{"id":1514,"date":"2026-10-19T23:10:24","date_gmt":"2026-10-19T23:10:24","guid":{"rendered":"https:\/\/affordablevpsserver.com\/blog\/?p=1514"},"modified":"2026-10-19T23:10:24","modified_gmt":"2026-10-19T23:10:24","slug":"annual-cdn-egress-budget-check","status":"publish","type":"post","link":"https:\/\/affordablevpsserver.com\/blog\/annual-cdn-egress-budget-check\/","title":{"rendered":"Annual CDN and Egress Budgeting: What 1 TB of Image Traffic Actually Costs on a $6 VPS"},"content":{"rendered":"
\n

The figure that decides the bill is not the 1 TB<\/h2>\n

“1 TB of images” sounds like a single number, but the annual bill depends on how those bytes leave the server, how many times they leave, and whether anyone pays for the request count separately. On a $6 plan with 1 TB of monthly transfer, 1 TB per month is exactly at the limit; 1 TB per year is a rounding error. Budgeting starts with fixing the unit before comparing options.<\/p>\n

The worked example below assumes a photography or product site pushing 1 TB of image traffic per month, about 33 GB per day, served from a $6 VPS. Plan assumptions come from the budget VPS comparison table<\/a>, which lists included transfer and overage rates so the arithmetic can be checked against real plans rather than hypothetical ones.<\/p>\n

Baseline: what the $6 VPS bills with no CDN<\/h2>\n

A $6 plan typically includes 1-3 TB per month. If it includes 1 TB, a 1 TB month bills at exactly $6 but leaves zero headroom, and any month with a traffic spike or a search crawler pass pushes into overage. At a typical $0.01\/GB, 200 GB of extra traffic costs $2, a 33% increase on the plan for one busy week.<\/p>\n

The more expensive problem is upstream bandwidth contention. Serving 1 TB\/month averages about 0.4 MB\/s, which is trivial. But a single gallery page that loads 8 MB of images can be requested by 400 visitors in ten minutes, producing a 50-90 MB\/s burst that saturates a budget VPS NIC and drags TTFB for HTML along with it. The plan price does not change; the experience does.<\/p>\n

Option A: keep it on the VPS and prepay overage<\/h2>\n

Prepaying extra transfer is the cheapest option when traffic is steady and geographically concentrated. Buying a 3 TB allowance often costs $2-$4\/mo more than the 1 TB tier, which is $24-$48 per year and removes the overage risk entirely. That beats most CDN pricing for a single-region audience, where a CDN adds a hop but no latency benefit.<\/p>\n

The catch is burst protection. Prepaid transfer does not increase the NIC or the disk read throughput. If the 1 TB is dominated by a few large galleries, caching those on the box with expires 30d<\/code> and converting to WebP cuts bytes by 25-40% before any infrastructure change, which is often the highest return action available.<\/p>\n

Option B: full CDN in front, origin shielded<\/h2>\n

A CDN with a 90% hit rate moves 100 GB\/month through the origin and 900 GB through the edge. At typical budget-CDN pricing of $0.01-$0.04 per GB in North America and Europe, 1 TB at the edge costs $10-$40 per month, or $120-$480 per year, which is 2-5 times the VPS itself. That is a real cost, and on a $6 box it dominates the budget line.<\/p>\n

The CDN becomes worth it when hit rates are high and the origin plan is small. A $6 plan with 1 TB included plus a CDN at 92% hit rate handles roughly 12 TB of edge traffic per month before the origin allowance is touched. If your traffic grows past that, the CDN is cheaper than upgrading to a $30 origin plan with 10 TB included, but not cheaper than a $9 plan with 3 TB for a 1 TB workload.<\/p>\n

Option C: object storage plus CDN for images only<\/h2>\n

Splitting images to object storage removes them from the VPS transfer line entirely. Storage at $0.015\/GB\/month for 50 GB of images is $0.75\/mo, and serving from an object store with a CDN front is typically $0.005-$0.02 per GB out. For 1 TB per month that is $5-$20, plus $9 per year in storage, which is competitive with option B and removes image load from the VPS disk as well.<\/p>\n

The hidden line is operations: request counts, egress from the object store to the CDN, and cache invalidation. Providers that bill per 10,000 requests add roughly $0.40 per million requests, which is minor for images but noticeable if you serve thumbnails in many sizes. Measure requests per page before choosing a per-request-priced tier.<\/p>\n

