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.
1.06 s
Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.
3.81 s
Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.
180 ms
Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.
0.004
Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.
1.68 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.
4.43 s
Page Load Progression
FPage Weight BudgetAction4.1 MB transferred, 153 requestsFIX
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
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.
JavaScript bundle is large — code-split routes and lazy-load off-screen components to defer.
Source: web.dev
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
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
DThird-Party ImpactAction100% third-party, 0 ms blockingFIX
DJS Execution CostAction2077ms total JS executionFIX
Main Thread Breakdown
| Script | Total | Scripting | Parse/Compile | Party |
|---|---|---|---|---|
| https://www.elespanol.com/ | 727ms | 12ms | 10ms | 3rd |
| Unattributable | 488ms | 50ms | 0ms | 3rd |
| https://sdk.mrf.io/statics/marfeel-sdk.js?id=148 | 143ms | 138ms | 0ms | 3rd |
| https://s3.elespanol.com/assets_js/web/v2/chunk-ZMN2X5BI.js | 138ms | 15ms | 0ms | 3rd |
| https://s3.elespanol.com/assets_js/web/v2/portada_module.min.js?v=1315 | 102ms | 1ms | 0ms | 3rd |
| https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31097963 | 100ms | 77ms | 15ms | 3rd |
| https://s3.elespanol.com/eprivacy/sdk/2937406ce2c093d605bdde31d15cbb0c3c36f857/modern/ui-web-es-web.2937406ce2c093d605bdde31d15cbb0c3c36f857.js | 100ms | 37ms | 6ms | 3rd |
| https://s3.elespanol.com/eprivacy/sdk/2937406ce2c093d605bdde31d15cbb0c3c36f857/modern/sdk.2937406ce2c093d605bdde31d15cbb0c3c36f857.js | 87ms | 71ms | 10ms | 3rd |
| https://client.aps.amazon-adsystem.com/publisher.js | 78ms | 65ms | 11ms | 3rd |
| https://s3.elespanol.com/assets_js/web/v2/chunk-RAMEBRFG.js | 60ms | 54ms | 0ms | 3rd |
Showing top 10 of 11 scripts
DJS BundlesAction39 scripts, 378 KB unusedFIX
Downloaded but never executed on this page.
| Script | Size | Unused | Minified | Party |
|---|---|---|---|---|
| https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604170101/pubads_impl.js?cb=31097963 | 187 KB | 140 KB (75%) | ✓ | 3rd |
| https://s3.elespanol.com/assets_js/web/v2//vendors/prebid/prebid.js?v=1315 | 95 KB | 69 KB (73%) | ✓ | 3rd |
| https://s3.elespanol.com/eprivacy/sdk/2937406ce2c093d605bdde31d15cbb0c3c36f857/modern/sdk.2937406ce2c093d605bdde31d15cbb0c3c36f857.js | 103 KB | 42 KB (40%) | ✓ | 3rd |
| https://s3.elespanol.com/assets_js/web/v2/portada_module.min.js?v=1315 | 52 KB | 37 KB (71%) | ✓ | 3rd |
| https://sdk.mrf.io/statics/marfeel-sdk.js?id=148 | 60 KB | 26 KB (43%) | ✓ | 3rd |
| https://client.aps.amazon-adsystem.com/publisher.js | 83 KB | 24 KB (55%) | ✓ | 3rd |
| https://sdk.mrf.io/statics/47bd3e88b6bda15c34ce.js | 24 KB | 21 KB (90%) | ✓ | 3rd |
| https://s3.elespanol.com/eprivacy/sdk/2937406ce2c093d605bdde31d15cbb0c3c36f857/modern/ui-web-es-web.2937406ce2c093d605bdde31d15cbb0c3c36f857.js | 59 KB | 21 KB (35%) | ✓ | 3rd |
| https://s3.elespanol.com/assets_js/web/v2/chunk-XZ27CKOU.js | 1 KB | — | ✓ | 3rd |
| https://s3.elespanol.com/eprivacy/sdk/2937406ce2c093d605bdde31d15cbb0c3c36f857/modern/src_sdk_core_modules_integrations_sdk-integrations_providers_gcm_gcm_js.2937406ce2c093d605bdde31d15cbb0c3c36f857.js | 2 KB | — | ✓ | 3rd |
