zeptolab.com
Home - ZeptoLab
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Fair
Summary
We are dedicated to the science of fun. This website uses Next.js hosted on AS-VULTR - The Constant Company, LLC, US. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance good (85/100). Top issue: Missing canonical link.
We are dedicated to the science of fun. We mix fun into every experience
- United States
- Hosted on AS-VULTR - The Constant Company, LLC, US
Top issues to fix
11 issues found · 3 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.
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.
TLS certificate expires in 15 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.
+5 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
251 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
We are dedicated to the science of fun. We mix fun into every experience
Contact
Email, phone, and address published on this site's own pages.
Source: https://www.zeptolab.com/contact
Meta tags
- Title
- Home - ZeptoLab
- Description
- We are dedicated to the science of fun. We mix fun into every experience
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AS-VULTR - The Constant Company, LLC, US
- CDN provider
- —
- IP address
- 65.20.74.247
- ASN
- AS20473 (AS-VULTR - The Constant Company, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- ZeroSSL GmbH
- Subject
- *.zeptolab.com
- Valid from
- May 12, 2026
- Valid to
- Aug 10, 2026
- Days until expiry
- 15
- SAN domains
- *.zeptolab.com, zeptolab.com
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 0 · H2 1 · H3 0
Links
16 internal · 6 external · 1 broken
Images
26 total · 0 missing alt
Scripts / Styles
38 scripts · 5 stylesheets
JS / CSS size
1.3 MB · 190 KB
Page size
108 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://zeptolab.com
- Final URL
- https://www.zeptolab.com/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 249 ms
- HTML size
- 108 KB
- Redirect chain
- https://zeptolab.com → https://www.zeptolab.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does zeptolab.com use?
- zeptolab.com is built with Next.js, Google Analytics, Nginx.
- Is zeptolab.com secure (HTTPS)?
- Yes. zeptolab.com uses TLS 1.3 with a certificate issued by ZeroSSL GmbH, valid until Aug 10, 2026.
- Who hosts zeptolab.com?
- zeptolab.com is hosted on AS-VULTR - The Constant Company, LLC, US.
- What is zeptolab.com's SEO score?
- zeptolab.com scored 65/100 for SEO in the latest analysis (fair).
- What is zeptolab.com's overall website score?
- zeptolab.com has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card