Performance
· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.Performance-focused optimization plan with CWV assessment, top offenders, and time estimates
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
1.41 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.89 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
0 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.000
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.41 s
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
1.89 s
Page Load Progression
DThird-Party ImpactAction100% third-party, 0 ms blockingFIX
DJS BundlesAction23 scripts, 482 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://static-p46175-e229011.adobeaemcloud.com/bc7c8544f73f6b27961e590e984e15e4d795a02230dcc1bfa7804efe2937d349/theme.js | 371 KB | 295 KB (80%) | ✓ | 3rd |
| https://sgtm.fairmont.com/qg2bvifzdqcxwc2.js?aw=TXVGDVH2 | 169 KB | 67 KB (40%) | ✓ | 3rd |
| https://cdn.signalfx.com/o11y-gdi-rum/v1.1.1/splunk-otel-web.js | 88 KB | 39 KB (44%) | ✓ | 3rd |
| https://static-p46175-e229011.adobeaemcloud.com/bc7c8544f73f6b27961e590e984e15e4d795a02230dcc1bfa7804efe2937d349/clientlibs/libs/clientlib-vue/main.js | 41 KB | 35 KB (85%) | ✓ | 3rd |
| https://tags.pw.adn.cloud/BSVP26/activation.js | 44 KB | 25 KB (57%) | ✓ | 3rd |
| https://siteintercept.qualtrics.com/dxjsmodule/12.1a2b7192fd54e87d3971.chunk.js?Q_CLIENTVERSION=2.46.0&Q_CLIENTTYPE=web&Q_BRANDID=www.fairmont.com | 36 KB | 21 KB (59%) | ✓ | 3rd |
| https://www.fairmont.com/etc.clientlibs/core/wcm/components/commons/datalayer/acdl/core.wcm.components.commons.datalayer.acdl.lc-bf921af342fd2c40139671dbf0920a1f-lc.min.js | 11 KB | — | ✓ | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-TXVGDVH2>g_health=1 | 0 KB | — | ✓ | 3rd |
| https://static-p46175-e229011.adobeaemcloud.com/bc7c8544f73f6b27961e590e984e15e4d795a02230dcc1bfa7804efe2937d349/clientlibs/services/tracking/main.js | 3 KB | — | ✓ | 3rd |
| https://www.fairmont.com/etc.clientlibs/core/wcm/components/commons/datalayer/v2/clientlibs/core.wcm.components.commons.datalayer.v2.lc-1e0136bad0acfb78be509234578e44f9-lc.min.js | 1 KB | — | ✓ | 3rd |
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
Consider code splitting or tree shaking to reduce unused code.
This bundle has high unused code — code-split or tree-shake to ship only what executes.
Source: web.dev / Lighthouse coverage
DPage Weight InventoryAction43 resources · 1.3 MB · 482 KB savings availableFIX
~482.2 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 43 resources | 1.3 MiB | ||||||
DHTTP CachingActionno-store (uncacheable)FIX
no-store
| Directive | Value | Meaning |
|---|---|---|
| no-store | — | Never cache this response |
BPage Weight Budget1.3 MB transferred, 43 requestsREVIEW
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.
Source: web.dev
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Text CompressionAll text resources are compressedPASS
AImage Optimization2 images, 0 KB saveablePASS
Set explicit width and height to prevent CLS.
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
A+JS Execution Cost362ms total JS executionPASS
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://cdn.signalfx.com/o11y-gdi-rum/v1.1.1/splunk-otel-web.js | 125ms | 106ms | 8ms | 3rd |
| https://www.fairmont.com/select-country.html | 120ms | 17ms | 1ms | 3rd |
| Unattributable | 116ms | 25ms | 0ms | 3rd |
A+Font Loading2 fonts (182 KB)PASS
Web fonts
2
182 KB total
Render-blocking
0
of 2
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
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 CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
Network Waterfall43 requests over 1381msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
cdn.signalfx.com cdn.signalfx.com | Other | 125ms | 88 KB | 44% | €1/mo | Optional |
www.fairmont.com www.fairmont.com | Other | 120ms | 30 KB | — | €1/mo | Optional |
Unattributable Unattributable | Other | 116ms | 0 KB | — | €1/mo | Optional |
100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.
When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.
Learn more ▾ ▴
Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.
Source: web.dev