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 InventoryAction153 resources · 4.1 MB · 378 KB savings availableFIX
~378.1 KiB of savings available
| # | Resource | Type | Size | Cache | Unused | 3rd party | Issues |
|---|---|---|---|---|---|---|---|
| — | — | ||||||
| 153 resources | 4.1 MiB | ||||||
CImage OptimizationAction94 images, 0 KB saveableREVIEW
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
CGreen HostingActionWhether the site is served from green-energy infrastructureREVIEW
Green Hosting
No green hosting detected
A+Text CompressionAll text resources are compressedPASS
A+Font Loading10 fonts (336 KB)PASS
Web fonts
10
336 KB total
Render-blocking
0
of 10
Dominant font-display
swap
Most common across fonts
Font loading timeline
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
A+Critical Rendering PathNo render-blocking resourcesPASS
A+Resource HintsNo optimization neededPASS
A+HTTP Cachingmax-age=30 (30 seconds)PASS
max-age=30, s-maxage=31536000
| Directive | Value | Meaning |
|---|---|---|
| max-age | 30 | Cache for 30 seconds |
| s-maxage | 31536000 | CDN caches for 52 weeks |
Network Waterfall153 requests over 2656msINFO
Third-Party Script CostPer-script blocking time, transfer cost, and cache headersINFO
| Script | Category | Execution | Transfer | Unused | Monthly Cost | Verdict |
|---|---|---|---|---|---|---|
www.elespanol.com www.elespanol.com | Other | 727ms | 115 KB | — | €4/mo | Costly |
Unattributable Unattributable | Other | 488ms | 0 KB | — | €3/mo | Costly |
sdk.mrf.io sdk.mrf.io | Other | 143ms | 60 KB | 43% | €1/mo | Optional |
s3.elespanol.com s3.elespanol.com | Other | 138ms | 1 KB | — | €1/mo | Optional |
s3.elespanol.com s3.elespanol.com | Other | 102ms | 52 KB | 71% | €1/mo | Optional |
securepubads.g.doubleclick.net securepubads.g.doubleclick.net | Other | 100ms | 187 KB | 75% | €1/mo | Optional |
s3.elespanol.com s3.elespanol.com | Other | 100ms | 59 KB | 35% | €1/mo | Optional |
s3.elespanol.com s3.elespanol.com | Other | 87ms | 103 KB | 40% | €0/mo | Optional |
client.aps.amazon-adsystem.com client.aps.amazon-adsystem.com | Other | 78ms | 83 KB | 55% | €0/mo | Optional |
s3.elespanol.com s3.elespanol.com | Other | 60ms | 19 KB | — | €0/mo | Optional |
s3.elespanol.com s3.elespanol.com | Other | 54ms | 95 KB | 73% | €0/mo | Optional |
These scripts may cost more than they're worth
- www.elespanol.com adds 727ms and costs ~€4/month
- Unattributable adds 488ms and costs ~€3/month
100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.
When third-party JS execution time exceeds your own, performance gains from frontend work are capped by code you don't own.
Learn more ▾ ▴
Every millisecond of third-party JS competes with your own for main-thread time. If their share is bigger than yours, optimization on your code base barely moves the needle. Audit, defer, or remove third-parties before further frontend optimization. Use Lighthouse's third-party audit to identify the worst offenders.
Source: web.dev
www.elespanol.com takes 727ms 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
Unattributable takes 488ms 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
71% of s3.elespanol.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
75% of securepubads.g.doubleclick.net'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
55% of client.aps.amazon-adsystem.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
73% of s3.elespanol.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