optimize: replace-webhooks-with-persistent-agent-tunnels — title/meta rewrite, FAQ, internal links

[pstayets]

Page: /blog/replace-webhooks-with-persistent-agent-tunnels

Before: 210 impressions, 2 clicks, position 8.2 (CTR 0.95%)

Changes:

• Rewrote title (53 chars) to front-load the persistent-webhook-endpoint query: "How to Replace Webhooks With Persistent Agent Tunnels"
• Rewrote meta description (122 chars) targeting zero-CLR queries
• Added 5 FAQ entries (FAQPage JSON-LD) for the top zero-CLR queries (persistent stable webhook endpoint, mcp tunnels vs vpn, silent webhook failures, NAT webhooks)
• Added stable H2 ids so the TOC renders
• Guardrail sweep: removed banned figures (20%, ngrok 20 conn/min, ~15 MB, "six lines of Go")
• Added 3 internal links (connect-ai-agents-behind-nat-without-vpn, move-beyond-rest-persistent-connections-for-agents, network-tunnels-ai-secure-communication-autonomous-agents) and an llms.txt entry