https://www.cdnworld.com/blogIndependent analysis of CDN pricing, performance and strategy.en https://www.cdnworld.com/article/imperva-vs-link11-reblazehttps://www.cdnworld.com/article/imperva-vs-link11-reblazeWed, 08 Jul 2026 08:00:00 +0000When the WAF is the product and the CDN is the vehicle: two security-natives compared. https://www.cdnworld.com/article/edge-ab-testing-personalizationhttps://www.cdnworld.com/article/edge-ab-testing-personalizationTue, 07 Jul 2026 08:00:00 +0000Experimentation and caching are natural enemies. The assignment-at-edge patterns that make peace. https://www.cdnworld.com/article/cdn-benchmarks-fair-bakeoffhttps://www.cdnworld.com/article/cdn-benchmarks-fair-bakeoffMon, 06 Jul 2026 08:00:00 +0000How to benchmark providers on your own traffic without fooling yourself. https://www.cdnworld.com/article/prefetch-preload-early-hintshttps://www.cdnworld.com/article/prefetch-preload-early-hintsMon, 06 Jul 2026 08:00:00 +0000The resource-hint toolbox: what each hint promises, what it costs, and the misuse that makes pages slower. https://www.cdnworld.com/article/keycdn-vs-belugacdnhttps://www.cdnworld.com/article/keycdn-vs-belugacdnSun, 05 Jul 2026 08:00:00 +0000Small teams, small prices, real engineering: what the minimalists trade and keep. https://www.cdnworld.com/article/rum-implementation-guidehttps://www.cdnworld.com/article/rum-implementation-guideSun, 05 Jul 2026 08:00:00 +0000Beacons, attribution, sampling and the traps between the timing APIs and the truth. https://www.cdnworld.com/article/edge-config-deploy-canaryhttps://www.cdnworld.com/article/edge-config-deploy-canarySat, 04 Jul 2026 08:00:00 +0000Version control, canaries and rollback for the config layer that can take down everything at once. https://www.cdnworld.com/article/geo-steering-latency-routinghttps://www.cdnworld.com/article/geo-steering-latency-routingFri, 03 Jul 2026 08:00:00 +0000The decision inputs inside DNS steering platforms, and why geographic proximity keeps losing to measurement. https://www.cdnworld.com/article/huawei-vs-baidu-cdnhttps://www.cdnworld.com/article/huawei-vs-baidu-cdnThu, 02 Jul 2026 08:00:00 +0000The engineering giant against the search giant: China's second hyperscaler pairing. https://www.cdnworld.com/article/cache-hit-ratio-metrichttps://www.cdnworld.com/article/cache-hit-ratio-metricWed, 01 Jul 2026 08:00:00 +0000One number that is simultaneously a performance and a finance report. https://www.cdnworld.com/article/leaseweb-vs-cacheflyhttps://www.cdnworld.com/article/leaseweb-vs-cacheflyWed, 01 Jul 2026 08:00:00 +0000A hosting empire's delivery arm against the original TCP-anycast specialist. https://www.cdnworld.com/article/value-cdns-bunny-cdn77-keycdnhttps://www.cdnworld.com/article/value-cdns-bunny-cdn77-keycdnSun, 21 Jun 2026 08:00:00 +0000The segment below the enterprise tier, reviewed without snobbery. https://www.cdnworld.com/article/gcore-vs-ovhcloudhttps://www.cdnworld.com/article/gcore-vs-ovhcloudSat, 20 Jun 2026 08:00:00 +0000Two Europe-rooted platforms with different centers of gravity: an edge-and-AI network versus a hosting giant's utility CDN. https://www.cdnworld.com/article/cache-warming-prefillhttps://www.cdnworld.com/article/cache-warming-prefillMon, 15 Jun 2026 08:00:00 +0000Product launches, sales events and failovers all start with cold caches. Warming strategies that work, and the ones that backfire. https://www.cdnworld.com/article/dns-ttl-strategyhttps://www.cdnworld.com/article/dns-ttl-strategyFri, 05 Jun 2026 08:00:00 +0000Resolver reality versus configured TTLs, CNAME chain costs, and choosing timers per record class. https://www.cdnworld.com/article/imageengine-vs-medianovahttps://www.cdnworld.com/article/imageengine-vs-medianovaTue, 