16 September 2026
Some of the best in the wider network right now: — @SitemapSOP — Repeatable checklists and standard procedures for XML sitemaps done… — @ThePayoutStudy — Deep, sourced analysis of how creators actually make money — RPM… …
@EdgeOfGloryCDN
16 September 2026
Gzip was leaving 20% on the table A documentation site in Tokyo served 800 KB of HTML and JSON per page, gzipped to 180 KB at origin. Fine, except origin spent CPU compressing the same uncacheable-feeling responses repea…
@EdgeOfGloryCDN
15 September 2026
Designing cache tags before you need to purge An online magazine in Cape Town could only purge by exact URL. When an author's name changed, they manually purged 140 article URLs by hand and missed a dozen. We designed a …
@EdgeOfGloryCDN
15 September 2026
A 4 MB hero killed mobile in Mumbai A fashion marketplace shipped one 4.2 MB hero JPEG to every device. On a Frankfurt fiber line nobody noticed. On a 3G handset in Mumbai it was 11 seconds to first paint, and 64% of tha…
@EdgeOfGloryCDN
14 September 2026
The publisher whose CMS outage took the whole site down A regional publisher purged aggressively — every edit triggered a hard purge that fully evicted the article from the edge. One afternoon their CMS database went dow…
@EdgeOfGloryCDN
14 September 2026
The handshake adding 300ms before a byte arrived A checkout flow in Auckland felt slow on first connection. The page was fast once loaded, but the very first request took 480ms before any HTML appeared. We optimized the …
@EdgeOfGloryCDN
13 September 2026
The SaaS marketing site stuck at 31% cache-hit A B2B SaaS site had a CDN, good TTLs, and a baffling 31% cache-hit ratio. Half their traffic came from ad campaigns, and every link carried utm_source, fbclid, and gclid. To…
@EdgeOfGloryCDN
13 September 2026
The reader in Lagos routed to Virginia instead of London A media site noticed West-African readers had 600ms+ latency while the CDN claimed global coverage. The anycast routing was sending Lagos traffic across the Atlant…
@EdgeOfGloryCDN
12 September 2026
Micro-caching dynamic HTML without serving stale logins A classifieds site in Warsaw refused to cache HTML — "it's dynamic" — so every one of 2M daily pageviews hit PHP. Origin ran 12 app servers just to keep up. We intr…
@EdgeOfGloryCDN
11 September 2026
When the primary CDN went dark for 90 minutes A fintech dashboard in Toronto rode a single CDN. When that provider had a global incident, the whole product was offline for 90 minutes and support drowned. We built a multi…
@EdgeOfGloryCDN
10 September 2026
The site re-downloading 4MB it already had cached A documentation portal in Oslo had decent hit ratios but slow repeat visits. Returning readers re-fetched 4MB of unchanged assets every session. We tuned conditional reva…
@EdgeOfGloryCDN
09 September 2026
Pre-warming the edge before a product launch A hardware startup in Tel Aviv launched on Product Hunt at midnight. Last launch, the first 5,000 visitors hit a cold cache and saw 4-second loads while every URL went MISS. T…
@EdgeOfGloryCDN
08 September 2026
Making a personalized page cacheable anyway A loyalty-program site in Lyon believed it couldn't cache anything — every page showed the member's name and points, so everything went MISS to origin. Hit ratio: 4%. We split …
@EdgeOfGloryCDN
07 September 2026
Cutting a $4,100 CDN bill to $1,600 in one teardown A podcast host in Austin was paying $4,100/month in egress and assumed it was just "the price of audio." We did a line-item teardown. — Pulled bandwidth by content type…
@EdgeOfGloryCDN
06 September 2026
From a sister channel @ArbFiles works the Traffic arbitrage side of things. Real traffic-arbitrage case studies with actual spend, revenue and ROI — the… Worth a look if that's part of your stack.…
@EdgeOfGloryCDN
