a16z.com
Andreessen Horowitz | Software Is Eating the World
Last scanned Aug 1, 2026, 1:00 PM · 13 views
Overall score
Excellent
Summary
Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California, investing in bold founders, innovators, and entrepreneurs building the future through technology. This website uses WordPress behind Netlify CDN. SEO is good (75/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California, investing in bold founders, innovators, and entrepreneurs building the future through technology.
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
363 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+3 overall since Jul 25, 2026
- Overall
- 91
- SEO
- 75
- Security
- 100
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California, investing in bold founders, innovators, and entrepreneurs building the future through technology.
Meta tags
- Title
- Andreessen Horowitz | Software Is Eating the World
- Description
- Andreessen Horowitz (a16z) is a venture capital firm in Silicon Valley, California, investing in bold founders, innovators, and entrepreneurs building the future through technology.
- Canonical
- https://a16z.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Netlify
- 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
- Let's Encrypt
- Subject
- a16z.com
- Valid from
- Jun 7, 2026
- Valid to
- Sep 5, 2026
- Days until expiry
- 34
- SAN domains
- a16z.com, www.a16z.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 1
Links
32 internal · 10 external · 20 broken
Images
0 total · 0 missing alt
Scripts / Styles
9 scripts · 3 stylesheets
JS / CSS size
8.0 KB · 13.7 KB
Page size
148 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
- No H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://a16z.com
- Final URL
- https://a16z.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 360 ms
- HTML size
- 148 KB
- Redirect chain
- https://a16z.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does a16z.com use?
- a16z.com is built with WordPress, Google Analytics, Plausible Analytics.
- Is a16z.com secure (HTTPS)?
- Yes. a16z.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 5, 2026.
- Who hosts a16z.com?
- Hosting provider information for a16z.com is not available yet.
- What is a16z.com's SEO score?
- a16z.com scored 75/100 for SEO in the latest analysis (fair).
- What is a16z.com's overall website score?
- a16z.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- Has a16z.com's score changed over time?
- a16z.com's overall score has improved by 3 points (from 88 to 91) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card