Adding a Cache-Control header can significantly improve repeat-visit performance.
B
Third-Party Impact
41% third-party, 0 ms blocking
REVIEW
41% third-party, 0 ms blocking
Info::
i
Third-party code accounts for 41% of page weight (1.0 MiB of 2.5 MiB)
Info::
✓
Third-party blocking time is low (0 ms)
59%
41%
First-party Third-party
B
Main HTML Cache-Control
No Cache-Control header on main HTML response
REVIEW
No Cache-Control header on main HTML response
Info::
i
Main HTML response has no Cache-Control header
Without an explicit Cache-Control, browsers fall back to heuristic caching (~10% of Last-Modified age). Set `Cache-Control: no-cache` or `max-age=300` for HTML to control freshness explicitly -- prevents stale auth state and SPA shell drift.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
i
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
B
JavaScript Blocking
1 JS blocking issue(s) detected
REVIEW
1 JS blocking issue(s) detected
Warning::
!
9 render-blocking <script src> tag(s) without async/defer
Each `<script src=...>` without `async`, `defer`, or `type="module"` blocks HTML parsing while the browser fetches and executes it. The block lasts the entire round-trip + execution time -- on slow networks this translates directly into LCP delay. Add `defer` (executes after parse, in source order) for scripts that interact with the DOM, or `async` (executes whenever ready) for analytics / independent scripts. Module scripts (`type="module"`) are deferred by default.
C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW
Green Hosting
No green hosting detected
A+
Text Compression
All text resources are compressed
PASS
All text resources are compressed
Info::
✓
All text resources are compressed
All text resources are properly compressed.
A
Image Optimization
4 images, 0 KB saveable
PASS
4 images, 0 KB saveable
Info::
✓
All images are well-optimized
4images1.3 MB
0oversized-0 KB
3legacy format
0missing dimensionsCLS risk
A+
Font Loading
6 fonts (317 KB)
PASS
6 fonts (317 KB)
Info::
i
6 font(s) use font-display: swap (FOUT risk but functional)
Web fonts
6
317 KB total
Render-blocking
0
of 6
Dominant font-display
swap
Most common across fonts
Font loading timeline
TransferFOIT (block)FOUT (swap)
UcC73FwrK3iLTeHuS_nVMrM...woff2swap
Size47 KB
Load time135 ms
Start723 ms
RiskFOUT — text flashes from fallback to web font
KFO7CnqEu92Fr1ME7kSn66a...woff2swap
Size37 KB
Load time137 ms
Start724 ms
RiskFOUT — text flashes from fallback to web font
JTUSjIg1_i6t8kCHKm459Wl...woff2swap
Size35 KB
Load time82 ms
Start822 ms
RiskFOUT — text flashes from fallback to web font
co3bmX5slCNuHLi8bLeY9MK...woff2swap
Size37 KB
Load time112 ms
Start822 ms
RiskFOUT — text flashes from fallback to web font
fa-solid-900.woff2woff2swap
Size123 KB
Load time111 ms
Start823 ms
RiskFOUT — text flashes from fallback to web font
Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
co3ZmX5slCNuHLi8bLeY9MK...woff2swap
Size38 KB
Load time111 ms
Start824 ms
RiskFOUT — text flashes from fallback to web font
Optimization checklist
Preload critical fonts (priority=high)
Use woff2 format for all fonts
Set font-display to swap, optional, or fallback
Subset large fonts (≤100 KB each)
Fixing the unchecked items could save ~61 KB and ~122 ms
A+
Resource Caching
All resources properly cached
PASS
All resources properly cached
Info::
✓
No caching issues found
All static resources have appropriate caching headers.
A+
Critical Rendering Path
No render-blocking resources
PASS
No render-blocking resources
Info::
✓
No render-blocking resources detected
A+
Resource Hints
6 hints, 0 missing preconnects
PASS
6 hints, 0 missing preconnects
Info::
i
2 URL(s) appear in multiple hints
The same href shouldn't appear in multiple hint rels -- one wins, the others are wasted markup and may confuse cache behavior. Sample: https://fonts.googleapis.com (preconnect+preconnect), https://fonts.gstatic.com (preconnect+preconnect).