02 Jun 2026 08:00:00 +0000Device-aware image intelligence against a media-first regional network. https://www.cdnworld.com/article/how-cdn-resellers-get-better-rateshttps://www.cdnworld.com/article/how-cdn-resellers-get-better-ratesMon, 01 Jun 2026 08:00:00 +0000Channel economics, explained without the mystique. https://www.cdnworld.com/article/websockets-grpc-through-cdnhttps://www.cdnworld.com/article/websockets-grpc-through-cdnTue, 26 May 2026 08:00:00 +0000Long-lived and binary protocols meet infrastructure built for request-response: what works, what breaks, what to demand. https://www.cdnworld.com/article/http3-quic-in-practicehttps://www.cdnworld.com/article/http3-quic-in-practiceSat, 23 May 2026 08:00:00 +0000Measured gains, honest caveats, and who benefits most. https://www.cdnworld.com/article/blazingcdn-vs-bunnyhttps://www.cdnworld.com/article/blazingcdn-vs-bunnyThu, 21 May 2026 08:00:00 +0000Two aggressive challengers compared where their pitch overlaps: maximum delivery per dollar. https://www.cdnworld.com/article/cdn-trends-2027-budgethttps://www.cdnworld.com/article/cdn-trends-2027-budgetSun, 17 May 2026 08:00:00 +0000The December read on next year's line items. https://www.cdnworld.com/article/how-to-read-a-cdn-invoicehttps://www.cdnworld.com/article/how-to-read-a-cdn-invoiceSat, 16 May 2026 08:00:00 +0000Effective rates, commitment gaps, request fees and the one date that decides your leverage. https://www.cdnworld.com/article/ns1-vs-route53-vs-cloudflare-dnshttps://www.cdnworld.com/article/ns1-vs-route53-vs-cloudflare-dnsThu, 14 May 2026 08:00:00 +0000Managed DNS is the control plane of multi-CDN. Choose it like one. https://www.cdnworld.com/article/http2-http3-multiplexing-priorityhttps://www.cdnworld.com/article/http2-http3-multiplexing-priorityWed, 13 May 2026 08:00:00 +0000One connection, many streams, finite bandwidth: how priorities work now and where they still break. https://www.cdnworld.com/article/azure-cdn-vs-front-doorhttps://www.cdnworld.com/article/azure-cdn-vs-front-doorSun, 10 May 2026 08:00:00 +0000Same vendor, different products, one clear direction of travel. https://www.cdnworld.com/article/akamai-vs-fastly-vs-cloudflarehttps://www.cdnworld.com/article/akamai-vs-fastly-vs-cloudflareSat, 09 May 2026 08:00:00 +0000Three philosophies of the edge, compared on workloads rather than slogans. https://www.cdnworld.com/article/security-headers-at-edgehttps://www.cdnworld.com/article/security-headers-at-edgeThu, 07 May 2026 08:00:00 +0000HSTS, CSP, frame controls: the response headers that are policy, and why the edge is where they belong. https://www.cdnworld.com/article/cdn-renewal-playbookhttps://www.cdnworld.com/article/cdn-renewal-playbookTue, 28 Apr 2026 08:00:00 +0000How prepared buyers routinely take 30% off at renewal without switching providers. https://www.cdnworld.com/article/cdn-migration-without-downtimehttps://www.cdnworld.com/article/cdn-migration-without-downtimeSun, 26 Apr 2026 08:00:00 +0000A 30-day migration plan that removes the fear from moving. https://www.cdnworld.com/article/what-a-cdn-should-cost-2026https://www.cdnworld.com/article/what-a-cdn-should-cost-2026Thu, 23 Apr 2026 08:00:00 +0000Real per-GB economics by volume and workload, and why nobody should pay the list rate. https://www.cdnworld.com/article/brotli-zstd-compression-edgehttps://www.cdnworld.com/article/brotli-zstd-compression-edgeWed, 22 Apr 2026 08:00:00 +0000Ratios, CPU budgets, dictionary tricks and the config that quietly ships uncompressed bytes. https://www.cdnworld.com/article/tls-13-zero-rtt-edgehttps://www.cdnworld.com/article/tls-13-zero-rtt-edgeSat, 18 Apr 2026 08:00:00 +0000Where the milliseconds went, how session resumption works now, and the replay caveat