Category benchmark · Snapshot 23 October 2026

Events & Online Ticketing: website readiness

31 configuration checks across 387 Events & Online Ticketing sites from the SID website catalog, with 185 individual profiles for sites in the Chrome UX Report top 50K.

Sites measured: 387
Median readiness index: 63/100
Profiles: 185
Weakest lane: Recover

Readiness by lane

Enable

78/100

All sites 77

Harden

57/100

All sites 56

Accelerate

59/100

All sites 64

Recover

7/100

All sites 10

Biggest gaps for Events & Online Ticketing sites

The checks with the most room to improve, weighted by impact.

HSTS kept for at least a year
42% observed · all sites 34%
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.
Guide: HTTPS and TLS Guide for Website Owners
security.txt published
4.3% observed · all sites 7.1%
Publish /.well-known/security.txt with at least Contact and Expires fields, as RFC 9116 requires, and review it before it expires.
Guide: A Practical Website Health Check for Owners
CAA records limit who can issue certificates
11% observed · all sites 13%
Publish CAA records naming every CA you actually use, including the CAs your CDN uses for managed certificates. Add an iodef contact if you want reports.
Guide: HTTPS and TLS Guide for Website Owners
Modern image formats in use
42% observed · all sites 40%
Serve WebP or AVIF with a JPEG or PNG fallback, either through an image CDN or by generating both formats at build time.
Guide: AVIF, WebP, JPEG, and PNG: Choose the Right Image Format
Static files cached for 30 days or more
43% observed · all sites 51%
Give versioned (fingerprinted) CSS, JavaScript, fonts and images Cache-Control: public, max-age=31536000, immutable, and change the file name whenever the content changes.
Guide: Browser Caching Guide for Website Owners
DMARC policy enforces quarantine or reject
44% observed · all sites 39%
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.
Guide: A Practical Website Health Check for Owners

Where Events & Online Ticketing sites lead

robots.txt published87% observedall sites 76%
Social preview image set65% observedall sites 57%
Meta description written91% observedall sites 84%
HSTS kept for at least a year42% observedall sites 34%

Stack mix

CDN and edge

Platform or framework

Next.js16%
WordPress13%
Nuxt3.1%
Drupal2.3%
Angular2.1%
Webflow1.6%
Gatsby1%
Shopify1%

DNS operator

Certificate authority

Readiness leaders

Events & Online Ticketing sites in the top 50K with the highest share of observed practices (at least 26 of 31 checks measured). This lists only what we observed on 23 October 2026; owners can request a correction.

All 31 checks for Events & Online Ticketing

Check	Lane	Observed	All sites	Measured
HTTP requests move to HTTPS	Harden	96%	91%	359
HSTS kept for at least a year	Harden	42%	34%	378
TLS 1.3 negotiated	Harden	89%	91%	386
Certificate has more than 14 days left	Harden	99%	99%	386
Certificate lifetime of 100 days or less	Harden	52%	67%	386
CAA records limit who can issue certificates	Harden	11%	13%	387
DNSSEC signed	Harden	9%	8%	387
security.txt published	Harden	4.3%	7.1%	375
DMARC policy enforces quarantine or reject	Harden	44%	39%	387
X-Content-Type-Options: nosniff	Harden	47%	48%	378
Framing restricted	Harden	52%	51%	378
Content Security Policy present	Harden	30%	32%	378
Referrer-Policy set	Harden	28%	24%	378
HTTP/2 negotiated	Accelerate	90%	90%	386
HTTP/3 advertised	Accelerate	24%	37%	378
HTML compressed	Accelerate	89%	93%	375
Static files cached for 30 days or more	Accelerate	43%	51%	341
Modern image formats in use	Accelerate	42%	40%	331
Offscreen images lazy-loaded	Accelerate	54%	62%	316
No render-blocking scripts in <head>	Accelerate	35%	48%	378
robots.txt published	Enable	87%	76%	380
XML sitemap discoverable	Enable	64%	70%	379
Reachable over IPv6	Enable	35%	48%	387
Canonical URL declared	Enable	65%	68%	378
Meta description written	Enable	91%	84%	378
Mobile viewport configured	Enable	97%	94%	378
Structured data present	Enable	51%	51%	378
Social preview image set	Enable	65%	57%	378
Page language declared	Enable	88%	90%	378
At most one redirect to the homepage	Enable	97%	98%	381
Nameservers spread across providers	Recover	7.2%	10%	387

Events & Online Ticketing profiles

Readiness index shown next to each site.

Events & Online Ticketing: website readiness

Readiness by lane

Biggest gaps for Events & Online Ticketing sites

HSTS kept for at least a year

security.txt published

CAA records limit who can issue certificates

Modern image formats in use

Static files cached for 30 days or more

DMARC policy enforces quarantine or reject