o2.com
O2 - Essential For Living
Last scanned Jul 26, 2026, 4:17 PM
Overall score
Fair
Summary
Find exclusive offers and discover Switch Up, Flexible Superfast 5G Tariffs, Free Roaming & O2 Priority. This website uses Next.js. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores poor (35/100) and performance fair (65/100). Top issue: No H1 heading found.
Find exclusive offers and discover Switch Up, Flexible Superfast 5G Tariffs, Free Roaming & O2 Priority. Stay connected, wherever you are.
Top issues to fix
8 issues found · 2 high priority
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.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
2.02 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Find exclusive offers and discover Switch Up, Flexible Superfast 5G Tariffs, Free Roaming & O2 Priority. Stay connected, wherever you are.
Meta tags
- Title
- O2 - Essential For Living
- Description
- Find exclusive offers and discover Switch Up, Flexible Superfast 5G Tariffs, Free Roaming & O2 Priority. Stay connected, wherever you are.
- Canonical
- https://www.o2.co.uk/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
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
- DigiCert Inc
- Subject
- www.o2.co.uk
- Valid from
- Mar 19, 2026
- Valid to
- Oct 3, 2026
- Days until expiry
- 66
- SAN domains
- www.o2.co.uk, o2.co.uk
Security headers
- Strict-Transport-SecurityEnabled
- 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 5 · H3 9
Links
98 internal · 18 external · 8 broken
Images
36 total · 0 missing alt
Scripts / Styles
176 scripts · 20 stylesheets
JS / CSS size
1.3 MB · 124 KB
Page size
546 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- 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://o2.com
- Final URL
- https://www.o2.co.uk/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.01 s
- HTML size
- 546 KB
- Redirect chain
- https://o2.com → https://www.o2.co.uk/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does o2.com use?
- o2.com is built with Next.js.
- Is o2.com secure (HTTPS)?
- Yes. o2.com uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Oct 3, 2026.
- Who hosts o2.com?
- Hosting provider information for o2.com is not available yet.
- What is o2.com's SEO score?
- o2.com scored 70/100 for SEO in the latest analysis (fair).
- What is o2.com's overall website score?
- o2.com has an overall SiteGraph score of 64/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card