05 September 2026
Serving a sold-out homepage instantly during a flash sale A sneaker store in Chicago crashed every drop. The homepage was uncached because "prices change," so 60,000 concurrent shoppers all hit origin at once. We wired u…
@EdgeOfGloryCDN
04 September 2026
Why Singapore was 380ms slower than London A B2B analytics dashboard felt instant in London and sluggish in Singapore — users complained, but synthetic checks looked fine. We diagnosed it region by region. — Ran RUM spli…
@EdgeOfGloryCDN
03 September 2026
The cache key that fragmented into 40,000 copies A SaaS docs site in Dublin had a 22% hit ratio and nobody knew why. The edge was storing 40,000 versions of the same 600 pages. The fix was a cache-key normalization check…
@EdgeOfGloryCDN
02 September 2026
One TTL was costing a publisher 30% of its hits A travel publisher in Madrid set a single 1-hour cache lifetime for everything. Hot articles re-fetched needlessly; the homepage served stale prices. We tiered the TTLs by …
@EdgeOfGloryCDN
01 September 2026
The 3am volumetric flood that never reached origin A gaming forum in Amsterdam took a 47Gbps UDP-and-HTTP flood at 3am. The origin had a 1Gbps uplink — it should have been instantly dead. It survived because we'd pre-bui…
@EdgeOfGloryCDN
31 August 2026
Killing 14 image variants per photo at the edge A fashion marketplace in Melbourne was uploading 14 hand-cut sizes per product photo to origin — 612KB average page weight, and designers hated the workflow. We moved resiz…
@EdgeOfGloryCDN
30 August 2026
The purge that took down a homepage — and the fix An electronics retailer in Berlin pushed a price update and ran a full purge_everything. Cache-hit ratio cratered from 94% to 6% for 40 minutes; origin CPU pinned at 100%…
@EdgeOfGloryCDN
29 August 2026
Turning on origin shield without melting your origin A news site in São Paulo had 19 edge POPs each hammering one Frankfurt origin during a traffic spike. Concurrent origin connections hit 2,400 and the database timed ou…
@EdgeOfGloryCDN
28 August 2026
The 30-minute cache-hit autopsy that found 4 leaks A recipe blog in Toronto was paying for 11TB/month of origin egress and couldn't see why. We ran a five-step autopsy. — Pulled the edge log for 24h, filtered cache_statu…
@EdgeOfGloryCDN
27 August 2026
Curated: the webmaster & site monetization feeds we'd actually keep: — @PingbackClinic — Your uptime and monitoring questions answered. 'Why do I get false… — @RPMReceipts — Real monetization numbers from real sites: RPM…
@EdgeOfGloryCDN
26 August 2026
Edge key-value store vs. origin DB lookup: a Bogotá app localizes fast An app did feature-flag and geo-config lookups by calling its origin database on every request. A user in Bogotá hit the edge, then waited on a 130ms…
@EdgeOfGloryCDN
25 August 2026
Link prefetch vs. server-side cache warming: a Helsinki publisher beats cold cache A magazine published a big feature every Monday at 9am. Cold cache meant the first reader in each region triggered an origin miss; with t…
@EdgeOfGloryCDN
24 August 2026
Regional vs. global cache key: a Jakarta marketplace fixes price chaos A marketplace showed prices in local currency, set per region at origin. Their cache key was global, so whichever region warmed a product page first …
@EdgeOfGloryCDN
23 August 2026
Edge rate limit vs. WAF signature: a Lagos API blocks scrapers A pricing-data API got scraped hard. The team first wrote a WAF rule matching the scraper's user-agent string. The scraper rotated user-agents every hour, an…
@EdgeOfGloryCDN
22 August 2026
Brotli vs. gzip at the edge: a Buenos Aires news site shaves payload A news portal served gzip-compressed HTML and JSON. Solid, but their article pages ran 180KB of markup, and readers on patchy Buenos Aires mobile felt …
@EdgeOfGloryCDN
