Final score appears once the report loads.
- Open Graph— / 40
- Core SEO— / 25
- Twitter Card— / 20
- Image validation— / 15
vercel.com
Solid, with gaps worth closing
Score 81 out of 100 across 50 pages
Previews
The same tags as each platform renders them. Built from the page you entered, not from every page in the scan.
vercel.com
Agentic Infrastructure - Vercel
The autonomous stack for every app and agent.
Open Graph
The tags every platform reads first when it builds a link preview.
- 21 / 50 pages clean
og:title
Failing · <meta property="og:title" content="Your Page Title" />
- 27 / 50 pages clean
og:locale
Partial · <meta property="og:locale" content="en_US" />
- 27 / 50 pages clean
og:site_name
Partial · <meta property="og:site_name" content="Your Site Name" />
- 33 / 50 pages clean
og:type
Partial · <meta property="og:type" content="website" />
- 36 / 50 pages clean
og:description
Failing · <meta property="og:description" content="Your page description here." />
- 38 / 50 pages clean
og:image
Failing · <meta property="og:image" content="https://example.com/og-image.png" />
- 44 / 50 pages clean
og:url
Partial · <meta property="og:url" content="https://example.com/page-path" />
Core SEO
The tags a search engine and a crawler need before anything else.
- 21 / 50 pages clean
title
Partial · Adjust your title tag length to be between 30 and 60 characters.
- 32 / 50 pages clean
description
Partial · Keep meta description between 50 and 160 characters for search snippets.
- 39 / 50 pages clean
canonical
Partial · <link rel="canonical" href="https://example.com/page-canonical" />
Twitter Card
The tags X and a few others prefer over the Open Graph ones.
- 0 / 50 pages clean
twitter:site
Partial · <meta name="twitter:site" content="@yourusername" />
- 20 / 50 pages clean
twitter:title
Partial · <meta name="twitter:title" content="Your Page Title" />
- 36 / 50 pages clean
twitter:description
Partial · <meta name="twitter:description" content="Your page description." />
- 49 / 50 pages clean
twitter:card
Partial · <meta name="twitter:card" content="summary_large_image" />
- 49 / 50 pages clean
twitter:image
Partial · <meta name="twitter:image" content="https://example.com/og-image.png" />
Image validation
Whether the image a preview is built from can be fetched, and is large enough to use.
- 32 / 50 pages clean
og:image:dimensions
Partial · Use an image that is at least 1200x630 pixels for rich social sharing previews.
- 35 / 50 pages clean
og:image:reachable
Failing · Add a valid og:image tag to pass image validations.
How these pages were found
A line runs from a page to the pages it linked to. Anything the sitemap listed instead sits under the nearest page above it.
50 pages50 listed in the sitemap
Pages
All 50 pages that were scanned, lowest score first.
- /docs/rest-api/feature-flags/list-flags (opens in new tab)33/100
14 tags to fix · og:title, og:description, og:image, og:url, og:type, og:locale, og:site_name, twitter:card, twitter:title, twitter:description, twitter:image, twitter:site, title, og:image:reachable
- /docs/flags (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /docs/frameworks/backend (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /docs/vercel-firewall/firewall-concepts (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /docs/botid (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /docs/build-output-api/configuration (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /docs/agent (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /docs/cli (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /docs/errors/internal_cache_error (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /docs/errors/no_response_from_function (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /docs/cli/switch (opens in new tab)64/100
10 tags to fix · og:title, og:image, og:type, og:locale, og:site_name, twitter:title, twitter:site, title, canonical, og:image:reachable
- /marketplace/tidb-cloud (opens in new tab)71/100
11 tags to fix · og:description, og:url, og:type, og:locale, og:site_name, twitter:title, twitter:description, twitter:site, title, description, og:image:reachable
- /docs/oidc (opens in new tab)72/100
7 tags to fix · og:image, og:type, og:locale, og:site_name, twitter:site, canonical, og:image:reachable
- /changelog/next-js-14 (opens in new tab)77/100
8 tags to fix · og:title, og:description, twitter:title, twitter:description, twitter:site, title, description, og:image:dimensions
- /kb/fastify (opens in new tab)81/100
7 tags to fix · og:description, og:locale, og:site_name, twitter:description, twitter:site, description, og:image:dimensions
- /kb/guide/avoiding-duplicate-content-with-vercel-app-urls (opens in new tab)81/100
7 tags to fix · og:title, og:locale, og:site_name, twitter:title, twitter:site, title, og:image:dimensions
- /kb/guide/cohere-nextjs-vercel-ai-sdk (opens in new tab)81/100
7 tags to fix · og:title, og:locale, og:site_name, twitter:title, twitter:site, title, og:image:dimensions
- /changelog/hypertune-integration-available-for-low-latency-experimentation (opens in new tab)82/100
7 tags to fix · og:title, og:description, twitter:title, twitter:description, twitter:site, title, description
- /changelog/new-filters-and-metrics-available-on-the-usage-overview (opens in new tab)82/100
7 tags to fix · og:title, og:description, twitter:title, twitter:description, twitter:site, title, description
- /changelog/add-elastic-scalability-to-your-backend-with-cockroach-labs (opens in new tab)82/100
