Websites using hosting, cdns and performance tools
103 technologies in this category are detected in the PageSourceSearch index. Each page lists the highest-ranked sites whose HTML or JavaScript contains the exact code that reveals the technology, with the discovery keyword you can search, combine and filter yourself. The most used come first.
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WordPress Multisite
about 1,346,966 sites WordPress Multisite is a hosting technology; this list is derived from the open Wappalyzer rule set.
wp-content/uploads -
Cloudflare
about 430,856 sites Cloudflare is a CDN, DNS and security layer in front of a site.
/cdn-cgi/ -
cdnjs
about 391,082 sites cdnjs is a free open-source library CDN run by Cloudflare.
cdnjs.cloudflare.com/ajax/libs/ -
jsDelivr
about 340,193 sites jsDelivr is a free CDN for npm and GitHub packages.
cdn.jsdelivr.net/ -
Cloudflare Email Obfuscation
about 308,148 sites Cloudflare Email Address Obfuscation hides email addresses on a page from harvesting bots.
/cdn-cgi/l/email-protection -
Google Hosted Libraries
about 269,372 sites Google Hosted Libraries serves popular open-source JavaScript libraries from Google's CDN.
ajax.googleapis.com/ajax/libs/ -
lazysizes
about 177,686 sites lazysizes is a lazy loader for images and iframes driven by class names.
lazysizes -
Cloudflare challenge platform
about 153,994 sites Cloudflare's challenge platform runs bot detection and JavaScript challenges for Bot Management and the WAF.
/cdn-cgi/challenge-platform/ -
BootstrapCDN
about 144,474 sites BootstrapCDN is the free CDN that served Bootstrap and Font Awesome, formerly MaxCDN and StackPath.
bootstrapcdn.com/ -
Amazon CloudFront
about 132,995 sites Amazon CloudFront is the CDN of Amazon Web Services.
cloudfront.net/ -
unpkg
about 122,488 sites unpkg is a CDN for everything on npm.
unpkg.com/ -
WP Rocket
about 96,288 sites WP Rocket is a caching and performance plugin for WordPress.
wp-rocket.me -
Partytown
about 91,298 sites Partytown moves third-party scripts into a web worker to keep the main thread free.
text/partytown -
Google Cloud Storage
about 89,083 sites Google Cloud Storage is Google Cloud's object storage.
storage.googleapis.com/ -
Next.js Image Optimization
about 59,144 sites Next.js Image Optimization resizes and converts images on the fly for the next/image component.
/_next/image?url= -
LiteSpeed Cache
about 52,549 sites LiteSpeed Cache is a caching and optimization plugin for WordPress on LiteSpeed servers.
wp-content/litespeed/ -
W3 Total Cache
about 47,387 sites W3 Total Cache is a WordPress performance plugin for page, object and browser caching.
"Performance optimized by W3 Total Cache" -
instant.page
about 41,676 sites instant.page preloads links on hover so the next page loads almost instantly.
instant.page/ -
Autoptimize
about 39,415 sites Autoptimize is a WordPress plugin that aggregates and minifies scripts and styles.
wp-content/cache/autoptimize/ -
WP Fastest Cache
about 28,989 sites WP Fastest Cache is a WordPress page caching and minification plugin.
/wp-content/cache/wpfc-minified/ -
Cloudinary
about 23,795 sites Cloudinary hosts, transforms and delivers images and video.
res.cloudinary.com/ -
DigitalOcean Spaces
about 20,538 sites DigitalOcean Spaces is S3-compatible object storage with an optional CDN.
digitaloceanspaces.com/ -
Cloudflare Rocket Loader
about 19,054 sites Rocket Loader is Cloudflare's feature that defers a page's JavaScript until after rendering.
rocket-loader.min.js -
Bunny CDN
about 15,961 sites Bunny CDN is bunny.net's low-cost content delivery network.
b-cdn.net/ -
Azure Blob Storage
about 15,938 sites Azure Blob Storage is Microsoft Azure's object storage.
blob.core.windows.net/ -
Cloudflare Image Transformations
about 15,665 sites Cloudflare Image Transformations resize and convert images at Cloudflare's edge by URL.
/cdn-cgi/image/ -
Bunny
about 15,329 sites Bunny is a cdn technology; this list is derived from the open Wappalyzer rule set.
.b-cdn.net -
Firebase Cloud Storage
about 13,953 sites Firebase Cloud Storage stores user-uploaded files for Firebase apps.
firebasestorage.googleapis.com/ -
Azure CDN
about 11,688 sites Azure CDN is Microsoft Azure's content delivery network.
azureedge.net/ -
Akamai
about 10,916 sites Akamai is one of the largest CDN and edge security providers.
akamaihd.net/ -
Canto
about 10,466 sites Canto is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
.canto.com/ -
Fastly
about 8,500 sites Fastly is an edge cloud platform and CDN.