Annual cost table for 1 TB per month<\/h2>\n

The table compares the three options over a year, using the $6 VPS as the anchor and mid-range CDN and object-storage rates. Figures exclude the VPS compute itself except where the origin plan must be upgraded.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Line<\/th>\nA: VPS + prepaid<\/th>\nB: VPS + CDN<\/th>\nC: VPS + object + CDN<\/th>\n<\/tr>\n
Compute plan<\/td>\n$6\/mo<\/td>\n$6\/mo<\/td>\n$6\/mo<\/td>\n<\/tr>\n
Included transfer<\/td>\n3 TB prepaid, +$3\/mo<\/td>\n1 TB origin<\/td>\n1 TB origin<\/td>\n<\/tr>\n
Edge egress (1 TB)<\/td>\n$0<\/td>\n$20\/mo<\/td>\n$15\/mo<\/td>\n<\/tr>\n
Object storage (50 GB)<\/td>\n$0<\/td>\n$0<\/td>\n$1\/mo<\/td>\n<\/tr>\n
Request charges<\/td>\n$0<\/td>\n$0<\/td>\n$2\/mo<\/td>\n<\/tr>\n
Monthly total<\/b><\/td>\n$9<\/b><\/td>\n$26<\/b><\/td>\n$24<\/b><\/td>\n<\/tr>\n
Annual total<\/b><\/td>\n$108<\/b><\/td>\n$312<\/b><\/td>\n$288<\/b><\/td>\n<\/tr>\n
Break-even traffic<\/td>\nunder 3 TB\/mo<\/td>\nabove 4 TB\/mo<\/td>\nabove 3.5 TB\/mo<\/td>\n<\/tr>\n<\/table>\n

For a flat 1 TB\/month, option A wins by a wide margin. The CDN options only become rational at sustained traffic far above the origin allowance, or when the burst problem matters more than the annual line, such as a launch or a seasonal peak where the 50-90 MB\/s spike is the actual constraint.<\/p>\n

Modeling the year, not the average month<\/h2>\n

Annual budgeting needs the monthly distribution, not the mean. Use twelve rows of actual egress from your server logs, then multiply each by the per-GB rate including overage. A site averaging 1 TB with two months at 2.6 TB will bill differently under option A than a site at exactly 1 TB every month, because overage applies in those two months.<\/p>\n

Add a 15-20% buffer for crawlers, retries and log shipping. Bots that ignore robots.txt<\/code> can add 5-10% of image traffic alone, and hotlink scraping can add far more if images are unprotected. Referrer or user-agent blocking at the CDN edge removes most of it for free.<\/p>\n

Reducing bytes before buying bandwidth<\/h2>\n

Compression is cheaper than any CDN tier. Converting JPEG to WebP at quality 80 typically cuts image bytes 25-40%; serving AVIF where supported adds another 10-15%. Setting Cache-Control: public, max-age=2592000, immutable<\/code> on hashed asset names drops repeat requests to near zero. Resizing originals so no image is served above 2x its display width removes the largest single source of waste.<\/p>\n

On the server side, enabling Brotli for HTML and CSS and keeping images out of the gzip path avoids wasting CPU on already-compressed data. On a 2 GB VPS with one vCPU, image transformation through a dynamic resizer costs more CPU than the bandwidth it saves; pre-generating three sizes at upload time is the better trade.<\/p>\n

Decision checklist before the year starts<\/h2>\n

Pull the last 12 months of egress, note the peak month and the number of months above the allowance, and pick the option whose break-even line sits above your peak rather than your average. Recheck at quarter boundaries, because a single viral gallery can move a site from option A to option C in one month.<\/p>\n

If the peak month is more than double the average, buy headroom on the plan rather than a CDN, since burst tolerance comes from the origin. The budget VPS plan comparisons<\/a> sort by included transfer and overage rate, which is the only pair of numbers that matters for this line item.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

The figure that decides the bill is not the 1 TB “1 TB of images” sounds like a single number, but the annual bill depends on how those bytes leave the server, how many times they leave, and whether anyone pays for the request count separately. On a $6 plan with 1 TB of monthly […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":1,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1514","post","type-post","status-publish","format-standard","hentry","category-cost-optimization-tips"],"blocksy_meta":[],"yoast_head":"\nAnnual CDN and Egress Budgeting: What 1 TB of Image Traffic Actually Costs on a $6 VPS - Affordable VPS Server Blog<\/title>\n<meta name=\"description\" content=\"The figure that decides the bill is not the 1 TB "1 TB of images" sounds like a single number, but the annual bill depends on how those bytes leave the\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/affordablevpsserver.com\/blog\/annual-cdn-egress-budget-check\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Annual CDN and Egress Budgeting: What 1 TB of Image Traffic Actually Costs on a $6 VPS\" \/>\n<meta property=\"og:description\" content=\"Annual CDN and Egress Budgeting: What 1 TB of Image Traffic Actually Costs on a $6 VPS\" \/>\n<meta property=\"og:url\" content=\"https:\/\/affordablevpsserver.com\/blog\/annual-cdn-egress-budget-check\/\" \/>\n<meta property=\"og:site_name\" content=\"Affordable VPS Server Blog\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-19T23:10:24+00:00\" \/>\n<meta name=\"author\" content=\"Affordable-Vps-Server-Author\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Affordable-Vps-Server-Author\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/affordablevpsserver.com\/blog\/annual-cdn-egress-budget-check\/\",\"url\":\"https:\/\/affordablevpsserver.com\/blog\/annual-cdn-egress-budget-check\/\",\"name\":\"Annual CDN and Egress Budgeting: What 1 TB of Image Traffic Actually Costs on a $6 VPS - 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