What technology does bayer04.de use?

bayer04.de is built with Angular.

Is bayer04.de secure (HTTPS)?

Yes. bayer04.de uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Dec 29, 2026.

Who hosts bayer04.de?

Hosting provider information for bayer04.de is not available yet.

What is bayer04.de's SEO score?

bayer04.de scored 80/100 for SEO in the latest analysis (great).

What is bayer04.de's overall website score?

bayer04.de has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.

bayer04.de

Bayer 04 Leverkusen Fußball GmbH | bayer04.de

Last scanned Jul 26, 2026, 1:49 PM

Overall score

Great

Summary

Die offizielle Webseite von Bayer 04 Leverkusen. This website uses Angular. SEO is good (80/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance good (80/100). Top issue: No H1 heading found.

Die offizielle Webseite von Bayer 04 Leverkusen. News, Infos zu Spielern, Spielen in der Bundesliga, UEFA Champions League und alles über den Verein!

Top issues to fix

4 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.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
1 broken link on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

2 issue(s) found

Performance

833 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

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

Organization

Company details published in this site's own structured data.

Die offizielle Webseite von Bayer 04 Leverkusen. News, Infos zu Spielern, Spielen in der Bundesliga, UEFA Champions League und alles über den Verein!

Contact

Email, phone, and address published on this site's own pages.

Phone: //+4921450001904

Meta tags

Title: Bayer 04 Leverkusen Fußball GmbH | bayer04.de
Description: Die offizielle Webseite von Bayer 04 Leverkusen. News, Infos zu Spielern, Spielen in der Bundesliga, UEFA Champions League und alles über den Verein!
Canonical: https://www.bayer04.de/de-de
Language: de
Charset: utf-8
Viewport: width=device-width, initial-scale=1, maximum-scale=2, viewport-fit=cover
Robots meta: INDEX, FOLLOW
Manifest: https://www.bayer04.de/manifest.json

Technologies

Detected frameworks, languages, and tools.

Angular

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 159.60.135.202
ASN: —

DNS records

Type	Value
A	159.60.135.202
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Sectigo Limited
Subject: *.bayer04.de
Valid from: Nov 28, 2025
Valid to: Dec 29, 2026
Days until expiry: 154
SAN domains: *.bayer04.de, bayer04.de

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyMissing
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyEnabled
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 7 · H3 11

Links

73 internal · 26 external · 1 broken

Images

312 total · 0 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

261 KB · 328 KB

Page size

410 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 0
sitemap.xml: Found
URLs in sitemap: 38303

SEO issues

No H1 heading found
No structured data (JSON-LD) found

Scan details

Requested URL: https://bayer04.de
Final URL: https://www.bayer04.de/de-de
HTTP status: 200
HTTP version: HTTP/2
Response time: 825 ms
HTML size: 410 KB
Redirect chain: https://bayer04.de → https://www.bayer04.de/ → https://www.bayer04.de/de-de

See something wrong on this report? Request a correction

Same technology stack

1inch.com

1inch | Swap Crypto Tokens at the Best Rates in DeFi

angular

Cloudflare· Cloudflare

viceonline.app

Flex City Web Store — Official Shop & Special Offers

angulargoogle-analyticscloudflare-analytics

Cloudflare· Cloudflare

shaw.ca

Mobile, Internet, TV, Home Monitoring, Home phone - Rogers

angular

fido.ca

Mobile Phones, Plans and More - Fido

angular

shawcable.net

Mobile, Internet, TV, Home Monitoring, Home phone - Rogers

angular

weremember.com

Create an Online Memorial and Share Memories | We Remember

angulargoogle-analytics

· Cloudflare

Frequently asked questions

What technology does bayer04.de use?: bayer04.de is built with Angular.
Is bayer04.de secure (HTTPS)?: Yes. bayer04.de uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Dec 29, 2026.
Who hosts bayer04.de?: Hosting provider information for bayer04.de is not available yet.
What is bayer04.de's SEO score?: bayer04.de scored 80/100 for SEO in the latest analysis (great).
What is bayer04.de's overall website score?: bayer04.de has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.

Top issues to fix

Organization

Contact

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

Related websites

Frequently asked questions