.fastly.net/ -
Microsoft Ajax CDN
about 8,006 sites The Microsoft Ajax CDN hosts jQuery, ASP.NET and other client libraries.
ajax.aspnetcdn.com/ -
imgix
about 7,354 sites imgix is a real-time image processing and delivery CDN.
imgix.net/ -
Microsoft Ajax Content Delivery Network
about 6,631 sites Microsoft Ajax Content Delivery Network is a cdn technology; this list is derived from the open Wappalyzer rule set.
ajax.aspnetcdn.com/ajax/ -
WP Engine
about 6,549 sites WP Engine is a managed WordPress hosting provider.
wpenginepowered.com -
Frontify
about 6,522 sites Frontify is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
.frontify.com/ -
ImageKit
about 6,445 sites ImageKit is an image and video optimization CDN.
ik.imagekit.io/ -
Imperva (Incapsula)
about 6,049 sites Imperva, formerly Incapsula, is a CDN and web application firewall.
_Incapsula_Resource -
ShortPixel Adaptive Images
about 6,017 sites ShortPixel is an image optimization service with a WordPress plugin and image CDN.
shortpixel.ai/ -
Akamai mPulse
about 6,007 sites Akamai mPulse is a real user monitoring service built on the boomerang library.
go-mpulse.net/boomerang/ -
Netlify
about 5,755 sites Netlify is a hosting platform for static sites and serverless functions.
/.netlify/ -
Polyfill.io
5,566 sites Polyfill.io is a polyfill CDN that served feature shims by user agent and became a supply-chain risk in 2024.
polyfill\.io/v[23]/ -
NitroPack
about 5,384 sites NitroPack is an all-in-one site speed optimization service.
nitrocdn.com/ -
Alibaba Cloud CDN
about 5,347 sites Alibaba Cloud CDN is a cdn technology; this list is derived from the open Wappalyzer rule set.
.alicdn.com/ -
RawGit
about 5,314 sites RawGit is a cdn technology; this list is derived from the open Wappalyzer rule set.
cdn.rawgit.com -
THRON
about 5,302 sites THRON is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
.thron.com/ -
KeyCDN
about 5,089 sites KeyCDN is a pay-as-you-go content delivery network.
kxcdn.com/ -
Blitz
about 4,787 sites Blitz is a performance technology; this list is derived from the open Wappalyzer rule set.
<!-- Cached by Blitz on -
Alibaba Cloud OSS
about 4,735 sites Alibaba Cloud Object Storage Service hosts static files and media.
aliyuncs.com/ -
Cloudflare Images
about 4,148 sites Cloudflare Images stores, resizes and delivers images.
imagedelivery.net/ -
Picturepark
about 3,858 sites Picturepark is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
Picturepark -
Uploadcare
about 3,578 sites Uploadcare is a file upload, storage and image processing service with its own CDN.
ucarecdn.com/ -
Amazon S3
3,503 sites Amazon S3 is AWS object storage, often used to host site assets and uploads.
s3[.-][a-z0-9.-]*amazonaws\.com/ -
Nuxt Image (IPX)
about 3,045 sites Nuxt Image with the IPX provider resizes and optimizes images for Nuxt sites.
/_ipx/ -
Cloudflare R2
2,330 sites Cloudflare R2 is object storage without egress fees.
pub-[0-9a-f]{32}\.r2\.dev/ -
Statically
about 2,267 sites Statically is a cdn technology; this list is derived from the open Wappalyzer rule set.
cdn.statically.io/ -
Adobe Dynamic Media Classic
about 2,072 sites Adobe Dynamic Media Classic is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
.scene7.com/ -
PageSpeed Module
1,226 sites The PageSpeed Module (mod_pagespeed, ngx_pagespeed) rewrites pages and assets on the web server.
\.pagespeed\.[a-z]{2}\. -
Cloudimage
about 1,175 sites Cloudimage is a cdn technology; this list is derived from the open Wappalyzer rule set.
.cloudimg.io/ -
StackPath CDN
about 1,150 sites StackPath CDN is an edge content delivery network, successor to MaxCDN.
stackpathcdn.com/ -
PhotoShelter for Brands
about 1,012 sites PhotoShelter for Brands is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
.photoshelter.com/ -
GoDaddy CDN (secureservercdn)
about 999 sites GoDaddy's managed WordPress and hosting plans serve static assets through its own CDN.
secureservercdn.net/ -
Request Metrics
about 946 sites Request Metrics is a performance technology; this list is derived from the open Wappalyzer rule set.
cdn.requestmetrics.com -
Acquia Cloud Site Factory
about 919 sites Acquia Cloud Site Factory is a hosting technology; this list is derived from the open Wappalyzer rule set.
sites/g/files -
Staticfile CDN
913 sites Staticfile is a free open source library CDN run for Chinese developers.
cdn\.staticfile\.(org|net)/ -
Yandex.Cloud CDN
about 885 sites Yandex.Cloud CDN is a cdn technology; this list is derived from the open Wappalyzer rule set.
storage.yandexcloud.net -
Tencent Cloud COS
about 875 sites Tencent Cloud Object Storage hosts static files and media behind Tencent's CDN.
myqcloud.com/ -
ThingPark Enterprise
about 694 sites ThingPark Enterprise is a paas technology; this list is derived from the open Wappalyzer rule set.
