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Performance

· 15 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
89
GRADE
B
FIX
6
REVIEW
2
PASS
5
INFO
2

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

Mobile Desktop
71
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
100
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
77
Best Practices Checks for modern web development best practices including HTTPS, no console errors, and secure JavaScript.
85
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.

1.23 s

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

2.96 s

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

121 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.094

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

2.40 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.

4.95 s

Page Load Progression

534 ms
1.1 s
1.6 s
2.1 s
2.7 s
3.2 s
3.7 s
4.3 s
Checks
15
5 PASS 2 REVIEW 6 FIX
F
Page Weight Budget
Action
3.8 MB transferred, 127 requests
FIX
3.8 MB transferred, 127 requests
Warning::
Page weighs 7.3 MB (3.8 MB transferred)
Warning::
Images are 1.5 MB — compress or use modern formats
Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size.
Got: 1.5 MB
Warning::
JavaScript is 1.2 MB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 1.2 MB
Info::
Fonts are 892 KB — consider subsetting or using system fonts
Subset fonts to include only used characters, or switch to system font stacks.
Got: 892 KB
Warning::
127 HTTP requests — consider bundling or reducing
Each request adds latency. Bundle small files, use sprites, or eliminate unnecessary requests.
Info::
Estimated 0.79 g CO2 per page load
3.8 MB / 2.4 MB budget
3.8 MB transferred
127 requests
0.79 g CO2 per page load
Images 1.5 MiB 39%
JavaScript 1.2 MiB 33%
Fonts 892.0 KiB 23%
CSS 70.4 KiB 2%
Other 44.9 KiB 1%
Other 39.1 KiB 1%
HTML 24.9 KiB 1%
Other 10.4 KiB 0%
Other 555 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

Subset fonts to include only used characters, or switch to system font stacks.

Why this matters

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.

Why this matters

High HTTP request count — bundling, sprite-ing, and HTTP/2 server push can reduce per-request overhead.

Source: web.dev

D
Third-Party Impact
Action
100% third-party, 0 ms blocking
FIX
100% third-party, 0 ms blocking
Warning::
Third-party code accounts for 100% of page weight (3.8 MiB of 3.8 MiB)
Info::
Third-party blocking time is low (0 ms)
100%
First-party Third-party
D
JS Execution Cost
Action
2035ms total JS execution
FIX
2035ms total JS execution
Warning::
https://www.apa.org/ter-treafter-not-it-the-Flourt...: 636ms CPU time
Warning::
https://www.apa.org/: 389ms CPU time
Info::
https://www.apa.org/js/vendor/apafa.min.js?v=26.3: 230ms CPU time
Info::
Unattributable: 229ms CPU time
Info::
https://www.googletagmanager.com/gtm.js?id=GTM-WH9...: 211ms CPU time
Warning::
Third-party scripts: 2035ms (100% of total)

Main Thread Breakdown

Script Evaluation 65% Style & Layout 12% Other 11% Script Parsing & Compilation 4% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://www.apa.org/ter-treafter-not-it-the-Flourthe-Cere-and-that-S636ms602ms14ms3rd
https://www.apa.org/389ms16ms2ms3rd
https://www.apa.org/js/vendor/apafa.min.js?v=26.3230ms203ms3ms3rd
Unattributable229ms71ms0ms3rd
https://www.googletagmanager.com/gtm.js?id=GTM-WH9FTL211ms184ms14ms3rd
https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js111ms85ms2ms3rd
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js?cb=3109794590ms58ms18ms3rd
https://cdn.cookielaw.org/scripttemplates/202403.2.0/otBannerSdk.js76ms54ms9ms3rd
https://www.googletagmanager.com/gtag/js?id=G-SZXLGDJGNB&cx=c&gtm=4e64h162ms52ms10ms3rd
D
JS Bundles
Action
26 scripts, 443 KB unused
FIX
26 scripts, 443 KB unused
Warning::
https://securepubads.g.doubleclick.net/pagead/mana...: 144 KB unused (77%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.googletagmanager.com/gtag/js?id=G-SZXL...: 68 KB unused (40%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://ajax.googleapis.com/ajax/libs/jqueryui/1.1...: 59 KB unused (89%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://www.apa.org/js/vendor/jquery-ui.js: 59 KB unused (90%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://cdn.cookielaw.org/scripttemplates/202403.2...: 57 KB unused (52%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 443 KB
443 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202604160201/pubads_impl.js?cb=31097945188 KB144 KB (77%)✓3rd
https://www.googletagmanager.com/gtag/js?id=G-SZXLGDJGNB&cx=c&gtm=4e64h1169 KB68 KB (40%)✓3rd
https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js66 KB59 KB (89%)✓3rd
https://www.apa.org/js/vendor/jquery-ui.js66 KB59 KB (90%)✓3rd
https://cdn.cookielaw.org/scripttemplates/202403.2.0/otBannerSdk.js109 KB57 KB (52%)✓3rd
https://www.googletagmanager.com/gtm.js?id=GTM-WH9FTL188 KB56 KB (30%)✓3rd
https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=1224985%2C941922%2C4753364%2C4666052%2C2607369&time=1776797426854&url=https%3A%2F%2Fwww.apa.org%2F&e_ipv6=AQLic-vW4F9WRgAAAZ2xYSVpXiL5tpF_-BcI0NPJJ7euu74u6k4wxMZIIRdM8jsmSeAzQ1JRAdQ1 KB—✓3rd
https://dl-client.apa.org/content.min.js3 KB—✓3rd
https://www.apa.org/js/dist/getPsycCareerJobs.min.js1 KB—✓3rd
https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js30 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

