edx.org favicon

https://www.edx.org/ · 1 redirect · checked November 5, 2026

13passed
1warning
3missing
5optional

The main favicon of edx.org is favicon.ico, an ICO file with 16, 32, 48, and 256 px images (25.7 KB). We found 1 icon file, 25.7 KB in total. Google Search can use the same file. The site scores 78 out of 100: 13 passed, 1 warning, 3 missing. Missing: SVG favicon, Apple touch icon, Web app manifest.

How it looks

Rendered from the files we found.

edX | Online Courses, Certificates & Degrees from Leading Institutions

Browser tab · lightPassed

edX | Online Courses, Certificates & Degrees from Leading Institutions

Browser tab · darkPassed

edXhttps://www.edx.org

edX | Online Courses, Certificates & Degrees from Leading Institutions Find the online learning path for you, delivered by world-class institutions like Harvard, Google, Amazon, and more.

Google searchPassed

edX

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 edx.org

1 found

File	Found through	Format	Size	Weight
favicon.ico	rel="icon" · default path	ICO	16, 32, 48, 256 px	25.7 KB

Classic favicon

1 passed

favicon.ico

Passed

<link rel="icon" href="/favicon.ico" type="image/x-icon" sizes="16x16">

Format: ICO (real)
Contains: 16 · 32 · 48 · 256
File size: 25.7 KB
HTTP: 200
Content-Type: image/x-icon
Cache: 5 min

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

6 passed

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 URL
no redirects

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

6 passed · 1 warning

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

Icon tags found in <head>

<link rel="icon" href="/favicon.ico" type="image/x-icon" sizes="16x16">

Questions about the edx.org favicon

Where is the edx.org favicon?

The main one is at https://www.edx.org/favicon.ico.

What size is the edx.org favicon?

favicon.ico is 16, 32, 48, 256 px.

Can Google Search show the edx.org favicon?

The site meets Google's rules: favicon.ico is an ICO file with 16, 32, 48, and 256 px images (25.7 KB) and robots.txt allows it. Google still decides what it shows.

Does edx.org 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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