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Performance

· 26 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
81
GRADE
B
FIX
5
REVIEW
5
PASS
13
INFO
3

Performance-focused optimization plan with CWV assessment, top offenders, and time estimates

Mobile Desktop
53
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
87
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
85
SEO Measures basic SEO optimizations: meta tags, crawlability, link text, and mobile friendliness.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

4.21 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

10.54 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

344 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.

6.25 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.

11.70 s

Page Load Progression

375 ms
750 ms
1.1 s
1.5 s
1.9 s
2.2 s
2.6 s
3.0 s
Checks
26
13 PASS 5 REVIEW 5 FIX
F
Page Weight Budget
Action
2.6 MB transferred, 59 requests
FIX
2.6 MB transferred, 59 requests
Warning::
Page weighs 4.0 MB (2.6 MB transferred)
Warning::
Images are 1.7 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.7 MB
Info::
Fonts are 293 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 293 KB
Info::
59 HTTP requests
Info::
Estimated 0.54 g CO2 per page load
2.6 MB / 2.4 MB budget
2.6 MB transferred
59 requests
0.54 g CO2 per page load
Images 1.7 MiB 64%
JavaScript 476.2 KiB 18%
Fonts 292.9 KiB 11%
CSS 154.7 KiB 6%
HTML 16.7 KiB 1%
Other 11.1 KiB 0%
Other 2.6 KiB 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Over budget

Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.

Why this matters

Image bandwidth is high — modern formats (WebP/AVIF) and resizing typically cut it 50%+.

Source: web.dev

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).

Source: web.dev font loading

D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (2.6 MiB of 2.6 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
2585ms total JS execution
FIX
2585ms total JS execution
Warning::
https://www.rtx.com/: 823ms CPU time
Warning::
https://prd-sc102-cdn.rtx.com/-/media/base-themes/...: 531ms CPU time
Warning::
Unattributable: 392ms CPU time
Warning::
https://www.rtx.com/cdn-cgi/challenge-platform/scr...: 354ms CPU time
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-KTM...: 291ms CPU time
Warning::
Third-party scripts: 2193ms (85% of total)

Main Thread Breakdown

Script Evaluation 45% Other 25% Style & Layout 16% Script Parsing & Compilation 6% Parse HTML & CSS 4% Rendering 3%
ScriptTotalScriptingParse/CompileParty
https://www.rtx.com/823ms61ms4ms3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-core-libraries/scripts/optimized-min.js?rev=8c70cd9ee5e44de1914b4ff8732be165&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T032859Z&hash=54D2544C8C537EC0BFB9D221529287F7531ms360ms62ms3rd
Unattributable392ms7ms0ms1st
https://www.rtx.com/cdn-cgi/challenge-platform/scripts/jsd/main.js354ms342ms2ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-KTM8HMD291ms243ms45ms3rd
https://prd-sc102-cdn.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/scripts/pre-optimized-min.js?rev=5d7aa2849d3c48d8a9be48f93a1ef01f&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260709T121517Z&hash=3936F2314B10C4451A380E71AC853CC7133ms78ms8ms3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-third-party-components-themes/scripts/optimized-min.js?rev=dc3650ae47b84cf78241f57ffe3e7036&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T032906Z&hash=5F093E6F8CEFC5DA2223B2D4E855667961ms35ms26ms3rd
D
Page Weight Inventory
Action
59 resources · 2.6 MB · 256 KB savings available
FIX
59 resources · 2.6 MB · 256 KB savings available
Warning::
Page weight 2.6 MB exceeds 1 MB target by 1.6 MB
Got: 2.6 MB Expected: ≤ 1 MB
Info::
~256 KB of savings available
Warning::
58 third-party resources (100% of weight)
Info::
3 resources over 200KB
59 resources · 2.6 MiB · 58 third-party 1.6 MiB over 1MB target
Image 64% · 1.7 MiB
JavaScript 18% · 476.2 KiB
Font 11% · 292.9 KiB
CSS 6% · 154.7 KiB
Document 1% · 17.1 KiB
Other 0% · 3.0 KiB

~256.5 KiB of savings available

Remove unused JavaScript: 256.5 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

B
Image Optimization
16 images, 0 KB saveable
REVIEW
16 images, 0 KB saveable
Warning::
https://prd-sc102-cdn.rtx.com/-/media/themes/rayth... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
16 images 1.7 MB
0 oversized -0 KB
14 legacy format
1 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

