Website readiness profile · Snapshot 23 October 2026

eduvulcan.pl

eduvulcan.pl's public homepage, certificate and DNS checked against 31 practices and compared with 1,516 Education & Online Learning sites.

Readiness index: 68/100
Ahead of: 68%
Practices observed: 18/31
Popularity band: Top 5K

Measured 2026-10-23 12:18:13 UTC from one location. How we measure

Readiness by lane

Green: eduvulcan.pl. Thin bar: Education & Online Learning peer median.

Enable

56/100

Peers 75

Harden

72/100

Peers 54

Accelerate

75/100

Peers 57

Recover

0/100

Peers 13

Priority fixes for eduvulcan.pl

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

Priority 1 · Enable
XML sitemap discoverable
Observed: No sitemap was listed in robots.txt or found at /sitemap.xml.
Why it matters: A sitemap helps search engines find new and updated pages, especially on large or frequently updated sites.
What to do: Generate an XML sitemap of canonical URLs, reference it in robots.txt and submit it in Google Search Console.
On WordPress: WordPress has generated a basic sitemap at /wp-sitemap.xml since 5.5; SEO plugins can replace it.
65% of Education & Online Learning peers do this. Limit: Only the standard location was requested, once, at the time of the check.
Guide: XML Sitemap Guide: Include Only URLs You Stand Behind
Priority 2 · Accelerate
Static files cached for 30 days or more
Observed: A same-site stylesheet or script was cacheable for 1 days, short of the 30-day benchmark.
What to do: Give versioned (fingerprinted) CSS, JavaScript, fonts and images Cache-Control: public, max-age=31536000, immutable, and change the file name whenever the content changes.
On WordPress: Caching plugins or your host can set long browser cache lifetimes for theme and plugin assets.
45% of Education & Online Learning peers do this.
Guide: Browser Caching Guide for Website Owners
Priority 3 · Enable
Meta description written
Observed: The homepage had no meta description.
What to do: Write a short, specific description of the page for people, not a list of keywords.
84% of Education & Online Learning peers do this.
Guide: Meta Titles and Descriptions That Match Search Intent
Priority 4 · Harden
Certificate lifetime of 100 days or less
Observed: The certificate from Asseco Data Systems S.A. had a 198-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.
60% of Education & Online Learning peers do this.
Guide: HTTPS and TLS Guide for Website Owners

What eduvulcan.pl already does well

Practices fewer than half of Education & Online Learning peers use.

Referrer-Policy setReferrer-Policy present.27% of peers
Modern image formats in useWebP or AVIF images detected.32% of peers
HSTS kept for at least a yearHSTS with a 365-day max-age covering subdomains.34% of peers

What we saw

Homepage checked: https://eduvulcan.pl/
Homepage response: HTTP 200
TLS: TLSv1.3, HTTP/2
Certificate: Asseco Data Systems S.A., 198-day validity, expiring 2027-04-29
Platform or framework: WordPress
DNS operators: Cloudflare
HSTS: max-age 365 days, includeSubDomains
DMARC policy: p=quarantine
Homepage HTML: 120 KB, gzip
Images on homepage: 20 (avif 168, webp 168, png 100, jpg 88)

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.

WordPress readiness playbook Cloudflare (dns operator)Asseco Data Systems S.A. (certificate authority)Service guide: Cloudflare Service guide: WordPress

All 31 checks

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

Not observed 13

Observed 18

HTTP requests move to HTTPS
HSTS kept for at least a year
TLS 1.3 negotiated
Certificate has more than 14 days left
DMARC policy enforces quarantine or reject
X-Content-Type-Options: nosniff
Framing restricted
Referrer-Policy set
HTTP/2 negotiated
HTML compressed
Modern image formats in use
Offscreen images lazy-loaded
No render-blocking scripts in <head>
robots.txt published
Canonical URL declared
Mobile viewport configured
Page language declared
At most one redirect to the homepage

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Live status for this site: Status Is Down: eduvulcan.pl. This profile covers configuration only.

Compare with other Education & Online Learning sites

Education & Online Learning readiness benchmark