heroku.com favicon

https://www.heroku.com/ · 1 redirect · checked November 5, 2026

14passed
4warnings
2missing
4optional

The main favicon of heroku.com is apple-touch-icon-180x180-1.png, a 32×32 WebP file (616 B). We found 3 icon files, 8.7 KB in total. Google Search can use favicon.ico, an ICO file with 16 px images (198 B). The site scores 80 out of 100: 14 passed, 4 warnings, 2 missing. Missing: SVG favicon, Web app manifest.

How it looks

Rendered from the files we found.

Heroku | The Cloud Application Platform For Developers

Browser tab · lightPassed

Heroku | The Cloud Application Platform For Developers

Browser tab · darkOptional

Check that the icon stays visible on a dark tab.

Herokuhttps://www.heroku.com

Heroku | The Cloud Application Platform For Developers Experience fully managed app hosting that just works. Build, deploy, and scale on the battle-tested platform that defines the industry.

Google searchWarning

Heroku

iOS home screenWarning

iOS needs a PNG; this is WebP.

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 heroku.com

3 found

File	Found through	Format	Size	Weight
favicon.ico	default path	ICO	16 px	198 B
apple-touch-icon-180x180-1.png	rel="icon"	WebP	32×32	616 B
apple-touch-icon-180x180-1.png	rel="icon" · rel="apple-touch-icon"	WebP	180×180	7.9 KB

Classic favicon

2 passed · 1 warning

favicon.ico

Passed

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

Format: ICO (real)
Contains: 16
File size: 198 B
HTTP: 200
Content-Type: image/x-icon
Cache: 4 hours

WebP 32×32

Passed

<link rel="icon" href="https://www.heroku.com/wp-content/uploads/2025/01/apple-touch-icon-180x180-1.png?w=32" sizes="32x32">

Declared: 32×32
Actual: 32×32
Format: WebP
File size: 616 B
HTTP: 200
Content-Type: image/webp

WebP 192×192

Warning

<link rel="icon" href="https://www.heroku.com/wp-content/uploads/2025/01/apple-touch-icon-180x180-1.png?w=180" sizes="192x192">

Declared: 192×192
Actual: 180×180
Format: WebP
File size: 7.9 KB
HTTP: 200
Content-Type: image/webp

Declared size doesn’t match the file. Browsers may pick the wrong icon for small tabs.

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 warning · 1 optional

Apple touch icon

Warning

<link rel="apple-touch-icon" href="https://www.heroku.com/wp-content/uploads/2025/01/apple-touch-icon-180x180-1.png?w=180">

Declared: no sizes
Actual: 180×180
Recommended: 180×180
Background: not measured
File size: 7.9 KB
HTTP: 200

iOS needs a PNG; this is WebP.

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
16×16
Larger than 48×48 pxGoogle recommends more than 48×48 so the icon looks sharp. A declared 96×96 PNG or the 180 px Apple touch icon works.
16 px
Declared on the homepage
yes
Not blocked by robots.txt
allowed
Stable URL
no redirects

Meta & legacy

1 passed · 3 optional

theme-color
#5A1BA9
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

6 passed · 1 warning

HTTPS for every icon
3 of 3
No mixed content
0 http:// links
No broken links
0 errors
Cache headersIcons rarely change; cache them for at least a day.
2 of 3 · ≥ 1 day
Total icon weight
8.7 KB
Redirects
0
Duplicate tags
none

Icon tags found in <head>

<link rel="icon" href="https://www.heroku.com/wp-content/uploads/2025/01/apple-touch-icon-180x180-1.png?w=32" sizes="32x32">
<link rel="icon" href="https://www.heroku.com/wp-content/uploads/2025/01/apple-touch-icon-180x180-1.png?w=180" sizes="192x192">
<link rel="apple-touch-icon" href="https://www.heroku.com/wp-content/uploads/2025/01/apple-touch-icon-180x180-1.png?w=180">
<meta name="theme-color" content="#5A1BA9">
<meta name="msapplication-TileImage" content="https://www.heroku.com/wp-content/uploads/2025/01/apple-touch-icon-180x180-1.png?w=180">

Questions about the heroku.com favicon

Where is the heroku.com favicon?

The main one is at https://www.heroku.com/wp-content/uploads/2025/01/apple-touch-icon-180x180-1.png?w=32. The default path, https://www.heroku.com/favicon.ico, also returns an icon.

What size is the heroku.com favicon?

apple-touch-icon-180x180-1.png is 32×32. The largest raster icon on the site is apple-touch-icon-180x180-1.png at 180×180 px.

Can Google Search show the heroku.com favicon?

The site meets Google's rules: favicon.ico is an ICO file with 16 px images (198 B) and robots.txt allows it. Google recommends more than 48×48 px, so a larger icon would look sharper. Google still decides what it shows.

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

The Apple touch icon is 180×180. There is no readable web app manifest, so there is no maskable icon either.

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