C
JS Bundles
Action
15 scripts, 256 KB unused
REVIEW
15 scripts, 256 KB unused
Warning::
https://prd-sc102-cdn.rtx.com/-/media/base-themes/...: 142 KB unused (76%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-KTM...: 66 KB unused (46%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://prd-sc102-cdn.rtx.com/-/media/base-themes/...: 48 KB unused (78%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 256 KB
256 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-core-libraries/scripts/optimized-min.js?rev=8c70cd9ee5e44de1914b4ff8732be165&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T032859Z&hash=54D2544C8C537EC0BFB9D221529287F7189 KB142 KB (76%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-KTM8HMD143 KB66 KB (46%)✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-third-party-components-themes/scripts/optimized-min.js?rev=dc3650ae47b84cf78241f57ffe3e7036&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T032906Z&hash=5F093E6F8CEFC5DA2223B2D4E855667964 KB48 KB (78%)✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/scroll-lock/scripts/optimized-min.js?rev=69dcd48f532f411bb53da17e132bf355&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T032911Z&hash=FB598262ED1E8BACA8AB59A786C9138F4 KB—✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/sc-main-theme-js/scripts/optimized-min.js?rev=9fbe149992f246da85ba08f890d9f139&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T032901Z&hash=40F2D73F20EC40CD4570901BE827B9381 KB—✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/xa-api/scripts/optimized-min.js?rev=56dc7c545483448fbb6ff1d8ddce9522&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T032900Z&hash=1D0DD2E86C2AB49D2DA6C52FE895F3DA4 KB—✓3rd
https://www.rtx.com/layouts/system/VisitorIdentification.js1 KB—✓3rd
https://ipmeta.io/plugin.js5 KB—✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-gdpr/scripts/optimized-min.js?rev=b7b4fcc119b644d69ba2a442272231c8&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T032908Z&hash=5908F897EB7FD0249DEE662F0683F20F7 KB—✓3rd
https://prd-sc102-cdn.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/scripts/pre-optimized-min.js?rev=5d7aa2849d3c48d8a9be48f93a1ef01f&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260709T121517Z&hash=3936F2314B10C4451A380E71AC853CC79 KB—✓3rd

Consider code splitting or tree shaking to reduce unused code.

Why this matters

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.

Why this matters

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.

Why this matters

This bundle has high unused code — code-split or tree-shake to ship only what executes.

Source: web.dev / Lighthouse coverage

B
HTTP/3 (QUIC)
HTTP/3 not advertised
REVIEW
HTTP/3 not advertised
Info::
HTTP/3 (QUIC) is not advertised
HTTP/3 isn't advertised via Alt-Svc and the worker didn't negotiate h3. HTTP/3 reduces handshake latency (1-RTT instead of 2-3 RTTs) and is more resilient on lossy connections. Most modern CDNs (Cloudflare, Fastly, AWS CloudFront, Google Cloud CDN) support HTTP/3 with a single config switch -- consider enabling for mobile-heavy workloads.
B
Main HTML Cache-Control
No Cache-Control header on main HTML response
REVIEW
No Cache-Control header on main HTML response
Info::
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
JavaScript Blocking
1 JS blocking issue(s) detected
REVIEW
1 JS blocking issue(s) detected
Warning::
12 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.
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+
Font Loading
7 fonts (293 KB)
PASS
7 fonts (293 KB)
Info::
7 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