.thingpark.com -
Censhare
about 552 sites Censhare is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
CENSHARE -
Filestack
about 530 sites Filestack is a cdn technology; this list is derived from the open Wappalyzer rule set.
.filestackapi.com -
Jetpack Site Accelerator (Photon)
497 sites Jetpack's Site Accelerator, formerly Photon, serves WordPress images from Automattic's CDN.
i[0-3]\.wp\.com/ -
Arc
about 408 sites Arc is a cdn technology; this list is derived from the open Wappalyzer rule set.
arc.io/widget.js -
Cloudflare Mirage
about 397 sites Cloudflare Mirage is a Cloudflare feature that lazy-loads and resizes images for slow connections.
data-cfsrc= -
AiSpeed
about 385 sites AiSpeed is a performance technology; this list is derived from the open Wappalyzer rule set.
aispeed.js -
Firebase Hosting
about 353 sites Firebase Hosting is Google's static and dynamic web hosting for Firebase apps.
/__/firebase/ -
Gcore CDN
about 341 sites Gcore is a global CDN and edge cloud provider.
gcdn.co/ -
Intersection Observer
329 sites Intersection Observer is a performance technology; this list is derived from the open Wappalyzer rule set.
/assets/(?:.+)?intersection-observer\.[\d\w\.]+\.js -
Salsify
about 292 sites Salsify is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
.salsify.com/ -
Queue-it
about 251 sites Queue-it is a performance technology; this list is derived from the open Wappalyzer rule set.
.queue-it.net/ -
Aprimo
about 230 sites Aprimo is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
/media/aprimo -
Azion
about 184 sites Azion is a cdn technology; this list is derived from the open Wappalyzer rule set.
.azion.com/ -
SpeedSize
about 177 sites SpeedSize is a performance technology; this list is derived from the open Wappalyzer rule set.
.speedsize.com/ -
TwicPics
148 sites TwicPics is a cdn technology; this list is derived from the open Wappalyzer rule set.
.+\.twic\.pics -
Brandfolder
about 132 sites Brandfolder is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
cdn.brandfolder.com/ -
ImageEngine
about 91 sites ImageEngine is an image CDN that adapts images to the requesting device.
imgeng.in/ -
ArvanCloud
about 81 sites ArvanCloud is a cdn technology; this list is derived from the open Wappalyzer rule set.
.arvanstorage.com/ -
Gumlet
about 77 sites Gumlet is a performance technology; this list is derived from the open Wappalyzer rule set.
cdn.gumlet.com -
Gatsby Cloud Image CDN
about 75 sites Gatsby Cloud Image CDN is a cdn technology; this list is derived from the open Wappalyzer rule set.
/_gatsby/image/ -
Tencent Cloud
69 sites Tencent Cloud is a cdn technology; this list is derived from the open Wappalyzer rule set.
\.tencent-cloud\.(?:cn|com)/ -
Tiiny Host
68 sites Tiiny Host is a paas technology; this list is derived from the open Wappalyzer rule set.
(?://|\.)tiiny\.(?:host|site)/ -
Celum
about 56 sites Celum is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
/celum/ -
iPaper
about 25 sites iPaper is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
embeds.ipaper.io -
5centsCDN
about 24 sites 5centsCDN is a cdn technology; this list is derived from the open Wappalyzer rule set.
.5centscdn.com/ -
Zmags Creator
22 sites Zmags Creator is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
c(?:reator)?\.zmags\.com/ -
Transloadit
about 15 sites Transloadit is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
transloadit.edgly.net/ -
Hyperlane
about 13 sites Hyperlane is a hosting technology; this list is derived from the open Wappalyzer rule set.
.hyperlane.co/ -
Bluestone PIM
about 11 sites Bluestone PIM is a digital asset management technology; this list is derived from the open Wappalyzer rule set.
media.bluestonepim.com/ -
GotiPath
about 11 sites GotiPath is a cdn technology; this list is derived from the open Wappalyzer rule set.
.gotipath.com/ -
Quadran
about 11 sites Quadran is a performance technology; this list is derived from the open Wappalyzer rule set.
tracker.quadran.eu -
Bask Health
about 10 sites Bask Health is a paas technology; this list is derived from the open Wappalyzer rule set.
analytics.bask.health -
Piio
about 6 sites Piio is a performance technology; this list is derived from the open Wappalyzer rule set.
.piiojs.com/ -
Hyperspeed
3 sites Hyperspeed is a performance technology; this list is derived from the open Wappalyzer rule set.
cdn\.shopify\.com/.+/assets/hs-(?:instantload|lazysizes)\.min\.js