streamlit.io
Streamlit • A faster way to build and share data apps
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
Streamlit is an open-source Python framework for data scientists and AI/ML engineers to deliver interactive data apps – in only a few lines of code. This website uses Next.js hosted on AWS behind Netlify CDN. SEO is good (75/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance good (75/100). Top issue: Missing canonical link.
Streamlit is an open-source Python framework for data scientists and AI/ML engineers to deliver interactive data apps – in only a few lines of code.
- United States
- Hosted on AWS
Top issues to fix
5 issues found · 1 high priority
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-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.
4 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
72 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Streamlit is an open-source Python framework for data scientists and AI/ML engineers to deliver interactive data apps – in only a few lines of code.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Streamlit • A faster way to build and share data apps
- Description
- Streamlit is an open-source Python framework for data scientists and AI/ML engineers to deliver interactive data apps – in only a few lines of code.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- streamlit.io
- Valid from
- Jun 5, 2026
- Valid to
- Sep 3, 2026
- Days until expiry
- 39
- SAN domains
- streamlit.io, www.streamlit.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 15 · H3 12
Links
15 internal · 132 external · 4 broken
Images
145 total · 1 missing alt
Scripts / Styles
31 scripts · 7 stylesheets
JS / CSS size
2.1 MB · 202 KB
Page size
334 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
Accessibility issues
- No H1 heading found
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://streamlit.io
- Final URL
- https://streamlit.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 66 ms
- HTML size
- 334 KB
- Redirect chain
- https://streamlit.io
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does streamlit.io use?
- streamlit.io is built with Next.js.
- Is streamlit.io secure (HTTPS)?
- Yes. streamlit.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 3, 2026.
- Who hosts streamlit.io?
- streamlit.io is hosted on AWS, behind Netlify CDN.
- What is streamlit.io's SEO score?
- streamlit.io scored 75/100 for SEO in the latest analysis (fair).
- What is streamlit.io's overall website score?
- streamlit.io has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- Is streamlit.io hiring?
- streamlit.io has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card