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.
1.29 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.81 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
2.24 s
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.143
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
3.10 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.
8.40 s
Page Load Progression
FPage Weight BudgetAction5.0 MB transferred, 221 requestsFIX
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
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.
Source: web.dev
Subset fonts to include only used characters, or switch to system font stacks.
Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).
Source: web.dev font loading
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.
Source: web.dev
DThird-Party ImpactAction100% third-party, 0 ms blockingFIX
FJS Execution CostAction8979ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://secure1.bac-assets.com/sparta/client/helper/spa-assets/components/utilities/client-helper/behbio/vendb/6.0.0/js/vendb.js | 1482ms | 837ms | 65ms | 3rd |
| https://secure1.bac-assets.com/spa/widgets/gt-nav-unauth-secure-bofa-widget/1.0.0/spa-assets/js/vendors/vue-router-d4cf5d1529548448f28b.m.js | 1037ms | 709ms | 2ms | 3rd |
| https://www.bankofamerica.com/ | 985ms | 10ms | 5ms | 3rd |
| Unattributable | 696ms | 51ms | 0ms | 3rd |
| https://secure.bankofamerica.com/login/rest/sas/sparta/iac | 532ms | 160ms | 1ms | 3rd |
| https://www1.bac-assets.com//homepage/spa-assets/js/pages/homepage-dap-es6-page-8bf7670bc53e0683a2a0.m.js | 474ms | 309ms | 40ms | 3rd |
| https://dull.bankofamerica.com/boaa/porte.js | 408ms | 394ms | 9ms | 3rd |
| https://www1.bac-assets.com//homepage/spa-assets/js/common-chunks/common-es6-components-e14aeb843779f77644fb.m.js | 399ms | 236ms | 100ms | 3rd |
| https://aero.bankofamerica.com/30306/kurt.js | 390ms | 365ms | 6ms | 3rd |
| https://secure1.bac-assets.com/spa/widgets/gt-search-public-widget/1.0.0/spa-assets/js/common-chunks/common-es6-components-8af9c6c542b44fc16f62.m.js | 337ms | 209ms | 119ms | 3rd |
Showing top 10 of 24 scripts
FJS BundlesAction59 scripts, 1.4 MB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://www1.bac-assets.com//homepage/spa-assets/js/common-chunks/common-es6-components-e14aeb843779f77644fb.m.js | 478 KB | 310 KB (65%) | ✓ | 3rd |
| https://secure1.bac-assets.com/spa/widgets/gt-nav-unauth-secure-bofa-widget/1.0.0/spa-assets/js/common-chunks/common-es6-components-6682e22e867c9ea46245.m.js | 388 KB | 195 KB (50%) | ✓ | 3rd |
| https://secure1.bac-assets.com/spa/widgets/gt-search-public-widget/1.0.0/spa-assets/js/common-chunks/common-es6-components-8af9c6c542b44fc16f62.m.js | 292 KB | 144 KB (50%) | ✓ | 3rd |
| https://secure1.bac-assets.com/spa/widgets/gt-footer-unauth-secure-bofa-widget/1.0.0/spa-assets/js/common-chunks/common-es6-components-bcd7ebc2f6fe947ddc86.m.js | 328 KB | 129 KB (39%) | ✓ | 3rd |
| https://secure1.bac-assets.com/spa/widgets/gt-secure-fdic-widget/1.0.0/spa-assets/js/common-chunks/common-es6-components-a7a42deebd93fdcef628.m.js | 244 KB | 107 KB (44%) | ✓ | 3rd |
| https://www1.bac-assets.com//homepage/spa-assets/js/pages/homepage-dap-es6-page-8bf7670bc53e0683a2a0.m.js | 214 KB | 96 KB (45%) | ✓ | 3rd |
| https://tags.tiqcdn.com/utag/bofa/globals/consprod1/utag.1.js?utv=ut4.48.202603212148 | 135 KB | 74 KB (55%) | ✓ | 3rd |
| https://secure1.bac-assets.com/spa/widgets/gt-nav-unauth-secure-bofa-widget/1.0.0/spa-assets/js/pages/gt-nav-unauth-secure-bofa-widget-1.0.0-es6-page-b0ae716dfa492dadbe9f.m.js | 90 KB | 68 KB (76%) | ✓ | 3rd |
| https://cdn.cookielaw.org/scripttemplates/202601.1.0/otBannerSdk.js | 127 KB | 67 KB (53%) | ✓ | 3rd |
| https://tags.tiqcdn.com/utag/bofa/main/prod1/utag.js | 114 KB | 56 KB (49%) | ✓ | 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
FPage Weight InventoryAction221 resources · 5.0 MB · 1.4 MB savings availableFIX
~1.4 MiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 221 resources | 5.0 MiB | ||||||
CImage OptimizationAction47 images, 0 KB saveableREVIEW
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
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
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
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
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
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
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
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
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Text CompressionAll text resources are compressedPASS
A+Font Loading23 fonts (317 KB)PASS
Web fonts
23
317 KB total
Render-blocking
0
of 23
Dominant font-display
swap
Most common across fonts
Font loading timeline
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)
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
AHTTP Cachingmax-age=3600 (1 hour)PASS
max-age=3600
| Directive | Value | Meaning |
|---|---|---|
| max-age | 3600 | Cache for 1 hour |