7 tags to fix · og:title, og:description, twitter:title, twitter:description, twitter:site, title, description
- /blog/changelog-march-2020 (opens in new tab)82/100
7 tags to fix · og:title, og:description, twitter:title, twitter:description, twitter:site, title, description
- /changelog/bytecode-caching-for-serverless-functions-by-default (opens in new tab)82/100
7 tags to fix · og:title, og:description, twitter:title, twitter:description, twitter:site, title, description
- /changelog/report-on-out-of-memory-or-disk-space (opens in new tab)82/100
7 tags to fix · og:title, og:description, twitter:title, twitter:description, twitter:site, title, description
- /academy/nextjs-foundations/third-party-scripts (opens in new tab)83/100
6 tags to fix · og:url, og:type, og:locale, og:site_name, twitter:site, og:image:dimensions
- /academy/subscription-store/understanding-access-control (opens in new tab)83/100
6 tags to fix · og:url, og:type, og:locale, og:site_name, twitter:site, og:image:dimensions
- /academy/microfrontends-on-vercel/remote-components-intro (opens in new tab)83/100
6 tags to fix · og:url, og:type, og:locale, og:site_name, twitter:site, og:image:dimensions
- /academy/production-monorepos/test-caching (opens in new tab)83/100
6 tags to fix · og:url, og:type, og:locale, og:site_name, twitter:site, og:image:dimensions
- /changelog/build-slack-agents-with-vercel-slack-bolt (opens in new tab)85/100
5 tags to fix · og:title, twitter:title, twitter:site, title, og:image:dimensions
- /sandbox (opens in new tab)85/100
5 tags to fix · og:title, twitter:title, twitter:site, title, og:image:dimensions
- /changelog/v0-platform-api-now-in-beta (opens in new tab)85/100
5 tags to fix · og:description, twitter:description, twitter:site, description, og:image:dimensions
- /templates/wisp (opens in new tab)85/100
5 tags to fix · og:title, twitter:title, twitter:site, title, og:image:reachable
- /blog/category/company-news (opens in new tab)85/100
5 tags to fix · og:title, twitter:title, twitter:site, title, og:image:dimensions
- /changelog/improved-performance-for-vercel-postgres-from-edge-functions (opens in new tab)88/100
5 tags to fix · og:title, twitter:title, twitter:site, title, description
- /changelog/vercels-cdn-now-respects-cache-control-headers-from-external-origins-by-default (opens in new tab)88/100
5 tags to fix · og:title, twitter:title, twitter:site, title, description
- /kb/bulletin (opens in new tab)89/100
4 tags to fix · og:locale, og:site_name, twitter:site, og:image:dimensions
- /kb/builds (opens in new tab)89/100
4 tags to fix · og:locale, og:site_name, twitter:site, og:image:dimensions
- /changelog/improved-log-drain-filtering (opens in new tab)90/100
4 tags to fix · og:description, twitter:description, twitter:site, description
- /changelog/aws-databases-now-available-on-the-vercel-marketplace (opens in new tab)90/100
4 tags to fix · og:title, twitter:title, twitter:site, title
- /changelog/papercuts-small-feature-requests-and-bug-fixes (opens in new tab)90/100
4 tags to fix · og:description, twitter:description, twitter:site, description
- /blog/vercel-blob-now-generally-available (opens in new tab)90/100
4 tags to fix · og:title, twitter:title, twitter:site, title
- /changelog/deployment-logs-filtering-now-available (opens in new tab)90/100
4 tags to fix · og:description, twitter:description, twitter:site, description
- /changelog/new-instant-rollback-flow (opens in new tab)91/100
3 tags to fix · twitter:site, description, og:image:dimensions
- /blog/how-to-build-scalable-ai-applications (opens in new tab)91/100
3 tags to fix · twitter:site, description, og:image:dimensions
- /blog/edge-functions-generally-available (opens in new tab)92/100
3 tags to fix · og:title, twitter:title, twitter:site
- /blog/your-guide-to-headless-commerce (opens in new tab)93/100
2 tags to fix · twitter:site, og:image:dimensions
- /templates/realtime-apps (opens in new tab)93/100
2 tags to fix · twitter:site, og:image:reachable
- /blog/introducing-react-best-practices (opens in new tab)93/100
2 tags to fix · twitter:site, og:image:dimensions
- /kb/ai-sdk (opens in new tab)94/100
3 tags to fix · og:locale, og:site_name, twitter:site
- /changelog/vercel-blob-now-available-in-all-vercel-regions (opens in new tab)96/100
2 tags to fix · twitter:site, description
- /changelog/consolidated-build-and-deployment-settings (opens in new tab)98/100
1 tag to fix · twitter:site
General
What the page says about itself, before any platform-specific tag.
- title
- Agentic Infrastructure - Vercel
- description
- The autonomous stack for every app and agent.
- author
- Not set
- viewport
- width=device-width, initial-scale=1, maximum-scale=1
- robots
- index, max-image-preview:large
- application-name
- Not set
- keywords
- Not set
- generator
- Not set
- theme-color
- #000
Open Graph tags
The tags every platform reads first when it builds a preview.
- og:title
- Agentic Infrastructure - Vercel
- og:description
- The autonomous stack for every app and agent.
- og:image
https://lishhsx6kmthaacj.public.blob.vercel-storage.com/og-home-not-x.png (opens in new tab)- og:type
- website
- og:site_name
- Vercel
- og:locale
- en_US
- og:image:width
- Not set
- og:image:height
- Not set
Twitter Card tags
Read by X in preference to the Open Graph tags above.
- twitter:card
- summary_large_image
- twitter:title
- Agentic Infrastructure - Vercel
- twitter:description
- The autonomous stack for every app and agent.
- twitter:image
https://lishhsx6kmthaacj.public.blob.vercel-storage.com/og-home-x.png (opens in new tab)- twitter:site
- Not set
- twitter:creator
- Not set