on 0-RTT. https://www.cdnworld.com/article/cache-control-directives-masteryhttps://www.cdnworld.com/article/cache-control-directives-masteryThu, 16 Apr 2026 08:00:00 +0000max-age, s-maxage, stale-while-revalidate and friends: what each directive really instructs, and the combinations that misfire. https://www.cdnworld.com/article/how-to-choose-a-cdn-2026https://www.cdnworld.com/article/how-to-choose-a-cdn-2026Mon, 13 Apr 2026 08:00:00 +0000Seven questions that decide it, none of which is who has the most POPs. https://www.cdnworld.com/article/anycast-bgp-mechanicshttps://www.cdnworld.com/article/anycast-bgp-mechanicsFri, 10 Apr 2026 08:00:00 +0000How one IP answers from a hundred cities, what decides where you land, and how it fails. https://www.cdnworld.com/article/multi-cdn-2026-guidehttps://www.cdnworld.com/article/multi-cdn-2026-guideThu, 09 Apr 2026 08:00:00 +0000Architecture, steering and the trade-offs the pitch decks skip. https://www.cdnworld.com/article/core-web-vitals-cdnhttps://www.cdnworld.com/article/core-web-vitals-cdnMon, 30 Mar 2026 08:00:00 +0000Which milliseconds Google actually grades, and which the CDN controls. https://www.cdnworld.com/article/when-a-standard-plan-is-righthttps://www.cdnworld.com/article/when-a-standard-plan-is-rightMon, 23 Mar 2026 08:00:00 +0000The honest case against overbuying, from people who sell the bigger thing. https://www.cdnworld.com/article/origin-shield-architecturehttps://www.cdnworld.com/article/origin-shield-architectureSun, 22 Mar 2026 08:00:00 +0000Collapsing thousands of edges into one origin-facing cache, and the design choices inside it. https://www.cdnworld.com/article/fastly-per-request-pricinghttps://www.cdnworld.com/article/fastly-per-request-pricingSat, 21 Mar 2026 08:00:00 +0000Regional rates plus request fees make sense for some workloads and mislead others. https://www.cdnworld.com/article/error-taxonomy-5xx-triagehttps://www.cdnworld.com/article/error-taxonomy-5xx-triageMon, 16 Mar 2026 08:00:00 +0000Whose 503 is it anyway: decoding delivery-layer errors and routing incidents to the right owner in minutes. https://www.cdnworld.com/article/image-pipeline-avif-webphttps://www.cdnworld.com/article/image-pipeline-avif-webpSun, 15 Mar 2026 08:00:00 +0000Format ladders, quality budgets and the delivery plumbing that gets the right bytes to the right screen. https://www.cdnworld.com/article/state-of-cdn-pricing-2026https://www.cdnworld.com/article/state-of-cdn-pricing-2026Sun, 08 Mar 2026 08:00:00 +0000Our annual read on where delivery rates actually cleared this year. https://www.cdnworld.com/article/fastly-vs-cloudfronthttps://www.cdnworld.com/article/fastly-vs-cloudfrontThu, 05 Mar 2026 08:00:00 +0000Developer edge against AWS gravity. https://www.cdnworld.com/article/web-fonts-deliveryhttps://www.cdnworld.com/article/web-fonts-deliveryWed, 04 Mar 2026 08:00:00 +0000WOFF2, subsetting, font-display and preload: ending the invisible-text era one header at a time. https://www.cdnworld.com/article/bot-management-comparedhttps://www.cdnworld.com/article/bot-management-comparedThu, 26 Feb 2026 08:00:00 +0000How Akamai, Cloudflare and Fastly sort good crawlers from bad. https://www.cdnworld.com/article/waterfall-analysis-ttfb-debughttps://www.cdnworld.com/article/waterfall-analysis-ttfb-debugFri, 20 Feb 2026 08:00:00 +0000From symptom to layer in six timing segments: a repeatable diagnosis for slow first bytes. https://www.cdnworld.com/article/range-requests-video-downloadshttps://www.cdnworld.com/article/range-requests-video-downloadsThu, 19 Feb 2026 08:00:00 +0000Byte ranges are the quiet workhorse of media delivery. Here is how caches handle them, and where they go wrong. https://www.cdnworld.com/article/edgio-verizon-postmortemhttps://www.cdnworld.com/article/edgio-verizon-postmortemTue, 