classi.jp

Classi(クラッシー) - 学校教育のICT活用を支援するクラウドサービス

Alexa Ranking

Global Rank Country Rank : JP Valuation
25,788
1,663
1M
USD

Valuation

Classi.jp has about 123K visitors each day. The website has a global traffic rank of #25,788 in the world. And It has a global reach rank of #31,750 globally. This website is estimated worth of $1M and have a daily income of around $1K. As no active threats were reported recently by users, it is SAFE to browse.

Visitors Revenue
Daily 123,011 $1,175
Weekly 861,080 $8,223
Monthly 3,813,352 $36,418
Yearly 44,899,148 $428,787
Alexa Traffic Rank
Search Traffic (Percent %)

SEO Analysis

Google Preview

Classi(クラッシー) - 学校教育のICT活用を支援するクラウドサービス
https://classi.jp/
Classiは、ICTを使って教育現場をサポートするクラウドサービスです。PCやタブレット、スマートフォンにも対応し、高校、中学校、小学校、専門学校など多くの教育現場で活用されています。
title tag exists: Classi(クラッシー) - 学校教育のICT活用を支援するクラウドサービス
description tag exists: Classiは、ICTを使って教育現場をサポートするクラウドサービスです。PCやタブレット、スマートフォンにも対応し、高校、中学校、小学校、専門学校など多くの教育現場で活用されています。
keywords tag exists: Classi,クラッシー,ICT,教育,学校,学習,アクティブ・ラーニング,アダプティブラーニング,PBL
icon tag is missing.
charset tag exists: utf-8
theme-color tag is missing.
viewport tag exists: width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0
Found 2 <H2> tags.
Found 12 <H3> tags.
h1 tag missing.
Found 1 render blocking scripts
Found 1 render blocking CSS
Structured data is missing. You should create one and test it
Found total 55 links. Found 9 external links and 46 internal links.
Found 26 images and 0 ALT attributes are empty or missing.
Not Found flashes.
Found 1 iframes.
Html is gziped.
keep-alive
AmazonS3
Found Analytics
Make sure the important files exist for seo: robots.txt, sitemap.xml, ads.txt, favicon.ico
Webpage loaded in 1802.305 ms. It's too slow.

