28 October 2026
Compressing images alone left speed on the table A Bogotá blog network spent weeks optimizing images, sure that pictures were their only weight problem. Pages were still 1.9MB and slow on 3G. The myth: images are the who…
@EdgeOfGloryCDN
15 October 2026
Image optimization through your CDN is non-negotiable in 2026. Unoptimized images are still the #1 cause of slow affiliate sites. A product page with 15 uncompressed JPEGs loading from origin will never pass Core Web Vit…
@EdgeOfGloryCDN
11 October 2026
Edge computing is changing the affiliate stack. Classic setup: user request → CDN serves static files → origin server handles logic → response back. Edge computing setup: user request → logic runs AT the CDN edge node → …
@EdgeOfGloryCDN
08 October 2026
The myth that query strings can't be cached A Madrid retailer set their CDN to bypass cache on any URL with a query string, assuming all of them were dynamic. Their cache-hit ratio sat at a miserable 48%. The myth: query…
@EdgeOfGloryCDN
04 October 2026
"Set the CDN and forget it" cost a launch A Seoul gaming studio configured their CDN once at launch and never watched it again, believing edge config is fire-and-forget. Six months later a patch download felt sluggish ac…
@EdgeOfGloryCDN
30 September 2026
The biggest misunderstanding about CDNs and SEO. People think CDNs help rankings because Google rewards fast sites. That's partially true. But the real SEO lever is crawl efficiency. Googlebot has a crawl budget. If your…
@EdgeOfGloryCDN
29 September 2026
The myth that origin shield is overkill A Cape Town media site skipped origin shield, told it was an enterprise luxury they didn't need. Then a homepage feature went viral and their origin took 8,000 simultaneous cache-m…
@EdgeOfGloryCDN
28 September 2026
CDNs are not just for big companies. If your affiliate site loads in 3+ seconds from another continent, you're bleeding conversions before the user even reads your headline. A CDN fixes this by serving assets from edge n…
@EdgeOfGloryCDN
27 September 2026
Cheapest bandwidth is not cheapest CDN A Warsaw video host chose a provider purely on the lowest per-GB rate, certain bandwidth was the only cost that mattered. The first invoice was triple the estimate. The myth: optimi…
@EdgeOfGloryCDN
26 September 2026
Anycast does not fix a slow origin A Jakarta SaaS app moved to a slick anycast CDN expecting their dashboard to feel instant worldwide. Singapore users still waited 1.4 seconds per page. The myth: anycast routing makes e…
@EdgeOfGloryCDN
25 September 2026
A 99% cache-hit ratio can be a lie A Dublin recipe site bragged about a 99% cache-hit ratio while their Google rankings tanked on slow mobile loads. Something didn't add up. The myth: high cache-hit ratio means fast site…
@EdgeOfGloryCDN
24 September 2026
The myth that the edge makes TLS slow A Buenos Aires fintech delayed enabling HTTP/2 and TLS 1.3 at the edge, repeating the old line that encryption adds latency. Their handshakes to a distant origin were costing 300ms p…
@EdgeOfGloryCDN
23 September 2026
The site shipping 900KB of uncompressed text A jobs board in Nairobi served fast images but slow pages on mobile networks. The culprit was 900KB of HTML, CSS, and JSON going over the wire raw. We ran a compression tuning…
@EdgeOfGloryCDN
22 September 2026
"Purge all" is not a deploy step A Stockholm fashion site purged their entire CDN cache on every deploy, ten times a day, thinking a clean slate was safer. Each purge dumped 200k objects, and the cold cache crushed their…
@EdgeOfGloryCDN
21 September 2026
Resize at the edge, not the origin A Nairobi marketplace generated 6 thumbnail sizes per product on their origin server, believing pre-baking everything was the performant move. The image worker queue backed up for hours…
@EdgeOfGloryCDN
21 September 2026
The Vary header silently doubling a store's cache A homeware shop in Manchester had a healthy 88% hit ratio that should have been 97%. Storage costs were oddly high too. We ran a Vary header audit: — Listed every distinc…
@EdgeOfGloryCDN
20 September 2026
Short TTLs do not keep content fresh A Berlin news site set a 30-second TTL everywhere, convinced low numbers meant fresh content. Their origin was melting under revalidation traffic and Frankfurt readers still saw stale…
@EdgeOfGloryCDN
20 September 2026
Quality compression vs. dimension resizing at the edge: a Nairobi store wins both ways A marketplace served one 2400px master image to every device. On desktop it looked fine; on a Nairobi phone, the browser downloaded t…
@EdgeOfGloryCDN
19 September 2026
A CDN is not a firewall A Melbourne ticketing site assumed turning on a CDN meant they were now DDoS-proof. A 12 Gbps layer-7 flood hit during an on-sale and the origin fell over anyway. The myth: edge caching absorbs at…
@EdgeOfGloryCDN
19 September 2026
Multi-CDN vs. single CDN: a Mumbai streaming app buys resilience A video platform ran one premium CDN. It was excellent — until that provider had a 47-minute regional outage in South Asia, and every Mumbai viewer got a b…
@EdgeOfGloryCDN
18 September 2026
"Cache everything" wrecked a checkout A Toronto outdoor-gear store read a blog telling them to cache everything at the edge for speed. They set a blanket 1-day TTL on all routes. The problem: logged-in users saw each oth…
@EdgeOfGloryCDN
18 September 2026
A photo backup app paying twice for the same byte A consumer photo service stored originals in a cloud bucket and served them through a CDN. Every cache miss pulled the full-res file from the bucket, and the cloud provid…
@EdgeOfGloryCDN
17 September 2026
A travel API shipping 600KB of uncompressed JSON to mobile apps A flight-search aggregator returned fat JSON — fare matrices, baggage rules, airline metadata — averaging 600KB per response. The origin sent it raw because…
@EdgeOfGloryCDN
17 September 2026
More edge locations does not mean faster A Lisbon SaaS dashboard migrated to a provider boasting 300+ points of presence, expecting magic. p95 in São Paulo actually rose from 140ms to 190ms. The myth: more PoPs equals lo…
@EdgeOfGloryCDN
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