PythonBeginner
Audit declared response content types
Flag URLs whose declared Content-Type does not match an expected prefix.
Web & networking
25 practical automations
Web & networking
Check your own websites and network resources. Each guide includes full code, usage instructions, and ideas for making it your own.
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Check a path against a fetched robots.txt
Evaluate a supplied path against one fetched robots.txt without fetching the path.
Web & networking
PythonBeginner
Check a small explicit list of TCP ports
Attempt a TCP connection to at most sixteen named ports on one host.
Web & networking
PythonBeginner
Check HTTP status codes for a URL list
Record status codes or connection failures for up to 100 explicit URLs.
Web & networking
PythonBeginner
Check IP addresses against one subnet
Classify a local list of IP addresses by subnet membership.
Web & networking
PythonIntermediate
Combine explicitly numbered JSON pages
Collect a bounded sequence of array-valued JSON pages.
Web & networking
PythonBeginner
Decode URL query pairs into a table
Export decoded query parameters while preserving duplicates and blanks.
Web & networking
PythonBeginner
Describe an IP subnet offline
Summarize a CIDR subnet without enumerating the complete address space.
Web & networking
PythonBeginner
Download a size-limited HTTP resource
Save one successful HTTP response within an explicit byte cap.
Web & networking
PythonBeginner
Encode or decode one URL component
Percent-encode or decode a single URL component offline.
Web & networking
PythonBeginner
Extract a nested field from an HTTP JSON response
Fetch JSON and save only a specified nested value.
Web & networking
PythonBeginner
Fetch a small JSON response
Fetch and format a successful UTF-8 JSON response.
Web & networking
PythonIntermediate
Inspect a verified TLS peer certificate
Save a certificate summary after a hostname-verified TLS handshake.
Web & networking
PythonBeginner
Inspect HTTP cache-related headers
Collect cache validators, freshness declarations, and vary information.
Web & networking
PythonBeginner
Inspect HTTP Link header relations
Extract common Link-header targets and relation labels without following them.
Web & networking
PythonIntermediate
Measure remaining TLS certificate lifetime
Calculate days until the verified peer certificate expires.
Web & networking
PythonBeginner
Measure repeated HTTP header latency
Measure several complete HEAD-request elapsed times and their mean.
Web & networking
PythonBeginner
Normalize a URL without making a request
Normalize host case, default ports, and an empty URL path offline.
Web & networking
PythonBeginner
Resolve a hostname with a deadline
List unique IPv4 and IPv6 addresses returned for one hostname.
Web & networking
PythonBeginner
Save an HTTP response header snapshot
Save response headers and status without saving the body.
Web & networking
PythonBeginner
Search a downloaded UTF-8 text response
Find case-insensitive text matches in a small remote text file.
Web & networking
PythonBeginner
Set or remove one URL query parameter
Replace all occurrences of one query key or remove that key offline.
Web & networking
PythonBeginner
Take a finite availability sample
Run a finite series of HTTP availability checks and save each outcome.
Web & networking
PythonBeginner
Test an HTTP conditional request
Check whether a server returns 304 for a supplied cache validator.
Web & networking
PythonIntermediate
Trace HTTP redirects step by step
Record each redirect location and HTTP status until a final response or hop limit.
Web & networking