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Performance

· 22 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
78
GRADE
C
FIX
4
REVIEW
6
PASS
9
INFO
3

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

Mobile Desktop
86
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
97
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
81
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
92
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.

1.19 s

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

1.91 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.

0.005

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

1.86 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.

1.91 s

Page Load Progression

457 ms
914 ms
1.4 s
1.8 s
2.3 s
2.7 s
3.2 s
3.7 s
Checks
22
9 PASS 6 REVIEW 4 FIX
F
Page Weight Budget
Action
37.3 MB transferred, 57 requests
FIX
37.3 MB transferred, 57 requests
Critical::
Page weighs 39.2 MB (37.3 MB transferred)
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::
57 HTTP requests
Info::
Estimated 7.8 g CO2 per page load
37.3 MB / 2.4 MB budget
37.3 MB transferred
57 requests
7.8 g CO2 per page load
Other 35.9 MiB 96%
Images 533.7 KiB 1%
JavaScript 441.9 KiB 1%
Fonts 292.9 KiB 1%
CSS 87.3 KiB 0%
HTML 14.4 KiB 0%
Other 11.1 KiB 0%
Other 2.7 KiB 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Over budget

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 (37.3 MiB of 37.3 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
Page Weight Inventory
Action
57 resources · 37.3 MB · 263 KB savings available
FIX
57 resources · 37.3 MB · 263 KB savings available
Warning::
Page weight 37.3 MB exceeds 1 MB target by 36.3 MB
Got: 37.3 MB Expected: ≤ 1 MB
Info::
~263 KB of savings available
Warning::
56 third-party resources (100% of weight)
Info::
1 resources over 200KB
57 resources · 37.3 MiB · 56 third-party 36.3 MiB over 1MB target
Media 96% · 35.9 MiB
Image 1% · 544.0 KiB
JavaScript 1% · 441.9 KiB
Font 1% · 292.9 KiB
CSS 0% · 87.3 KiB
Document 0% · 14.8 KiB
Other 0% · 3.0 KiB

~263.3 KiB of savings available

Remove unused JavaScript: 263.3 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
15 images, 0 KB saveable
REVIEW
15 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.
15 images 534 KB
0 oversized -0 KB
15 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

B
JS Execution Cost
782ms total JS execution
REVIEW
782ms total JS execution
Warning::
Unattributable: 351ms CPU time
Info::
https://www.rtx.com/: 136ms CPU time
Info::
https://www.googletagmanager.com/gtm.js?id=GTM-KTM...: 129ms CPU time
Info::
https://www.rtx.com/cdn-cgi/challenge-platform/scr...: 97ms CPU time
Info::
https://prd-sc102-cdn.rtx.com/-/media/base-themes/...: 69ms CPU time
Warning::
Third-party scripts: 431ms (55% of total)

