stromma.com
Stromma Sightseeing & Experiences in Europe | stromma.com
Last scanned Aug 4, 2026, 9:00 PM · 11 views
Overall score
Excellent
Summary
We are experts in sightseeing, excursions and experiences in Europe. This website uses Google Analytics hosted on AKAMAI-ASN1 - Akamai International B.V., NL. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: sitemap.xml not found.
We are experts in sightseeing, excursions and experiences in Europe. Join our tours in Netherlands, Norway, Denmark, Finland and Sweden.
- Svensksundsvägen 19, Stockholm, 111 49, SE
- Hosted on AKAMAI-ASN1 - Akamai International B.V., NL
Top issues to fix
5 issues found · 1 high priority
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.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
1 issue(s) found
Performance
641 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 27, 2026
- Overall
- 92
- SEO
- 95
- Security
- 75
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- booking@stromma.sebookings@gotacanal.segoteborg@stromma.seinfo@rundan.seinfo@stromma.dkinfo@stromma.nlinfo@stromma.noinfo@stromma.sesales@stromma.fi
- Address
- Svensksundsvägen 19, Stockholm, 111 49, SE
Source: https://www.stromma.com/stromma-group/about-us/contact/
Meta tags
- Title
- Stromma Sightseeing & Experiences in Europe | stromma.com
- Description
- We are experts in sightseeing, excursions and experiences in Europe. Join our tours in Netherlands, Norway, Denmark, Finland and Sweden.
- Canonical
- https://www.stromma.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AKAMAI-ASN1 - Akamai International B.V., NL
- CDN provider
- —
- IP address
- 23.54.81.161
- ASN
- AS20940 (AKAMAI-ASN1 - Akamai International B.V., NL)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- www.stromma.com
- Valid from
- Aug 3, 2026
- Valid to
- Nov 1, 2026
- Days until expiry
- 88
- SAN domains
- www.stromma.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 1 · H3 14
Links
58 internal · 30 external · 0 broken
Images
44 total · 3 missing alt
Scripts / Styles
23 scripts · 2 stylesheets
JS / CSS size
404 KB · 2.4 KB
Page size
63.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://stromma.com
- Final URL
- https://www.stromma.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 640 ms
- HTML size
- 63.1 KB
- Redirect chain
- https://stromma.com → https://www.stromma.com/
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Frequently asked questions
- What technology does stromma.com use?
- stromma.com is built with Google Analytics.
- Is stromma.com secure (HTTPS)?
- Yes. stromma.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 1, 2026.
- Who hosts stromma.com?
- stromma.com is hosted on AKAMAI-ASN1 - Akamai International B.V., NL.
- What is stromma.com's SEO score?
- stromma.com scored 95/100 for SEO in the latest analysis (excellent).
- What is stromma.com's overall website score?
- stromma.com has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- Has stromma.com's score changed over time?
- stromma.com's overall score has stayed steady at 92/100 since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card