Performance
· 28 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.
1.10 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
2.30 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
333 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.025
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
2.90 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.
9.76 s
Page Load Progression
DThird-Party ImpactAction63% third-party, 0 ms blockingFIX
DJS Execution CostAction2345ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202610270101/show_ads_impl_fy2021.js?bust=122881932 | 650ms | 567ms | 39ms | 3rd |
| https://blockposter.net/_next/static/chunks/2lm6ee1ot3_cu.js | 543ms | 481ms | 26ms | 1st |
| Unattributable | 322ms | 23ms | 0ms | 1st |
| https://blockposter.net/ | 315ms | 11ms | 9ms | 1st |
| https://fundingchoicesmessages.google.com/i/ca-pub-9742784810661665?href=https%3A%2F%2Fblockposter.net&ers=2 | 253ms | 227ms | 16ms | 3rd |
| https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-9742784810661665 | 142ms | 99ms | 12ms | 3rd |
| https://blockposter.net/_next/static/chunks/0dq15fq8rvhm6.js | 67ms | 43ms | 16ms | 1st |
| https://ep2.adtrafficquality.google/sodar/sodar2.js | 52ms | 48ms | 2ms | 3rd |
DAsset CompressionAction2 of 2 asset hosts serve text uncompressedFIX
BPage Weight Budget1.1 MB transferred, 85 requestsREVIEW
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
BImage Optimization13 images, 0 KB saveableREVIEW
CJS BundlesAction35 scripts, 242 KB unusedREVIEW
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202610270101/show_ads_impl_fy2021.js?bust=122881932 | 165 KB | 92 KB (56%) | ✓ | 3rd |
| https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202610270101/reactive_library_fy2021.js?bust=122881932 | 78 KB | 64 KB (82%) | ✓ | 3rd |
| https://fundingchoicesmessages.google.com/i/ca-pub-9742784810661665?href=https%3A%2F%2Fblockposter.net&ers=2 | 71 KB | 36 KB (52%) | ✓ | 3rd |
| https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-9742784810661665 | 56 KB | 26 KB (46%) | ✓ | 3rd |
| https://blockposter.net/_next/static/chunks/2lm6ee1ot3_cu.js | 70 KB | 25 KB (36%) | ✓ | 1st |
| https://blockposter.net/_next/static/chunks/3oqp9gdx-sayv.js | 13 KB | — | ✓ | 1st |
| https://blockposter.net/_next/static/chunks/11jq0c2_zavac.js | 9 KB | — | ✓ | 1st |
| https://blockposter.net/_next/static/chunks/0ej7-twoczmye.js | 5 KB | — | ✓ | 1st |
| https://blockposter.net/_next/static/chunks/3ivcc6t1s04dh.js | 4 KB | — | ✓ | 1st |
| https://blockposter.net/_next/static/chunks/3q_r0piu0bw84.js | 14 KB | — | ✓ | 1st |
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
BServer-Timing ObservabilityNo Server-Timing header foundREVIEW
BPage Weight Inventory85 resources · 1.1 MB · 242 KB savings availableREVIEW
~242.4 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 85 resources | 1.1 MiB | ||||||
BHTTP Cachingpublic, max-age=0, must-revalidateREVIEW
public, max-age=0, must-revalidate
| Directive | Value | Meaning |
|---|---|---|
| public | — | Any cache may store this response |
| max-age | 0 | Cache for 0 seconds |
| must-revalidate | — | Must recheck with server after expiry |
A+Text CompressionAll text resources are compressedPASS
A+Font LoadingNo web fonts (system fonts)PASS
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource Hints2 hints, 0 missing preconnectsPASS
Current Resource Hints
2 resource hints configured
A+HTTP/3 (QUIC)HTTP/3 advertised via Alt-SvcPASS
A+Document CompressionDocument response uses brotliPASS
A+LCP Image PreloadLCP preload audit not availablePASS
A+Main HTML Cache-ControlMain HTML max-age=0 (≤ 5min) is appropriatePASS
A+Server Response Intelligence2 server-response signal(s) detectedPASS
A+Render-Blocking ResourcesNo render-blocking resources detectedPASS
A+Third-Party ResourcesNo third-party resources detectedPASS
AJavaScript Blocking1 JS blocking issue(s) detectedPASS
ACSS Performance Depth1 CSS depth issue(s) detectedPASS
A+Green HostingWhether the site is served from green-energy infrastructurePASS
Green Hosting
This site is hosted on green energy infrastructure
Provider: Cloudflare
Network Waterfall85 requests over 2634msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
pagead2.googlesyndication.com pagead2.googlesyndication.com | Other | 650ms | 165 KB | 56% | €11/mo | Costly |
fundingchoicesmessages.google.com fundingchoicesmessages.google.com | Other | 253ms | 71 KB | 52% | €4/mo | Costly |
pagead2.googlesyndication.com pagead2.googlesyndication.com | Other | 142ms | 56 KB | 46% | €2/mo | Optional |
ep2.adtrafficquality.google ep2.adtrafficquality.google | Other | 52ms | 8 KB | — | €1/mo | Optional |
These scripts may cost more than they're worth
- pagead2.googlesyndication.com adds 650ms and costs ~€11/month
- fundingchoicesmessages.google.com adds 253ms and costs ~€4/month
47% of JavaScript execution time comes from third-party scripts.
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
pagead2.googlesyndication.com takes 650ms 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
56% of pagead2.googlesyndication.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
fundingchoicesmessages.google.com takes 253ms 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
52% of fundingchoicesmessages.google.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
Real-User Performance (CrUX)Field metrics from the Chrome User Experience ReportINFO
Chrome User Experience (CrUX)
Real-user metrics from the Chrome UX Report (2026-10-02 — 2026-10-29)
LCP (p75)
1975 ms
83% good
INP (p75)
134 ms
85% good
CLS (p75)
0.050
85% good
FCP (p75)
1697 ms
TTFB (p75)
635 ms
Image Optimization9 images, 72 KB total, 59 KB wastedINFO
Image Optimization Audit
Total Images
9
Total Size
72 KB
Oversized
3
Wasted
59 KB