Main Thread Breakdown

Other 46% Script Evaluation 38% Style & Layout 8% Script Parsing & Compilation 4%
ScriptTotalScriptingParse/CompileParty
Unattributable351ms3ms0ms1st
https://www.rtx.com/136ms17ms1ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-KTM8HMD129ms105ms15ms3rd
https://www.rtx.com/cdn-cgi/challenge-platform/scripts/jsd/main.js97ms92ms1ms3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-core-libraries/scripts/optimized-min.js?rev=4303a737bfcb4f3ca0de89bfd64711ed&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260603T041749Z&hash=8BBED628A0B1AD0C74EC1CA8AC8816E869ms49ms13ms3rd
C
JS Bundles
Action
13 scripts, 263 KB unused
REVIEW
13 scripts, 263 KB unused
Warning::
https://prd-sc102-cdn.rtx.com/-/media/base-themes/...: 148 KB unused (79%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtm.js?id=GTM-KTM...: 67 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: 263 KB
263 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=4303a737bfcb4f3ca0de89bfd64711ed&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260603T041749Z&hash=8BBED628A0B1AD0C74EC1CA8AC8816E8187 KB148 KB (79%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-KTM8HMD145 KB67 KB (46%)✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-third-party-components-themes/scripts/optimized-min.js?rev=d481a0c91391457b915ee6fb8a80eb00&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260603T041753Z&hash=EDE93899D7A561ADE7C0287AB4B9B0C164 KB48 KB (78%)✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/scroll-lock/scripts/optimized-min.js?rev=0dbb744c2e794485a1fffec816f738c0&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260603T041752Z&hash=839B660AEC06EBC8F95A1FA3E8E29E1A4 KB—✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/sc-main-theme-js/scripts/optimized-min.js?rev=34718a84fd96488d9a8367f0bf59ad7b&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260603T041751Z&hash=1FA7D2690986424619DB3641C4B5A8071 KB—✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/xa-api/scripts/optimized-min.js?rev=eb099950967444d792198f916d9930f4&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260603T041753Z&hash=97FDA5921C767B30EF35CB48CEB0A5E04 KB—✓3rd
https://www.rtx.com/layouts/system/VisitorIdentification.js1 KB—✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/rtx-gdpr/scripts/optimized-min.js?rev=35b607dfa52e40629d60cafc896cab26&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260603T041750Z&hash=C7C6F12656992A157A8045A4A95A67927 KB—✓3rd
https://prd-sc102-cdn.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/scripts/pre-optimized-min.js?rev=424d4a60b5604533b675d952783fc1b1&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260206T150058Z&hash=ACD37A6B44CC065EA416CACE42CAE5E98 KB—✓3rd
https://prd-sc102-cdn.rtx.com/-/media/base-themes/news-template/scripts/pre-optimized-min.js?rev=149b99b68df343b5bd12a21910c39864&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20230816T105112Z&hash=5F19B63364195BB6D6C68E9D62DDDD023 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.
C
Compression Algorithm
Action
Main response served uncompressed
REVIEW
Main response served uncompressed
Info::
Main HTML response has no Content-Encoding (uncompressed)
The main HTML document is served without compression. The Text Compression section above lists the broader picture; for the main response specifically, even gzip would shave ~70-80% off most text payloads.
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.
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 500 ms 1.0 s 1.5 s 2.0 s FCP 1.2 s LCP 1.9 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 — 42.2 KiB — 67 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 — 43.7 KiB — 67 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 — 41.7 KiB — 58 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 — 66 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 — 40.8 KiB — 54 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 — 48 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 — 31 ms — font-display: swap
ObjektivMk2_W_Bd.woff2 woff2 swap
Size 42 KB
Load time 67 ms
Start 349 ms
Risk FOUT — text flashes from fallback to web font
ObjektivMk2_W_It.woff2 woff2 swap
Size 44 KB
Load time 67 ms
Start 349 ms
Risk FOUT — text flashes from fallback to web font
ObjektivMk2_W_Lt.woff2 woff2 swap
Size 42 KB
Load time 58 ms
Start 349 ms
Risk FOUT — text flashes from fallback to web font
ObjektivMk2_W_LtIt.woff2 woff2 swap
Size 45 KB
Load time 66 ms
Start 350 ms
Risk FOUT — text flashes from fallback to web font
ObjektivMk2_W_Rg.woff2 woff2 swap
Size 41 KB
Load time 54 ms
Start 350 ms
Risk FOUT — text flashes from fallback to web font
fontawesome-webfont.woff2 unknown swap
Size 76 KB
Load time 48 ms
Start 901 ms
Risk FOUT — text flashes from fallback to web font
icomoon-ttf.ttf ttf swap
Size 3 KB
Load time 31 ms
Start 902 ms
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
No optimization needed
PASS
No optimization needed
Info::
No resource hint issues
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
2 Server-Timing entries advertised
PASS
2 Server-Timing entries advertised
Info::
Server-Timing header advertises 2 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+
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
