Character Encoding :utf-8

Download List of All Websites using Character Encoding :utf-8

   This website is using utf-8 character encoding in HTML , character encoding is used to represent a repertoire of characters by some kind of encoding system.

Gzip Content-Encoding

Download List of All Websites using Gzip Content-Encoding

   The Content-Encoding entity header is used to compress the media-type. When present, its value indicates which encodings were applied to the entity-body. It lets the client know how to decode in order to obtain the media-type referenced by the Content-Type header.

HSTS - Browser HTTPS Only

Download List of All Websites using HSTS - Browser HTTPS Only

   The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP for 31536000 seconds

Pragma Header - backwards compatibility with HTTP/1.0

Download List of All Websites using Pragma Header - backwards compatibility with HTTP/1.0

   The Pragma HTTP/1.0 general header is an implementation-specific header that may have various effects along the request-response chain. It is used for backwards compatibility with HTTP/1.0 caches where the Cache-Control HTTP/1.1 header is not yet present.

Post Cache-Control Header

Download List of All Websites using Post Cache-Control Header

   this website is using post-heck Cache-Control Header.

Precheck Cache-Control Header

Download List of All Websites using Precheck Cache-Control Header

   this website is using precheck Cache-Control Header.

Must Revalidate HTTP Cache-Control

Download List of All Websites using Must Revalidate HTTP Cache-Control

   Indicates that once a resource has become stale (e.g. max-age has expired), a cache must not use the response to satisfy subsequent requests for this resource without successful validation on the origin server.

NO Store HTTP Cache-Control

Download List of All Websites using NO Store HTTP Cache-Control

   The cache should not store anything about the client request or server response.

No Cache Content

Download List of All Websites using No Cache Content

   Forces caches to submit the request to the origin server for validation before releasing a cached copy.

Vary Header Accept-Encoding

Download List of All Websites using Vary Header Accept-Encoding

   The Accept-Encoding request HTTP header advertises which content encoding, usually a compression algorithm, the client is able to understand. Using content negotiation, the server selects one of the proposals, uses it and informs the client of its choice with the Content-Encoding response header.

Block Content Sniffing

Download List of All Websites using Block Content Sniffing

   The X-Content-Type-Options response HTTP header is a marker used by the server to indicate that the MIME types advertised in the Content-Type headers should not be changed and be followed. This allows to opt-out of MIME type sniffing, or, in other words, it is a way to say that the webmasters knew what they were doing.

SPF

Download List of All Websites using SPF

   The Sender Policy Framework (SPF) is an email-authentication technique which is used to prevent spammers from sending messages on behalf of your domain. With SPF an organisation can publish authorized mail servers.

Server partial requests support

Download List of All Websites using Server partial requests support

   The Accept-Ranges response HTTP header is a marker used by the server to advertise its support of partial requests. The value of this field indicates the unit that can be used to define a range.