validator.w3.org Website Review
validator.w3.org - Basic Information
Site Title:
Server:
Apache/2.4.38 (Debian)
IP:
validator.w3.org - Page Information
Title:
The W3C Markup Validation ServiceMeta keywords:
HTML, HyperText Markup Language, Validation,
W3C Markup Validation ServiceMeta description:
W3C's easy-to-use
markup validation service, based on SGML and XML parsers.H1:
Markup Validation ServiceInternal links:
11 (0 nofollow)External links:
14 (0 nofollow)validator.w3.org - Site Technology
Server:
Apache/2.4.38 (Debian)
The Apache version is 2.4.38. 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
validator.w3.org - 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 validator.w3.org:
HTTP/1.1 200 OK
date: Wed, 17 Jun 2020 07:11:31 GMT
server: Apache/2.4.38 (Debian)
cache-control: max-age=604800
expires: Wed, 24 Jun 2020 07:11:31 GMT
vary: Accept-Encoding
content-encoding: gzip
content-length: 5080
content-type: text/html; charset=utf-8
accept-ranges: bytes
strict-transport-security: max-age=15552015; preload
public-key-pins: pin-sha256="cN0QSpPIkuwpT6iP2YjEo1bEwGpH/yiUn6yhdy+HNto="; pin-sha256="WGJkyYjx1QMdMe0UqlyOKXtydPDVrk7sl2fV+nNm1r4="; pin-sha256="LrKdTxZLRTvyHM4/atX2nquX9BeHRZMCxg3cf4rhc2I="; max-age=864000
x-frame-options: deny
x-xss-protection: 1; mode=block
date: Wed, 17 Jun 2020 07:11:31 GMT
server: Apache/2.4.38 (Debian)
cache-control: max-age=604800
expires: Wed, 24 Jun 2020 07:11:31 GMT
vary: Accept-Encoding
content-encoding: gzip
content-length: 5080
content-type: text/html; charset=utf-8
accept-ranges: bytes
strict-transport-security: max-age=15552015; preload
public-key-pins: pin-sha256="cN0QSpPIkuwpT6iP2YjEo1bEwGpH/yiUn6yhdy+HNto="; pin-sha256="WGJkyYjx1QMdMe0UqlyOKXtydPDVrk7sl2fV+nNm1r4="; pin-sha256="LrKdTxZLRTvyHM4/atX2nquX9BeHRZMCxg3cf4rhc2I="; max-age=864000
x-frame-options: deny
x-xss-protection: 1; mode=block
validator.w3.org - 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 14 DNS record(s) of w3.org.
| Host | Type | IP/Target | TTL | Extra Infomation |
|---|---|---|---|---|
| w3.org | A | 3600 | ||
| w3.org | NS | 2625 | ||
| w3.org | NS | 2625 | ||
| w3.org | NS | 2625 | ||
| w3.org | SOA | 3600 | expire: 604800 serial: 2021090601 | |
| w3.org | MX | 3600 | pri: 10 | |
| w3.org | MX | 3600 | pri: 50 | |
| w3.org | MX | 3600 | pri: 10 | |
| w3.org | TXT | google-site-verification=5TpwKtmzdpa5fntQgKHY96mTJ3FiSn9fGp07XKxFsMk | 3600 | |
| w3.org | TXT | google-site-verification=dS4IjfXgopxupUFDAqg3wk94IIZ2GuQ-jW4wiLm69Rg | 3600 | |
| w3.org | TXT | google-site-verification=cu9dn6ytlndLOV87MLxedTHxoKTRKk0dUf_jXK8OsTc | 3600 | |
| w3.org | TXT | ca3-2ce9157dad3240fdb39d427ea488c6db | 3600 | |
| w3.org | TXT | v=spf1 a mx ip4:128.30.52.0/22 ip4:203.178.154.0/25 ip4:193.51.208.64/27 include:spf6.w3.org include:spf.braintreegateway.com ~all | 3600 | |
| w3.org | AAAA | 2603:400a:ffff:804:801e:34::64 | 3600 |