blueletterbible.org
Bible Search and Study Tools - Blue Letter Bible
Last scanned Aug 1, 2026, 8:00 PM · 6 views
Overall score
Great
Summary
Read and study God's Word with Bible study software that has in-depth resources such as commentaries, Greek and Hebrew word tools, concordances, and more. This website uses Nginx. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (100/100). Top issue: No H1 heading found.
Read and study God's Word with Bible study software that has in-depth resources such as commentaries, Greek and Hebrew word tools, concordances, and more.
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.
4 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
492 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
0 overall since Jul 25, 2026
- Overall
- 83
- SEO
- 70
- Security
- 75
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Read and study God's Word with Bible study software that has in-depth resources such as commentaries, Greek and Hebrew word tools, concordances, and more.
Meta tags
- Title
- Bible Search and Study Tools - Blue Letter Bible
- Description
- Read and study God's Word with Bible study software that has in-depth resources such as commentaries, Greek and Hebrew word tools, concordances, and more.
- Canonical
- https://www.blueletterbible.org/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- 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
- Let's Encrypt
- Subject
- www.blueletterbible.org
- Valid from
- Jul 30, 2026
- Valid to
- Oct 28, 2026
- Days until expiry
- 87
- SAN domains
- www.blueletterbible.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 4 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
33 scripts · 11 stylesheets
JS / CSS size
10.7 KB · 0 B
Page size
18.4 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://blueletterbible.org
- Final URL
- https://www.blueletterbible.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 492 ms
- HTML size
- 18.4 KB
- Redirect chain
- https://blueletterbible.org → https://www.blueletterbible.org/
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Frequently asked questions
- What technology does blueletterbible.org use?
- blueletterbible.org is built with Google Analytics, Nginx.
- Is blueletterbible.org secure (HTTPS)?
- Yes. blueletterbible.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 28, 2026.
- Who hosts blueletterbible.org?
- Hosting provider information for blueletterbible.org is not available yet.
- What is blueletterbible.org's SEO score?
- blueletterbible.org scored 70/100 for SEO in the latest analysis (fair).
- What is blueletterbible.org's overall website score?
- blueletterbible.org has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
- Has blueletterbible.org's score changed over time?
- blueletterbible.org's overall score has stayed steady at 83/100 since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card