alphavantage.co
Free Stock APIs in JSON & Excel | Alpha Vantage
Last scanned Jul 26, 2026, 12:19 PM
Overall score
Great
Summary
Alpha Vantage offers free stock APIs in JSON and CSV formats for realtime and historical stock market data, options, forex, commodity, cryptocurrency feeds and over 50 technical indicators. This website uses Google Analytics behind Cloudflare CDN. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Alpha Vantage offers free stock APIs in JSON and CSV formats for realtime and historical stock market data, options, forex, commodity, cryptocurrency feeds and over 50 technical indicators. Global market news API and sentiment scores powered by AI and machine learning. Supports intraday, daily, weekly, and monthly quotes and technical analysis with chart-ready time series.
Top issues to fix
10 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
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.
+4 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
382 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Alpha Vantage offers free stock APIs in JSON and CSV formats for realtime and historical stock market data, options, forex, commodity, cryptocurrency feeds and over 50 technical indicators. Global market news API and sentiment scores powered by AI and machine learning. Supports intraday, daily, weekly, and monthly quotes and technical analysis with chart-ready time series.
Meta tags
- Title
- Free Stock APIs in JSON & Excel | Alpha Vantage
- Description
- Alpha Vantage offers free stock APIs in JSON and CSV formats for realtime and historical stock market data, options, forex, commodity, cryptocurrency feeds and over 50 technical indicators. Global market news API and sentiment scores powered by AI and machine learning. Supports intraday, daily, weekly, and monthly quotes and technical analysis with chart-ready time series.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- alphavantage.co
- Valid from
- Jun 17, 2026
- Valid to
- Sep 15, 2026
- Days until expiry
- 48
- SAN domains
- alphavantage.co, *.alphavantage.co
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 3
Links
9 internal · 2 external · 11 broken
Images
4 total · 0 missing alt
Scripts / Styles
11 scripts · 6 stylesheets
JS / CSS size
3.6 KB · 491 B
Page size
15.9 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://alphavantage.co
- Final URL
- https://www.alphavantage.co/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 382 ms
- HTML size
- 15.9 KB
- Redirect chain
- https://alphavantage.co → https://www.alphavantage.co/
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Frequently asked questions
- What technology does alphavantage.co use?
- alphavantage.co is built with Bootstrap, jQuery, Google Analytics, Cloudflare Analytics.
- Is alphavantage.co secure (HTTPS)?
- Yes. alphavantage.co uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 15, 2026.
- Who hosts alphavantage.co?
- Hosting provider information for alphavantage.co is not available yet.
- What is alphavantage.co's SEO score?
- alphavantage.co scored 55/100 for SEO in the latest analysis (fair).
- What is alphavantage.co's overall website score?
- alphavantage.co has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card