https://pullitpacks.com
Performance
· 27 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.SCORE
91
GRADE
A
FIX
1
REVIEW
4
PASS
18
INFO
4
Performance-focused optimization plan with CWV assessment, top offenders, and time estimates
58
96
100
91
First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.
2.00 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
4.46 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
138 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.656
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.00 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.
4.46 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 sChecks
2718 PASS 4 REVIEW 1 FIX
DThird-Party ImpactAction63% third-party, 0 ms blockingFIX
Third-Party Impact
Action63% third-party, 0 ms blocking
63% third-party, 0 ms blocking
Warning::
Third-party code accounts for 63% of page weight (621.3 KiB of 988.7 KiB)
Info::
Third-party blocking time is low (0 ms)
37%
63%
First-party Third-party
CJS Execution CostAction1055ms total JS executionREVIEW
JS Execution Cost
Action1055ms total JS execution
1055ms total JS execution
Warning::
https://pullitpacks.com/: 402ms CPU time
Warning::
https://pullitpacks.com/assets/react-DqYccM46.js: 264ms CPU time
Info::
Unattributable: 232ms CPU time
Info::
https://www.redditstatic.com/ads/pixel.js: 158ms CPU time
Info::
Third-party scripts: 158ms (15% of total)
Main Thread Breakdown
Script Evaluation 45% Other 32% Style & Layout 14% Rendering 6%
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://pullitpacks.com/ | 402ms | 105ms | 4ms | 1st |
| https://pullitpacks.com/assets/react-DqYccM46.js | 264ms | 228ms | 0ms | 1st |
| Unattributable | 232ms | 8ms | 0ms | 1st |
| https://www.redditstatic.com/ads/pixel.js | 158ms | 141ms | 6ms | 3rd |
BJS Bundles5 scripts, 101 KB unusedREVIEW
JS Bundles
5 scripts, 101 KB unused
5 scripts, 101 KB unused
Warning::
https://pullitpacks.com/assets/index-DDEm5X1t.js: 46 KB unused (54%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://pullitpacks.com/assets/aws-kLirSH7r.js: 31 KB unused (67%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://pullitpacks.com/assets/react-DqYccM46.js: 24 KB unused (38%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 101 KB
101 KB unused JavaScript
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://pullitpacks.com/assets/index-DDEm5X1t.js | 86 KB | 46 KB (54%) | ✓ | 1st |
| https://pullitpacks.com/assets/aws-kLirSH7r.js | 47 KB | 31 KB (67%) | ✓ | 1st |
| https://pullitpacks.com/assets/react-DqYccM46.js | 64 KB | 24 KB (38%) | ✓ | 1st |
| https://pullitpacks.com/assets/query-BinYJ1Ri.js | 13 KB | — | ✓ | 1st |
| https://www.redditstatic.com/ads/pixel.js | 19 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
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
Server-Timing Observability
No Server-Timing header found
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.
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
ActionWhether the site is served from green-energy infrastructure
Green Hosting
No green hosting detected
APage Weight Budget989 KB transferred, 35 requestsPASS
Page Weight Budget
989 KB transferred, 35 requests
989 KB transferred, 35 requests
Info::
Page weighs 1.6 MB (989 KB transferred)
Info::
35 HTTP requests
Info::
Estimated 0.20 g CO2 per page load
989 KB transferred
35 requests
0.20 g CO2 per page load
Images 600.8 KiB 61%
JavaScript 228.5 KiB 23%
Fonts 69.7 KiB 7%
Other 68.0 KiB 7%
CSS 12.0 KiB 1%
HTML 8.1 KiB 1%
Other 1.4 KiB 0%
Other 243 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget
A+Text CompressionAll text resources are compressedPASS
Text Compression
All text resources are compressed
All text resources are compressed
Info::
All text resources are compressed
All text resources are properly compressed.
A+Image Optimization22 images, 0 KB saveablePASS
Image Optimization
22 images, 0 KB saveable
22 images, 0 KB saveable
Info::
All images are well-optimized
22 images 601 KB
0 oversized -0 KB
1 legacy format
0 missing dimensions CLS risk
A+Font Loading2 fonts (70 KB)PASS
Font Loading
2 fonts (70 KB)
2 fonts (70 KB)
Info::
2 font(s) use font-display: swap (FOUT risk but functional)
Web fonts
2
70 KB total
Render-blocking
0
of 2
Dominant font-display
swap
Most common across fonts
Font loading timeline
Transfer FOIT (block) FOUT (swap)
inter-latin-wght-normal... woff2 swap
Size 48 KB
Load time 60 ms
Start 81 ms
Risk FOUT — text flashes from fallback to web font
space-grotesk-latin-wgh... woff2 swap
Size 22 KB
Load time 62 ms
Start 81 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 CachingAll resources properly cachedPASS
Resource Caching
All resources properly cached
All resources properly cached
Info::
No caching issues found
All static resources have appropriate caching headers.
A+Critical Rendering PathNo render-blocking resourcesPASS
Critical Rendering Path
No render-blocking resources
No render-blocking resources
Info::
No render-blocking resources detected
AResource Hints3 hints, 0 missing preconnectsPASS
Resource Hints
3 hints, 0 missing preconnects
3 hints, 0 missing preconnects
Warning::
2 font preload(s) missing `crossorigin` -- font will be downloaded twice
Fonts are always fetched as crossorigin=anonymous; a preload without the attribute creates a different cache key, so the browser refetches when the actual font request happens. Sample: /assets/inter-latin-wght-normal-Dx4kXJAl.woff2, /assets/space-grotesk-latin-wght-normal-BhU9QXUp.woff2. Add `crossorigin` (or `crossorigin="anonymous"`) to each preload.
