Skip to content
https://www.ticktick.com

Performance

· 14 checks — Lighthouse + waterfall + sustainability rolled into one auditable list.
SCORE
85
GRADE
B
FIX
2
REVIEW
3
PASS
7
INFO
2

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

Mobile Desktop
87
Performance Overall performance score (0–100) based on Core Web Vitals and other metrics. 90+ is good.
76
Accessibility Measures how accessible the page is for users with disabilities. Checks color contrast, ARIA labels, and semantic HTML.
100
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.

1.15 s

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

2.14 s

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

0 ms

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

0.000

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

1.21 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.

2.15 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 s
Checks
14
7 PASS 3 REVIEW 2 FIX
D
Third-Party Impact
Action
96% third-party, 0 ms blocking
FIX
96% third-party, 0 ms blocking
Warning::
Third-party code accounts for 96% of page weight (696.5 KiB of 725.7 KiB)
Info::
Third-party blocking time is low (0 ms)
96%
First-party Third-party
D
HTTP Caching
Action
no-store (uncacheable)
FIX
no-store (uncacheable)
Info::
Cache-Control: no-store prevents all caching
Intentional for dynamic content, but increases server load for every page view.
Got: private, no-cache, no-store, max-age=0, must-revalidate
Info::
ETag present — enables conditional (304) responses
Cache-Control

private, no-cache, no-store, max-age=0, must-revalidate

DirectiveValueMeaning
private—Only browser cache, not CDN/proxy
no-cache—Cache but always revalidate first
no-store—Never cache this response
max-age0Cache for 0 seconds
must-revalidate—Must recheck with server after expiry
C
Image Optimization
Action
13 images, 0 KB saveable
REVIEW
13 images, 0 KB saveable
Warning::
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAFQA... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEAA... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEMA... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
Warning::
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEQA... is missing width/height — may cause layout shift
Set explicit width and height to prevent CLS.
13 images 178 KB
0 oversized -0 KB
4 legacy format
4 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

B
JS Bundles
25 scripts, 110 KB unused
REVIEW
25 scripts, 110 KB unused
Warning::
https://www.googletagmanager.com/gtag/js?id=G-TM2Q...: 61 KB unused (41%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://d107mjio2rjf74.cloudfront.net/sites/_next/...: 29 KB unused (28%)
Consider code splitting or tree shaking to reduce unused code.
Warning::
https://d107mjio2rjf74.cloudfront.net/sites/_next/...: 20 KB unused (56%)
Consider code splitting or tree shaking to reduce unused code.
Info::
Total unused JavaScript: 110 KB
110 KB unused JavaScript

Downloaded but never executed on this page.

ScriptSizeUnusedMinifiedParty
https://www.googletagmanager.com/gtag/js?id=G-TM2QKQ5S5Q148 KB61 KB (41%)✓3rd
https://d107mjio2rjf74.cloudfront.net/sites/_next/static/chunks/3062-b0589dcc1aac281091df.js105 KB29 KB (28%)✓3rd
https://d107mjio2rjf74.cloudfront.net/sites/_next/static/chunks/pages/_app-a0625b0848b5cb75af2f.js36 KB20 KB (56%)✓3rd
https://d107mjio2rjf74.cloudfront.net/sites/_next/static/chunks/8676-98bda4382f9f61bf6ff4.js3 KB—✓3rd
https://d107mjio2rjf74.cloudfront.net/sites/_next/static/chunks/1273-a8a0305e5c6cc05a4759.js6 KB—✓3rd
https://d107mjio2rjf74.cloudfront.net/sites/_next/static/chunks/2852872c-ff4119497ec9dcb754d9.js26 KB—✓3rd
https://d107mjio2rjf74.cloudfront.net/sites/_next/static/chunks/7583-01a30cd91b4af497633a.js4 KB—✓3rd
https://d107mjio2rjf74.cloudfront.net/sites/_next/static/chunks/9669-4a55b9b965794b83f878.js6 KB—✓3rd
https://d107mjio2rjf74.cloudfront.net/sites/_next/static/chunks/488-247465cda06305b1ce05.js11 KB—✓3rd
https://d107mjio2rjf74.cloudfront.net/sites/_next/static/chunks/8229-eb58eea4f05f64f0c432.js5 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

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

Green Hosting

No green hosting detected

A
Page Weight Budget
726 KB transferred, 52 requests
PASS
726 KB transferred, 52 requests
Info::
Page weighs 2.0 MB (726 KB transferred)
Warning::
JavaScript is 500 KB — consider code splitting or lazy loading
Large JavaScript bundles delay interactivity. Split code by route or defer non-critical scripts.
Got: 500 KB
Info::
52 HTTP requests
Info::
Estimated 0.15 g CO2 per page load
726 KB / 2.4 MB budget
726 KB transferred
52 requests
0.15 g CO2 per page load
JavaScript 500.1 KiB 69%
Images 177.8 KiB 25%
HTML 29.3 KiB 4%
CSS 14.4 KiB 2%
Other 1.8 KiB 0%
Other 874 B 0%
Other 850 B 0%
Other 559 B 0%
Other 0 B 0%
0 2.4 MB 4.9 MB
Under budget

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

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+
JS Execution Cost
319ms total JS execution
PASS
319ms total JS execution
Info::
https://www.ticktick.com/: 211ms CPU time
Info::
https://www.googletagmanager.com/gtag/js?id=G-TM2Q...: 56ms CPU time
Info::
Unattributable: 52ms CPU time
Info::
Third-party scripts: 108ms (34% of total)

Main Thread Breakdown

Script Evaluation 35% Other 30% Style & Layout 20% Script Parsing & Compilation 8% Rendering 4%
ScriptTotalScriptingParse/CompileParty
https://www.ticktick.com/211ms8ms0ms1st
https://www.googletagmanager.com/gtag/js?id=G-TM2QKQ5S5Q56ms44ms10ms3rd
Unattributable52ms2ms0ms3rd
A+
Font Loading
No web fonts (system fonts)
PASS
No web fonts (system fonts)
Info::
No web fonts loaded — system fonts are fastest
No web fonts loaded — system fonts are optimal.
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
52 requests over 0ms
INFO

Performance analysis not available for this result.

Third-Party Script Cost
Per-script blocking time, transfer cost, and cache headers
INFO
34% of JavaScript execution is third-party
First-party Third-party 108ms · 148KB · €1/mo
Google Tag Manager
Tag Manager
Optional
Execution 56ms
Transfer 148 KB
Unused 41%
Monthly Cost €1/mo
Unattributable
Other
Optional
Execution 52ms
Transfer 0 KB
Monthly Cost €1/mo

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.

Send Feedback