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https://www.snapchat.com

Performance

· 23 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
84
GRADE
B
FIX
5
REVIEW
4
PASS
11
INFO
3

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

Mobile Desktop
80
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
96
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
96
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.

904 ms

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

2.93 s

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

149 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.

931 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.

2.93 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
23
11 PASS 4 REVIEW 5 FIX
F
Page Weight Budget
Action
3.3 MB transferred, 71 requests
FIX
3.3 MB transferred, 71 requests
Warning::
Page weighs 7.1 MB (3.3 MB transferred)
Warning::
Images are 1.4 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.4 MB
Warning::
JavaScript is 694 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 694 KB
Info::
71 HTTP requests
Info::
Estimated 0.68 g CO2 per page load
3.3 MB / 2.4 MB budget
3.3 MB transferred
71 requests
0.68 g CO2 per page load
Images 1.4 MiB 42%
JavaScript 694.1 KiB 21%
Other 655.2 KiB 20%
Other 324.5 KiB 10%
Fonts 180.9 KiB 5%
HTML 44.1 KiB 1%
CSS 22.7 KiB 1%
Other 2.9 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

Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.

Why this matters

JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.

Source: web.dev

D
Third-Party Impact
Action
99% third-party, 0 ms blocking
FIX
99% third-party, 0 ms blocking
Warning::
Third-party code accounts for 99% of page weight (3.2 MiB of 3.3 MiB)
Info::
Third-party blocking time is low (0 ms)
99%
First-party Third-party
D
JS Bundles
Action
27 scripts, 307 KB unused
FIX
27 scripts, 307 KB unused
Warning::
https://static.snapchat.com/sc-com/_next/static/ch...: 136 KB unused (74%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://static.snapchat.com/sc-com/_next/static/ch...: 65 KB unused (89%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://static.snapchat.com/sc-com/_next/static/ch...: 43 KB unused (39%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://static.snapchat.com/sc-com/_next/static/ch...: 22 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://static.snapchat.com/sc-com/_next/static/ch...: 21 KB unused (86%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 307 KB
307 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://static.snapchat.com/sc-com/_next/static/chunks/3si3zz30u_3si.js182 KB136 KB (74%)✓3rd
https://static.snapchat.com/sc-com/_next/static/chunks/4305ig8qrb1s6.js73 KB65 KB (89%)✓3rd
https://static.snapchat.com/sc-com/_next/static/chunks/2y2d3ymlnaajr.js112 KB43 KB (39%)✓3rd
https://static.snapchat.com/sc-com/_next/static/chunks/0fw8_3fbkx8ux.js54 KB22 KB (41%)✓3rd
https://static.snapchat.com/sc-com/_next/static/chunks/27y8fdeiog6qg.js25 KB21 KB (86%)✓3rd
https://static.snapchat.com/sc-com/_next/static/chunks/0_fhbp-k4h863.js36 KB20 KB (57%)✓3rd
https://static.snapchat.com/sc-com/_next/static/chunks/3-15q-3muzh0k.js9 KB—✓3rd
https://static.snapchat.com/sc-com/_next/static/chunks/0ccyisuegtzyp.js13 KB—✓3rd
https://static.snapchat.com/sc-com/_next/static/chunks/3tv5rgbmmlba1.js11 KB—✓3rd
https://static.snapchat.com/sc-com/_next/static/chunks/1ibbpcpmwlh0d.js9 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

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

D
Page Weight Inventory
Action
71 resources · 3.3 MB · 307 KB savings available
FIX
71 resources · 3.3 MB · 307 KB savings available
Warning::
Page weight 3.3 MB exceeds 1 MB target by 2.3 MB
Got: 3.3 MB Expected: ≤ 1 MB
Info::
~307 KB of savings available
Warning::
69 third-party resources (99% of weight)
Info::
7 resources over 200KB
71 resources · 3.3 MiB · 69 third-party 2.3 MiB over 1MB target
Image 42% · 1.4 MiB
JavaScript 21% · 694.1 KiB
Media 20% · 655.2 KiB
Other 10% · 324.3 KiB
Font 5% · 180.9 KiB
Document 1% · 44.3 KiB
CSS 1% · 22.7 KiB

