svelte.dev
Strong, with a few clear wins still on the table.
- 01Performance & Core Web Vitals
Total Blocking Time: 854ms (poor)
Heavy JavaScript blocks the main thread, so taps and scrolls feel laggy right when the page appears.
- 02Security & Trust
HTTP security-header grade: E (1/6 core headers)
Graded on the six response headers securityheaders.com checks: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy.
- 03Performance & Core Web Vitals
Largest Contentful Paint: 2.9s (needs-improvement)
The main content should render within 2.5s. Slow LCP is the single biggest reason mobile visitors abandon a page before it's usable.
- 04Performance & Core Web Vitals
Properly size images — save ~0.1s
Est savings of 40 KiB
- 05Performance & Core Web Vitals
Eliminate render-blocking resources — save ~0.1s
Est savings of 150 ms
Largest Contentful Paint: 2.9s (needs-improvement)
The main content should render within 2.5s. Slow LCP is the single biggest reason mobile visitors abandon a page before it's usable.
Total Blocking Time: 854ms (poor)
Heavy JavaScript blocks the main thread, so taps and scrolls feel laggy right when the page appears.
Properly size images — save ~0.1s
Est savings of 40 KiB
Eliminate render-blocking resources — save ~0.1s
Est savings of 150 ms
Avoid enormous network payloads
Total size was 10,155 KiB
Minimize main-thread work
8.0 s
- No issues in this category. Nicely done.
Only ~87 words of extractable content
After stripping navigation and boilerplate, there's very little substance for an AI to summarize or cite. Add real, informative copy.
No structured data (JSON-LD)
Schema.org markup tells AI engines exactly what your business is, what you offer, and how to reach you — the clearest way to be identified and cited.
- No issues in this category. Nicely done.
HTTP security-header grade: E (1/6 core headers)
Graded on the six response headers securityheaders.com checks: HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy.
No Content-Security-Policy
A CSP is the strongest defense against cross-site scripting and content injection.
No clickjacking protection
Set X-Frame-Options: DENY or a CSP frame-ancestors directive so your site can't be embedded in a malicious frame.
No social share preview (Open Graph)
When your link is shared on iMessage, WhatsApp, LinkedIn or Slack, it shows as a bare URL with no image or title — looks amateur and kills click-through.
“attractively thin, graceful and stylish Svelte is a UI framework that uses a compiler to let you write breathtakingly concise components that do minimal work in the browser, using languages you already know — HTML, CSS and JavaScript. It’s a love letter to web development. But don’t take our word for it. Developers consistently rank Svelte as the framework they’re most excited about using. used by companies you’ve heard of Backed by Vercel and countless donors, developed by full-time and part-time maintainers, Svelte is here to stay.”
This is the text an AI answer engine actually pulls from your page. If your offer or location isn't in here, ChatGPT and Perplexity can't say it.
- 3page(s) missing a meta description
- 3page(s) with no H1 heading
- 1page(s) with thin content (<150 words)
- 10page(s) with no structured data
- 11broken internal link(s)
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<a href="https://luxeplatforms.com/website-grader/r/1b7abc42f94c" target="_blank" rel="noopener"> <img src="https://luxeplatforms.com/website-grader/r/1b7abc42f94c/badge" alt="Website & AI grade: B" width="264" height="66"> </a>
Audited in 42s with a hand-built engine: real Lighthouse, axe-core, and field data. Weights shown per category. No fabricated numbers.