bl.uk
The British Library - the national Library of the UK
Last scanned Jul 31, 2026, 10:00 PM · 12 views
Overall score
Excellent
Summary
Visit the national library of the UK. This website uses Next.js. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
Visit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. Join us.
Top issues to fix
4 issues found
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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
233 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+2 overall since Jul 24, 2026
- Overall
- 94
- SEO
- 80
- Security
- 100
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Visit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. Join us.
Meta tags
- Title
- The British Library - the national Library of the UK
- Description
- Visit the national library of the UK. Explore our buildings, study, meet friends, attend an event and get free access to over 170 million items. Join us.
- Canonical
- https://www.bl.uk
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index
- 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.bl.uk
- Valid from
- Jun 12, 2026
- Valid to
- Dec 12, 2026
- Days until expiry
- 134
- SAN domains
- www.bl.uk
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 3 · H3 5
Links
31 internal · 14 external · 20 broken
Images
5 total · 0 missing alt
Scripts / Styles
58 scripts · 3 stylesheets
JS / CSS size
105 KB · 202 B
Page size
185 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://bl.uk
- Final URL
- https://www.bl.uk/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 230 ms
- HTML size
- 185 KB
- Redirect chain
- https://bl.uk → https://www.bl.uk/
See something wrong on this report? Request a correction
Related websites
Same technology stack
arboportaal.nl
Home | Arboportaal
bithomp.com
XRP Explorer: Scan XRP Ledger | Transactions, Accounts, NFTs
analitikkimya.com.tr
Analitik Kimya — Laboratory & Cleanroom Supplies
ai-analytics.org
AI Analytics
ashbyprd.com
All-in-one Recruiting Software for Ambitious Teams | Ashby
bokepsmp.in
Bokep SMP Indo Viral Gacor HD - BokepSMP
Frequently asked questions
- What technology does bl.uk use?
- bl.uk is built with Next.js.
- Is bl.uk secure (HTTPS)?
- Yes. bl.uk uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Dec 12, 2026.
- Who hosts bl.uk?
- Hosting provider information for bl.uk is not available yet.
- What is bl.uk's SEO score?
- bl.uk scored 80/100 for SEO in the latest analysis (great).
- What is bl.uk's overall website score?
- bl.uk has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
- Has bl.uk's score changed over time?
- bl.uk's overall score has improved by 2 points (from 92 to 94) since Jul 24, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card