What technology does o2.co.uk use?

o2.co.uk is built with Next.js.

Is o2.co.uk secure (HTTPS)?

Yes. o2.co.uk uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Oct 3, 2026.

Hosting provider information for o2.co.uk is not available yet.

What is o2.co.uk's SEO score?

o2.co.uk scored 70/100 for SEO in the latest analysis (fair).

What is o2.co.uk's overall website score?

o2.co.uk has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.

Has o2.co.uk's score changed over time?

o2.co.uk's overall score has improved by 6 points (from 74 to 80) since Jul 22, 2026.

o2.co.uk

O2 - Essential For Living

Last scanned Jul 29, 2026, 9:00 PM · 8 views

Overall score

Great

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 good (75/100) and performance excellent (90/100). 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
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEO
Add 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
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

SEO

4 issue(s) found

Performance

510 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

+6 overall since Jul 22, 2026

Overall: 80
SEO: 70
Security: 75
Performance: 90
Accessibility: 90

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.

Facebook YouTube X (Twitter)Instagram

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.

Next.js

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 · 20 broken

Images

36 total · 0 missing alt

Scripts / Styles

176 scripts · 20 stylesheets

JS / CSS size

386 KB · 0 B

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

Scan details

Requested URL: https://o2.co.uk
Final URL: https://www.o2.co.uk/
HTTP status: 200
HTTP version: HTTP/2
Response time: 499 ms
HTML size: 546 KB
Redirect chain: https://o2.co.uk → https://www.o2.co.uk/

See something wrong on this report? Request a correction

Same technology stack

arboportaal.nl

Home | Arboportaal

100

nextjs

AKAMAI-ASN1 - Akamai International B.V., NL

bithomp.com

XRP Explorer: Scan XRP Ledger | Transactions, Accounts, NFTs

100

nextjs

Cloudflare· Cloudflare

analitikkimya.com.tr

Analitik Kimya — Laboratory & Cleanroom Supplies

100

nextjscloudflare-analytics

Cloudflare· Cloudflare

ai-analytics.org

AI Analytics

100

nextjscloudflare-analytics

Cloudflare· Cloudflare

ashbyprd.com

All-in-one Recruiting Software for Ambitious Teams | Ashby

100

nextjsgoogle-analytics

AWS· Netlify

bokepsmp.in

Bokep SMP Indo Viral Gacor HD - BokepSMP

100

nextjscloudflare-analytics

Cloudflare· Cloudflare

Frequently asked questions

What technology does o2.co.uk use?: o2.co.uk is built with Next.js.
Is o2.co.uk secure (HTTPS)?: Yes. o2.co.uk uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Oct 3, 2026.
Who hosts o2.co.uk?: Hosting provider information for o2.co.uk is not available yet.
What is o2.co.uk's SEO score?: o2.co.uk scored 70/100 for SEO in the latest analysis (fair).
What is o2.co.uk's overall website score?: o2.co.uk has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
Has o2.co.uk's score changed over time?: o2.co.uk's overall score has improved by 6 points (from 74 to 80) since Jul 22, 2026.

Top issues to fix

Score history

Organization

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

Related websites

Frequently asked questions