Screenshot

classi.jp screenshot

DNS

Name Ip
ns-970.awsdns-57.net.
AMAZON-02 - Amazon.com, Inc., US
205.251.195.202
Location: US
ns-970.awsdns-57.net.
AMAZON-02 - Amazon.com, Inc., US
2600:9000:5303:ca00::1
Location: US
ns-299.awsdns-37.com.
AMAZON-02 - Amazon.com, Inc., US
205.251.193.43
Location: US
ns-299.awsdns-37.com.
AMAZON-02 - Amazon.com, Inc., US
2600:9000:5301:2b00::1
Location: US
ns-1050.awsdns-03.org.
AMAZON-02 - Amazon.com, Inc., US
205.251.196.26
Location: US
ns-1050.awsdns-03.org.
AMAZON-02 - Amazon.com, Inc., US
2600:9000:5304:1a00::1
Location: US
ns-1677.awsdns-17.co.uk.
AMAZON-02 - Amazon.com, Inc., US
205.251.198.141
Location: US
ns-1677.awsdns-17.co.uk.
AMAZON-02 - Amazon.com, Inc., US
2600:9000:5306:8d00::1
Location: US
NS
Identical
OK : NS of all nameservers are identical
Multiple
OK : Multiple nameservers found
Subnet
OK : Your nameservers are in different subnets.
MultipleAS
WARN: Nameservers are all on the same AS (AS16509). This is a single point of failure.
IPv4IPv6
OK : IPv4 and IPv6 nameservers found.
Auth
OK : All nameservers are authoritative.
Recursive
OK : All nameservers report they are not allowing recursive queries.
ParentListed
OK : Your nameservers are also listed as NS at the parent nameservers
SelfListed
OK : Your parent nameservers are also listed as NS at your nameservers
CNAME
OK : No CNAMEs found for your NS records
GLUE
Parent
WARN: no glue records found for [205.251.195.202 2600:9000:5303:ca00::1 205.251.196.26 2600:9000:5304:1a00::1 205.251.198.141 2600:9000:5306:8d00::1 205.251.193.43 2600:9000:5301:2b00::1] in NS of parent jp.
Self
WARN: no glue records found for [2600:9000:5301:2b00::1 205.251.195.202 2600:9000:5303:ca00::1 205.251.196.26 2600:9000:5304:1a00::1 205.251.198.141 2600:9000:5306:8d00::1 205.251.193.43] in NS of classi.jp.
SOA
Identical
OK : SOA of all nameservers are identical
Serial
WARN: Serial is not in the recommended format of YYYYMMDDnn.
MNAME
OK : MNAME ns-1677.awsdns-17.co.uk. is listed at the parent servers.
RFC1918
OK : Your nameservers have public / routable addresses.
MX
Identical
OK : MX of all nameservers are identical
Multiple
OK : Multiple MX records found
RFC1918
OK : Your MX records have public / routable addresses.
DuplicateIP
WARN: Same IP 173.194.203.27 is used by multiple MX records [aspmx2.googlemail.com. alt1.aspmx.l.google.com.].
DuplicateIP
WARN: Same IP 108.177.8.27 is used by multiple MX records [aspmx3.googlemail.com. alt2.aspmx.l.google.com.].
DuplicateIP
WARN: Same IP 2607:f8b0:4003:c12::1a is used by multiple MX records [aspmx3.googlemail.com. alt2.aspmx.l.google.com.].
CNAME
OK : No CNAMEs found for your MX records
Reverse
OK : All MX records have reverse PTR records
Web
WWW
OK : Found a www record
Apex
OK : Found a root record
ApexCNAME
OK : Didn't find a CNAME for the root record
RFC1918
OK : Your www record has a public / routable address.
Spam
DMARC
WARN: No DMARC records found. Along with DKIM and SPF, DMARC helps prevent spam from your domain.
SPF
OK : SPF records found.
SPF
WARN: SPF record set to softfail.

Whois

Basic info

Updated 12:57 (JST)
[ JPRS database provides information on network administration. Its use is    ]
[ restricted to network administration purposes. For further information,     ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e'     ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'.                 ]

Domain Information:
[Domain Name]                   CLASSI.JP

[Registrant]                    Classi Corp.

[Name Server]                   ns-1677.awsdns-17.co.uk
[Name Server]                   ns-299.awsdns-37.com
[Name Server]                   ns-1050.awsdns-03.org
[Name Server]                   ns-970.awsdns-57.net
[Signing Key]                   

[Created on]                    2014/03/28
[Expires on]                    2020/03/31
[Status]                        Active
[Last Updated]                  2019/04/01 01:12:57 (JST)

Contact Information:
[Name]                          Tomonori Homma
[Email]                         a35310541566782bd9ec3280725a9300-5571552@contact.gandi.net
[Web Page]                       
[Postal code]                   75013
[Postal Address]                Obfuscated whois Gandi-63-65 boulevard Massena
                                Obfuscated whois Gandi-Paris
[Phone]                         +33.170377666
[Fax]                           +33.143730576

IP Whois

IP: 99.86.181.20

NetRange 99.85.128.0 - 99.87.191.255
CIDR 99.87.128.0/18, 99.87.0.0/17, 99.86.0.0/16, 99.85.128.0/17
NetName AMAZO-4
NetHandle NET-99-85-128-0-1
Parent NET99 (NET-99-0-0-0-0)
NetType Direct Allocation
OriginAS AS16509
Organization Amazon.com, Inc. (AMAZO-4)
RegDate 2018-01-10
Updated 2018-01-11
 
OrgName Amazon.com, Inc.
OrgId AMAZO-4
Address Amazon Web Services, Inc.
Address P.O. Box 81226
City Seattle
StateProv WA
PostalCode 98108-1226
Country US
RegDate 2005-09-29
Updated 2018-09-19
Comment For details of this service please see
 
