Performance
· 17 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.
2.79 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
8.21 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
1.84 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.258
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
6.44 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.
9.71 s
Page Load Progression
FJS Execution CostAction5296ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.house.gov/ruxitagentjs_ICA7NQVfqrux_10331260218130851.js | 2454ms | 2204ms | 41ms | 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 | 971ms | 532ms | 38ms | 1st |
| https://www.house.gov/ | 797ms | 24ms | 4ms | 1st |
| Unattributable | 376ms | 34ms | 0ms | 3rd |
| https://www.googletagmanager.com/gtm.js?id=GTM-TQX94K2 | 355ms | 276ms | 77ms | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-65K8PR1QER&cx=c>m=4e64k0h2 | 344ms | 246ms | 95ms | 3rd |
BPage Weight Budget1.2 MB transferred, 33 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 Optimization13 images, 0 KB saveableREVIEW
CJS BundlesAction6 scripts, 217 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www.googletagmanager.com/gtm.js?id=GTM-TQX94K2 | 166 KB | 73 KB (44%) | ✓ | 3rd |
| https://www.googletagmanager.com/gtag/js?id=G-65K8PR1QER&cx=c>m=4e64k0h2 | 145 KB | 64 KB (44%) | ✓ | 3rd |
| 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 | 44 KB (52%) | ✓ | 1st |
| https://www.house.gov/ruxitagentjs_ICA7NQVfqrux_10331260218130851.js | 107 KB | 36 KB (34%) | ✓ | 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
BPage Weight Inventory33 resources · 1.2 MB · 217 KB savings availableREVIEW
~216.9 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 33 resources | 1.2 MiB | ||||||
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
AThird-Party Impact25% 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+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
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 Waterfall33 requests over 7648msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 376ms | 0 KB | — | $5/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 355ms | 166 KB | 44% | $5/mo | Costly |
Google Tag Manager www.googletagmanager.com | Tag Manager | 344ms | 145 KB | 44% | $5/mo | Costly |
These scripts may cost more than they're worth
- Unattributable adds 376ms and costs ~$5/month
- Google Tag Manager adds 355ms and costs ~$5/month
- Google Tag Manager adds 344ms and costs ~$5/month
Unattributable takes 376ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
Google Tag Manager takes 355ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev
Google Tag Manager takes 344ms of CPU time. Consider loading it asynchronously or replacing it with a lighter alternative.
This script has high main-thread execution time — optimize hot paths or defer.
Source: web.dev