Resources

Guides, tutorials, and reference articles for website monitoring and web infrastructure.

Latest NewsApril 2026

Apple and Google push for 47-day SSL certificate lifetimes

CA/Browser Forum votes to reduce TLS certificate lifetimes to 47 days by 2029. Plus: robots.txt gets its first EU court ruling, and Google tightens crawl budget allocation.

All news and updates

Guides

Complete Website Maintenance & Monitoring Guide

Everything you need to keep your site running: uptime, SSL, DNS, domains, and more.

Knowledge Base

Website Health Check: What to Test and How Often

A complete guide to website health checks. What to test (uptime, speed, SSL, DNS, security, SEO), how often to check, automated vs manual, and how to build a health check routine.

301 vs 302 Redirects: When to Use Each and Why It Matters for SEO

Understand the difference between 301 and 302 redirects, their SEO impact, when to use each, and common mistakes that hurt rankings.

What Is API Monitoring?

What API monitoring is, why it matters, the types of checks involved, and how to set up monitoring for REST APIs, webhooks, and third-party API dependencies.

How to Block AI Crawlers with Robots.txt

Learn how to block AI crawlers like GPTBot, CCBot, and Bytespider using robots.txt directives. Includes a full AI bot list and monitoring tips.

What Is a CDN? A Guide for Website Owners

What a CDN is, how it works, why it matters for website performance and availability, and how to choose and set up a CDN for your site.

Cloud Monitoring: What Website Owners Need to Know

A practical overview of cloud monitoring for website owners. Covers what cloud monitoring is, what you should track, how it differs from traditional monitoring, and what tools to consider.

Core Web Vitals: What They Are and How to Monitor Them

What Core Web Vitals are, the three metrics Google uses, how they affect search rankings, how to measure them, and how to monitor them over time.

Down for Everyone or Just Me? How to Tell

Learn how to determine whether a website is down for everyone or just you, with step-by-step methods including online checkers, network diagnostics, and common causes for both scenarios.

Real-Time Monitoring Explained: How Instant Alerts Work

Learn how real-time monitoring works, from check intervals and multi-location probes to alert delivery pipelines and false positive prevention.

On-Call Best Practices for Website Teams

Learn how to build sustainable on-call rotations for website teams. Covers scheduling, escalation policies, alert fatigue, runbooks, handoffs, and compensation.

DNS Propagation Explained: How Long It Takes and How to Check

Understand what DNS propagation is, why DNS changes take time to spread globally, how TTL affects propagation speed, and how to check propagation status.

DNS Record Types Explained: A, AAAA, CNAME, MX, TXT, NS, and More

A complete reference guide to DNS record types including A, AAAA, CNAME, MX, TXT, NS, SOA, CAA, SRV, and PTR records. Understand what each record does and when to use it.

How to Check If a Website Is Down: Tools and Methods

Learn how to check whether a website is down for everyone or just you, using browser tools, command-line utilities, online checkers, and automated monitoring.

How to Check an SSL Certificate: Browser, CLI, and Monitoring Methods

Learn how to check SSL certificates using browser tools, OpenSSL commands, online checkers, and automated monitoring. Verify expiry dates, certificate chains, and domain coverage.

How to Check If a Website Is Safe and Legitimate

Learn how to verify whether a website is safe to visit using SSL checks, domain age, WHOIS lookups, security headers, and reputation tools. Protect yourself from scams and malware.

Server Monitoring Explained: What to Track and Why It Matters

Understand server monitoring fundamentals: what metrics to track, the difference between server and website monitoring, and how to set up effective alerting.

DNS Monitoring Explained: Detect Changes, Prevent Hijacking, Protect Your Site

Understand what DNS monitoring is, which record types to watch, how DNS propagation works, and how to detect unauthorized changes before they cause outages.

Domain Expiry Monitoring Guide: Protect Your Domain from Lapsing

Learn why domains expire despite auto-renew, how WHOIS monitoring works, what happens during grace and redemption periods, and how to set up domain expiry alerts.

Domain Redirect Guide: How to Forward Domains Correctly

Learn how to redirect domains for rebranding, typo protection, and site merges. Covers DNS-level, server-level, and registrar forwarding methods.

How to Fix ERR_TOO_MANY_REDIRECTS (Step-by-Step for Every Cause)

Fix the ERR_TOO_MANY_REDIRECTS error fast. Step-by-step solutions for SSL loops, CMS settings, CDN config, .htaccess rules, and plugin conflicts.