F
Page Weight Inventory
Action
127 resources · 3.8 MB · 443 KB savings available
FIX
127 resources · 3.8 MB · 443 KB savings available
Warning::
Page weight 2.8 MB over 1MB target
Got: 3.8 MB Expected: ≤ 1 MB
Info::
~443 KB of savings available
Warning::
126 third-party resources (100% of weight)
Info::
2 resources over 200KB
127 resources · 3.8 MiB · 126 third-party 2.8 MiB over 1MB target
Image 39% · 1.5 MiB
JavaScript 33% · 1.2 MiB
Font 23% · 892.0 KiB
CSS 2% · 74.8 KiB
Other 2% · 73.5 KiB
Document 1% · 26.1 KiB

~442.9 KiB of savings available

Remove unused JavaScript: 442.9 KiB
F
HTTP Caching
Action
No cache headers
FIX
No cache headers
Warning::
No Cache-Control header found
Browsers will use heuristic caching, which can be unpredictable. Set explicit cache headers.

No Cache-Control header

Adding a Cache-Control header can significantly improve repeat-visit performance.

C
Image Optimization
Action
63 images, 0 KB saveable
REVIEW
63 images, 0 KB saveable
Warning::
https://www.apa.org/images/2026-04-05-conversation... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/standards-guidelines-50... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/cover-image-psychology-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/Content/Images/logo.png is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/misinformation-disinfor... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/2026-04-05-datapoint-ti... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/topss-teaching-award_tc... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/2026-01-02-trends-emoti... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/2026-03-ceo-tile_tcm7-3... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/tile-ai-emotional-intel... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/index-topss-competition... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/thumb-spta-professional... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/tile-press-overreliance... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/ce-training-50_tcm7-329... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/divisions-index_tcm7-32... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/2026-03-datapoint-tile_... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/3843228-475_tcm7-338075... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/careers-early-caree-squ... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/apa-services-tile_tcm7-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/Content/Images/leaf-icon.png is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/sop-lynn_tcm7-348982.jp... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/health-advisory-chatbot... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/funding-awards-50_tcm7-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/amp-475_tcm7-338900_w64... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/military-veterans-landi... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/2025-apa-community_tcm7... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/member-benefits-50_tcm7... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/antisemitism-religious-... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
https://www.apa.org/images/2026-03-conversation-co... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
63 images 1.5 MB
0 oversized -0 KB
62 legacy format
29 missing dimensions CLS risk

Set explicit width and height to prevent CLS.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

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.

Why this matters

Image without explicit width/height — browser can't reserve space; CLS jumps when image loads.

Source: web.dev / Core Web Vitals

C
Green Hosting
Action
Whether the site is served from green-energy infrastructure
REVIEW

Green Hosting

No green hosting detected

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
9 fonts (892 KB)
PASS
9 fonts (892 KB)
Info::
9 font(s) use font-display: swap (FOUT risk but functional)

