Skip to main content
SGSiteGraph

colorline.no website report

Reiser til Danmark, Sverige og Tyskland | Color Line

Last scanned · 1 view

Overall score

Great

About colorline.no

colorline.no is a website. It describes itself as “Reis med Color Line til Danmark, Sverige og Tyskland”. It is also on Facebook, Instagram and LinkedIn.

Score profile

SEO70Performance90Security75Accessibility90
This siteAll scanned sites median

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.

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

How it compares

colorline.no scores higher overall than 40% of the 163,243 sites we have scanned.

vs. All scanned sites

163,243 sites
Overall40th
SEO50th
Performance25th
Security50th
Accessibility40th

The dot is this site; the tick is the typical (median) score for the group. The number on the right is the percentile: the share of the group this site scores above.

Technology stack

No technologies were detected in the latest scan.

Hosting & DNS

Domain
colorline.no
IP address
ASN
IPv6
Not supported
HTTP
HTTP/1.1
0
A
0
AAAA
0
MX
0
NS
0
TXT
0
CAA
Show DNS record values

TXT record contents are not republished; only their count is shown.

Security

colorline.no uses TLS 1.2 with a certificate valid for 178 more days and sets 1 of 6 recommended security headers.

Security

Security headers1 of 6 set

  • HSTS
    Forces HTTPS
  • CSP
    Blocks injected scripts
  • X-Frame-Options
    Stops clickjacking
  • X-Content-Type
    Stops MIME sniffing
  • Referrer-Policy
    Limits URL leakage
  • Permissions-Policy
    Restricts browser features

TLS certificate

VerifiedTLS 1.2 · DigiCert Inc
Aug 5, 2026178 days leftFeb 19, 2027
Names covered
39
Cookies set
0

Email security

colorline.no scores C for email security, with no SPF record and DMARC policy “reject”.

C
55 / 100
  • SPFNot set

    No SPF record: anyone can claim to send mail from this domain.

  • DMARCGood

    Forged mail is rejected; reports are collected.

  • MTA-STSGood

    Requires encrypted delivery to this domain's mail servers.

  • BIMINot set

    Not published (optional).

Performance & carbon

colorline.no scores 90/100 for performance, with an estimated load time of 0.4 s. A visit emits an estimated 0.15 g of CO2 (grade A).

Performance

Page weight

  • HTML 376 KB
  • JavaScript 9.2 KB
  • CSS 16.9 KB
Est. load
438 ms
Response
431 ms
Scripts / CSS
8 / 1

Carbon per visitA

A+ABCDEF

0.15 g CO2 per uncached view

Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.

SEO & accessibility

colorline.no scores 70/100 for SEO and 90/100 for accessibility, with 4 SEO issues to fix.

SEO
Accessibility

Heading structure

H10H221H312H40H50H60

No H1 found.

Image alt text

100%

13 images · 0 without alt text · 0 lazy-loaded

Links

  • Internal 41
  • External 38
  • Broken 13

SEO issues4

  • No H1 heading found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues1

  • No H1 heading found

Technical details

Page metadata, social tags, crawl files and scan information.

Meta tags

Title
Reiser til Danmark, Sverige og Tyskland | Color Line
Description
Reis med Color Line til Danmark, Sverige og Tyskland. Opplev 2-døgns Cruise, dagstur, hotellpakker og overfart med ferge. Bestill din neste reise i dag.
Canonical
https://www.colorline.no/
Language
no-NO
Robots meta
index, follow

Open Graph & Twitter

og:title
Hjem
og:type
twitter:card
twitter:title
Hjem

Crawl files

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

Structured data

No JSON-LD types declared.

Microdata items
0
RDFa items
0

Scan

Final URL
https://colorline.no
HTTP status
200
Redirects
https://colorline.no
Scanned
Aug 24, 2026, 1:22 PM

Own colorline.no? Show your score

Add this badge to your site. It always shows the latest scan.

colorline.no SiteGraph score badge
<a href="https://sitegraph.tech/site/colorline-no"><img src="https://sitegraph.tech/badge/colorline-no.svg" alt="colorline.no on SiteGraph" width="190" height="20" /></a>

See something wrong on this report? Request a correction or ask for something to be removed.

Frequently asked questions about colorline.no

What is colorline.no?
colorline.no is a website. It describes itself as “Reis med Color Line til Danmark, Sverige og Tyskland”. It is also on Facebook, Instagram and LinkedIn.
Is colorline.no secure?
colorline.no uses TLS 1.2 with a certificate valid for 178 more days and sets 1 of 6 recommended security headers.
Is colorline.no protected against email spoofing?
colorline.no scores C for email security, with no SPF record and DMARC policy “reject”.
How does colorline.no compare with similar sites?
colorline.no scores higher overall than 40% of the 163,243 sites we have scanned.
What is colorline.no's overall score?
colorline.no has an overall SiteGraph score of 80/100, combining SEO (70), performance (90), security (75) and accessibility (90).