Free Website Monitoring: What You Can Check Without Paying

What you can realistically monitor for free, the limitations of free tools, and when it makes sense to upgrade. Covers uptime, SSL, speed, and basic monitoring options.

How to Create a robots.txt File: Format, Rules, and Platform Guides

Step-by-step guide to creating a robots.txt file with correct syntax, common directives, platform-specific instructions, and testing methods.

How to Create a Sitemap: Manual, CMS, and Generator Methods

Step-by-step guide to creating XML sitemaps manually, with CMS tools like WordPress and Shopify, using generators, and building dynamic sitemaps.

How to Find a Website's Sitemap: 5 Reliable Methods

Learn 5 methods to find any website's sitemap, including checking common URLs, robots.txt, Google cache, and crawling tools.

Hreflang Errors and How to Fix Them

Diagnose and fix common hreflang errors including missing return tags, wrong language codes, and non-canonical URLs. Step-by-step solutions.

Hreflang Tags: The Complete Guide to International SEO

Learn how to implement hreflang tags correctly for international SEO. Covers syntax, implementation methods, language codes, and common mistakes.

HTTPS Redirect Guide: How to Force HTTPS on Any Server

Force HTTPS on Apache, Nginx, Cloudflare, and WordPress. Avoid mixed content errors, redirect loops, and common HTTPS migration pitfalls.

Incident Response Plan Template for Website Downtime

Build a complete incident response plan for website outages. Includes roles, severity levels, response steps, and communication templates.

Infrastructure Monitoring: A Plain-English Guide

A non-technical explanation of infrastructure monitoring: what it covers, why website owners should care, and how it relates to website monitoring, uptime checks, and alerting.

How to Check If a Link Is Safe

How to check if a link is safe before clicking: why links can be dangerous, how to inspect URLs, online scanners (Google Safe Browsing, VirusTotal), browser protections, and red flags to watch for.

Website Monitoring Tools: Complete Comparison Guide

A comparison of website monitoring tools across categories: uptime, performance, SSL, DNS, and all-in-one solutions. Covers features, pricing, and which tools fit different needs.

Website Launch Checklist: Everything to Check Before Going Live

A complete website launch checklist covering pre-launch checks (DNS, SSL, redirects, robots.txt, sitemap, analytics, performance, security), launch day steps, and post-launch verification.

How to Create a Website Maintenance Plan

Learn how to build a structured website maintenance plan with daily, weekly, monthly, and quarterly tasks covering uptime, security, backups, SSL, and more.

Website Monitoring for Small Business: What You Actually Need

A practical guide to website monitoring for small businesses. Learn what to monitor, what to skip, and how to set up an effective monitoring stack without overspending.

How to Run a Website Outage Post-Mortem

Learn how to run an effective website outage post-mortem. Includes meeting structure, documentation template, and best practices for blameless incident reviews.

Common SSL Errors and How to Fix Them

Diagnose and fix the most common SSL certificate errors including NET::ERR_CERT_DATE_INVALID, ERR_CERT_AUTHORITY_INVALID, mixed content warnings, and certificate chain issues.

Understanding Uptime Percentages and SLAs: What 99.9% Really Means

Learn what uptime percentages like 99.9% and 99.99% actually mean in practice, how to calculate allowed downtime, and how SLAs protect your business.

Website Monitoring Tools Compared: Free vs Paid, Simple vs Enterprise

Compare the different types of website monitoring tools available — from free uptime checkers to enterprise observability platforms — and find the right fit for your needs.

Redirect Chains Explained: How They Hurt Your Site and How to Fix Them

Learn what redirect chains are, why they hurt speed, SEO, and UX, how to detect them, and how to fix them before they cause real damage.

The Complete robots.txt Guide: Syntax, Directives, and Best Practices

Learn what robots.txt is, how crawler directives work, the correct syntax for User-agent, Disallow, Allow, and Sitemap, and how to test your file.

Sitemap Best Practices: 12 Rules for SEO-Friendly XML Sitemaps

Follow these 12 sitemap best practices to maximize crawl efficiency, avoid common mistakes, and keep search engines indexing the right pages.

What Happens When Your SSL Certificate Expires

Learn what happens when an SSL certificate expires: browser warnings, SEO damage, broken integrations, and how to prevent it with monitoring.