Info::
✓
Page uses 6 resource hint(s)
Current Resource Hints
preconnect
4
preload
1
dns-prefetch
1
prefetch—
6 resource hints configured
The same href shouldn't appear in multiple hint rels -- one wins, the others are wasted markup and may confuse cache behavior. Sample: https://fonts.googleapis.com (preconnect+preconnect), https://fonts.gstatic.com (preconnect+preconnect).
Why this matters
Performance issues directly impact user engagement and conversion rates.
A+
HTTP/3 (QUIC)
HTTP/3 advertised via Alt-Svc
PASS
HTTP/3 advertised via Alt-Svc
Info::
✓
HTTP/3 (QUIC) is supported
First-load mobile users on cellular networks see meaningful latency improvements with HTTP/3. The QUIC transport collapses TLS + TCP handshakes into one and recovers faster from packet loss.
A+
Compression Algorithm
Main response uses brotli
PASS
Main response uses brotli
Info::
✓
Main HTML response uses brotli (Content-Encoding: br)
Brotli is the best text-compression algorithm for general use, ~20% smaller than gzip on average (40% on smaller files). Modern browsers all support it.
A+
LCP Image Preload
LCP preload audit not available
PASS
LCP preload audit not available
Info::
✓
LCP image preload audit not available for this scan
A+
Server Response Intelligence
2 server-response signal(s) detected
PASS
2 server-response signal(s) detected
Info::
✓
`Vary` header declared: Accept-Encoding
The page declares a `Vary` header, telling downstream caches which request headers the response varies on. Critical for content-negotiated responses (compression, language, cookies, device class).
Each `<link rel="stylesheet">` without a non-blocking `media` attribute holds up the first paint. Browsers download all of them before painting any content. Consolidate into 1-2 critical-path stylesheets; defer non-critical CSS via `<link rel="stylesheet" media="print" onload="this.media='all'">` or via the loadCSS pattern; inline above-the-fold CSS in `<style>` to short-circuit the request entirely.
Network Waterfall
65 requests over 2701ms
INFO
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
40%of JavaScript execution is third-party
First-party Third-party1116ms · 577KB · $15/mo
Script
Category
Execution
Transfer
Unused
Monthly Cost
Verdict
maps.googleapis.com
maps.googleapis.com
Other
384ms
366 KB
56%
$5/mo
Costly
Tawk.to
embed.tawk.to
Chat
317ms
114 KB
62%
$4/mo
Costly
Tawk.to
embed.tawk.to
Chat
149ms
3 KB
—
$2/mo
Optional
Tawk.to
embed.tawk.to
Chat
142ms
67 KB
46%
$2/mo
Optional
Tawk.to
embed.tawk.to
Chat
125ms
27 KB
—
$2/mo
Optional
maps.googleapis.com
Other
Costly
Execution384ms
Transfer366 KB
Unused56%
Monthly Cost$5/mo
Tawk.to
Chat
Costly
Execution317ms
Transfer114 KB
Unused62%
Monthly Cost$4/mo
Tawk.to
Chat
Optional
Execution149ms
Transfer3 KB
Monthly Cost$2/mo
Tawk.to
Chat
Optional
Execution142ms
Transfer67 KB
Unused46%
Monthly Cost$2/mo
Tawk.to
Chat
Optional
Execution125ms
Transfer27 KB
Monthly Cost$2/mo
These scripts may cost more than they're worth
maps.googleapis.com adds 384ms and costs ~$5/month
Tawk.to adds 317ms and costs ~$4/month
40% of JavaScript execution time comes from third-party scripts.
Why this matters
Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.
Learn more ▾▴
Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.
Source: web.dev / HTTP Archive Web Almanac
maps.googleapis.com takes 384ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
56% of maps.googleapis.com's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
Tawk.to takes 317ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
Why this matters
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
62% of Tawk.to's code is unused. The script may be loading features you don't use.
Why this matters
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.