trello.com favicon

https://trello.com/ · checked November 5, 2026

10passed
5warnings
3missing
5optional

The main favicon of trello.com is favicon.ico, an ICO file with 256 px images (2.6 KB). We found 2 icon files, 5.3 KB in total. Google Search can use the same file. The site scores 67 out of 100: 10 passed, 5 warnings, 3 missing. Missing: SVG favicon, Apple touch icon, Web app manifest.

How it looks

Rendered from the files we found.

Capture, organize, and tackle your to-dos from anywhere

Browser tab · lightPassed

Capture, organize, and tackle your to-dos from anywhere

Browser tab · darkPassed

trello.comhttps://trello.com

Capture, organize, and tackle your to-dos from anywhere Make the impossible, possible with Trello. The ultimate tool to boost your productivity. Escape the clutter and chaos—stay efficient with Inbox, Boards, and Planner from anywhere, even on mobile.

Google searchWarning

Capture, organize, and tackle your to-dos from anywhere

iOS home screenMissing

Without it iOS falls back to a page screenshot or a letter on the home screen.

512

Android · maskableMissing

There are no manifest icons, so Android falls back to a screenshot or a letter.

splash

PWA install & splashMissing

No 512 px icon in the manifest, so there is no install prompt or splash screen.

All favicon files of trello.com

2 found

File	Found through	Format	Size	Weight
favicon.ico	default path	ICO	256 px	2.6 KB
favicon.ico	rel="icon"	ICO	256 px	2.6 KB

Classic favicon

2 warnings

favicon.ico

Warning

GET /favicon.ico · not declared in HTML (found at the root)

Format: ICO (real)
Contains: 256
File size: 2.6 KB
HTTP: 200
Content-Type: image/vnd.microsoft.icon
Cache: no-cache

The ICO has no 16 or 32 px image, so browsers scale a bigger one down.

ICO

Warning

<link rel="icon" href="https://www.trello.com/favicon.ico">

Declared: no sizes
Actual: 256
Format: ICO
File size: 2.6 KB
HTTP: 301 → 200
Content-Type: image/vnd.microsoft.icon

The icon URL redirects, and some crawlers and RSS readers don’t follow redirects for icons. Serve the file at its final URL.

SVG icon

1 missing

svg

SVG favicon

Missing

<link rel="icon" type="image/svg+xml" href="…"> – not found

An SVG icon stays sharp at any size and can switch colors for dark browser themes.

Apple

1 missing · 1 optional

180

Apple touch icon

Missing

<link rel="apple-touch-icon" href="…"> – not found

Without it iOS falls back to a page screenshot or a letter on the home screen.

mask

Safari pinned tab (mask-icon)

Optional

<link rel="mask-icon" href="…" color="…"> – not found

Legacy. Safari 12+ uses the regular favicon, so this is no longer required.

Web app manifest file

1 missing

json

Web app manifest

Missing

<link rel="manifest" href="…"> – not found

Android and installable web apps take their icons, name and colors from the manifest.

Google search

5 passed · 1 warning

Supported file format
ICO · favicon.ico
Square, at least 8×8 px
256×256
Larger than 48×48 px
256 px
Declared on the homepage
yes
Not blocked by robots.txt
allowed
Stable URLGoogle prefers an icon URL that doesn’t change or redirect.
1 redirect

Meta & legacy

4 optional

theme-colorColors the browser UI on mobile.
not set
theme-color for dark modemedia="(prefers-color-scheme: dark)"
not set
msapplication-TileColorWindows tiles, legacy.
not set
browserconfig.xmlWindows tiles, legacy.
not found

Delivery & performance

5 passed · 2 warnings

HTTPS for every icon
2 of 2
No mixed content
0 http:// links
No broken links
0 errors
Cache headersIcons rarely change; cache them for at least a day.
0 of 2 · ≥ 1 day
Total icon weight
5.3 KB
Redirectshttps://www.trello.com/favicon.ico → /favicon.ico
1
Duplicate tags
none

Icon tags found in <head>

<link rel="icon" href="https://www.trello.com/favicon.ico">

Questions about the trello.com favicon

Where is the trello.com favicon?

The main one is at https://www.trello.com/favicon.ico. The default path, https://trello.com/favicon.ico, also returns an icon.

What size is the trello.com favicon?

favicon.ico is 256 px. The largest raster icon on the site is favicon.ico at 256×256 px.

Can Google Search show the trello.com favicon?

The site meets Google's rules: favicon.ico is an ICO file with 256 px images (2.6 KB) and robots.txt allows it. Google still decides what it shows.

Does trello.com have an Apple touch icon and a maskable icon?

There is no Apple touch icon, so iOS falls back to a page screenshot or a letter. There is no readable web app manifest, so there is no maskable icon either.

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