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blog: add fixing DoH tail latency post + blog infrastructure

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New post on reqwest HTTP/2 window tuning and request hedging
(Dean & Barroso's "The Tail at Scale" applied to DNS forwarding).
Covers DoH forwarding p99 improvement and cold recursive
resolution from 2.3s to 538ms.

Also adds blog build infrastructure: index generation script,
draft preview server, hero metrics/before-after CSS, and
normalizes date format across existing posts.
This commit is contained in:
Razvan Dimescu
2026-04-13 13:49:40 +03:00
parent 169679bfe4
commit 6b0a30d004
10 changed files with 545 additions and 5 deletions
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96
site/blog-template.html
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@@ -267,9 +267,105 @@ body::before {
.blog-footer a:hover { color: var(--amber); }
/* --- Responsive --- */
/* Hero metrics cards */
.hero-metrics {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 1rem;
margin: 2rem 0;
}
.metric-card {
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: 6px;
padding: 1.25rem;
text-align: center;
}
.metric-vs {
font-family: var(--font-mono);
font-size: 0.7rem;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--text-dim);
margin-bottom: 0.5rem;
}
.metric-value {
font-family: var(--font-display);
font-size: 2.4rem;
font-weight: 400;
color: var(--amber);
line-height: 1.1;
}
.metric-label {
font-size: 0.82rem;
color: var(--text-secondary);
margin-top: 0.5rem;
line-height: 1.3;
}
/* Before/after progression */
.before-after {
display: flex;
align-items: center;
justify-content: center;
gap: 1.5rem;
margin: 2rem 0;
padding: 1.5rem;
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: 6px;
}
.ba-item { text-align: center; }
.ba-label {
font-family: var(--font-mono);
font-size: 0.7rem;
letter-spacing: 0.08em;
text-transform: uppercase;
color: var(--text-dim);
margin-bottom: 0.3rem;
}
.ba-value {
font-family: var(--font-display);
font-size: 1.8rem;
font-weight: 400;
color: var(--text-secondary);
}
.ba-before {
text-decoration: line-through;
text-decoration-color: rgba(192, 98, 58, 0.4);
color: var(--text-dim);
}
.ba-after { color: var(--amber); }
.ba-arrow { font-size: 1.5rem; color: var(--text-dim); }
.ba-ref {
border-left: 1px solid var(--border);
padding-left: 1.5rem;
}
/* Spike highlight */
.spike {
background: rgba(192, 98, 58, 0.12);
padding: 0.15em 0.5em;
border-radius: 3px;
font-weight: 600;
color: var(--amber-dim);
}
/* Section dividers */
.article hr {
border: none;
height: 1px;
background: var(--border);
margin: 3rem auto;
max-width: 120px;
}
@media (max-width: 640px) {
.article { padding: 2rem 1.25rem 4rem; }
.article pre { padding: 1rem; margin-left: -0.5rem; margin-right: -0.5rem; border-radius: 0; border-left: none; border-right: none; }
.hero-metrics { grid-template-columns: 1fr; }
.before-after { flex-direction: column; gap: 0.75rem; }
.ba-ref { border-left: none; border-top: 1px solid var(--border); padding-left: 0; padding-top: 0.75rem; }
}
</style>
</head>