57 requests over 2945ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 1.2 s LCP 1.9 shttps://rtx.com// https://rtx.com/ — 301 — 394 B — 32 ms — h2https://www.rtx.com/www.rtx.com/ https://www.rtx.com/ — 200 — 14.4 KiB — 296 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 — 5.4 KiB — 33 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 — 38 ms — h2https://prd-sc102-cdn.rtx.com/-/media/themes/raytheon-technologies/rtx-shared/rtx-theme/styles/pre-optimized-min.css?rev=3c1772c393cf4762aad99fde6f90a8aa&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260305T135600Z&hash=F279DEE0218740B87FBE53A2428BA66Bprd-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=3c1772c393cf4762aad99fde6f90a8aa&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20260305T135600Z&hash=F279DEE0218740B87FBE53A2428BA66B — 200 — 24.7 KiB — 35 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 — 30 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 — 56 ms — h2https://prd-sc102-cdn.rtx.com/-/media/extension-themes/rtx-colors/styles/pre-optimized-min.css?rev=c5a19cfb4ed549168c8b3332526e0955&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20251210T063003Z&hash=72792C334B90686617BCEC8719AA63FDprd-sc102-cdn.rtx.com/-/media/exten... https://prd-sc102-cdn.rtx.com/-/media/extension-themes/rtx-colors/styles/pre-optimized-min.css?rev=c5a19cfb4ed549168c8b3332526e0955&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20251210T063003Z&hash=72792C334B90686617BCEC8719AA63FD — 200 — 23.1 KiB — 51 ms — h2https://prd-sc102-cdn.rtx.com/-/media/base-themes/call-to-action/styles/pre-optimized-min.css?rev=84d2ff54a7924a02b3d5336be231a65b&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20220607T093801Z&hash=C4EB0E35924380DA00775CA9822A0F12prd-sc102-cdn.rtx.com/-/media/base-... https://prd-sc102-cdn.rtx.com/-/media/base-themes/call-to-action/styles/pre-optimized-min.css?rev=84d2ff54a7924a02b3d5336be231a65b&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20220607T093801Z&hash=C4EB0E35924380DA00775CA9822A0F12 — 200 — 1.4 KiB — 40 ms — h2https://prd-sc102-cdn.rtx.com/-/media/base-themes/hero/styles/pre-optimized-min.css?rev=b3add3e993a74c78b8482ea6b35dd5c6&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20231025T093648Z&hash=D58FD89BEBA794F9B8E7914A591EB6AAprd-sc102-cdn.rtx.com/-/media/base-... https://prd-sc102-cdn.rtx.com/-/media/base-themes/hero/styles/pre-optimized-min.css?rev=b3add3e993a74c78b8482ea6b35dd5c6&rid=fe5d7fdf89c04d999aa3b5fbd009c9f3&t=20231025T093648Z&hash=D58FD89BEBA794F9B8E7914A591EB6AA — 200 — 4.6 KiB — 38 ms — h2https://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_Bd.woff2prd-media-assets-cdn.rtx.com/shared... https://prd-media-assets-cdn.rtx.com/shared/fonts/ObjektivMk2_W_Bd.woff2 — 200 — 42.2 KiB — 67 ms — 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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 — 401 B — 50 ms — h2https://www.rtx.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/73f5d73b1f13/main.js?www.rtx.com/cdn-cgi/challenge-platf... https://www.rtx.com/cdn-cgi/challenge-platform/h/g/scripts/jsd/73f5d73b1f13/main.js? — 200 — 10.1 KiB — 23 ms — h2https://stockfeed.rtxapps.com/api/getbysymbol/rtx?_=1622730584390stockfeed.rtxapps.com/api/getbysymb... https://stockfeed.rtxapps.com/api/getbysymbol/rtx?_=1622730584390 — 204 — 0 B — 128 ms — h2https://www.rtx.com/cdn-cgi/challenge-platform/h/g/jsd/oneshot/73f5d73b1f13/0.7761139658323591:1783901120:7sKpEW0qnUsPkRF1wCotYsjfRFTnMfXzWymxKNvPuiQ/a1a42e183ce44b39www.rtx.com/cdn-cgi/challenge-platf... https://www.rtx.com/cdn-cgi/challenge-platform/h/g/jsd/oneshot/73f5d73b1f13/0.7761139658323591:1783901120:7sKpEW0qnUsPkRF1wCotYsjfRFTnMfXzWymxKNvPuiQ/a1a42e183ce44b39 — 200 — 1.2 KiB — 14 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 — 88 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 — 25 ms — h2https://prd-sc102-cdn.rtx.com/-/media/rtx/news-images/campaigns/fia-2026/fia-2026-sizzle---v01.mp4?rev=0da07724f0f8462e80d5b67467379953&rid=e967f4c04ec241e18cd5f53c9954fc25prd-sc102-cdn.rtx.com/-/media/rtx/n... https://prd-sc102-cdn.rtx.com/-/media/rtx/news-images/campaigns/fia-2026/fia-2026-sizzle---v01.mp4?rev=0da07724f0f8462e80d5b67467379953&rid=e967f4c04ec241e18cd5f53c9954fc25 — 206 — 0 B — 6 ms — h2https://prd-sc102-cdn.rtx.com/-/media/rtx/news-images/campaigns/fia-2026/fia-2026-sizzle---v01.mp4?rev=0da07724f0f8462e80d5b67467379953&rid=e967f4c04ec241e18cd5f53c9954fc25prd-sc102-cdn.rtx.com/-/media/rtx/n... https://prd-sc102-cdn.rtx.com/-/media/rtx/news-images/campaigns/fia-2026/fia-2026-sizzle---v01.mp4?rev=0da07724f0f8462e80d5b67467379953&rid=e967f4c04ec241e18cd5f53c9954fc25 — 206 — 0 B — 5 ms — h2
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
55% of JavaScript execution is third-party
First-party Third-party 431ms · 347KB · €7/mo
www.rtx.com
Other
Optional
Execution 136ms
Transfer 14 KB
Monthly Cost €2/mo
Google Tag Manager
Tag Manager
Optional
Execution 129ms
Transfer 145 KB
Unused 46%
Monthly Cost €2/mo
www.rtx.com
Other
Optional
Execution 97ms
Transfer 0 KB
Monthly Cost €2/mo
prd-sc102-cdn.rtx.com
Other
Optional
Execution 69ms
Transfer 187 KB
Unused 79%
Monthly Cost €1/mo

55% of JavaScript execution time comes from third-party scripts.

Why this matters

Third-party scripts (analytics, ads, social, A/B testing) often dominate execution time — every one is a perf-and-privacy tax.

Learn more ▾

Each third-party script is a black box: you don't control when it loads, what it executes, or how much it grows. They often account for a major share of total blocking time on average sites (HTTP Archive's Web Almanac documents the trend). Audit which ones you actually need, defer the rest, and use facade patterns (lite-youtube, lite-vimeo) for embedded media.

Source: web.dev / HTTP Archive Web Almanac

79% 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
13 images, 0 KB total, 0 KB wasted
INFO

Image Optimization Audit

Total Images

13

Total Size

0 KB

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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