What technology does fast.ai use?

We did not detect any specific technologies for fast.ai in the latest scan.

Is fast.ai secure (HTTPS)?

Yes. fast.ai uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 26, 2026.

Hosting provider information for fast.ai is not available yet.

What is fast.ai's SEO score?

fast.ai scored 65/100 for SEO in the latest analysis (fair).

What is fast.ai's overall website score?

fast.ai has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.

Has fast.ai's score changed over time?

fast.ai's overall score has declined by 3 points (from 78 to 75) since Jul 26, 2026.

fast.ai

fast.ai—Making neural nets uncool again – fast.ai

Last scanned Aug 3, 2026, 1:00 PM · 7 views

Overall score

Fair

Summary

SEO is fair (65/100) and accessibility is fair (70/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

11 issues found · 4 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
Over half of images are missing alt text
Accessibility
Add alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

+5 more issues — details in the sections below.

SEO

5 issue(s) found

100

Performance

544 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

-3 overall since Jul 26, 2026

Overall: 75
SEO: 65
Security: 65
Performance: 100
Accessibility: 70

Organization

Company details published in this site's own structured data.

GitHub X (Twitter)

Meta tags

Title: fast.ai—Making neural nets uncool again – fast.ai
Description
Canonical
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0, user-scalable=yes
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

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: fast.ai
Valid from: Jul 28, 2026
Valid to: Oct 26, 2026
Days until expiry: 83
SAN domains: fast.ai, *.fast.ai

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 1 · H2 0 · H3 26

Links

28 internal · 10 external · 2 broken

Images

25 total · 25 missing alt

Scripts / Styles

21 scripts · 9 stylesheets

JS / CSS size

24.6 KB · 12.6 KB

Page size

245 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing meta description
Missing canonical link
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://fast.ai
Final URL: https://www.fast.ai/
HTTP status: 200
HTTP version: HTTP/2
Response time: 539 ms
HTML size: 245 KB
Redirect chain: https://fast.ai → http://www.fast.ai/ → https://www.fast.ai/

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Frequently asked questions

What technology does fast.ai use?: We did not detect any specific technologies for fast.ai in the latest scan.
Is fast.ai secure (HTTPS)?: Yes. fast.ai uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 26, 2026.
Who hosts fast.ai?: Hosting provider information for fast.ai is not available yet.
What is fast.ai's SEO score?: fast.ai scored 65/100 for SEO in the latest analysis (fair).
What is fast.ai's overall website score?: fast.ai has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.
Has fast.ai's score changed over time?: fast.ai's overall score has declined by 3 points (from 78 to 75) since Jul 26, 2026.