The Webalert Blog
Expert insights on website monitoring, uptime optimization, SSL management, and building trust with status pages.
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Cookie Consent Monitoring: Banner, Storage & Tracker Tests
Test consent UI, regional policy, cookies and storage, tracker requests, persistence, revocation, accessibility, and critical-page behavior.
May 24, 2026
7 min read
Open Graph Monitoring: Social Cards, Images & Crawler Access
Monitor Open Graph and X card tags, image responses, production URLs, crawler access, and platform-specific preview caches.
May 24, 2026
6 min read
Site Search Monitoring: Empty Results, Freshness & Relevance
Monitor golden queries, expected URLs, zero-result rate, indexing freshness, latency, locale, permissions, and search conversion.
May 24, 2026
7 min read
DNS Propagation, CAA & DNSSEC Monitoring: Deep Dive
Monitor DNS propagation, CAA records, DNSSEC validation, MX records, nameserver drift, and resolver differences before DNS changes become outages.
May 22, 2026
9 min read
Domain Expiry & WHOIS Monitoring: Prevent the Worst Outage
Monitor domain expiry, RDAP/WHOIS events, registrar status, renewal ownership, and nameserver delegation before registration problems affect web and email.
May 22, 2026
11 min read
TLS Configuration Monitoring: Cipher, Chain, OCSP & CT Logs
Monitor TLS versions, ciphers, certificate chains, SANs, OCSP stapling, CT logs, and HSTS without treating expiry as the only failure mode.
May 22, 2026
9 min read
HTTP Security Header Monitoring: Detect CSP, HSTS, and CORS Drift
Monitor production HTTP security headers and detect CSP, HSTS, CORS, framing, and MIME-sniffing policy drift after every deployment using external checks.
May 20, 2026
9 min read
Redirect Chain Monitoring: Loops, Wrong Targets & Latency
Monitor every redirect hop for loops, wrong destinations, status intent, HTTPS downgrades, terminal errors, and added latency—without link-equity myths.
May 20, 2026
10 min read
Sitemap & robots.txt Monitoring: Catch Crawl Regressions
Monitor robots.txt crawl policy, sitemap validity, URL-set drift, child sitemap health, and indexing directives without confusing crawl blocks with noindex.
May 20, 2026
11 min read
MySQL Monitoring: Slow Queries, InnoDB, Locks, Replication
Monitor MySQL with Performance Schema, slow query logs, InnoDB pressure, lock waits, replication workers, connections, and baseline-based alerts.
May 19, 2026
13 min read
PostgreSQL Monitoring: Slow Queries, Locks, Vacuum, Replication
Monitor PostgreSQL with pg_stat_statements, pg_stat_activity, WAL lag, vacuum progress, locks, I/O, and workload-based production alerts.
May 19, 2026
16 min read
Redis Monitoring: Memory, Evictions, Latency, and Replication
Monitor Redis memory, eviction rate, command latency percentiles, slowlog, persistence, replication, clients, big keys, and cluster health.
May 19, 2026
15 min read