17 Feb 2026 08:00:00 +0000How 23 years of CDN history ended in January 2025, and what every buyer should learn from it. https://www.cdnworld.com/article/akamai-vs-cdnetworks-measuredhttps://www.cdnworld.com/article/akamai-vs-cdnetworks-measuredSat, 14 Feb 2026 08:00:00 +0000Enterprise heritage against Asia strength, and where each rate card wins. https://www.cdnworld.com/article/request-collapsing-thundering-herdhttps://www.cdnworld.com/article/request-collapsing-thundering-herdSun, 08 Feb 2026 08:00:00 +0000What happens in the milliseconds after a hot object expires, and the machinery that keeps it boring. https://www.cdnworld.com/article/multi-cdn-failover-outage-lessonshttps://www.cdnworld.com/article/multi-cdn-failover-outage-lessonsThu, 05 Feb 2026 08:00:00 +0000Every major CDN incident is a free failover test. Here is what they keep proving. https://www.cdnworld.com/article/quic-cloud-vs-nitropackhttps://www.cdnworld.com/article/quic-cloud-vs-nitropackWed, 04 Feb 2026 08:00:00 +0000When the CDN is the delivery arm of an optimization engine, for the WordPress-shaped web. https://www.cdnworld.com/article/cdn-trials-done-righthttps://www.cdnworld.com/article/cdn-trials-done-rightMon, 02 Feb 2026 08:00:00 +0000A trial is an experiment. Treat it like one. https://www.cdnworld.com/article/tencent-vs-alibaba-cdnhttps://www.cdnworld.com/article/tencent-vs-alibaba-cdnSun, 01 Feb 2026 08:00:00 +0000China's hyperscaler edges compared, for traffic that lives where they do. https://www.cdnworld.com/article/rum-vs-synthetichttps://www.cdnworld.com/article/rum-vs-syntheticFri, 30 Jan 2026 08:00:00 +0000Why lab scores mislead CDN decisions, and what to trust instead. https://www.cdnworld.com/article/multi-cdn-log-unificationhttps://www.cdnworld.com/article/multi-cdn-log-unificationThu, 29 Jan 2026 08:00:00 +0000Field mapping, delivery lag, sampling honesty: building the observability layer multi-CDN actually requires. https://www.cdnworld.com/article/cdnetworks-vs-edgenexthttps://www.cdnworld.com/article/cdnetworks-vs-edgenextSat, 24 Jan 2026 08:00:00 +0000Two networks built east-first, compared where Western maps run out of detail. https://www.cdnworld.com/article/video-cdn-pricing-explainedhttps://www.cdnworld.com/article/video-cdn-pricing-explainedMon, 19 Jan 2026 08:00:00 +0000Cost per viewer-hour is the only number that matters. Here is the math. https://www.cdnworld.com/article/kingsoft-vs-volcenginehttps://www.cdnworld.com/article/kingsoft-vs-volcengineSat, 17 Jan 2026 08:00:00 +0000China's challenger tier: the veteran independent against ByteDance's traffic machine. https://www.cdnworld.com/article/sucuri-vs-myrahttps://www.cdnworld.com/article/sucuri-vs-myraFri, 16 Jan 2026 08:00:00 +0000A mass-market site firewall against German critical-infrastructure engineering. https://www.cdnworld.com/article/varnish-vcl-mental-modelhttps://www.cdnworld.com/article/varnish-vcl-mental-modelWed, 14 Jan 2026 08:00:00 +0000Varnish's configuration language shaped how a generation reasons about caching. The state machine is the curriculum. https://www.cdnworld.com/article/fastly-vs-cloudfront-technicalhttps://www.cdnworld.com/article/fastly-vs-cloudfront-technicalFri, 09 Jan 2026 08:00:00 +0000Instant VCL against AWS integration: what each architecture gives and takes. https://www.cdnworld.com/article/single-multi-or-renegotiatehttps://www.cdnworld.com/article/single-multi-or-renegotiateFri, 26 Dec 2025 08:00:00 +0000The four questions that settle the debate. https://www.cdnworld.com/article/ddos-attack-taxonomyhttps://www.cdnworld.com/article/ddos-attack-taxonomyThu, 25 Dec 2025 08:00:00 +0000Volumetric floods, state exhaustion and application-layer