jsdelivr.com

toolLow RiskRecommendedeng · global

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

Confidence 95%

SEO score

good

AI content prob.

Higher = more AI

Domain age

13 years

mature · Est. 2012

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

Content & positioning

AI content prob.

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

Tech & experience

Tech stack

Cloudflare

HTTPS

Enabled

Mobile friendly

good

UX rating

good

Page structure

clear

SEO & traffic

SEO score

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.

Business model

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.

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.

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

172.67.130.104104.21.8.91

5 route2.mx.cloudflare.net55 route1.mx.cloudflare.net53 route3.mx.cloudflare.net

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