7

293 KB total

Render-blocking

0

of 7

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s FCP 4.2 s LCP 10.5 shttps://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_Bd.woff2ObjektivMk2_W_Bd.woff2 https://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_Bd.woff2 — 41.8 KiB — 180 ms — font-display: swaphttps://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_It.woff2ObjektivMk2_W_It.woff2 https://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_It.woff2 — 44.1 KiB — 192 ms — font-display: swaphttps://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_Lt.woff2ObjektivMk2_W_Lt.woff2 https://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_Lt.woff2 — 42.2 KiB — 155 ms — font-display: swaphttps://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_LtIt.woff2ObjektivMk2_W_LtIt.woff2 https://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_LtIt.woff2 — 45.1 KiB — 191 ms — font-display: swaphttps://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_Rg.woff2ObjektivMk2_W_Rg.woff2 https://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_Rg.woff2 — 40.4 KiB — 191 ms — font-display: swaphttps://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0fontawesome-webfont.woff2 https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0 — 76.0 KiB — 100 ms — font-display: swaphttps://prd-sc102-cdn.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/fonts/icomoon-ttf.ttf?arqsueicomoon-ttf.ttf https://prd-sc102-cdn.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/fonts/icomoon-ttf.ttf?arqsue — 3.4 KiB — 42 ms — font-display: swap
ObjektivMk2_W_Bd.woff2 woff2 swap
Size 42 KB
Load time 180 ms
Start 758 ms
Risk FOUT — text flashes from fallback to web font
ObjektivMk2_W_It.woff2 woff2 swap
Size 44 KB
Load time 192 ms
Start 758 ms
Risk FOUT — text flashes from fallback to web font
ObjektivMk2_W_Lt.woff2 woff2 swap
Size 42 KB
Load time 155 ms
Start 759 ms
Risk FOUT — text flashes from fallback to web font
ObjektivMk2_W_LtIt.woff2 woff2 swap
Size 45 KB
Load time 191 ms
Start 759 ms
Risk FOUT — text flashes from fallback to web font
ObjektivMk2_W_Rg.woff2 woff2 swap
Size 40 KB
Load time 191 ms
Start 759 ms
Risk FOUT — text flashes from fallback to web font
fontawesome-webfont.woff2 unknown swap
Size 76 KB
Load time 100 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
icomoon-ttf.ttf ttf swap
Size 3 KB
Load time 42 ms
Start 1.1 s
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
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 ~24 KB and ~48 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
5 hints, 0 missing preconnects
PASS
5 hints, 0 missing preconnects
Info::
Page uses 5 resource hint(s)

Current Resource Hints

preconnect
—
preload
5
dns-prefetch
—
prefetch
—

5 resource hints configured

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-Timing Observability
1 Server-Timing entries advertised
PASS
1 Server-Timing entries advertised
Info::
Server-Timing header advertises 1 timing entries
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).
Info::
No `ETag` or `Last-Modified` -- conditional GET not supported
Without either header, browsers can't issue conditional GETs and refresh always re-downloads the full response body even when nothing changed. Add `ETag: "<hash>"` (or `Last-Modified: <date>`) on cacheable responses; the server returns 304 Not Modified when the client's cached copy is still valid, saving bandwidth.
A+
Render-Blocking Resources
No render-blocking resources detected
PASS
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+
Third-Party Resources
No third-party resources detected
PASS
No third-party resources detected
A
CSS Performance Depth
1 CSS depth issue(s) detected
PASS
1 CSS depth issue(s) detected
Warning::
10 render-blocking stylesheet(s) -- recommended: <=3
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.
A+
Green Hosting
Whether the site is served from green-energy infrastructure
PASS