siege: what each looks like, and which defense actually answers it. https://www.cdnworld.com/article/quic-internals-for-operatorshttps://www.cdnworld.com/article/quic-internals-for-operatorsSat, 20 Dec 2025 08:00:00 +0000Streams, connection IDs, loss recovery and migration: what actually changed under HTTP/3. https://www.cdnworld.com/article/ttfb-explainedhttps://www.cdnworld.com/article/ttfb-explainedWed, 17 Dec 2025 08:00:00 +0000The most quoted latency metric, what it reveals, and what it hides. https://www.cdnworld.com/article/dns-steering-vs-client-switchinghttps://www.cdnworld.com/article/dns-steering-vs-client-switchingTue, 16 Dec 2025 08:00:00 +0000How multi-CDN routing actually decides, and which decider fits you. https://www.cdnworld.com/article/bot-fingerprinting-ja3-signalshttps://www.cdnworld.com/article/bot-fingerprinting-ja3-signalsSun, 14 Dec 2025 08:00:00 +0000JA3-style hashes, header forensics and behavior models: how edges classify automation, and the arms race underneath. https://www.cdnworld.com/article/google-cloud-cdn-vs-azure-front-doorhttps://www.cdnworld.com/article/google-cloud-cdn-vs-azure-front-doorSat, 13 Dec 2025 08:00:00 +0000Two hyperscaler edges with different souls: a cache bolted to a load balancer versus a global L7 front door. https://www.cdnworld.com/article/ddos-protection-pricinghttps://www.cdnworld.com/article/ddos-protection-pricingSat, 29 Nov 2025 08:00:00 +0000Mitigation pricing at each scale, and where the padding hides. https://www.cdnworld.com/article/cache-poisoning-defensehttps://www.cdnworld.com/article/cache-poisoning-defenseWed, 19 Nov 2025 08:00:00 +0000Unkeyed inputs, header smuggling and the defenses that keep your cache from becoming the attacker's CDN. https://www.cdnworld.com/article/mtls-origin-securityhttps://www.cdnworld.com/article/mtls-origin-securityTue, 18 Nov 2025 08:00:00 +0000Your edge is hardened; is your origin still on the public internet answering strangers? Closing the bypass properly. https://www.cdnworld.com/article/ipv6-happy-eyeballs-deliveryhttps://www.cdnworld.com/article/ipv6-happy-eyeballs-deliverySun, 16 Nov 2025 08:00:00 +0000Dual-stack reality: what v6 changes for latency, what it breaks when half-configured, and how clients race the two. https://www.cdnworld.com/article/bbr-congestion-control-cdnhttps://www.cdnworld.com/article/bbr-congestion-control-cdnThu, 13 Nov 2025 08:00:00 +0000Loss-based versus model-based congestion control, and why the algorithm your CDN runs shapes your users' throughput. https://www.cdnworld.com/article/free-cdn-tiers-true-costhttps://www.cdnworld.com/article/free-cdn-tiers-true-costTue, 04 Nov 2025 08:00:00 +0000What free plans actually trade, and when the trade is fine. https://www.cdnworld.com/article/waf-testing-methodologyhttps://www.cdnworld.com/article/waf-testing-methodologyThu, 30 Oct 2025 08:00:00 +0000Beyond the deployment checkbox: measuring what your rules actually catch, pass and break. https://www.cdnworld.com/article/egress-fees-cdnhttps://www.cdnworld.com/article/egress-fees-cdnWed, 29 Oct 2025 08:00:00 +0000Every request your CDN serves is a request your cloud does not bill for. https://www.cdnworld.com/article/committed-volume-tiers-explainedhttps://www.cdnworld.com/article/committed-volume-tiers-explainedFri, 24 Oct 2025 08:00:00 +0000How tier pricing really works, and when committing more genuinely costs less. https://www.cdnworld.com/article/fastly-review-2026https://www.cdnworld.com/article/fastly-review-2026Thu, 23 Oct 2025 08:00:00 +0000Where instant configuration earns its premium. https://www.cdnworld.com/article/security-renewal-traphttps://www.cdnworld.com/article/security-renewal-trapSun, 19 Oct 2025 08:00:00 +0000Auto-renews, mitigation clauses