Website readiness profile · Snapshot 23 October 2026
sourceforge.net
sourceforge.net's public homepage, certificate and DNS checked against 31 practices and compared with 231 Programming & Software sites.
- Readiness index
- 82/100
- Ahead of
- 89%
- Practices observed
- 23/30
- Popularity band
- Top 10K
Programming & Software median 68
of measured Programming & Software sites
1 of 31 could not be measured
Chrome UX Report top-sites list
Readiness by lane
Green: sourceforge.net. Thin bar: Programming & Software peer median.
Enable
92/100
Peers 81
Harden
86/100
Peers 59
Accelerate
68/100
Peers 65
Recover
0/100
Peers 7
Priority fixes for sourceforge.net
Ordered by impact and by how common each practice is among peers.
Priority 1 · Accelerate
Modern image formats in use
Observed: The homepage had 24 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 Cloudflare: Cloudflare Polish can convert images to WebP.
42% of Programming & Software 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 · Accelerate
No render-blocking scripts in <head>
Observed: The homepage <head> loaded 4 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.
51% of Programming & Software peers do this.
Guide: Control Third-Party Scripts Before They Control Your Page
Priority 3 · Enable
Social preview image set
Observed: The homepage had no og:image, so shared links may show without a preview image.
What to do: Add Open Graph tags, including og:image with a 1200 x 630 image.
60% of Programming & Software peers do this.
Priority 4 · Harden
security.txt published
Observed: No valid /.well-known/security.txt with a Contact field was returned.
What to do: Publish /.well-known/security.txt with at least Contact and Expires fields, as RFC 9116 requires, and review it before it expires.
On Cloudflare: Cloudflare Security Center can serve a security.txt file for the zone.
15% of Programming & Software peers do this.
What sourceforge.net already does well
Practices fewer than half of Programming & Software peers use.
- CAA records limit who can issue certificatesCAA limits issuance to amazon.com, digicert.com, letsencrypt.org and others.23% of peers
- Content Security Policy presentContent-Security-Policy present.32% of peers
- HSTS kept for at least a yearHSTS with a 365-day max-age covering subdomains.40% of peers
What we saw
- Homepage checked
- https://sourceforge.net/
- Homepage response
- HTTP 200
- TLS
- TLSv1.3, HTTP/2
- Certificate
- Let's Encrypt, 89-day validity, expiring 2026-11-10
- CDN or edge
- Cloudflare
- DNS operators
- Constellix
- HSTS
- max-age 365 days, includeSubDomains, preload
- DMARC policy
- p=quarantine
- Homepage HTML
- 120 KB, br
- Images on homepage
- 24 (svg 3, png 2)
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 7
Observed 23
- HTTP requests move to HTTPS
- HSTS kept for at least a year
- TLS 1.3 negotiated
- Certificate has more than 14 days left
- Certificate lifetime of 100 days or less
- CAA records limit who can issue certificates
- DMARC policy enforces quarantine or reject
- X-Content-Type-Options: nosniff
- Framing restricted
- Content Security Policy present
- HTTP/2 negotiated
- HTTP/3 advertised
- HTML compressed
- Offscreen images lazy-loaded
- robots.txt published
- XML sitemap discoverable
- Reachable over IPv6
- Canonical URL declared
- Meta description written
- Mobile viewport configured
- Structured data present
- Page language declared
- At most one redirect to the homepage
Not measured 1
- Static files cached for 30 days or more
Own sourceforge.net?
Re-run the checks after a change, keep a private action plan in a free workspace, or report a mistake.
Live status for this site: Status Is Down: sourceforge.net. This profile covers configuration only.