Performance
· 15 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.
1.75 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
5.47 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
13 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.009
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
5.56 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.
5.48 s
Page Load Progression
FPage Weight BudgetAction3.9 MB transferred, 145 requestsFIX
Subset fonts to include only used characters, or switch to system font stacks.
Font payload is large — subset to used glyphs only, or fall back to system fonts (zero load time).
Source: web.dev font loading
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
Remove unused CSS rules with tools like PurgeCSS to reduce stylesheet size.
CSS bundle is large — purge unused styles (PurgeCSS, Tailwind JIT) to reduce CSS payload.
Source: web.dev
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.
Source: web.dev
FJS Execution CostAction13088ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://build-tech.ai/wp-content/plugins/revslider/public/js/libs/tptools.js?ver=6.7.29 | 11972ms | 594ms | 4ms | 1st |
| https://build-tech.ai/wp-includes/js/jquery/jquery.min.js?ver=3.7.1 | 389ms | 291ms | 11ms | 1st |
| https://build-tech.ai/ | 308ms | 17ms | 6ms | 1st |
| Unattributable | 283ms | 1ms | 0ms | 3rd |
| https://build-tech.ai/wp-content/plugins/revslider/public/js/sr7.js?ver=6.7.29 | 71ms | 24ms | 6ms | 1st |
| https://3ds.culqi.com/ | 65ms | 54ms | 5ms | 3rd |
FJS BundlesAction50 scripts, 507 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://3ds.culqi.com/ | 283 KB | 154 KB (54%) | ✓ | 3rd |
| https://js.culqi.com/checkout-js | 283 KB | 151 KB (53%) | ✓ | 3rd |
| https://build-tech.ai/wp-content/themes/dt-the7/js/main.min.js?ver=12.3.1 | 88 KB | 69 KB (78%) | ✓ | 1st |
| https://build-tech.ai/wp-content/plugins/culqi-checkout/includes/3rd-party/plugins/woocommerce//assets/lib/mastercard/js/mc-sonic.min.js?_=1777247981 | 59 KB | 59 KB (100%) | ✓ | 1st |
| https://build-tech.ai/wp-content/plugins/revslider/public/js/libs/tptools.js?ver=6.7.29 | 70 KB | 39 KB (56%) | ✓ | 1st |
| https://build-tech.ai/wp-content/plugins/revslider/public/js/sr7.js?ver=6.7.29 | 86 KB | 37 KB (43%) | ✓ | 1st |
| https://build-tech.ai/wp-content/plugins/js_composer/assets/js/vendors/woocommerce-add-to-cart.js?ver=6.13.0 | 0 KB | — | ✓ | 1st |
| https://build-tech.ai/wp-content/themes/dt-the7-child/assets/js/jquery.waypoints.min.js?ver=1.0 | 3 KB | — | ✓ | 1st |
| https://build-tech.ai/wp-includes/js/jquery/ui/draggable.min.js?ver=1.13.3 | 5 KB | — | ✓ | 1st |
| https://build-tech.ai/wp-content/plugins/mini-ajax-woo-cart/assets/frontend/js/frontend.js?ver=1.3.1 | 2 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
DPage Weight InventoryAction145 resources · 3.9 MB · 507 KB savings availableFIX
~507.5 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 145 resources | 3.9 MiB | ||||||
FHTTP CachingActionNo cache headersFIX
No Cache-Control header
Adding a Cache-Control header can significantly improve repeat-visit performance.
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
AThird-Party Impact25% third-party, 0 ms blockingPASS
A+Text CompressionAll text resources are compressedPASS
AImage Optimization19 images, 0 KB saveablePASS
Set explicit width and height to prevent CLS.
Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.
Source: web.dev / Core Web Vitals
A+Font Loading18 fonts (1866 KB)PASS
Web fonts
18
1866 KB total
Render-blocking
0
of 18
Dominant font-display
swap
Most common across fonts
Font loading timeline
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Subset this font — over 100 KB suggests Latin Extended or full glyph coverage that most pages don't need
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- Convert to woff2 for ~30% smaller file size
- 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 ~1151 KB and ~2302 ms
A+Resource CachingAll resources properly cachedPASS
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
Network Waterfall145 requests over 7317msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
Unattributable Unattributable | Other | 283ms | 0 KB | — | $2/mo | Costly |
3ds.culqi.com 3ds.culqi.com | Other | 65ms | 283 KB | 54% | $0/mo | Optional |
These scripts may cost more than they're worth
- Unattributable adds 283ms and costs ~$2/month
Unattributable takes 283ms 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
54% of 3ds.culqi.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