OrgNOCHandle AANO1-ARIN
OrgNOCName Amazon AWS Network Operations
OrgNOCPhone +1-206-266-4064
OrgNOCEmail amzn-noc-contact@amazon.com
 
OrgAbuseHandle AEA8-ARIN
OrgAbuseName Amazon EC2 Abuse
OrgAbusePhone +1-206-266-4064
OrgAbuseEmail abuse@amazonaws.com
 
OrgTechHandle ANO24-ARIN
OrgTechName Amazon EC2 Network Operations
OrgTechPhone +1-206-266-4064
OrgTechEmail amzn-noc-contact@amazon.com
 

Http Header

Key Value
Content-Type text/html
Transfer-Encoding chunked
Connection keep-alive
Date Tue, 18 Jun 2019 16:39:05 GMT
Last-Modified Mon, 17 Jun 2019 04:16:59 GMT
Server AmazonS3
Content-Encoding gzip
Vary Accept-Encoding
X-Cache RefreshHit from cloudfront
Via 1.1 7e08f580036e0df4375b0b20ab0a2bc8.cloudfront.net (CloudFront)
X-Amz-Cf-Pop KUL50-C1
X-Amz-Cf-Id rc8rBzdvpGPNwES-jFyww5TFJOXpgKIpViXRoEnGyopLLgojpFNe2g==

Server Location

continent North America
country United States
city Seattle
accuracy_radius 1000
latitude 47.5413
longitude -122.3129
metro_code 819
time_zone America/Los_Angeles
postal 98108

Safety

Virus detection ratio: 0 / 70

Scan date: 2019-06-17 02:06:01

CLEAN MX SAFE
DNS8 SAFE
VX Vault SAFE
ZDB Zeus SAFE
Tencent SAFE
MalwarePatrol SAFE
Netcraft SAFE
PhishLabs SAFE
Zerofox SAFE
K7AntiVirus SAFE
FraudSense SAFE
Virusdie External Site Scan SAFE
Spamhaus SAFE
Quttera SAFE
AegisLab WebGuard SAFE
MalwareDomainList SAFE
ZeusTracker SAFE
zvelo SAFE
Google Safebrowsing SAFE
Kaspersky SAFE
BitDefender SAFE
Dr.Web SAFE
G-Data SAFE
Segasec SAFE
OpenPhish SAFE
Malware Domain Blocklist SAFE
AutoShun SAFE
Trustwave SAFE
Web Security Guard SAFE
CyRadar SAFE
desenmascara.me SAFE
ADMINUSLabs SAFE
Malwarebytes hpHosts SAFE
Opera SAFE
AlienVault SAFE
Emsisoft SAFE
Malc0de Database SAFE
malwares.com URL checker SAFE
Phishtank SAFE
EonScope SAFE
Malwared SAFE
Avira SAFE
NotMining SAFE
CyberCrime SAFE
Antiy-AVL SAFE
Forcepoint ThreatSeeker SAFE
SCUMWARE.org SAFE
ESTsecurity-Threat Inside SAFE
Comodo Site Inspector SAFE
Malekal SAFE
ESET SAFE
Sophos SAFE
Yandex Safebrowsing SAFE
SecureBrain SAFE
Nucleon SAFE
BADWARE.INFO SAFE
Sucuri SiteCheck SAFE
Blueliv SAFE
ZCloudsec SAFE
CRDF SAFE
ThreatHive SAFE
FraudScore SAFE
Rising SAFE
URLQuery SAFE
StopBadware SAFE
Fortinet SAFE
ZeroCERT SAFE
Spam404 SAFE
securolytics SAFE
Baidu-International SAFE

Web Speed

Total Time: 1,802ms

Namelookup Time 1510.261ms
Connect Time 1515.734ms
Pretransfer Time 1602.533ms
Starttransfer Time 1801.809ms
Total Time 1802.305ms