~307.0 KiB of savings available

Remove unused JavaScript: 307.0 KiB
D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: no-store
Info::
No ETag or Last-Modified header
Conditional requests (304 Not Modified) are not possible without validators.
Cache-Control

no-store

DirectiveValueMeaning
no-store—Never cache this response
B
Image Optimization
4 images, 0 KB saveable
REVIEW
4 images, 0 KB saveable
Info::
All images are well-optimized
4 images 1.4 MB
0 oversized -0 KB
4 legacy format
0 missing dimensions CLS risk
B
JS Execution Cost
522ms total JS execution
REVIEW
522ms total JS execution
Info::
https://static.snapchat.com/sc-com/_next/static/ch...: 207ms CPU time
Info::
Unattributable: 125ms CPU time
Info::
https://www.snapchat.com/: 110ms CPU time
Info::
https://static.snapchat.com/sc-com/_next/static/ch...: 80ms CPU time
Warning::
Third-party scripts: 287ms (55% of total)

Main Thread Breakdown

Script Evaluation 55% Other 22% Script Parsing & Compilation 12% Style & Layout 8%
ScriptTotalScriptingParse/CompileParty
https://static.snapchat.com/sc-com/_next/static/chunks/3si3zz30u_3si.js207ms187ms20ms3rd
Unattributable125ms19ms0ms1st
https://www.snapchat.com/110ms20ms3ms1st
https://static.snapchat.com/sc-com/_next/static/chunks/2y2d3ymlnaajr.js80ms68ms7ms3rd
B
Document Compression
Document response uses gzip; brotli would be ~20% smaller
REVIEW
Document response uses gzip; brotli would be ~20% smaller
Info::
Main HTML response uses gzip (brotli would be ~20% smaller)
All current browsers support brotli. Most CDNs (Cloudflare, Fastly, AWS CloudFront, Vercel, Netlify) can switch from gzip to brotli with a single config flag. Origin servers (nginx, Apache) need a brotli module compiled in -- nginx-brotli or Apache mod_brotli.
B
Server-Timing Observability
No Server-Timing header found
REVIEW
No Server-Timing header found
Info::
No Server-Timing header found
Server-Timing exposes backend timing breakdowns to browser DevTools (e.g., `db: 45ms; render: 120ms; cache: 2ms`). Useful for diagnosing slow pages without backend log access. Most modern frameworks (Next.js, Cloudflare Workers, Fastly) emit it automatically; absence on a managed platform usually means telemetry headers are stripped at the edge.
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
3 fonts (181 KB)
PASS
3 fonts (181 KB)
Info::
3 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

3

181 KB total

Render-blocking

0

of 3

Dominant font-display

swap

Most common across fonts

Font loading timeline
Transfer FOIT (block) FOUT (swap)
0 ms 1.0 s 2.0 s 3.0 s FCP 904 ms LCP 2.9 shttps://static.snapchat.com/sc-com/fonts/avenir-next/AvenirNext-Bold.woff2AvenirNext-Bold.woff2 https://static.snapchat.com/sc-com/fonts/avenir-next/AvenirNext-Bold.woff2 — 63.4 KiB — 11 ms — font-display: swaphttps://static.snapchat.com/sc-com/fonts/avenir-next/AvenirNext-DemiBold.woff2AvenirNext-DemiBold.woff2 https://static.snapchat.com/sc-com/fonts/avenir-next/AvenirNext-DemiBold.woff2 — 58.8 KiB — 13 ms — font-display: swaphttps://static.snapchat.com/sc-com/fonts/avenir-next/AvenirNext-Medium.woff2AvenirNext-Medium.woff2 https://static.snapchat.com/sc-com/fonts/avenir-next/AvenirNext-Medium.woff2 — 58.8 KiB — 13 ms — font-display: swap
AvenirNext-Bold.woff2 woff2 swap
Size 63 KB
Load time 11 ms
Start 266 ms
Risk FOUT — text flashes from fallback to web font
AvenirNext-DemiBold.woff2 woff2 swap
Size 59 KB
Load time 13 ms
Start 267 ms
Risk FOUT — text flashes from fallback to web font
AvenirNext-Medium.woff2 woff2 swap
Size 59 KB
Load time 13 ms
Start 268 ms
Risk FOUT — text flashes from fallback to web font
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 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+
HTTP/3 (QUIC)
HTTP/3 advertised via Alt-Svc
PASS
HTTP/3 advertised via Alt-Svc
Info::
HTTP/3 (QUIC) is supported
First-load mobile users on cellular networks see meaningful latency improvements with HTTP/3. The QUIC transport collapses TLS + TCP handshakes into one and recovers faster from packet loss.
A+
Asset Compression
All 1 asset host use brotli
PASS
All 1 asset host use brotli
Info::
static.snapchat.com serves assets with brotli (assets: 34)
Got: static.snapchat.com (text/css)
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+
Main HTML Cache-Control
Main HTML uses no-store -- correct for sensitive/dynamic content
PASS
Main HTML uses no-store -- correct for sensitive/dynamic content
Info::
Main HTML uses no-store -- correct for sensitive/dynamic content
Got: no-store
A+
Server Response Intelligence
2 server-response signal(s) detected
PASS
2 server-response signal(s) detected
Info::
`Vary` header declared: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch,...
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: Google Cloud

