SEO meta & schema
SEO Site Technical Audit
A practical guide to seo site technical audit, including the key steps and checks for syntax, semantics, input data and environment-specific output.
Web Dev Tools Base Blog
Web Development Guides, Debugging & Developer Workflows — Page 18
995 practical guides with worked examples, troubleshooting and links to related tools. Browse by topic or search the full collection.
API & webhooks
Rest API Using Postman
Use this guide for rest api using postman; it explains the workflow and how to verify method, URL, headers, body, status and response content.
API & webhooks
How To Check Rest API?
Learn how to check rest api: follow a focused api & webhooks workflow, then verify method, URL, headers, body. Free tools included.
API & webhooks
Rest API Errors
A practical guide to rest api errors, including the key steps and checks for method, URL, headers, body, status and response content.
API & webhooks
Fix a REST API 401: Inspect Authentication Before Retrying
Diagnose a REST API 401 response by checking the authentication challenge, token destination, request headers, and browser access before retrying.
API & webhooks
Fix REST API 415: Match the Body to Its Content Type
Resolve a REST API 415 by matching Content-Type and Content-Encoding to the actual body, then distinguish unsupported formats from malformed JSON.
API & webhooks
Rest API Exception
Solve rest api exception with a focused api & webhooks workflow and final checks for method, URL, headers, body, status and response content.
API & webhooks
Testlink Rest API
Learn testlink rest api: follow a focused api & webhooks workflow, then verify method, URL, headers, body, status and response content on the final result.
API & webhooks
Wireshark Rest API
A practical guide to wireshark rest api, including the key steps and checks for method, URL, headers, body, status and response content.
JSON tools
Email in JSON Schema: Validate Type, Presence and Format
Define an email field in JSON Schema, enable format checks explicitly, and test missing, null and malformed values without claiming delivery.
JSON tools
Formik with JSON Schema: Adapt Validation Errors Deliberately
Connect JSON Schema validation to Formik through validate, map field errors explicitly, and test string inputs, required fields and submit behavior.
JSON tools
JSON Schema Rules: Types, Required Fields and Numeric Boundaries
Write and test a small JSON Schema contract, distinguish presence from null, and turn business requirements into explicit assertions.
JSON tools
Ruby JSON Schema
Step through ruby json schema and verify schema draft, required fields, types and validation errors before you use or share the result.
URL HTTP & cURL
Opentelemetry HTTP Headers
A practical guide to opentelemetry http headers, including the key steps and checks for syntax, semantics, input data and environment-specific output.
URL HTTP & cURL
Angular HTTP Headers
Solve angular http headers with a focused url http & curl workflow and final checks for syntax, semantics, input data and environment-specific output.
API & webhooks
API HTTP Headers: Build the Request the Endpoint Expects
Choose request headers for representation, authentication, and API-specific behavior while avoiding duplicate credentials and browser-controlled fields.
URL HTTP & cURL
API Request Header
Learn api request header: follow a focused url http & curl workflow, then verify syntax, semantics. Read the full guide.
URL, HTTP & curl
API Response Headers: Interpret Retry-After Before Retrying
Interpret a Retry-After response header, distinguish seconds from HTTP dates, and apply bounded retry decisions without replaying unsafe API writes.
URL HTTP & cURL
Chrome HTTP Headers
Use this guide for chrome http headers; it explains the workflow and how to verify syntax, semantics, input data and environment-specific output.
URL HTTP & cURL
Cloudflare Response Headers
A practical guide to cloudflare response headers, including the key steps and checks for syntax, semantics, input data and environment-specific output.
API & webhooks
The CORS Origin Header: Compare Scheme, Host and Port
Understand the browser Origin header, compare exact origin identities, and avoid path-based, substring or blindly reflected allowlist decisions.
API & webhooks
Etag Rest API
A practical guide to etag rest api, including the key steps and checks for method, URL, headers, body, status and response content.
URL, HTTP & curl
Get Response Headers in JavaScript with Fetch and XHR
Read browser-exposed response headers with Fetch or XMLHttpRequest, handle missing values, and verify the CORS and cookie limits of each interface.
URL HTTP & cURL
Graphql HTTP Headers
A practical guide to graphql http headers, including the key steps and checks for syntax, semantics, input data and environment-specific output.