HTTP Headers
Show the HTTP headers for a URL, with a full break-down of details. Will follow redirects.
Summary
- Response
- Total Requests
- 1
- Total Time
- 256 ms
https://s3.us-west-004.backblazeb2.com/oliblog2/math-tuition-singapore-1/singapore-tuition.html
- Status
- 200
- Message
- Unknown
- Time
- 256 ms
- IP
- 149.137.133.254
Timing
Wait
0 ms
DNS
8 ms
TCP
64 ms
Request
0 ms
First Byte
120 ms
Download
0 ms
Total
256 ms
HTTP Headers
- Server
nginx
A name for the server.
nginx - Description of the server software.
- Date
Thu, 09 Oct 2025 04:06:38 GMT
The date and time that the message was sent.
- Content-Type
text/html
The MIME type of this content.
Type
text/html
Description
HTML file
- Content-Length
39594(39.6 kB)
The length of the response body in octets (8-bit bytes).
- Connection
close
Control options for the current connection and list of hop-by-hop response fields.
close - The client or server would like to close the connection.
- Accept-Ranges
bytes
What partial content range types this server supports via byte serving.
bytes - Byte ranges are supported.
- Last-Modified
Thu, 21 Aug 2025 11:36:27 GMT
The last modified date for the requested object.
- Etag
"ecdbd73961b0c914a2de27fa3e548637"
An identifier for a specific version of a resource.
Validator
strong
A weak tag is easier to generate and prevents byte range caching.
Tag
ecdbd73961b0c914a2de27fa3e548637
- X-Amz-Request-Id
41347ec8b7088629
- X-Amz-Id-2
aNFE54jASNGhl1zN+YW84GmP8M8Y5gDnl
- X-Amz-Version-Id
4_zd4a9d094eec32af89c730919_f103ed589535931d5_d20250821_m113627_c004_v0402012_t0018_u01755776187483
- Strict-Transport-Security
max-age=63072000
A HSTS Policy informing the HTTP client how long to cache the HTTPS only policy and whether this applies to subdomains.
Max-Age
63072000 (2 years)
The time a browser should remember a site can only be accessed with https (seconds).