Network Waterfall
71 requests over 2654ms
INFO
0 ms 1.0 s 2.0 s 3.0 s FCP 904 ms LCP 2.9 shttps://www.snapchat.com// https://www.snapchat.com/ — 200 — 44.1 KiB — 205 ms — h2https://static.snapchat.com/sc-com/_next/static/chunks/0df1fjit3-eki.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/0df1fjit3-eki.css — 200 — 15.3 KiB — 26 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/3dfd4pnq0ojgd.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/3dfd4pnq0ojgd.css — 200 — 3.3 KiB — 21 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2o87tp_uj4h_z.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2o87tp_uj4h_z.css — 200 — 2.2 KiB — 19 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2eox8aij8fv1r.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2eox8aij8fv1r.css — 200 — 856 B — 20 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2yfl28lu89s8w.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2yfl28lu89s8w.css — 200 — 1.1 KiB — 19 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/07tl871vt3h5b.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/07tl871vt3h5b.js — 200 — 8.4 KiB — 23 ms — h3https://static.snapchat.com/videos/snapchat-dot-com/posters/find-your-friends.pngstatic.snapchat.com/videos/snapchat... https://static.snapchat.com/videos/snapchat-dot-com/posters/find-your-friends.png — 200 — 294.3 KiB — 100 ms — h3https://static.snapchat.com/videos/snapchat-dot-com/posters/lens.pngstatic.snapchat.com/videos/snapchat... https://static.snapchat.com/videos/snapchat-dot-com/posters/lens.png — 200 — 471.8 KiB — 125 ms — h3https://static.snapchat.com/videos/snapchat-dot-com/posters/spotlight.pngstatic.snapchat.com/videos/snapchat... https://static.snapchat.com/videos/snapchat-dot-com/posters/spotlight.png — 200 — 278.3 KiB — 110 ms — h3https://static.snapchat.com/videos/snapchat-dot-com/posters/map.pngstatic.snapchat.com/videos/snapchat... https://static.snapchat.com/videos/snapchat-dot-com/posters/map.png — 200 — 365.0 KiB — 123 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2bzknqvyd4p7c.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2bzknqvyd4p7c.js — 200 — 10.1 KiB — 39 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2ixdagnet62bq.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2ixdagnet62bq.js — 200 — 9.6 KiB — 40 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/086z_40o_asn6.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/086z_40o_asn6.js — 200 — 14.4 KiB — 33 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/1ibbpcpmwlh0d.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/1ibbpcpmwlh0d.js — 200 — 9.1 KiB — 46 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/3si3zz30u_3si.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/3si3zz30u_3si.js — 200 — 182.3 KiB — 113 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/1338q2gqq4_ty.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/1338q2gqq4_ty.js — 200 — 18.7 KiB — 48 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/0_fhbp-k4h863.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/0_fhbp-k4h863.js — 200 — 35.7 KiB — 66 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/3tv5rgbmmlba1.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/3tv5rgbmmlba1.js — 200 — 11.2 KiB — 42 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2y2d3ymlnaajr.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2y2d3ymlnaajr.js — 200 — 111.9 KiB — 93 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/17go2t_jfbskg.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/17go2t_jfbskg.js — 200 — 13.5 KiB — 51 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/turbopack-32uqd6jq9mqqv.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/turbopack-32uqd6jq9mqqv.js — 200 — 4.5 KiB — 35 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/3-15q-3muzh0k.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/3-15q-3muzh0k.js — 200 — 8.8 KiB — 38 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/31k_al8sw9nbf.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/31k_al8sw9nbf.js — 200 — 24.1 KiB — 56 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/1vrwdx_c2a6u-.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/1vrwdx_c2a6u-.js — 200 — 9.3 KiB — 53 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/14gbvm3p0jx8d.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/14gbvm3p0jx8d.js — 200 — 27.0 KiB — 73 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/1wm2ljmpghcob.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/1wm2ljmpghcob.js — 200 — 14.3 KiB — 73 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/0ccyisuegtzyp.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/0ccyisuegtzyp.js — 200 — 12.8 KiB — 77 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/0xnwlao2hwnp7.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/0xnwlao2hwnp7.js — 200 — 1.6 KiB — 75 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2mzbfu8866ozi.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2mzbfu8866ozi.js — 200 — 6.5 KiB — 77 ms — h3
