Content
· 5 checks — Internal links, mixed-content guards, Open Graph previews, and structured data rolled into one auditable list.CStructured DataActionNo structured data (JSON-LD) found.REVIEW
Adding structured data helps search engines understand your content and can enable rich results.
Without schema.org markup, your pages can't appear as rich results (stars, FAQs, recipes) in search.
Learn more ▾ ▴
Structured data is what unlocks rich snippets — review stars, FAQ accordions, recipe cards, breadcrumbs, etc. — that take up more SERP space and dramatically improve click-through. The schema.org vocabulary is well-documented and JSON-LD is the easiest format.
Source: Google Search Central / schema.org
No structured data found
Structured data (JSON-LD) helps search engines understand your content better. Adding it can improve your search result appearance.
Common types include:
- WebSite — your site identity and search box
- Organization — your company information
- Article — blog posts and news articles
- Product — e-commerce product pages
- BreadcrumbList — navigation paths
CBrand PresenceActionSite-name consistency, favicon, social image, meta tags, schema, and contact signalsREVIEW
Brand Presence
Partial brand coverage — a few channels are missing brand signals.
C
56/100
Site name appears as
| Page title | Universidade de Lisboa | |
| og:site_name | Universidade de Lisboa | |
| twitter:site | — | |
| Organization.name | — |
Consistent
Brand assets
Favicon
8/15single size only
Social share image
14/20og:image set; twitter:image missing
Meta completeness
14/20Organization schema
0/15Contact info discoverable
10/10contact page + mailto link
Findings
- Missing brand name in: twitter:site, Organization.name
- Add twitter:image — Twitter falls back to og:image only when it's larger than 300×157
- Single favicon only — add apple-touch-icon for iOS home-screen and high-DPI support
- twitter:card missing
- No Organization schema — Google can't render your logo in the knowledge panel
How consistently your brand appears across channels — shared link previews, structured data, favicon, contact info.
A+Links200 links checked, 200 healthy, 0 brokenPASS
A+Mixed ContentNo mixed content detected — all resources use HTTPS.PASS
AOpen GraphOpen Graph tags are well configured for social sharing.PASS
22 charsIdeal length is 25–60 characters for social sharing previews.
25–60 charsog:title very short — may render with awkward whitespace in social cards.
Source: Open Graph Protocol
217 charsDescriptions over 200 characters may be truncated in social sharing previews.
55–200 charsog:description borderline-too-long — social platforms truncate around ~200 chars.
Source: Open Graph Protocol
Without twitter:card, Twitter falls back to Open Graph tags. Adding it gives you more control.
Without twitter:card, Twitter renders posts as plain text — no preview image, no structured layout.
Learn more ▾ ▴
Twitter requires `<meta name="twitter:card" content="summary_large_image">` (or summary) to render share-cards at all. Without it, links appear as raw text and engagement plummets vs cards. Twitter also falls back to og:image if twitter:image isn't set, so configure both.
Source: Twitter Developer Platform
Preview

ulisboa.pt
Universidade de Lisboa
A maior universidade portuguesa e uma das maiores da Europa. No coração da cidade de Lisboa, oferecemos uma das melhores e mais diversificadas ofertas formativas e prometemos ser uma experiência única e enriquecedora.
Description will be truncated (221 chars / 200 max)
- twitter:card — Add <meta name="twitter:card" content="summary_large_image">
- twitter:title — falling back from og:title
- twitter:description — falling back from og:description
- twitter:image — falling back from og:image
twitter:card is missing
→ Add <meta name="twitter:card" content="summary_large_image">
Description will be truncated on Twitter/X (221 chars, max 200)
→ Tighten the description to ≤200 characters

ULISBOA.PT
Universidade de Lisboa
A maior universidade portuguesa e uma das maiores da Europa. No coração da cidade de Lisboa, oferecemos uma das melhores e mais diversificadas ofertas formativas e prometemos ser uma experiência única e enriquecedora.
Description will be truncated (221 chars / 155 max)
- og:title — Universidade de Lisboa
- og:description — A maior universidade portuguesa e uma das maiores da Europa. No coração da cidade de Lisboa, oferecemos uma das melho...
- og:image — https://www.ulisboa.pt/sites/default/files/styles/image_base/public/images/base_image/2025-08/53-1314655f527946b3d0a4...
- og:type — Education
- og:url — https://www.ulisboa.pt/info/home
- og:site_name — Universidade de Lisboa
Description will be truncated on Facebook (221 chars, max 155)
→ Tighten og:description to ≤155 characters

Universidade de Lisboa
ulisboa.pt
Description will be truncated (221 chars / 150 max)
- og:title — Universidade de Lisboa
- og:description — A maior universidade portuguesa e uma das maiores da Europa. No coração da cidade de Lisboa, oferecemos uma das melho...
- og:image — https://www.ulisboa.pt/sites/default/files/styles/image_base/public/images/base_image/2025-08/53-1314655f527946b3d0a4...
Description will be truncated on LinkedIn (221 chars, max 150)
→ Tighten og:description to ≤150 characters
ulisboa.pt
Universidade de Lisboa
A maior universidade portuguesa e uma das maiores da Europa. No coração da cidade de Lisboa, oferecemos uma das melhores e mais diversificadas ofertas formativas e prometemos ser uma experiência única e enriquecedora.

- og:title — Universidade de Lisboa
- og:description — A maior universidade portuguesa e uma das maiores da Europa. No coração da cidade de Lisboa, oferecemos uma das melho...
- og:image — https://www.ulisboa.pt/sites/default/files/styles/image_base/public/images/base_image/2025-08/53-1314655f527946b3d0a4...
Social preview quality
Averaged across Twitter/X, Facebook, LinkedIn, and Slack.
| Field | Twitter/X | Slack | ||
|---|---|---|---|---|
| og:title | ||||
| og:description | ||||
| og:image | ||||
| og:type | ||||
| og:url | ||||
| og:site_name | ||||
| twitter:card | — | — | — | |
| twitter:title | ⚠ | — | — | — |
| twitter:description | ⚠ | — | — | — |
| twitter:image | ⚠ | — | — | — |