thunderforest.com
Thoughtfully tailored maps for web & app developers - Thunderforest
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Great
Summary
Reliable, carefully-curated maps for web and app developers. This website uses jQuery. SEO is good (85/100) and accessibility is good (85/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Reliable, carefully-curated maps for web and app developers. Quick to set up with your tech stack. Fair and flexible pricing.
Top issues to fix
9 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+3 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
930 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Reliable, carefully-curated maps for web and app developers. Quick to set up with your tech stack. Fair and flexible pricing.
Meta tags
- Title
- Thoughtfully tailored maps for web & app developers - Thunderforest
- Description
- Reliable, carefully-curated maps for web and app developers. Quick to set up with your tech stack. Fair and flexible pricing.
- Canonical
- https://www.thunderforest.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, shrink-to-fit=no
- 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.thunderforest.com
- Valid from
- Jun 9, 2026
- Valid to
- Sep 7, 2026
- Days until expiry
- 43
- SAN domains
- www.thunderforest.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 10 · H3 1
Links
31 internal · 2 external · 8 broken
Images
10 total · 4 missing alt
Scripts / Styles
3 scripts · 2 stylesheets
JS / CSS size
0 B · 0 B
Page size
13.8 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://thunderforest.com
- Final URL
- https://www.thunderforest.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 930 ms
- HTML size
- 13.8 KB
- Redirect chain
- https://thunderforest.com → https://www.thunderforest.com/
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Frequently asked questions
- What technology does thunderforest.com use?
- thunderforest.com is built with jQuery.
- Is thunderforest.com secure (HTTPS)?
- Yes. thunderforest.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 7, 2026.
- Who hosts thunderforest.com?
- Hosting provider information for thunderforest.com is not available yet.
- What is thunderforest.com's SEO score?
- thunderforest.com scored 85/100 for SEO in the latest analysis (great).
- What is thunderforest.com's overall website score?
- thunderforest.com has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card