Green Hosting

This site is hosted on green energy infrastructure

Provider: Cloudflare

Network Waterfall
59 requests over 1888ms
INFO
0 ms 2.0 s 4.0 s 6.0 s 8.0 s 10.0 s FCP 4.2 s LCP 10.5 shttps://rtx.com// https://rtx.com/ — 301 — 394 B — 67 ms — h2https://www.rtx.com/www.rtx.com/ https://www.rtx.com/ — 200 — 16.7 KiB — 731 ms — h2https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-third-party-components-themes/styles/pre-optimized-min.css?rev=ed3e10e00a6d49f59d28393551c94334&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20231122T171254Z&hash=6B852A56E26F35B1CA5124FD81C63CD1prd-sc102-cdn.rtx.com/-/media/base-... https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-third-party-components-themes/styles/pre-optimized-min.css?rev=ed3e10e00a6d49f59d28393551c94334&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20231122T171254Z&hash=6B852A56E26F35B1CA5124FD81C63CD1 — 200 — 7.2 KiB — 110 ms — h2https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-gdpr/styles/pre-optimized-min.css?rev=767f7fdbc15e4d7682cfe7ba309229d6&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20220725T092858Z&hash=19AEF7772C8022000ABA3C821353F04Cprd-sc102-cdn.rtx.com/-/media/base-... https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-gdpr/styles/pre-optimized-min.css?rev=767f7fdbc15e4d7682cfe7ba309229d6&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20220725T092858Z&hash=19AEF7772C8022000ABA3C821353F04C — 200 — 5.6 KiB — 87 ms — h2https://prd-sc102-cdn.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/styles/pre-optimized-min.css?rev=fae6e93aabd542f789471abf9e1b7329&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T035959Z&hash=3AB877322ECBB7D8E9CED9A10F1214FEprd-sc102-cdn.rtx.com/-/media/theme... https://prd-sc102-cdn.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/styles/pre-optimized-min.css?rev=fae6e93aabd542f789471abf9e1b7329&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260718T035959Z&hash=3AB877322ECBB7D8E9CED9A10F1214FE — 200 — 30.1 KiB — 109 ms — h2https://prd-sc102-cdn.rtx.com/-/media/base-themes/news-template/styles/pre-optimized-min.css?rev=c118412b42c347d79216b7b8ed110de7&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20230810T104401Z&hash=3C339B20D5EB8BAF94D09334953A38EAprd-sc102-cdn.rtx.com/-/media/base-... https://prd-sc102-cdn.rtx.com/-/media/base-themes/news-template/styles/pre-optimized-min.css?rev=c118412b42c347d79216b7b8ed110de7&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20230810T104401Z&hash=3C339B20D5EB8BAF94D09334953A38EA — 200 — 5.2 KiB — 71 ms — h2https://prd-sc102-cdn.rtx.com/-/media/base-themes/cards/styles/pre-optimized-min.css?rev=7bf762a2c61f42158900d0eee724e96a&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20250514T055017Z&hash=633332E9DAC3B099CC5780C89D6524CAprd-sc102-cdn.rtx.com/-/media/base-... https://prd-sc102-cdn.rtx.com/-/media/base-themes/cards/styles/pre-optimized-min.css?rev=7bf762a2c61f42158900d0eee724e96a&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20250514T055017Z&hash=633332E9DAC3B099CC5780C89D6524CA — 200 — 9.5 KiB — 76 ms — h2https://prd-sc102-cdn.rtx.com/-/media/extension-themes/rtx-colors/styles/pre-optimized-min.css?rev=d1f782d3c7d8459fa90c714f5f70dead&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260706T122335Z&hash=AD86C50659CE21AAED92DFE3C52F9C80prd-sc102-cdn.rtx.com/-/media/exten... https://prd-sc102-cdn.rtx.com/-/media/extension-themes/rtx-colors/styles/pre-optimized-min.css?rev=d1f782d3c7d8459fa90c714f5f70dead&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260706T122335Z&hash=AD86C50659CE21AAED92DFE3C52F9C80 — 200 — 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https://prd-sc102-cdn.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/fonts/icomoon-ttf.ttf?arqsue — 200 — 3.4 KiB — 42 ms — h2https://prd-sc102-cdn.rtx.com/-/media/rtx/airshow/home/34d4ff1aba34c88a5eb262e48e6a7284e222d04a.jpg?w=320&rev=182fdf88eaef48a19423c57e833bbe77&rid=3c10bf193cd441d78c26f722a4c0dd72&hash=E10489D0498985AE784CFF186A13B4FBprd-sc102-cdn.rtx.com/-/media/rtx/a... https://prd-sc102-cdn.rtx.com/-/media/rtx/airshow/home/34d4ff1aba34c88a5eb262e48e6a7284e222d04a.jpg?w=320&rev=182fdf88eaef48a19423c57e833bbe77&rid=3c10bf193cd441d78c26f722a4c0dd72&hash=E10489D0498985AE784CFF186A13B4FB — 200 — 22.2 KiB — 58 ms — h2https://prd-sc102-cdn.rtx.com/-/media/rtx/airshow/protecting-world/searam_1920x1080.jpg?rev=e82ada9f74aa4f7d9d6a751525ef0d17&rid=3c10bf193cd441d78c26f722a4c0dd72&w=1180&hash=8A2C41DF6A71E5671447093E8B36DE41prd-sc102-cdn.rtx.com/-/media/rtx/a... https://prd-sc102-cdn.rtx.com/-/media/rtx/airshow/protecting-world/searam_1920x1080.jpg?rev=e82ada9f74aa4f7d9d6a751525ef0d17&rid=3c10bf193cd441d78c26f722a4c0dd72&w=1180&hash=8A2C41DF6A71E5671447093E8B36DE41 — 200 — 60.1 KiB — 57 ms — h2https://prd-sc102-cdn.rtx.com/-/media/rtx/airshow/1e998c39-32fa-4973-9df2-8c41fb9d3deb.jpg?rev=97b42b6a5d9a477eaba6b2f47e99f59c&rid=fb94abda39a84718ad84a450293fe7b7&w=488&hash=7B537211BAC7D7746330C2A85A2DF0ADprd-sc102-cdn.rtx.com/-/media/rtx/a... https://prd-sc102-cdn.rtx.com/-/media/rtx/airshow/1e998c39-32fa-4973-9df2-8c41fb9d3deb.jpg?rev=97b42b6a5d9a477eaba6b2f47e99f59c&rid=fb94abda39a84718ad84a450293fe7b7&w=488&hash=7B537211BAC7D7746330C2A85A2DF0AD — 200 — 56.9 KiB — 39 ms — h2https://www.rtx.com/cdn-cgi/challenge-platform/scripts/jsd/main.jswww.rtx.com/cdn-cgi/challenge-platf... https://www.rtx.com/cdn-cgi/challenge-platform/scripts/jsd/main.js — 302 — 398 B — 66 ms — h2https://www.rtx.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0da9f4911ba/main.js?www.rtx.com/cdn-cgi/challenge-platf... https://www.rtx.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0da9f4911ba/main.js? — 200 — 9.9 KiB — 26 ms — h2https://www.rtx.com/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0da9f4911ba/0.37128900427003675:1785092427:ABCC78LVdoqBONjUJOtoqEjNd6guu9m9IEjXCzEnz9g/a215d9c66851a289www.rtx.com/cdn-cgi/challenge-platf... https://www.rtx.com/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0da9f4911ba/0.37128900427003675:1785092427:ABCC78LVdoqBONjUJOtoqEjNd6guu9m9IEjXCzEnz9g/a215d9c66851a289 — 200 — 1.2 KiB — 43 ms — h2https://stockfeed.rtxapps.com/api/getbysymbol/rtx?_=1622730584390stockfeed.rtxapps.com/api/getbysymb... https://stockfeed.rtxapps.com/api/getbysymbol/rtx?_=1622730584390 — 204 — 0 B — 258 ms — h2https://www.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/images/rtx-balck-favicon.png?rev=3da99ab1a2a54dca92c98a2ede690339&rid=e3e3f4840c2742cc9f36e2d33430c8cdwww.rtx.com/-/media/themes/raytheon... https://www.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/images/rtx-balck-favicon.png?rev=3da99ab1a2a54dca92c98a2ede690339&rid=e3e3f4840c2742cc9f36e2d33430c8cd — 200 — 10.3 KiB — 30 ms — h2https://stockfeed.rtxapps.com/api/getbysymbol/rtx?_=1622730584390stockfeed.rtxapps.com/api/getbysymb... https://stockfeed.rtxapps.com/api/getbysymbol/rtx?_=1622730584390 — 200 — 1.1 KiB — 120 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
85% of JavaScript execution is third-party
First-party Third-party 2193ms · 422KB · €35/mo
www.rtx.com
Other
Costly
Execution 823ms
Transfer 17 KB
Monthly Cost €13/mo
prd-sc102-cdn.rtx.com
Other
Costly
Execution 531ms
Transfer 189 KB
Unused 76%
Monthly Cost €8/mo
www.rtx.com
Other
Costly
Execution 354ms
Transfer 0 KB
Monthly Cost €6/mo
Google Tag Manager
Tag Manager
Costly
Execution 291ms
Transfer 143 KB
Unused 46%
Monthly Cost €5/mo
prd-sc102-cdn.rtx.com
Other
Optional
Execution 133ms
Transfer 9 KB
Monthly Cost €2/mo
prd-sc102-cdn.rtx.com
Other
Optional
Execution 61ms
Transfer 64 KB
Unused 78%
Monthly Cost €1/mo

These scripts may cost more than they're worth

  • www.rtx.com adds 823ms and costs ~€13/month
  • prd-sc102-cdn.rtx.com adds 531ms and costs ~€8/month
  • www.rtx.com adds 354ms and costs ~€6/month
  • Google Tag Manager adds 291ms and costs ~€5/month

85% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.

Why this matters

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

www.rtx.com takes 823ms 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

prd-sc102-cdn.rtx.com takes 531ms 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

76% of prd-sc102-cdn.rtx.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

www.rtx.com takes 354ms 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

Google Tag Manager takes 291ms 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

78% of prd-sc102-cdn.rtx.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

How third-party costs are calculated

Image Optimization
18 images, 0 KB total, 0 KB wasted
INFO

Image Optimization Audit

Total Images

18

Total Size

0 KB

Oversized

2

2 missing alt text 1 missing dimensions 4 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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