What to do when a website goes down: an action plan
Incident response playbook. Immediate actions, diagnosis, common causes (DNS, SSL, server, DDoS), communication, and postmortem.
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How to check a website, investigate errors and track changes.
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Incident response playbook. Immediate actions, diagnosis, common causes (DNS, SSL, server, DDoS), communication, and postmortem.
A practical guide to optimizing INP, an interface responsiveness metric. Causes of delays, splitting long tasks, optimizing JavaScript and event handlers.
An SEO internal linking strategy: link structure, link equity distribution, and anchor text types. Practical methods for building a site's link structure.
International SEO strategy: choosing a URL structure, configuring hreflang, geotargeting, content, and technical aspects of promoting multilingual websites.
How IP geolocation works: databases, accuracy, and applications in security, analytics, and personalization. A practical guide.
A guide to working with JSON in REST APIs: parsing responses, validating structure, handling errors, and recommendations for frontend and backend development.
Practical examples of JSON-LD markup for Schema.org: Article, Product, FAQ, HowTo, BreadcrumbList. Ready-to-use code with explanations for implementation on a website.
A guide to common JSON errors: syntax, validation, tools for finding and fixing invalid data.
A practical guide to implementing JWT authentication: issuing tokens, verifying them on the server, storing them on the client, and refreshing the session.
A comprehensive guide to JWT: token structure, header, payload, signature, algorithms, and recommendations for secure use.
Open a tool for the task described in the article.