sport1.de

Readiness by lane

Green: sport1.de. Thin bar: Sports Broadcast & Fantasy Games peer median.

Priority fixes for sport1.de

Ordered by impact and by how common each practice is among peers.

1. Priority 1 · Accelerate

   Modern image formats in use

   Observed: The homepage had 75 images and none used WebP or AVIF.

   Why it matters: WebP and AVIF are typically much smaller than JPEG or PNG at similar quality, and images are often the heaviest part of a page.

   What to do: Serve WebP or AVIF with a JPEG or PNG fallback, either through an image CDN or by generating both formats at build time.

   On WordPress: WordPress has supported WebP uploads since 5.8 and AVIF since 6.5; image plugins or the host can convert existing images.

   35% of Sports Broadcast & Fantasy Games peers do this. Limit: Based on the homepage HTML delivered to an automated client; scripts that run later were not executed.

   Guide: AVIF, WebP, JPEG, and PNG: Choose the Right Image Format

2. Priority 2 · Harden

   DMARC policy enforces quarantine or reject

   Observed: The DMARC policy for sport1.de was p=none, which asks receivers to take no action on failing mail.

   What to do: Publish DMARC with p=none and a reporting address first, fix any legitimate senders that fail SPF or DKIM alignment, then move to quarantine and finally reject.

   32% of Sports Broadcast & Fantasy Games peers do this.

   Guide: A Practical Website Health Check for Owners

3. Priority 3 · Accelerate

   No render-blocking scripts in <head>

   Observed: The homepage <head> loaded 10 external scripts without async or defer.

   What to do: Add defer to scripts that need the DOM, async to independent ones such as analytics, or move them to the end of the body.

   On WordPress: Since WordPress 6.3, scripts can be registered with a defer or async loading strategy.

   43% of Sports Broadcast & Fantasy Games peers do this.

   Guide: Control Third-Party Scripts Before They Control Your Page

4. Priority 4 · Harden

   Certificate lifetime of 100 days or less

   Observed: The certificate from Amazon had a 197-day validity period, longer than the 100-day maximum that applies from March 2027.

   What to do: Move to automated issuance and renewal now, while you still have time to test it.

   70% of Sports Broadcast & Fantasy Games peers do this.

   Guide: HTTPS and TLS Guide for Website Owners

What sport1.de already does well

Practices fewer than half of Sports Broadcast & Fantasy Games peers use.

• Nameservers spread across providersNameservers spread across more than one operator.16% of peers
• Referrer-Policy setReferrer-Policy present.16% of peers
• HSTS kept for at least a yearHSTS with a 365-day max-age.27% of peers

What we saw

Homepage checked

https://www.sport1.de/

Homepage response

HTTP 200

TLS

TLSv1.3, HTTP/2

Certificate

Amazon, 197-day validity, expiring 2027-03-24

CDN or edge

Amazon CloudFront, WordPress VIP

Platform or framework

WordPress

DNS operators

4 self-run or other nameserver domains

HSTS

max-age 365 days

DMARC policy

p=none

Homepage HTML

564 KB, br

Images on homepage

75 (svg 8, png 7)

Limits: homepage only, one location, one moment. Header checks reflect the homepage response; other pages may differ.

Stack and providers

Seen in the homepage response, certificate and DNS. Provider pages compare how their customers configure the same checks.

All 31 checks

Select a gap for the method and fix. How each check works

Compare with other Sports Broadcast & Fantasy Games sites

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• ukrfootball.ua76

Sports Broadcast & Fantasy Games readiness benchmark