DRCALCULATOR.COM Website Review

Basic Information

Site Title:
Server:
nginx/1.28.0
City:

Pages Indexed

Bing:
Google:

Page Information

Title:
Dr Calculator
Length: 13 character(s); Best length: 10 ~ 60 character(s)
Meta description:
Financial calculators including Karl's Mortgage Calculator
Length: 58 character(s); Best length: 50 ~ 160 character(s)
Meta keywords:
calculator
Length: 10 character(s); Best length: 10 ~ 255 character(s)
H1 Tag:
Dr Calculator
Length: 13 character(s); Best length: 10 ~ 255 character(s)

Site Technology

Server:
nginx/1.28.0
The nginx version is 1.28.0. For server security reasons, it is recommended that you disable or hide version numbers of any software you have installed on the server. More details»
SSL Secure:
Available
robots.txt:
XML Sitemap:
Unavailable
Gzip Compress:
Available
favicon.ico:
Unavailable

HTTP Header Analysis

HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of drcalculator.com:
HTTP/1.1 200 OK
Server: nginx/1.28.0
Date: Sun, 26 Oct 2025 07:26:36 GMT
Content-Type: text/html
Last-Modified: Fri, 07 Feb 2025 17:42:59 GMT
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
ETag: W/"67a64623-ff5"
Expires: Mon, 27 Oct 2025 07:26:36 GMT
Cache-Control: max-age=86400
Access-Control-Allow-Origin: https://www.drcalculator.com
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Content-Encoding: gzip

DNS Record Analysis

Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 9 DNS record(s) of drcalculator.com.
Host Type IP/Target TTL Extra Infomation
drcalculator.comA3600
drcalculator.comNS3600
drcalculator.comNS3600
drcalculator.comNS3600
drcalculator.comNS3600
drcalculator.comSOA3600expire: 604800
serial: 2025040602
drcalculator.comTXT
google-site-verification=7I15H6ImkQf-gjw1Wy4cLyVOxYycz8b8doI-RCzIBMA
3600
drcalculator.comTXT
v=spf1 -all
3600
drcalculator.comAAAA
2a03:4000:52:704::1
3600