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karpathy.ai

https://karpathy.ai· First analyzed 10 May 2026· Updated 10 May 2026
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karpathy.ai
Desktop screenshot of karpathy.ai
Mobile screenshot of karpathy.ai
Mobile

Sponsored

Hosting Provider

Fastly, Inc.

IP Address

151.101.65.195

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Montreal, Canada

ASN

AS54113

Organization

Fastly, Inc.

CDN

Fastly

Nameservers

dns2.registrar-servers.com.dns1.registrar-servers.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
340 ms10%
Speed Index
442 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
3.9 MB
45 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Drupal

SEO Analysis

D55/100
15
8
2
Meta Tags4/15
Content12/12
Headings8/8
Technical10/21
E-E-A-T3/7
Images1/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile4/4
Indexability3/3
K
karpathy.aikarpathy.ai

Andrej Karpathy

No description available for this page.

Title Length15 chars

Recommended: 50-60 chars (~93px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

  • • Missing meta description — important for click-through rates in SERPs
  • • Most images missing alt text (46/46) — critical for accessibility and SEO

10 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

Local SEO

Local Search Readiness

7/100
Poor
3 13 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

D43/100
Bot Access
20/25
Machine Read.
18/25
Schema Data
0/25
Citation
5/25

AI Bot Access

14/14 accessible
AI Search
OAI-SearchBot
PerplexityBot
Claude-SearchBot
Gemini-Deep-Research
DuckAssistBot
Training
GPTBot
ClaudeBot
Google-Extended
Meta-ExternalAgent
Bytespiderinfo
Amazonbot
Applebot-Extended
CCBotinfo
Fetch
ChatGPT-User

Machine Readability

llms.txtinvalid
llms-full.txt
Semantic HTML
Heading Hierarchy
Text ratio:32%
Words:1,828
Token eff.:Optimal
Sections/1K:0.5

Structured Data

No Schema

Citation Readiness

Opening Summary
Descriptive Headingsavg 11w
Canonical URL
Open Graph0/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (10)
AI readiness recommendation preview...
Upgrade to view recommendations

Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.
D
59/100
9
Passed
4
Critical
0
Warnings
Images & Alt Text
5/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
14/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
15/15
Verifies form fields have labels, error messages are clear, and inputs are properly associated.
Color & Contrast
15/15
Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
Keyboard & Focus
9/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
1/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
2 recommendations
  • •Accessibility recommendation preview...
Upgrade to view recommendations

Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.
34/100
F
398 mg
CO₂e / view
3.9 MB
Page Weight
15%
Cleaner Than
New Visitor
455 mg
vs
Returning (cached)
228 mg
Annual (10K/mo)
47.8 kg
Emission Segments
Data Center
20 mg
Network
117 mg
Device
262 mg
Resource Breakdown
Images
3.8 MB
CSS
1.2 KB
HTML
8.1 KB
Green Hosting Verified
Fastly, Inc.
Provider Match
4 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
B

Security Score

76%Good
Static / Informational

HTTPS

No WAF

32d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

14.03.2026

Valid Until

12.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (20)

hotel-downtown.commusicurve.comnorthwaypaving.comfafella.edsys.com.brthelocalapp.com.ausso.develop.themeateater.comtrade.flex.ton.surfkaminetic.com+12 more

SHA-256 Fingerprint

32:E8:B7:72:00:F1:9E:28:47:74:46:66:75:0F:77:E9:F2:0D:E5:46...

Recommendations

Security recommendation preview

Upgrade to view recommendations
Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges
bytes
alt-svc
h3=":443";ma=86400,h3-29=":443";ma=86400,h3-27=":443";ma=864...
cache-control
🟡 1 Hours(max-age=3600)
content-encoding
⚡ Brotli(br)
content-length
8006
content-type
text/html; charset=utf-8
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

0

SPF
DKIM
DMARC

Domain Information

karpathy.ai

Domain Age
6y 3m

Created

09.02.2020

Expires

09.02.2028

Last Updated

16.01.2026

Registrar

NameCheap, Inc.

DNSSEC
Not Enabled

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.
D
57/100
Mobile Friendly
Viewport Meta
The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.
Responsive Design
Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.
Touch Icons
Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.
Readable Font Size
Base font size should be at least 16px on mobile to ensure text is readable without zooming.
Relative Units
Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.
No H-Scroll Risk
No elements wider than the viewport that would cause horizontal scrolling on mobile devices.
Tap Targets OK
Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.
No Fixed Widths
No elements with fixed pixel widths that could overflow on smaller screens and break the layout.
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no
3 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

sans-serif

WCAG Partial
73/100
Readability
/30
24/30

16px · LH 1.40

Hierarchy
/20
16/20

2.12x ratio · ✓ H1→H6

WCAG
/25
19/25

2.85:1 min contrast

Performance
/25
14/25

0 fonts

Heading Font

sans-serif

Sans34px

Body Font

sans-serif

Sans16px

Contrast Ratio

2.85:1

1 issue

Reading Comfort

Single Font Family

left aligned
34px
h1
18px
h2

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.40 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 44/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 2.9:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

✅ Strong hierarchy: Headlines are 2.1x larger than body text.

Flesch 44

Color Palette

9 unique colors
Light
#ffffff
Background· 80.69999999999999%
#562630
Primary· 3.8%
#a2a6b3
Secondary· 3.7%
#f0ecec
Secondary· 2.3%
#a78491
Secondary· 1.8%
#c0b1b5
Secondary· 1.7%
#74708c
Secondary· 1.1%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

Sponsored

Scripts & Styles

1 Resources

0
Scripts
1
Styles
0
Async
0
Defer

Top Script Sources

Website Identity

karpathy.ai

6 years old
Location detected: 🇨🇦 Canadavia ip
NameCheap, Inc.en

Sponsored

Last analyzed: 10 May 2026 at 18:00

Historical Analysis & Change Tracking