0 ms 1.0 s 2.0 s 3.0 s FCP 904 ms LCP 2.9 shttps://www.snapchat.com// https://www.snapchat.com/ — 200 — 44.1 KiB — 205 ms — h2https://static.snapchat.com/sc-com/_next/static/chunks/0df1fjit3-eki.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/0df1fjit3-eki.css — 200 — 15.3 KiB — 26 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/3dfd4pnq0ojgd.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/3dfd4pnq0ojgd.css — 200 — 3.3 KiB — 21 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2o87tp_uj4h_z.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2o87tp_uj4h_z.css — 200 — 2.2 KiB — 19 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2eox8aij8fv1r.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2eox8aij8fv1r.css — 200 — 856 B — 20 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2yfl28lu89s8w.cssstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2yfl28lu89s8w.css — 200 — 1.1 KiB — 19 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/07tl871vt3h5b.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/07tl871vt3h5b.js — 200 — 8.4 KiB — 23 ms — h3https://static.snapchat.com/videos/snapchat-dot-com/posters/find-your-friends.pngstatic.snapchat.com/videos/snapchat... https://static.snapchat.com/videos/snapchat-dot-com/posters/find-your-friends.png — 200 — 294.3 KiB — 100 ms — h3https://static.snapchat.com/videos/snapchat-dot-com/posters/lens.pngstatic.snapchat.com/videos/snapchat... https://static.snapchat.com/videos/snapchat-dot-com/posters/lens.png — 200 — 471.8 KiB — 125 ms — h3https://static.snapchat.com/videos/snapchat-dot-com/posters/spotlight.pngstatic.snapchat.com/videos/snapchat... https://static.snapchat.com/videos/snapchat-dot-com/posters/spotlight.png — 200 — 278.3 KiB — 110 ms — h3https://static.snapchat.com/videos/snapchat-dot-com/posters/map.pngstatic.snapchat.com/videos/snapchat... https://static.snapchat.com/videos/snapchat-dot-com/posters/map.png — 200 — 365.0 KiB — 123 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2bzknqvyd4p7c.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2bzknqvyd4p7c.js — 200 — 10.1 KiB — 39 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/2ixdagnet62bq.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/2ixdagnet62bq.js — 200 — 9.6 KiB — 40 ms — h3https://static.snapchat.com/sc-com/_next/static/chunks/086z_40o_asn6.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/086z_40o_asn6.js — 200 — 14.4 KiB — 33 ms — 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https://aws.api.snapchat.com/snapchat.ab.exposure_service.ExposureService/BatchUpdateAbExposure — 200 — 0 B — 40 ms — h2https://growth-web-dev-tool.mesh.sc-corp.net/api/open-sesamegrowth-web-dev-tool.mesh.sc-corp.ne... https://growth-web-dev-tool.mesh.sc-corp.net/api/open-sesame — 403 — 92 B — 270 ms — h2https://static.snapchat.com/sc-com/_next/static/chunks/0fw8_3fbkx8ux.jsstatic.snapchat.com/sc-com/_next/st... https://static.snapchat.com/sc-com/_next/static/chunks/0fw8_3fbkx8ux.js — 200 — 54.2 KiB — 11 ms — h3https://aws.api.snapchat.com/snapchat.cdp.cof.CircumstancesService/targetingQueryaws.api.snapchat.com/snapchat.cdp.c... https://aws.api.snapchat.com/snapchat.cdp.cof.CircumstancesService/targetingQuery — 200 — 518 B — 176 ms — h2https://static.snapchat.com/videos/snapchat-dot-com/lens.mp4static.snapchat.com/videos/snapchat... https://static.snapchat.com/videos/snapchat-dot-com/lens.mp4 — 206 — 368 B — 36 ms — 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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 287ms · 294KB · $4/mo
static.snapchat.com
Other
Costly
Execution 207ms
Transfer 182 KB
Unused 74%
Monthly Cost $3/mo
static.snapchat.com
Other
Optional
Execution 80ms
Transfer 112 KB
Unused 39%
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • static.snapchat.com adds 207ms and costs ~$3/month

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

static.snapchat.com takes 207ms 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

74% of static.snapchat.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

Real-User Performance (CrUX)
Field metrics from the Chrome User Experience Report
INFO

Chrome User Experience (CrUX)

Real-user metrics from the Chrome UX Report (2026-10-13 — 2026-11-09)

LCP (p75)

1121 ms

92% good

INP (p75)

108 ms

86% good

CLS (p75)

0.000

98% good

FCP (p75)

838 ms

TTFB (p75)

392 ms

This origin passes Core Web Vitals assessment
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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