Website readiness profile · Snapshot 23 October 2026
istockphoto.com
istockphoto.com's public homepage, certificate and DNS checked against 31 practices and compared with 74 Stock Image & Video Libraries sites.
- Readiness index
- 74/100
- Ahead of
- 62%
- Practices observed
- 21/31
- Popularity band
- Top 5K
Stock Image & Video Libraries median 68
of measured Stock Image & Video Libraries sites
0 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: istockphoto.com. Thin bar: Stock Image & Video Libraries peer median.
Enable
87/100
Peers 77
Harden
74/100
Peers 58
Accelerate
65/100
Peers 68
Recover
0/100
Peers 3
Priority fixes for istockphoto.com
Ordered by impact and by how common each practice is among peers.
Priority 1 · Accelerate
Modern image formats in use
Observed: The homepage had 21 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.
46% of Stock Image & Video Libraries 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
Priority 2 · Harden
HSTS kept for at least a year
Observed: Strict-Transport-Security was sent with a max-age of 30 days, below the one-year benchmark.
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.
On Amazon CloudFront: Attach a response headers policy with Strict-Transport-Security to each distribution.
30% of Stock Image & Video Libraries peers do this.
Priority 3 · Accelerate
Offscreen images lazy-loaded
Observed: The homepage had 21 images and none used loading="lazy".
What to do: Add loading="lazy" to images below the fold. Do not lazy-load the main hero image, because that delays the largest visible element.
52% of Stock Image & Video Libraries peers do this.
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.
57% of Stock Image & Video Libraries peers do this.
What istockphoto.com already does well
Practices fewer than half of Stock Image & Video Libraries peers use.
- CAA records limit who can issue certificatesCAA limits issuance to amazon.com, digicert.com, globalsign.com and others.12% of peers
- security.txt publishedsecurity.txt with a contact found.25% of peers
- DMARC policy enforces quarantine or rejectDMARC policy p=reject.42% of peers
What we saw
- Homepage checked
- https://www.istockphoto.com/
- Homepage response
- HTTP 200
- TLS
- TLSv1.3, HTTP/2
- Certificate
- Amazon, 197-day validity, expiring 2026-12-31
- CDN or edge
- Amazon CloudFront
- DNS operators
- Amazon Route 53
- HSTS
- max-age 30 days
- DMARC policy
- p=reject
- Homepage HTML
- 269 KB, gzip
- Images on homepage
- 21 (jpg 12, svg 7, png 1)
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
Not observed 10
Observed 21
- HTTP requests move to HTTPS
- TLS 1.3 negotiated
- Certificate has more than 14 days left
- CAA records limit who can issue certificates
- security.txt published
- DMARC policy enforces quarantine or reject
- X-Content-Type-Options: nosniff
- Framing restricted
- Referrer-Policy set
- HTTP/2 negotiated
- HTML compressed
- Static files cached for 30 days or more
- No render-blocking scripts in <head>
- robots.txt published
- XML sitemap discoverable
- Canonical URL declared
- Meta description written
- Mobile viewport configured
- Structured data present
- Page language declared
- At most one redirect to the homepage
Own istockphoto.com?
Re-run the checks after a change, or verify the site in a free workspace to save reports with history, compare against similar sites and competitors, and track a private action plan. What owners get.
Live status for this site: Status Is Down: istockphoto.com. This profile covers configuration only.