Network Waterfall221 requests over 10955msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
secure1.bac-assets.com secure1.bac-assets.com | Other | 1482ms | 237 KB | 23% | $26/mo | Costly |
secure1.bac-assets.com secure1.bac-assets.com | Other | 1037ms | 14 KB | — | $18/mo | Costly |
www.bankofamerica.com www.bankofamerica.com | Other | 985ms | 52 KB | — | $17/mo | Costly |
Unattributable Unattributable | Other | 696ms | 0 KB | — | $12/mo | Costly |
secure.bankofamerica.com secure.bankofamerica.com | Other | 532ms | 18 KB | — | $9/mo | Costly |
www1.bac-assets.com www1.bac-assets.com | Other | 474ms | 214 KB | 45% | $8/mo | Costly |
dull.bankofamerica.com dull.bankofamerica.com | Other | 408ms | 149 KB | — | $7/mo | Costly |
www1.bac-assets.com www1.bac-assets.com | Other | 399ms | 478 KB | 65% | $7/mo | Costly |
aero.bankofamerica.com aero.bankofamerica.com | Other | 390ms | 53 KB | — | $7/mo | Costly |
secure1.bac-assets.com secure1.bac-assets.com | Other | 337ms | 292 KB | 50% | $6/mo | Costly |
OneTrust cdn.cookielaw.org | Consent | 307ms | 127 KB | 53% | $5/mo | Essential |
secure1.bac-assets.com secure1.bac-assets.com | Other | 299ms | 244 KB | 44% | $5/mo | Costly |
www1.bac-assets.com www1.bac-assets.com | Other | 241ms | 50 KB | 100% | $4/mo | Costly |
secure1.bac-assets.com secure1.bac-assets.com | Other | 239ms | 14 KB | — | $4/mo | Costly |
secure1.bac-assets.com secure1.bac-assets.com | Other | 192ms | 388 KB | 50% | $3/mo | Optional |
secure1.bac-assets.com secure1.bac-assets.com | Other | 150ms | 328 KB | 39% | $3/mo | Optional |
tags.tiqcdn.com tags.tiqcdn.com | Other | 146ms | 135 KB | 55% | $3/mo | Optional |
tags.tiqcdn.com tags.tiqcdn.com | Other | 139ms | 114 KB | 49% | $2/mo | Optional |
boss.bankofamerica.com boss.bankofamerica.com | Other | 133ms | 40 KB | — | $2/mo | Optional |
boss.bankofamerica.com boss.bankofamerica.com | Other | 93ms | 37 KB | — | $2/mo | Optional |
secure1.bac-assets.com secure1.bac-assets.com | Other | 88ms | 7 KB | — | $2/mo | Optional |
rail.bankofamerica.com rail.bankofamerica.com | Other | 78ms | 38 KB | — | $1/mo | Optional |
boss.bankofamerica.com boss.bankofamerica.com | Other | 75ms | 37 KB | — | $1/mo | Optional |
dull.bankofamerica.com dull.bankofamerica.com | Other | 59ms | 1 KB | — | $1/mo | Optional |
These scripts may cost more than they're worth
- secure1.bac-assets.com adds 1482ms and costs ~$26/month
- secure1.bac-assets.com adds 1037ms and costs ~$18/month
- www.bankofamerica.com adds 985ms and costs ~$17/month
- Unattributable adds 696ms and costs ~$12/month
- secure.bankofamerica.com adds 532ms and costs ~$9/month
- www1.bac-assets.com adds 474ms and costs ~$8/month
- dull.bankofamerica.com adds 408ms and costs ~$7/month
- www1.bac-assets.com adds 399ms and costs ~$7/month
- aero.bankofamerica.com adds 390ms and costs ~$7/month
- secure1.bac-assets.com adds 337ms and costs ~$6/month
- secure1.bac-assets.com adds 299ms and costs ~$5/month
- www1.bac-assets.com adds 241ms and costs ~$4/month
- secure1.bac-assets.com adds 239ms and costs ~$4/month
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
secure1.bac-assets.com takes 1482ms 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
secure1.bac-assets.com takes 1037ms 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
www.bankofamerica.com takes 985ms 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
Unattributable takes 696ms 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
secure.bankofamerica.com takes 532ms 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
www1.bac-assets.com takes 474ms 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
dull.bankofamerica.com takes 408ms 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
www1.bac-assets.com takes 399ms 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
65% of www1.bac-assets.com's code is unused. The script may be loading features you don't use.
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
aero.bankofamerica.com takes 390ms 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
secure1.bac-assets.com takes 337ms 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
53% of OneTrust's code is unused. The script may be loading features you don't use.
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
secure1.bac-assets.com takes 299ms 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
www1.bac-assets.com takes 241ms 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
100% of www1.bac-assets.com's code is unused. The script may be loading features you don't use.
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
secure1.bac-assets.com takes 239ms 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
50% of secure1.bac-assets.com's code is unused. The script may be loading features you don't use.
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev
55% of tags.tiqcdn.com's code is unused. The script may be loading features you don't use.
Bundle has high unused-code ratio — tree-shaking and route-splitting recover the wasted bytes.
Source: web.dev