length, but don’t overuse the tags and the keywords in them. Keep it readable for users.

H1
The H1 tag is missing
Your H1 introduces the topic your page is all about, just as a title tells a reader what a book is all about. Add a header to the page by using a H1 tag and place it within the BODY of the page source.
H2
The H2s are akin to book chapters, describing the main topics you’ll cover in sections of the article.
H3
Subsequent headers, H3s to H6s, serve as additional sub-headings within each section, just as a book chapter may be split up by multiple sub-topics.
H4
H5
H6
Iframes Information
iFrame
iFrames not found.
Since search engines consider the content in iframes to belong to another website, the best you can hope for is no effect on SEO. Iframes tend to neither help nor hurt your search engine ranking. For this reason, it’s best to refrain from using iframes on main pages that you want to rank high in search engine results. Instead, fill high-priority pages with useful, unique content and save iframes for other pages.
Code To Text Ratio
Code To Text Ratio
0.68 %
A good code to text ratio is anywhere from 25 to 70 percent. This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information. This has become especially apparent since search engines, such as Google, released the Panda update which placed importance on content-driven sites.
Favicons

Favicons are the little piece of graphic that represents your brand on browser tabs, bookmark lists, search history, search ads and even search results. These files are placed in a file called favicon.ico and placed in the root directory of a website. There are no direct SEO effects of having favicons. However, there may be indirect benefits such as increased usability of site and bookmarks. It makes your website look more professional and help a users to remember your site while browsing through multiple URLs. If you want to get mentioned benefits you have to specify icons for different web browsers and sometimes even for different mobiles.

Default Favicon
Backup icon for most desktop browsers (if no icon of the right size is found). Tag format <link rel="shortcut icon" href="path-to-16x16-icon.ico" type="image/x-icon" />
16x16 Optional Favicon
Standard icon for outdated browsers or small resolution hand held devices. Tag format <link rel="icon" type="image/png" sizes="16x16" href="path-to-16x16.png">
32x32 Optional Favicon
Standard for most desktop browsers. Tag format <link rel="icon" sizes="32x32" href="path-to-32x32.png">
96x96 Optional Favicon
Mostly used as GoogleTV icon. Tag format <link rel="icon" type="image/png" sizes="96x96" href="path-to-96x96.png">
Default Apple Icon
Backup icon for apple devices (if no icon of the right size is found). Preferrable size 60x60. Tag format <link rel="apple-touch-icon" sizes="72x72" href="path-to-small-icon.png">
180x180 Apple Icon
iPhone 6 plus icons. Tag format <link rel="apple-touch-icon" sizes="180x180" href="path-to-180x180.png">
152x152 Apple Icon
iPad, iPad mini icons. Tag format <link rel="apple-touch-icon" sizes="152x152" href="path-to-icon-152x152.png">
167x167 Apple Icon
iPad Pro icon. Tag format <link rel="apple-touch-icon" sizes="167x167" href="path-to-167x167.png">
Robots.txt Information

Robots.txt is a text file that website owners can create to tell search engine bots how to crawl and index pages on their site.

Robots File
Robots File failed Loaded (robots.txt)
If you don’t have a robots.txt file, then search engines will still crawl and index your website. However, you will not be able to tell search engines which pages or folders they should not crawl.
Sitemap

A sitemap is an XML file where is provided information about each URL: when it was last updated, how often it changes, and how important it is in relation to other URLs in the site. Search engines crawling bots read this file to more efficiently and intelligently crawl your site and to find URLs that may be isolated from rest of the site's content.

Default Sitemap
Sitemap File failed Loaded (sitemap.xml)
Your site will benefit from having a sitemap.
WHOIS

Out of this registry.

DNS Records
HostA RecordTTL
nankai.edu.cn202.113.16.333600
HostMX RecordPriorityTTL
nankai.edu.cnhzmx01.mxmail.netease.com53600
nankai.edu.cnhzmx02.mxmail.netease.com103600
HostNS RecordTTL
nankai.edu.cndns1.nankai.edu.cn3600
nankai.edu.cndns2.nankai.edu.cn3600
nankai.edu.cndns.nankai.edu.cn3600
HostTXT RecordTTL
nankai.edu.cnMS=77A200A51FD2C2E73E1F2618E1B7CD9548AE3B1A3600
nankai.edu.cnv=spf1 include:spf.163.com -all3600

ns.nankai.edu.cn
TTL: 3600
Email address: postmaster.nankai.edu.cn
Serial: 2019080103
Refresh: 28800
Retry: 7200
Expire: 604800
Minimum: 3600

Errors

Last tested: 08/02/2016

Desktop
Desktop Speed
67%
Desktop Resource Breakdown
Total Resources12
Number of Hosts1
Static Resources11
JavaScript Resources2
CSS Resources1

Last tested: 12/06/2019

Mobile
Mobile Usability
100%
Mobile Speed
72%
Mobile Resource Breakdown
Total Resources12
Number of Hosts3
Static Resources8
JavaScript Resources5
CSS Resources2
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