/100
Optimization 78/100
Overall, Fourmilab.ch is a well-structured website that offers a vast amount of information and resources to its users. The site's name Fourmilab means "ant lab" in French, and the site lives up to its name by offering a diverse range of materials on a variety of subjects, including astronomy, science, mathematics, and even poetry. The site is designed to be a one-stop-shop for anyone seeking information in any of these areas.
The website is built with a simple yet effective structure. The website's homepage immediately draws the user's attention with its eye-catching design featuring an image of Earth as seen from space. The homepage is well-organized and easy to navigate. The menu bar located at the top of the page allows users to select from different categories such as Astronomy, Science, Mathematics, Programming, and more. This makes it easy for users to find exactly what they are looking for without having to navigate through irrelevant pages.
The website is hosted by Amazon.com, Inc., which is a reliable and trusted web hosting service. This ensures that users can access the site quickly and seamlessly. Additionally, the site uses SSL issued by DigiCert Inc to secure users' information and guarantee privacy. This gives users peace of mind while browsing the site.
Fourmilab.ch is suitable for all ages, and its contents are family-friendly. The site offers mainly educational materials on various subjects, ensuring that individuals of all ages can learn something new from its pages.
The site's PageSpeed insights show that it has a very high-speed score of 92/100, indicating that the site loads quickly as expected. The site's optimization score is also relatively high at 78/100, indicating that the site is optimized for search engines and that the pages are well-structured for search engine crawlers.
In conclusion, Fourmilab.ch is a great website that provides an extensive array of educational materials and resources in different subjects. Its simple yet effective website structure makes it easy for users to navigate and find relevant information. The website guarantees privacy and security, ensuring users' peace of mind while browsing. Overall, the website is an excellent resource for people looking to learn something new or gain insights in any of the subjects Fourmilab.ch offers.
Domain | fourmilab.ch |
Issuer Organization | Let's Encrypt |
Issuer | R11 |
Algorithm | RSA-SHA256 |
Valid form | 10/09/2024 |
Expiration | 01/07/2025 |
Signed | Certificate is not self signed |
Additional Domains |
fourmilab.ch www.fourmilab.ch |
Alexa Rank shows how popular fourmilab.ch is in comparison with other sites. The most popular site has Alexa Rank equals 1. If fourmilab.ch 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 fourmilab.ch and pageviews on fourmilab.ch over the past 3 months.
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., USLast Update: 07/18/2024
#
# 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.
#
Requests of this client are not permitted. Please use https://www.nic.ch/whois/ for queries.
Host | A Record | TTL |
---|---|---|
fourmilab.ch | 52.28.236.0 | 86400 |
Host | MX Record | Priority | TTL |
---|---|---|---|
fourmilab.ch | aspmx.l.google.com | 1 | 86400 |
fourmilab.ch | alt3.aspmx.l.google.com | 10 | 86400 |
fourmilab.ch | alt4.aspmx.l.google.com | 10 | 86400 |
fourmilab.ch | alt1.aspmx.l.google.com | 5 | 86400 |
fourmilab.ch | alt2.aspmx.l.google.com | 5 | 86400 |
Host | NS Record | TTL |
---|---|---|
fourmilab.ch | ns-1463.awsdns-54.org | 172800 |
fourmilab.ch | ns-1903.awsdns-45.co.uk | 172800 |
fourmilab.ch | ns-209.awsdns-26.com | 172800 |
fourmilab.ch | ns-614.awsdns-12.net | 172800 |
Host | TXT Record | TTL |
---|---|---|
fourmilab.ch | v=spf1 include:_spf.google.com ip4:193.8.230.0/24 ip4:52.28.236.0 ~all | 86400 |
ns-1903.awsdns-45.co.uk
TTL: 86400
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400
Last tested: 10/11/2016
Total Resources | 14 |
Number of Hosts | 1 |
Static Resources | 9 |
CSS Resources | 1 |
Last tested: 10/11/2016
Total Resources | 14 |
Number of Hosts | 1 |
Static Resources | 9 |
CSS Resources | 1 |