Hyuki.com 結城浩 / Hiroshi Yuki / The Essence of Programming / プログラミングのエッセンス
書籍『数学ガール』作者、結城浩の個人サイト。数学、プログラミング、文章書きに関する情報と、気軽な読み物。
Server IP address resolved: NoHttp response code: None
Last Checked: 03/10/2023
Over the time hyuki.com has been ranked as high as 36,102 in the world, while most of its traffic comes from Japan, where it reached as high as 37,401 position.
Hyuki.com receives about 971 unique visitors and 1,651 pageviews per day. The estimated value of hyuki.com is 21,900 USD. Each unique visitor makes about 1.7 pageviews on average.
Hyuki.com is registered under .COM top-level domain. Check other websites in .COM zone.
At the time of the last check (June 18, 2023) hyuki.com has an expired SSL certificate issued by Let's Encrypt (expired on September 05, 2023). Check other websites using SSL certificates issued by Let's Encrypt.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust hyuki.com is quite a safe domain.
Mobile-Friendly test indicates that hyuki.com is well optimized for mobile and tablet devices, however website page loading time could be improved.
Audience Geography. Where are hyuki.com visitors located?
| Country | Rank |
|---|---|
 Japan JP | 37401 |
| Country | Percent of Pageviews |
|---|---|
| Japan JP | 97.3% |
| Other | 2.8% |
| Country | Percent of Visitors |
|---|---|
| Japan JP | 96.9% |
| Other | 3.2% |
Where do visitors go on hyuki.com?
| Subdomain | Pageviews |
|---|---|
| hyuki.com | 100% |
| Subdomain | Pageviews per User |
|---|---|
| hyuki.com | 1 |
| Subdomain | Reach |
|---|---|
| hyuki.com | 100% |
How popular is hyuki.com?
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 384473 | -82258 | 13 | 30% |
| 30 | 334003 | 45242 | 2 | -18.39% |
| 7 | 309519 | 18331 | 2 | -7.683% |
| 1 | 1473056 | 0 | 2 | 0% |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 548015 | 50478 | 6 | -10.51% | 1.7 | -30.95% |
| 30 | 653362 | 196859 | 5 | -40.07% | 1 | -26.28% |
| 7 | 679151 | 34674 | 5 | -7.683% | 1 | 0% |
| 1 | 1634925 | 0 | 1 | 0% | 1 | 0% |
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 413538 | -41552 |
| past month | 405576 | 86041 |
| past week | 398338 | 24099 |
| yesterday | 1532884 | 0 |
Alexa Rank shows how popular hyuki.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If hyuki.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 hyuki.com and pageviews on hyuki.com over the past 3 months.
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 ConnectSafe evaluates hyuki.com for any unsafe and insecure content. The results are critical for families with young children.
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.
"hyuki.com" is not a phishing page.
"hyuki.com" does not install unwanted software.
"hyuki.com" 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.
McAfee assesses hyuki.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 hyuki.com for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the hyuki.com. This reputation system receives ratings from users and information from third-party sources, assesses the hyuki.com for safety features and confirms, whether hyuki.com is suitable for children.
| Domain | hyuki.com |
| Issuer Organization | Let's Encrypt |
| Issuer | R3 |
| Algorithm | RSA-SHA256 |
| Valid form | 06/07/2023 |
| Expiration | 09/05/2023 |
| Signed | Certificate is not self signed |
| Additional Domains | hyuki.com www.hyuki.com www.hyuki.net |
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US
Last Update: 10/14/2023
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509
OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4
OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
Domain Name: HYUKI.COM
Registry Domain ID: 15371620_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.jprs.jp
Registrar URL: http://jprs.jp/registrar/
Updated Date: 2021-04-12T01:37:12Z
Creation Date: 1999-12-16T08:35:50Z
Registry Expiry Date: 2022-12-16T08:35:50Z
Registrar: Japan Registry Services Co., Ltd.
Registrar IANA ID: 1485
Registrar Abuse Contact Email: gtld-abuse@jprs.jp
Registrar Abuse Contact Phone: +81.352158457
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.DNS.NE.JP
Name Server: NS2.DNS.NE.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-06-01T15:15:56Z
| Host | A Record | TTL |
|---|---|---|
| hyuki.com | 219.109.139.69 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| hyuki.com | hyuki.com | 10 | 300 |
| Host | NS Record | TTL |
|---|---|---|
| hyuki.com | ns1.netplatz.jp | 300 |
| hyuki.com | ns2.netplatz.jp | 300 |
| Host | TXT Record | TTL |
|---|---|---|
| hyuki.com | v=spf1 ip4:219.109.139.0/24 ~all | 300 |
ns1.netplatz.jp
TTL: 300
Email address: root.netplatz.jp
Serial: 2018070100
Refresh: 600
Retry: 600
Expire: 86400
Minimum: 600
Last tested: 05/22/2018
| Total Resources | 55 |
| Number of Hosts | 13 |
| Static Resources | 43 |
| JavaScript Resources | 7 |
| CSS Resources | 4 |
Last tested: 09/05/2018
| Total Resources | 53 |
| Number of Hosts | 13 |
| Static Resources | 43 |
| JavaScript Resources | 7 |
| CSS Resources | 4 |
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