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Home page

Unripe

https://vercel.com/ ↗

Mobile

1/1 runs

Perf

A11y

SEO

100

Best

LCP

≤ 2.5 s

7.6 s

CLS

≤ 0.1

0.000

TBT

≤ 200 ms

183 ms

FCP

≤ 1.8 s

3.2 s

TTFB

≤ 800 ms

16 ms

≤ 3.4 s

5.6 s

Page weight

2.0 MB · 131 requests · third-party 58 KB

JavaScript1.2 MB64%

Images75 KB4%

CSS162 KB8%

Fonts226 KB11%

Failing performance checks

9 items

Reduce unused JavaScript
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Est savings of 355 KiB
Covered by: Cut and defer JavaScript →
−450 ms
Reduce JavaScript execution time
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.
1.9 s
Covered by: Cut and defer JavaScript →
−300 ms
Forced reflow
A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.
Covered by: Cut and defer JavaScript →
Reduce unused CSS
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
Est savings of 23 KiB
Covered by: Unblock the initial render →
−150 ms
Network dependency tree
Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
Covered by: Unblock the initial render →
Minimize main-thread work
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
4.9 s
Covered by: Cut and defer JavaScript →
−200 ms

Show 3 more checks ↓

Render-blocking requests
Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
Est savings of 750 ms
Covered by: Unblock the initial render →
Improve image delivery
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Est savings of 24 KiB
Covered by: Right-size and modernize images →
Legacy JavaScript
Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling
Est savings of 27 KiB
Covered by: Cut and defer JavaScript →

Failing accessibility checks

1 item

`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.

Failing best-practices checks

1 item

Browser errors were logged to the console
Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

SEO Readiness (this page)

Title, meta, canonical, structured data, etc.

95/100

9 pass · 1 warn · 0 fail

✓
HTTPS
Served over HTTPS
✓
Title tag
31 chars
!
Meta description
45 chars — aim for 70–160
✓
Canonical URL
https://vercel.com
✓
Open Graph
Complete
✓
Twitter Card
summary_large_image
✓
Structured data (JSON-LD)
3 blocks
✓
H1 heading
Exactly one H1
✓
Language declaration
<html lang="en">
✓
Viewport meta
Set

AI Readiness (this page)

Structured data, server-rendered content, semantic HTML.

100/100

8 pass · 0 warn · 0 fail

✓
Snippet directives
No nosnippet / max-snippet / noai restrictions
✓
Structured data (validated)
3 blocks, all required properties present (Offer, Organization, Person, SoftwareApplication)
✓
Server-rendered content
9741 words in initial HTML
✓
Semantic HTML
Uses main, header, footer, nav
✓
Heading outline
18 headings in a clean hierarchy
✓
Open Graph metadata
Complete
✓
Consent wall
No consent-manager wall detected
✓
Author / Organization markup
Person/Organization schema present

Citation-friendliness

How citable this page looks to an LLM answer engine.

75/100

✓
Canonical URL
Page has a stable URL to cite
✓
Author identity
Person/Organization markup found
✕
Publication date
No publication or modification date in JSON-LD — answer engines deprioritize undated content
!
Article schema
No Article / NewsArticle / BlogPosting schema — limits rich-snippet eligibility
✓
Content depth
9741 words — substantial for a citation source
✓
Semantic structure
Uses <main>, <article> or <header>

Schema.org types on this page

Vocabulary the page exposes to search engines and LLMs through JSON-LD blocks.

OrganizationServiceSoftwareApplication

Broken internal links — 1 found

Checked first 20 internal links on this page. These returned non-2xx.

404https://vercel.com/domains

Top third-party vendors

Sentry1 KB
vercel-storage.com57 KB