SSL Certificate Monitoring Guide: Prevent Expiry, Catch Chain Issues, Stay Secure

Learn how SSL certificate monitoring works, why certificates expire, how to catch chain issues, and how to set up alerts that prevent SSL-related outages.

How to Submit a Sitemap to Google: Search Console, robots.txt, and Ping

Learn how to submit your XML sitemap to Google using Search Console, robots.txt, and the ping method. Includes troubleshooting and monitoring tips.

Technical SEO Checklist for Website Monitoring

A technical SEO checklist focused on the items you can monitor continuously: crawlability, indexing, HTTPS, page speed, structured data, and site health indicators.

Uptime Monitoring Explained: How It Works, Why It Matters, and What to Look For

Understand how uptime monitoring works, what 99.9% uptime really means, and how to choose the right uptime checker for your website or API.

The Complete URL Redirect Guide: Types, Implementation, and Best Practices

Master URL redirects: 301, 302, 307, 308, meta refresh, and JS redirects. Server configs, CMS examples, best practices, and monitoring.

Web Hosting Types Compared: Shared, VPS, Dedicated, Cloud

A comparison of web hosting types: shared, VPS, dedicated, and cloud hosting. Covers performance, cost, scalability, and which type fits different website needs.

Web Infrastructure News: SSL, DNS, Domain & Monitoring Updates

Web infrastructure news today. SSL/TLS certificate changes, DNS security updates, robots.txt and AI crawler developments, domain policy changes, and monitoring industry news. Updated regularly.

Website Audit Checklist: The Complete Health Check

A complete website audit checklist covering technical health, SEO, security, content, performance, and monitoring. Use this as a repeatable framework for keeping your site in top shape.

Website Backup Strategy: What to Back Up and How Often

How to build a reliable website backup strategy covering files, databases, configurations, backup frequency, storage locations, and disaster recovery testing.

Website Migration Planning: The Complete Guide

How to plan and execute a website migration without losing traffic, rankings, or functionality. Covers hosting moves, domain changes, CMS switches, and URL restructuring.

Website Downtime: Top 10 Causes and How to Prevent Each One

Learn the top 10 causes of website downtime and proven prevention strategies for each. Stop outages before they cost you revenue and trust.

Website Downtime Cost Calculator: How Much Is an Outage Costing You?

Calculate the true cost of website downtime. Industry benchmarks, formulas, and hidden costs most businesses miss.

Website Monitoring Checklist: The Complete Setup Guide for Uptime, SSL, DNS, and More

A comprehensive, actionable checklist for setting up website monitoring covering uptime, SSL certificates, domain expiry, DNS records, vendor dependencies, and more.

Website Monitoring vs Analytics: What's the Difference?

The difference between website monitoring and website analytics. What each one measures, when you need both, and how they complement each other.

Website Performance Monitoring Explained

What website performance monitoring is, what metrics to track, the difference between synthetic and real user monitoring, and how to set up a practical performance monitoring system.

Website Security Checklist for Non-Technical Teams

A practical website security checklist for business owners and non-technical teams. Covers HTTPS, passwords, updates, backups, monitoring, and common vulnerabilities in plain language.

Website Security Monitoring: A Practical Guide

Learn how to monitor your website's security across SSL, DNS, WHOIS, headers, and more. Covers common attacks and what to track to prevent them.

Website Vulnerability Scanning: What It Is and How to Start

What website vulnerability scanning is, how it works, the types of vulnerabilities it detects, and how to get started with scanning your own site.

What Is a Cron Job? A Guide for Website Owners

What cron jobs are, how cron syntax works, common schedule patterns, website use cases, crontab commands, and hosted alternatives for scheduling recurring tasks.

What Is Site Monitoring? Everything You Need to Know

A complete overview of site monitoring: what it covers, why it matters, the different types of monitoring, and how to build a practical monitoring setup for any website.

What Is a Sitemap? The Complete Guide to How Sitemaps Work

Learn what a sitemap is, how XML and HTML sitemaps work, why search engines need them, and when your website actually requires one.

What Is Website Monitoring? The Complete Guide to Keeping Your Site Online

Learn what website monitoring is, the five core types every site needs, and how to set up automated checks for uptime, SSL, domain, DNS, and vendor dependencies.

XML Sitemap Guide: Structure, Tags, Limits, and Validation

A complete guide to XML sitemaps covering structure, required tags, sitemap index files, size limits, dynamic generation, and validation.