Web fonts

9

892 KB total

Render-blocking

0

of 9

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 1.2 s LCP 3.0 shttps://www.apa.org/webfonts/WhitneySSm-Book-Adv_Web.woffWhitneySSm-Book-Adv_Web... https://www.apa.org/webfonts/WhitneySSm-Book-Adv_Web.woff — 82.9 KiB — 40 ms — font-display: swaphttps://www.apa.org/webfonts/WhitneySSm-Medium-Adv_Web.woffWhitneySSm-Medium-Adv_W... https://www.apa.org/webfonts/WhitneySSm-Medium-Adv_Web.woff — 86.9 KiB — 53 ms — font-display: swaphttps://www.apa.org/webfonts/WhitneySSm-Light-Adv_Web.woffWhitneySSm-Light-Adv_We... https://www.apa.org/webfonts/WhitneySSm-Light-Adv_Web.woff — 99.6 KiB — 84 ms — font-display: swaphttps://www.apa.org/webfonts/WhitneySSm-BookItalic-Adv_Web.woffWhitneySSm-BookItalic-A... https://www.apa.org/webfonts/WhitneySSm-BookItalic-Adv_Web.woff — 98.5 KiB — 94 ms — font-display: swaphttps://www.apa.org/webfonts/SentinelSSm-Medium-Pro_Web.woffSentinelSSm-Medium-Pro_... https://www.apa.org/webfonts/SentinelSSm-Medium-Pro_Web.woff — 107.8 KiB — 83 ms — font-display: swaphttps://www.apa.org/webfonts/SentinelSSm-Semibold-Pro_Web.woffSentinelSSm-Semibold-Pr... https://www.apa.org/webfonts/SentinelSSm-Semibold-Pro_Web.woff — 109.0 KiB — 27 ms — font-display: swaphttps://www.apa.org/webfonts/WhitneySSm-Semibold-Adv_Web.woffWhitneySSm-Semibold-Adv... https://www.apa.org/webfonts/WhitneySSm-Semibold-Adv_Web.woff — 97.7 KiB — 52 ms — font-display: swaphttps://www.apa.org/webfonts/SentinelSSm-Book-Pro_Web.woffSentinelSSm-Book-Pro_We... https://www.apa.org/webfonts/SentinelSSm-Book-Pro_Web.woff — 107.9 KiB — 40 ms — font-display: swaphttps://www.apa.org/webfonts/WhitneySSm-SemiboldItalic-Adv_Web.woffWhitneySSm-SemiboldItal... https://www.apa.org/webfonts/WhitneySSm-SemiboldItalic-Adv_Web.woff — 101.7 KiB — 44 ms — font-display: swap
WhitneySSm-Book-Adv_Web... woff swap
Size 83 KB
Load time 40 ms
Start 811 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
WhitneySSm-Medium-Adv_W... woff swap
Size 87 KB
Load time 53 ms
Start 811 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
WhitneySSm-Light-Adv_We... woff swap
Size 100 KB
Load time 84 ms
Start 811 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
WhitneySSm-BookItalic-A... woff swap
Size 99 KB
Load time 94 ms
Start 812 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
SentinelSSm-Medium-Pro_... woff swap
Size 108 KB
Load time 83 ms
Start 834 ms
Risk FOUT — text flashes from fallback to web font
  • 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
SentinelSSm-Semibold-Pr... woff swap
Size 109 KB
Load time 27 ms
Start 891 ms
Risk FOUT — text flashes from fallback to web font
  • 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
WhitneySSm-Semibold-Adv... woff swap
Size 98 KB
Load time 52 ms
Start 891 ms
Risk FOUT — text flashes from fallback to web font
  • Convert to woff2 for ~30% smaller file size
SentinelSSm-Book-Pro_We... woff swap
Size 108 KB
Load time 40 ms
Start 892 ms
Risk FOUT — text flashes from fallback to web font
  • 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
WhitneySSm-SemiboldItal... woff swap
Size 102 KB
Load time 44 ms
Start 892 ms
Risk FOUT — text flashes from fallback to web font
  • 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
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 ~481 KB and ~962 ms

