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jsdelivr.com

toolLow RiskRecommendedeng · global
85
AI Score
jsDelivr provides a free content delivery network optimized for JavaScript and ESM delivery from npm and GitHub. It handles all web formats and is widely used by developers for production workflows. With a global ranking of #15,966, it boasts high traffic and trust. The site has a minimal, functional design with clear messaging about its performance and reliability. It offers enterprise plans for advanced features, but its core service remains free for open source projects.
CDNOpen SourceDeveloper ToolWeb PerformanceJavaScript Delivery
Overall score
85
Confidence 95%
SEO score
82
good
AI content prob.
5%
Higher = more AI
Domain age
13 years
mature · Est. 2012
8

Risk & compliance

Verdict: Recommended
jsDelivr is a mature, highly trusted, and widely used CDN service. Its free offering for open source projects makes it invaluable to the developer community. Technical performance is top-tier, and the business model is sustainable. Minor UX issues (ads) are outweighed by its benefits. Strongly recommended for developers needing free, reliable content delivery.
Risk level
low
No major risks identified. The site is secure (HTTPS), has a long history, and serves reputable open source content. However, the ad density is high (ads for non-premium users), which could be slightly intrusive but not malicious. Malware risk is none.
Trust level
high
The domain is 13 years old, registered with a reputable registrar (Amazon), and uses HTTPS with Cloudflare. It is a well-known, widely used service by the developer community. There are no malware or phishing reports. The site has a clean design and transparent contact information.
Malware risk
None detected
Ad intrusiveness
high
Risk types
4

Content & positioning

AI content prob.
5%
The website content is concise and highly targeted with minimal fluff, typical of a developer-focused service. Sentences are straightforward, with factual data (request counts, features). No signs of keyword stuffing or unnatural phrasing. Technical descriptions are accurate and consistent with industry jargon. The page uses clear headings and bullet points, indicating human-crafted content.
Content quality
high
Main topics
CDNJavaScript deliveryopen sourcenpmGitHubweb performance
Positioning
jsDelivr positions itself as the leading free CDN for open source projects, emphasizing speed, reliability, and high request volume (150B+/month). Its tagline 'A free CDN for open source projects' directly targets the developer community seeking no-cost, production-grade content delivery.
Update frequency
high
5

Tech & experience

Tech stack
Cloudflare
HTTPS
Enabled
Mobile friendly
good
UX rating
good
Page structure
clear
6

SEO & traffic

SEO score
82
Traffic potential
high
Keyword strategy
structured
Keyword optimization
Current focus
jsdelivrfree cdnnpm cdnopen source cdnjavascript cdn
Missing opportunities
cdn for productionesm deliverygithub cdnoss performancecdn pricing
Quick wins Fast results
Add more targeted H2 tags like 'Enterprise CDN'Include FAQ schemaImprove meta description length and clarity
The site has strong brand recognition and ranks high for its core terms. However, it can expand into related queries such as 'enterprise CDN solutions' and 'ESM module delivery' to capture more traffic from developers evaluating CDNs. Adding structured data and improving internal linking to feature pages would enhance SEO.
Keyword analysis is based on page content inference, not actual search ranking data. For reference only.
7

Business model

Category
saas
Model
Freemium with enterprise plans. Free tier serves open source projects; paid plans offer premium support, SLAs, and additional features. Revenue is generated from enterprise subscriptions and possibly donations.
Monetization
Enterprise subscriptionsPremium supportDonations (if applicable)
Profit potential
high
9

Strengths & weaknesses

Advantages
+Extremely fast and reliable CDN with global edge network via Cloudflare.
+Free for open source projects with no bandwidth limits.
+Serves over 150 billion requests per month, indicating massive adoption.
+Longstanding domain (13 years) builds trust and authority.
+Simple, developer-friendly interface with clear functionality.
Disadvantages
High ad density may irritate free-tier users.
Limited customization for enterprise needs without paid plans.
No detailed analytics or dashboard for end users.
Relies heavily on Cloudflare infrastructure, creating vendor lock-in.
Minimal content on site could be expanded to explain features better.
11

Overall assessment

Overall score
85/ 100
The site scores high across all dimensions. Technical performance is excellent (HTTPS, Cloudflare, mobile-friendly). Content quality is high for its niche. SEO is strong due to brand recognition and targeted keywords. Trust is very high given domain age and reputation. Business model is sustainable with freemium/enterprise mix. Global rank #15,966 confirms strong presence. Minor deductions for high ad density and minimal content depth.
Growth potential
high
Recommendations
1Reduce ad intrusiveness for free users to improve UX.
2Expand content with case studies and technical documentation.
3Target enterprise keywords in SEO to capture premium customers.
4Add user analytics dashboard for traffic monitoring.
5Offer a clear comparison page between free and enterprise tiers.
12

Server & security

Response time
153 ms
IP address
172.67.130.104US
CDN
Cloudflare
SSL expires
Jun 21, 2026
Security headers
CSPnot set
HSTSmax-age=31536000; includeSubDo…
X-Framenot set
X-Content-Typenot set
DNS records
A
172.67.130.104104.21.8.91
MX
5 route2.mx.cloudflare.net55 route1.mx.cloudflare.net53 route3.mx.cloudflare.net
NS
pedro.ns.cloudflare.comsaanvi.ns.cloudflare.com
TXT
fastly-domain-delegation-fkKiejfmiL-581249-2023-03-09google-site-verification=LWLxcNJjbbCbeoSVv_Tm4q1zOE4P43G2pNtAWumO5Tsv=spf1 include:_spf.mx.cloudflare.net ~all
Tech data updated 1h ago
3

Domain background

Domain age
13 years
Registrar
Amazon Registrar, Inc.
Created
2012-05-16T21:34:58Z
Expires
2027-05-16T21:34:58Z
Last updated
unknown
Site stage
mature
Analyzed April 5, 2025 · Report ID: c8bc4d3c