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· 5 checks — Internal links, mixed-content guards, Open Graph previews, and structured data rolled into one auditable list.
SCORE
93
GRADE
A
FIX
0
REVIEW
2
PASS
3
INFO
0
Checks
5
3 PASS 2 REVIEW
C
Open Graph
Action
Open Graph tags are partially configured — some improvements recommended.
REVIEW
Open Graph tags are partially configured — some improvements recommended.
Critical::
og:image is not reachable
The og:image URL could not be fetched. Social platforms won't be able to display it.
Got: https://cdn.studio.f5.com/images/k6fem79d/production/50491ec88aefbf2b237e9bae8ce66ac8fac75c3d-1200x675.png?fit=max&w=500&h=500
Warning::
Missing og:description
The og:description tag controls the description in social sharing previews.
Info::
og:title is short (17 characters)
Ideal length is 25–60 characters for social sharing previews.
Got: 17 chars Expected: 25–60 chars
URL: https://cdn.studio.f5.com/images/k6fem79d/production/50491ec88aefbf2b237e9bae8ce66ac8fac75c3d-1200x675.png?fit=max&w=500&h=500

The og:image URL could not be fetched. Social platforms won't be able to display it.

Why this matters

An unreachable og:image URL (404, DNS fail, slow timeout) means social platforms cache the failure and serve no image for hours.

Learn more ▾

Social platforms (Facebook, Twitter) cache OG metadata aggressively — including failed image fetches. A momentarily-broken og:image can leave your shares imageless for hours. Test og:image URLs in Facebook's Sharing Debugger to force re-cache after fixing.

Source: Open Graph Protocol / Facebook Sharing Debugger

The og:description tag controls the description in social sharing previews.

Why this matters

No og:description means social cards either show no subtitle or scrape the first paragraph — usually unflattering.

Learn more ▾

Without og:description, social platforms either render no subtitle or pull whatever text appears first on the page. The first paragraph is rarely written for share-card context. A purpose-written 150-200 character og:description gives a polished card.

Source: Open Graph Protocol

URL: 17 chars

Ideal length is 25–60 characters for social sharing previews.

Expected: 25–60 chars
Why this matters

og:title very short — may render with awkward whitespace in social cards.

Source: Open Graph Protocol

Preview

nginx.com

F5 NGINX Products

No description

Preview quality · Twitter/X A · 85/100
  • twitter:card — summary_large_image
  • twitter:title — F5 NGINX Products
  • twitter:description — Add twitter:description to give the preview body text
  • twitter:image — https://cdn.studio.f5.com/images/k6fem79d/production/50491ec88aefbf2b237e9bae8ce66ac8fac75c3d-1200x675.png?fit=max&w=...

NGINX.COM

F5 NGINX Products

No description

Preview quality · Facebook A · 85/100
  • og:title — F5 NGINX Products
  • og:description — Add og:description to give the preview body text
  • og:image — https://cdn.studio.f5.com/images/k6fem79d/production/50491ec88aefbf2b237e9bae8ce66ac8fac75c3d-1200x675.png?fit=max&w=...
  • og:type — website
  • og:url — https://www.f5.com/products/nginx
  • og:site_name — F5, Inc.

F5 NGINX Products

nginx.com

Preview quality · LinkedIn A · 85/100
  • og:title — F5 NGINX Products
  • og:description — Add og:description to give the preview body text
  • og:image — https://cdn.studio.f5.com/images/k6fem79d/production/50491ec88aefbf2b237e9bae8ce66ac8fac75c3d-1200x675.png?fit=max&w=...

nginx.com

F5 NGINX Products

No description

Preview quality · Slack A · 85/100
  • og:title — F5 NGINX Products
  • og:description — Add og:description to give the preview body text
  • og:image — https://cdn.studio.f5.com/images/k6fem79d/production/50491ec88aefbf2b237e9bae8ce66ac8fac75c3d-1200x675.png?fit=max&w=...

Social preview quality

Averaged across Twitter/X, Facebook, LinkedIn, and Slack.

A · 85/100
FieldTwitter/XFacebookLinkedInSlack
og:title
og:description
og:image
og:type
og:url
og:site_name
twitter:card———
twitter:title———
twitter:description———
twitter:image———
C
Brand Presence
Action
Site-name consistency, favicon, social image, meta tags, schema, and contact signals
REVIEW

Brand Presence

Partial brand coverage — a few channels are missing brand signals.

C

62/100

Site name appears as

Page titleF5
og:site_nameF5, Inc.
twitter:site@F5
Organization.name—

Consistent

Brand assets

Favicon

8/15

single size only

Social share image

20/20

og:image + twitter:image set

Meta completeness

14/20

Organization schema

0/15

Contact info discoverable

5/10

contact page

Findings

  • Missing brand name in: Organization.name
  • Single favicon only — add apple-touch-icon for iOS home-screen and high-DPI support
  • No Organization schema — Google can't render your logo in the knowledge panel
  • Only partial contact info discoverable — consider adding a dedicated contact page or mailto/tel link

How consistently your brand appears across channels — shared link previews, structured data, favicon, contact info.

A+
Mixed Content
No mixed content detected — all resources use HTTPS.
PASS
No mixed content detected — all resources use HTTPS.
Info::
No mixed content detected — all resources use HTTPS
A+
Structured Data
1 JSON-LD block(s) found — structured data is well configured.
PASS
1 JSON-LD block(s) found — structured data is well configured.
Info::
Custom type "WebPage" — unable to validate specific properties

JSON-LD Blocks

Block 1 : WebPage
2 properties Valid
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "WebPage",
      "@id": "https://www.f5.com/products/nginx",
      "name": "F5 NGINX Products",
      "mainEntity": {
        "@type": "Product",
        "name": "F5 NGINX Products",
        "image": "https://cdn.studio.f5.com/images/k6fem79d/production/50491ec88aefbf2b237e9bae8ce66ac8fac75c3d-1200x675.png?fit=max&w=500&h=500",
        "brand": {
          "@type": "Brand",
          "name": "F5"
        },
        "manufacturer": {
          "@type": "Organization",
          "name": "F5"
        }
      }
    },
    {
      "@context": "https://schema.org",
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "HOME",
          "item": "https://www.f5.com"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "PRODUCTS",
          "item": "https://www.f5.com/products"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "NGINX",
          "item": "https://www.f5.com/products/nginx"
        }
      ]
    }
  ]
}
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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