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
Network Waterfall
127 requests over 5331ms
INFO
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https://www.apa.org/pubs/journals/images/cep-150.gif — 200 — 9.3 KiB — 7 ms — http/1.1https://www.apa.org/pubs/journals/images/rev-150.gifwww.apa.org/pubs/journals/images/re... https://www.apa.org/pubs/journals/images/rev-150.gif — 200 — 8.0 KiB — 1.1 s — http/1.1https://www.apa.org/pubs/journals/images/aca-150.gifwww.apa.org/pubs/journals/images/ac... https://www.apa.org/pubs/journals/images/aca-150.gif — 200 — 14.1 KiB — 126 ms — http/1.1https://www.apa.org/pubs/journals/images/dhe-150.gifwww.apa.org/pubs/journals/images/dh... https://www.apa.org/pubs/journals/images/dhe-150.gif — 200 — 14.9 KiB — 351 ms — http/1.1https://www.apa.org/pubs/journals/images/tra-150.gifwww.apa.org/pubs/journals/images/tr... https://www.apa.org/pubs/journals/images/tra-150.gif — 200 — 23.9 KiB — 122 ms — http/1.1https://www.apa.org/pubs/journals/images/stl-150.gifwww.apa.org/pubs/journals/images/st... https://www.apa.org/pubs/journals/images/stl-150.gif — 200 — 9.3 KiB — 116 ms — http/1.1https://www.apa.org/images/3843228-475_tcm7-338075_w640_n.gifwww.apa.org/images/3843228-475_tcm7... https://www.apa.org/images/3843228-475_tcm7-338075_w640_n.gif — 200 — 36.1 KiB — 166 ms — http/1.1https://www.apa.org/pubs/books/images/3849022-150.gifwww.apa.org/pubs/books/images/38490... https://www.apa.org/pubs/books/images/3849022-150.gif — 200 — 13.2 KiB — 122 ms — http/1.1https://www.apa.org/pubs/books/images/3842658-150.gifwww.apa.org/pubs/books/images/38426... https://www.apa.org/pubs/books/images/3842658-150.gif — 200 — 19.8 KiB — 123 ms — http/1.1https://www.apa.org/pubs/books/images/3845550-150.gifwww.apa.org/pubs/books/images/38455... https://www.apa.org/pubs/books/images/3845550-150.gif — 200 — 25.4 KiB — 121 ms — http/1.1https://www.apa.org/pubs/books/images/3843808-150.gifwww.apa.org/pubs/books/images/38438... https://www.apa.org/pubs/books/images/3843808-150.gif — 200 — 13.4 KiB — 126 ms — http/1.1https://www.apa.org/pubs/magination/images/3848797-150.jpgwww.apa.org/pubs/magination/images/... https://www.apa.org/pubs/magination/images/3848797-150.jpg — 200 — 45.0 KiB — 127 ms — http/1.1https://www.apa.org/pubs/magination/images/3848834-150.jpgwww.apa.org/pubs/magination/images/... https://www.apa.org/pubs/magination/images/3848834-150.jpg — 200 — 51.3 KiB — 150 ms — http/1.1https://www.apa.org/pubs/magination/images/3848629-150.jpgwww.apa.org/pubs/magination/images/... https://www.apa.org/pubs/magination/images/3848629-150.jpg — 200 — 48.8 KiB — 125 ms — http/1.1https://www.apa.org/pubs/magination/images/3848919-150.jpgwww.apa.org/pubs/magination/images/... https://www.apa.org/pubs/magination/images/3848919-150.jpg — 200 — 41.1 KiB — 204 ms — http/1.1https://www.apa.org/Content/Images/favicon-apa.icowww.apa.org/Content/Images/favicon-... https://www.apa.org/Content/Images/favicon-apa.ico — 200 — 15.1 KiB — 25 ms — http/1.1
HTML JavaScript CSS Images Fonts XHR/Fetch Other
Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
100% of JavaScript execution is third-party
First-party Third-party 2035ms · 997KB · $27/mo
www.apa.org
Other
Costly
Execution 636ms
Transfer 243 KB
Monthly Cost $8/mo
www.apa.org
Other
Costly
Execution 389ms
Transfer 24 KB
Monthly Cost $5/mo
www.apa.org
Other
Costly
Execution 230ms
Transfer 46 KB
Monthly Cost $3/mo
Unattributable
Other
Costly
Execution 229ms
Transfer 0 KB
Monthly Cost $3/mo
Google Tag Manager
Tag Manager
Costly
Execution 211ms
Transfer 188 KB
Unused 30%
Monthly Cost $3/mo
ajax.googleapis.com
Other
Optional
Execution 111ms
Transfer 30 KB
Monthly Cost $1/mo
securepubads.g.doubleclick.net
Other
Optional
Execution 90ms
Transfer 188 KB
Unused 77%
Monthly Cost $1/mo
OneTrust
Consent
Essential
Execution 76ms
Transfer 109 KB
Unused 52%
Monthly Cost $1/mo
Google Tag Manager
Tag Manager
Optional
Execution 62ms
Transfer 169 KB
Unused 40%
Monthly Cost $1/mo

These scripts may cost more than they're worth

  • www.apa.org adds 636ms and costs ~$8/month
  • www.apa.org adds 389ms and costs ~$5/month
  • www.apa.org adds 230ms and costs ~$3/month
  • Unattributable adds 229ms and costs ~$3/month
  • Google Tag Manager adds 211ms and costs ~$3/month

100% of JavaScript execution time is spent on third-party scripts. Consider auditing which scripts are essential.

Why this matters

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.apa.org takes 636ms 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

www.apa.org takes 389ms 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

www.apa.org takes 230ms 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

Unattributable takes 229ms 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

Google Tag Manager takes 211ms 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

77% of securepubads.g.doubleclick.net'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

52% of OneTrust'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

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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