teleman.pl

Readiness by lane

Green: teleman.pl. Thin bar: Entertainment & Video Streaming peer median.

Priority fixes for teleman.pl

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

1. Priority 1 · Enable

   Mobile viewport configured

   Observed: The homepage had no viewport meta tag, so phones may render it zoomed out.

   Why it matters: Without it, phones render the page at desktop width and shrink it, which makes text tiny and hard to use.

   What to do: Add <meta name="viewport" content="width=device-width, initial-scale=1"> and check the layout on small screens.

   96% of Entertainment & Video Streaming peers do this. Limit: Based on the homepage HTML delivered to an automated client; scripts that run later were not executed.

   Guide: Responsive Web Design Checklist for Real Devices

2. Priority 2 · Enable

   XML sitemap discoverable

   Observed: No sitemap was listed in robots.txt or found at /sitemap.xml.

   What to do: Generate an XML sitemap of canonical URLs, reference it in robots.txt and submit it in Google Search Console.

   71% of Entertainment & Video Streaming peers do this.

   Guide: XML Sitemap Guide: Include Only URLs You Stand Behind

3. Priority 3 · Harden

   HSTS kept for at least a year

   Observed: The homepage response did not include a Strict-Transport-Security header.

   What to do: Send Strict-Transport-Security on HTTPS responses. Start with a short max-age (for example 300 seconds), confirm every subdomain works over HTTPS, then raise it in steps to 31536000. Add includeSubDomains only when all subdomains are HTTPS. HSTS preload is optional and hard to undo; hstspreload.org itself does not recommend it by default.

   31% of Entertainment & Video Streaming peers do this.

   Guide: HTTPS and TLS Guide for Website Owners

4. Priority 4 · Accelerate

   Modern image formats in use

   Observed: The homepage had 21 images and none used WebP or AVIF.

   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.

   32% of Entertainment & Video Streaming peers do this.

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

What teleman.pl already does well

Practices fewer than half of Entertainment & Video Streaming peers use.

• Framing restrictedFraming controls present.43% of peers
• Static files cached for 30 days or moreLong-lived caching on static files.46% of peers

What we saw

Homepage checked

https://www.teleman.pl/

Homepage response

HTTP 200

TLS

TLSv1.3, HTTP/2

Certificate

cyber_Folks S.A., 364-day validity, expiring 2027-01-26

DNS operators

1 self-run or other nameserver domain

Homepage HTML

102 KB, gzip

Images on homepage

21 (jpg 14, gif 7)

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

All 31 checks

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

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Entertainment & Video Streaming readiness benchmark