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.
658 ms
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
1.30 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
72 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.192
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
696 ms
Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.
1.90 s
Page Load Progression
BPage Weight Budget1.5 MB transferred, 41 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
BImage Optimization26 images, 0 KB saveableREVIEW
CJS Execution CostAction1072ms total JS executionREVIEW
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.house.gov/ruxitagentjs_ICA7NQVfqrux_10331260218130851.js | 304ms | 267ms | 10ms | 1st |
| https://www.house.gov/sites/default/files/js/js_yLfC_csMovnaXacCikH96zR8H2WU2TocOq1F97fQZRE.js?scope=footer&delta=1&language=en&theme=housegov&include=eJxtjlESgzAIRC8k5kgORoyZJiED2NbbN-1o04_-LW93Ac9CznOuXKiYjhvvSoHvAB8FsYCSauQyND_aMQmtk-E8rSwZzUgces-ytEhnAz0txXJzi-wV03iOw7XezcymJlihdanzkHjGBGpHy4fON85UMRC00_qLz3c9ylumP9ZV7RY_0rfwAkQKZbc | 277ms | 145ms | 10ms | 1st |
| https://www.house.gov/ | 204ms | 6ms | 1ms | 1st |
| https://www.googletagmanager.com/gtm.js?id=GTM-TQX94K2 | 106ms | 78ms | 21ms | 3rd |
| Unattributable | 100ms | 6ms | 0ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-65K8PR1QER&cx=c>m=4e64h1 | 79ms | 64ms | 14ms | 3rd |
CJS BundlesAction6 scripts, 227 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtm.js?id=GTM-TQX94K2 | 167 KB | 73 KB (44%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-65K8PR1QER&cx=c>m=4e64h1 | 145 KB | 63 KB (44%) | ✓ | 3rd |
| https://www.house.gov/ruxitagentjs_ICA7NQVfqrux_10331260218130851.js | 107 KB | 50 KB (47%) | ✓ | 1st |
| https://www.house.gov/sites/default/files/js/js_yLfC_csMovnaXacCikH96zR8H2WU2TocOq1F97fQZRE.js?scope=footer&delta=1&language=en&theme=housegov&include=eJxtjlESgzAIRC8k5kgORoyZJiED2NbbN-1o04_-LW93Ac9CznOuXKiYjhvvSoHvAB8FsYCSauQyND_aMQmtk-E8rSwZzUgces-ytEhnAz0txXJzi-wV03iOw7XezcymJlihdanzkHjGBGpHy4fON85UMRC00_qLz3c9ylumP9ZV7RY_0rfwAkQKZbc | 85 KB | 41 KB (48%) | ✓ | 1st |
| https://www.house.gov/core/assets/vendor/jquery/jquery.min.js?v=4.0.0 | 28 KB | — | ✓ | 1st |
| https://www.house.gov/ruxitagentjs_D_10331260218130851.js | 1 KB | — | ✓ | 1st |
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
CPage Weight InventoryAction41 resources · 1.5 MB · 227 KB savings availableREVIEW
~226.5 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 41 resources | 1.5 MiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
AThird-Party Impact20% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
A+Font LoadingNo web fonts (system fonts)PASS
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+HTTP Cachingmax-age=526 (8 minutes)PASS
public, private, max-age=526
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| private | — | Only browser cache, not CDN/proxy |
| max-age | 526 | Cache for 8 minutes |
Network Waterfall41 requests over 4769msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Google Tag Manager www.googletagmanager.com | Tag Manager | 106ms | 167 KB | 44% | $1/mo | Optional |
Unattributable Unattributable | Other | 100ms | 0 KB | — | $1/mo | Optional |
Google Tag Manager www.googletagmanager.com | Tag Manager | 79ms | 145 KB | 44% | $1/mo | Optional |