What technology does a.io use?

a.io is built with PHP, Bootstrap, jQuery, Google Analytics, Nginx.

Is a.io secure (HTTPS)?

Yes. a.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 13, 2026.

Hosting provider information for a.io is not available yet.

What is a.io's SEO score?

a.io scored 65/100 for SEO in the latest analysis (fair).

What is a.io's overall website score?

a.io has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.

a.io

Welcome to A.io® | www.a.io

Last scanned Jul 26, 2026, 5:47 AM

Overall score

Fair

Summary

A.io® The Domain Marketplace! Virtual Presence. This website uses Nginx. SEO is fair (65/100) and accessibility is fair (60/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

A.io® The Domain Marketplace! Virtual Presence. Global Reach!™ We actively invest in premium gTLD and ccTLD assets. Be sure to visit A.io to view our inventory and find your perfect domain

Top issues to fix

12 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
1 cookie without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+6 more issues — details in the sections below.

SEO

6 issue(s) found

100

Performance

665 ms

Security

HTTPS & header checks

Accessibility

2 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

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

A.io® The Domain Marketplace! Virtual Presence. Global Reach!™ We actively invest in premium gTLD and ccTLD assets. Be sure to visit A.io to view our inventory and find your perfect domain

Contact

Email, phone, and address published on this site's own pages.

Email: domains@a.io
Phone: //+1.704.800.0101

Meta tags

Title: Welcome to A.io® | www.a.io
Description: A.io® The Domain Marketplace! Virtual Presence. Global Reach!™ We actively invest in premium gTLD and ccTLD assets. Be sure to visit A.io to view our inventory and find your perfect domain
Canonical
Language
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

PHP Bootstrap jQuery Google Analytics Nginx

Hosting & CDN

Hosting provider: —
CDN provider: —
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: a.io
Valid from: Jun 15, 2026
Valid to: Sep 13, 2026
Days until expiry: 46
SAN domains: a.io, www.a.io

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyEnabled
X-Frame-OptionsEnabled
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 1 · H3 91

Links

105 internal · 0 external · 20 broken

Images

57 total · 57 missing alt

Scripts / Styles

106 scripts · 8 stylesheets

JS / CSS size

37.2 KB · 1.1 KB

Page size

156 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
Missing canonical link
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://a.io
Final URL: https://www.a.io/
HTTP status: 200
HTTP version: HTTP/2
Response time: 662 ms
HTML size: 156 KB
Redirect chain: https://a.io → https://www.a.io/

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Frequently asked questions

What technology does a.io use?: a.io is built with PHP, Bootstrap, jQuery, Google Analytics, Nginx.
Is a.io secure (HTTPS)?: Yes. a.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 13, 2026.
Who hosts a.io?: Hosting provider information for a.io is not available yet.
What is a.io's SEO score?: a.io scored 65/100 for SEO in the latest analysis (fair).
What is a.io's overall website score?: a.io has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.