finnhub.io
Finnhub Stock APIs - Real-time stock prices, Company fundamentals, Estimates, and Alternative data.
Last scanned Aug 3, 2026, 6:00 AM · 9 views
Overall score
Fair
Summary
Finnhub - Free stock API for realtime market data, global company fundamentals, economic data, and alternative data. This website uses Google Analytics behind Cloudflare CDN. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Finnhub - Free stock API for realtime market data, global company fundamentals, economic data, and alternative data.
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.
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+4 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
207 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-2 overall since Jul 26, 2026
- Overall
- 77
- SEO
- 60
- Security
- 65
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Finnhub - Free stock API for realtime market data, global company fundamentals, economic data, and alternative data.
Meta tags
- Title
- Finnhub Stock APIs - Real-time stock prices, Company fundamentals, Estimates, and Alternative data.
- Description
- Finnhub - Free stock API for realtime market data, global company fundamentals, economic data, and alternative data.
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=5
- 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 1.2
- Issuer
- Google Trust Services
- Subject
- finnhub.io
- Valid from
- Jul 17, 2026
- Valid to
- Oct 15, 2026
- Days until expiry
- 73
- SAN domains
- finnhub.io, *.finnhub.io
Security headers
- Strict-Transport-SecurityMissing
- 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 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
15 scripts · 2 stylesheets
JS / CSS size
2.9 KB · 0 B
Page size
6.4 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://finnhub.io
- Final URL
- https://finnhub.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 207 ms
- HTML size
- 6.4 KB
- Redirect chain
- https://finnhub.io
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does finnhub.io use?
- finnhub.io is built with React, Bootstrap, jQuery, Google Analytics, Cloudflare Analytics.
- Is finnhub.io secure (HTTPS)?
- Yes. finnhub.io uses TLS 1.2 with a certificate issued by Google Trust Services, valid until Oct 15, 2026.
- Who hosts finnhub.io?
- Hosting provider information for finnhub.io is not available yet.
- What is finnhub.io's SEO score?
- finnhub.io scored 60/100 for SEO in the latest analysis (fair).
- What is finnhub.io's overall website score?
- finnhub.io has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
- Has finnhub.io's score changed over time?
- finnhub.io's overall score has declined by 2 points (from 79 to 77) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card