arduino.cc
Arduino - Home
Last scanned Jul 21, 2026, 11:40 AM · 3 views
Overall score
Fair
Top issues to fix
8 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
Summary
Open-source electronic prototyping platform enabling users to create interactive electronic objects. This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance good (75/100). Top issue: Missing canonical link.
SEO
4 issue(s) found
Performance
21 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Arduino - Home
- Description
- Open-source electronic prototyping platform enabling users to create interactive electronic objects.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- index,follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.13.135
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.arduino.cc
- Valid from
- Jul 8, 2026
- Valid to
- Oct 6, 2026
- Days until expiry
- 77
- SAN domains
- www.arduino.cc
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 2 · H3 3
Links
37 internal · 40 external · 1 broken
Images
41 total · 0 missing alt
Scripts / Styles
38 scripts · 8 stylesheets
JS / CSS size
1.7 MB · 1.7 KB
Page size
351 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://arduino.cc
- Final URL
- https://www.arduino.cc/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 14 ms
- HTML size
- 351 KB
- Redirect chain
- https://arduino.cc → https://www.arduino.cc/
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Frequently asked questions
- What technology does arduino.cc use?
- arduino.cc is built with Next.js, WordPress, Google Analytics.
- Is arduino.cc secure (HTTPS)?
- Yes. arduino.cc uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 6, 2026.
- Who hosts arduino.cc?
- arduino.cc is hosted on Cloudflare, behind Cloudflare CDN.
- What is arduino.cc's SEO score?
- arduino.cc scored 70/100 for SEO in the latest analysis (fair).
- What is arduino.cc's overall website score?
- arduino.cc has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card