Info::
Page uses 3 resource hint(s)
Current Resource Hints
preconnect 1
preload 2
dns-prefetch—
prefetch—
3 resource hints configured
Fonts are always fetched as crossorigin=anonymous; a preload without the attribute creates a different cache key, so the browser refetches when the actual font request happens. Sample: /assets/inter-latin-wght-normal-Dx4kXJAl.woff2, /assets/space-grotesk-latin-wght-normal-BhU9QXUp.woff2. Add `crossorigin` (or `crossorigin="anonymous"`) to each preload.
Why this matters
Performance issues directly impact user engagement and conversion rates.
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
HTTP/3 (QUIC)
HTTP/3 advertised via Alt-Svc
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+Compression AlgorithmMain response uses brotliPASS
Compression Algorithm
Main response uses brotli
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 PreloadLCP preload audit not availablePASS
LCP Image Preload
LCP preload audit not available
LCP preload audit not available
Info::
LCP image preload audit not available for this scan
A+Main HTML Cache-ControlMain HTML max-age=0 (≤ 5min) is appropriatePASS
Main HTML Cache-Control
Main HTML max-age=0 (≤ 5min) is appropriate
Main HTML max-age=0 (≤ 5min) is appropriate
Info::
Main HTML max-age=0 (≤ 5min) is appropriate
Got: public, max-age=0, s-maxage=60
A+Server Response Intelligence2 server-response signal(s) detectedPASS
Server Response Intelligence
2 server-response signal(s) detected
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::
Both `ETag` and `Last-Modified` present -- efficient revalidation supported
The page returns both `ETag` (content hash) and `Last-Modified` (timestamp) headers. Browsers can issue conditional GETs with `If-None-Match` or `If-Modified-Since`; the server returns 304 Not Modified for unchanged content, saving bandwidth. ETag is the more reliable of the two (timestamps fail in DST transitions and clock skew).
APage Weight Inventory35 resources · 989 KB · 101 KB savings availablePASS
Page Weight Inventory
35 resources · 989 KB · 101 KB savings available
35 resources · 989 KB · 101 KB savings available
Info::
Within 1MB page-weight target
Got: 989 KB
Info::
~101 KB of savings available
Warning::
26 third-party resources (63% of weight)
35 resources · 988.7 KiB · 26 third-party Within 1MB page-weight target
Image 68% · 668.8 KiB
JavaScript 23% · 228.5 KiB
Font 7% · 69.7 KiB
CSS 1% · 12.0 KiB
Document 1% · 8.1 KiB
Other 0% · 1.6 KiB
~101.3 KiB of savings available
Remove unused JavaScript: 101.3 KiB
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 35 resources | 988.7 KiB | ||||||
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
Render-Blocking Resources
No render-blocking resources detected
No render-blocking resources detected
Info::
No render-blocking resources detected in <head>
A+Third-Party ResourcesNo third-party resources detectedPASS
Third-Party Resources
No third-party resources detected
No third-party resources detected
A+JavaScript BlockingNo render-blocking JS or document.write usage detectedPASS
JavaScript Blocking
No render-blocking JS or document.write usage detected
No render-blocking JS or document.write usage detected
Info::
No JavaScript blocking issues detected
A+CSS Performance DepthNo CSS performance depth issues detectedPASS
CSS Performance Depth
No CSS performance depth issues detected
No CSS performance depth issues detected
Info::
No CSS performance depth issues detected
AHTTP Cachingpublic, max-age=0, s-maxage=60PASS
HTTP Caching
public, max-age=0, s-maxage=60
public, max-age=0, s-maxage=60
Info::
Cache-Control header is set
Got: public, max-age=0, s-maxage=60
Info::
CDN TTL: 1 minute (s-maxage=60)
Info::
ETag present — enables conditional (304) responses
Info::
Last-Modified header present
Cache-Control
public, max-age=0, s-maxage=60
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| max-age | 0 | Cache for 0 seconds |
| s-maxage | 60 | CDN caches for 1 minute |
Network Waterfall35 requests over 1232msINFO
Network Waterfall
35 requests over 1232ms
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
15% of JavaScript execution is third-party
First-party Third-party 158ms · 19KB · $2/mo
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
www.redditstatic.com www.redditstatic.com | Other | 158ms | 19 KB | — | $2/mo | Optional |
www.redditstatic.com
Other
Execution 158ms
Transfer 19 KB
Monthly Cost $2/mo
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Real-User Performance (CrUX)
Field metrics from the Chrome User Experience Report
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-04-15 — 2026-05-12)
LCP (p75)
4474 ms
46% good
INP (p75)
104 ms
92% good
CLS (p75)
0.240
55% good
FCP (p75)
1489 ms
TTFB (p75)
835 ms
Image Optimization29 images, 0 KB total, 0 KB wastedINFO
Image Optimization
29 images, 0 KB total, 0 KB wasted
Image Optimization Audit
Total Images
29
Total Size
0 KB
1 missing lazy loading
All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.