acko.net
Hackery, Math & Design — Acko.net
Last scanned Jul 26, 2026, 11:49 AM
Overall score
Fair
Summary
A blog about random hacks, graphics and design, math and other ephemera. This website uses Nginx hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG. SEO is good (75/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Multiple H1 headings found.
A blog about random hacks, graphics and design, math and other ephemera.
- United States
- Hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG
Top issues to fix
10 issues found · 2 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.
TLS certificate expires in 17 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
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.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
+4 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
241 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
A blog about random hacks, graphics and design, math and other ephemera.
Meta tags
- Title
- Hackery, Math & Design — Acko.net
- Description
- A blog about random hacks, graphics and design, math and other ephemera.
- Canonical
- https://acko.net/
- Language
- Charset
- utf-8
- Viewport
- initial-scale=1, minimum-scale=1, maximum-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AKAMAI-LINODE-AP - Akamai Connected Cloud, SG
- CDN provider
- —
- IP address
- 23.239.21.64
- ASN
- AS63949 (AKAMAI-LINODE-AP - Akamai Connected Cloud, SG)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- *.acko.net
- Valid from
- May 17, 2026
- Valid to
- Aug 15, 2026
- Days until expiry
- 17
- SAN domains
- *.acko.net, acko.net
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 72 · H2 1 · H3 0
Links
82 internal · 5 external · 0 broken
Images
82 total · 0 missing alt
Scripts / Styles
3 scripts · 1 stylesheets
JS / CSS size
571 KB · 38.2 KB
Page size
45.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- Missing <html lang> attribute
Scan details
- Requested URL
- https://acko.net
- Final URL
- https://acko.net
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 241 ms
- HTML size
- 45.1 KB
- Redirect chain
- https://acko.net
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does acko.net use?
- acko.net is built with Nginx.
- Is acko.net secure (HTTPS)?
- Yes. acko.net uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Aug 15, 2026.
- Who hosts acko.net?
- acko.net is hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG.
- What is acko.net's SEO score?
- acko.net scored 75/100 for SEO in the latest analysis (fair).
- What is acko.net's overall website score?
- acko.net has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card