and the overage exposure in your contract. https://www.cdnworld.com/article/third-party-tags-performancehttps://www.cdnworld.com/article/third-party-tags-performanceWed, 15 Oct 2025 08:00:00 +0000Analytics, ads, widgets: measuring the tax, containing the blast radius, and governing the creep. https://www.cdnworld.com/article/waf-tuning-defaultshttps://www.cdnworld.com/article/waf-tuning-defaultsTue, 14 Oct 2025 08:00:00 +0000Blocking customers and missing attacks at the same time. https://www.cdnworld.com/article/single-page-app-deliveryhttps://www.cdnworld.com/article/single-page-app-deliverySun, 12 Oct 2025 08:00:00 +0000Fingerprinted bundles, HTML that must not cache long, and the deploy-time race that 404s your users. https://www.cdnworld.com/article/do-you-need-multi-cdnhttps://www.cdnworld.com/article/do-you-need-multi-cdnFri, 10 Oct 2025 08:00:00 +0000The thresholds that justify it, and the polite ways to say not yet. https://www.cdnworld.com/article/cdnetworks-review-2026https://www.cdnworld.com/article/cdnetworks-review-2026Fri, 03 Oct 2025 08:00:00 +0000The honest independent assessment of Asia's strongest delivery network. https://www.cdnworld.com/article/cdn77-vs-bunnyhttps://www.cdnworld.com/article/cdn77-vs-bunnyWed, 01 Oct 2025 08:00:00 +0000Two networks that made cheap respectable, compared on the engineering that hides under the price. https://www.cdnworld.com/article/stale-while-revalidate-deephttps://www.cdnworld.com/article/stale-while-revalidate-deepSat, 27 Sep 2025 08:00:00 +0000The directive that removes revalidation latency: how it executes inside a CDN, and where its guarantees end. https://www.cdnworld.com/article/dynamic-content-accelerationhttps://www.cdnworld.com/article/dynamic-content-accelerationThu, 25 Sep 2025 08:00:00 +0000Dynamic acceleration explained without the mysticism. https://www.cdnworld.com/article/cdn-contract-terms-that-bitehttps://www.cdnworld.com/article/cdn-contract-terms-that-biteWed, 24 Sep 2025 08:00:00 +0000The contract terms that quietly decide what you actually pay. https://www.cdnworld.com/article/crawl-budget-seo-deliveryhttps://www.cdnworld.com/article/crawl-budget-seo-deliverySun, 21 Sep 2025 08:00:00 +0000How bots experience your CDN, why 5xx and slowness shrink your index, and the delivery settings that are secretly SEO settings. https://www.cdnworld.com/article/cdn-provider-landscape-2026https://www.cdnworld.com/article/cdn-provider-landscape-2026Thu, 18 Sep 2025 08:00:00 +0000Who actually competes for what, from hyperscale to specialist. https://www.cdnworld.com/article/cors-preflight-edgehttps://www.cdnworld.com/article/cors-preflight-edgeMon, 15 Sep 2025 08:00:00 +0000Why OPTIONS requests stalk your APIs, how to cache them properly, and the config that makes them vanish. https://www.cdnworld.com/article/signed-urls-token-authhttps://www.cdnworld.com/article/signed-urls-token-authThu, 11 Sep 2025 08:00:00 +0000Protecting content without an origin round trip: schemes, expiry design and the revocation trade. https://www.cdnworld.com/article/hls-vs-dash-2026https://www.cdnworld.com/article/hls-vs-dash-2026Wed, 10 Sep 2025 08:00:00 +0000Two manifests, one segment format, and the packaging decisions that still matter. https://www.cdnworld.com/article/consistent-hashing-cache-clustershttps://www.cdnworld.com/article/consistent-hashing-cache-clustersFri, 05 Sep 2025 08:00:00 +0000How a POP decides which server owns an object, and why nodes joining or leaving barely moves the cache. https://www.cdnworld.com/article/live-event-capacity-planninghttps://www.cdnworld.com/article/live-event-capacity-planningWed, 03 Sep 2025 08:00:00 +0000Live events reward preparation with anticlimax. 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