The Webalert Blog
Expert insights on website monitoring, uptime optimization, SSL management, and building trust with status pages.
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Gemini Visibility Tracking: Grounded Sources & Mentions
Track brand mentions and grounded sources in Gemini while separating the consumer app, Gemini API grounding, and Google Search AI features.
June 9, 2026
7 min read
Google AI Overviews Visibility: Track Supporting Links
Track AI Overview appearance, supporting links, landing pages, clicks, and conversions using Google Search eligibility rules and careful SERP sampling.
June 9, 2026
7 min read
How to Evaluate Vendor SLAs, Uptime Guarantees, and Support Terms
Evaluate vendor uptime and support SLAs with a practical scorecard for definitions, exclusions, credits, claim evidence, response targets, and exit rights.
June 9, 2026
10 min read
3xx Status Codes Explained: 301, 302, 303, 307, 308
What a 3xx status code means, how 301, 302, 303, 307 and 308 differ, and how to monitor redirect chains — HTTP redirects, not a game.
June 3, 2026
8 min read
How to Create a Website Status Report: Template and Metrics
Create a weekly or monthly website status report with uptime, downtime, incidents, MTTR, latency, SLA status, trends, and a copy-ready template.
June 3, 2026
6 min read
Perplexity Visibility Tracking: Citations, Sources & Mentions
Measure Perplexity citation rate, source share, cited URLs, and brand mentions using repeatable cohorts and Perplexity's documented crawler and APIs.
June 3, 2026
6 min read
ChatGPT Visibility Tracking: Mentions, Sources & Accuracy
Measure brand mentions, recommendations, cited URLs, and factual accuracy in ChatGPT Search without pretending its source-selection system is knowable.
May 31, 2026
7 min read
How to Check if a Port Is Open (nc, telnet, nmap & More)
Test TCP and UDP ports with nc, nmap, Test-NetConnection, lsof, ss, and Bash, then interpret refused, timeout, filtered, and open results correctly.
May 31, 2026
8 min read
Network Jitter Explained: Causes, Measurement & Monitoring
What jitter is, why it breaks VoIP, video and gaming, how it's measured, acceptable thresholds, and how to monitor it alongside latency and packet loss.
May 31, 2026
7 min read
4xx Client Errors: 400, 401, 403, 404, 429 Explained
Learn what 4xx client errors mean, how 400, 401, 403, 404 and 429 differ, and which rates, routes and regressions should trigger alerts.
May 30, 2026
11 min read
AWS vs Azure vs Google Cloud SLAs: Uptime and Service Credits Compared
Compare AWS, Azure, and Google Cloud uptime SLAs, redundancy requirements, exclusions, service credits, claims, and composite availability with proof.
May 30, 2026
9 min read
RTO vs RPO: Disaster Recovery Objectives Explained
Understand RTO versus RPO with a timeline, worked examples, business-impact method, recovery tiers, backup requirements, testing, and monitoring.
May 30, 2026
9 min read