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stanford.edu favicon

https://www.stanford.edu/ · 1 redirect · checked

  • 19passed
  • 1warning
  • 3missing
  • 5optional

The main favicon of stanford.edu is icon4.png, a 32×32 PNG file (1.5 KB). We found 7 icon files, 68.7 KB in total. Google Search can use icon1.png, a 192×192 PNG file (14.7 KB). The site scores 82 out of 100: 19 passed, 1 warning, 3 missing. Missing: SVG favicon, Apple touch icon, Web app manifest.

How it looks

Rendered from the files we found.

Stanford University
Browser tab · lightPassed
Stanford University
Browser tab · darkPassed
Stanford Universityhttps://www.stanford.edu
Stanford University At Stanford, a spirit of optimism and possibility energizes our mission of discovery and learning. Here you’ll find a place of intellectual expansiveness, wide-ranging perspectives, and freedom to explore new lines of thinking. Alive with ideas and innovation, approaching questions with openness and
Google searchPassed
Stanford University
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 stanford.edu

7 found
FileFound throughFormatSizeWeight
favicon.icodefault pathICO16, 32, 48 px14.7 KB
favicon.icorel="icon"ICO16, 32, 48 px14.7 KB
icon1.pngrel="icon"PNG192×19214.7 KB
icon2.pngrel="icon"PNG180×18014.6 KB
icon3.pngrel="icon"PNG128×1287.7 KB
icon4.pngrel="icon"PNG32×321.5 KB
icon5.pngrel="icon"PNG16×16760 B

Classic favicon

7 passed

favicon.ico

Passed
GET /favicon.ico · not declared in HTML (found at the root)
Format
ICO (real)
Contains
16 · 32 · 48
File size
14.7 KB
HTTP
200
Content-Type
image/x-icon
Cache
4 hours

ICO 48×48

Passed
<link rel="icon" href="/favicon.ico?favicon.1h-97ahdncqw4.ico?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="48x48" type="image/x-icon">
Declared
48×48
Actual
16 · 32 · 48
Format
ICO
File size
14.7 KB
HTTP
200
Content-Type
image/x-icon

PNG 192×192

Passed
<link rel="icon" href="/icon1.png?icon1.2k3tekyi17a_q.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="192x192" type="image/png">
Declared
192×192
Actual
192×192
Format
PNG
File size
14.7 KB
HTTP
200
Content-Type
image/png

PNG 180×180

Passed
<link rel="icon" href="/icon2.png?icon2.1g6c4ta893uxw.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="180x180" type="image/png">
Declared
180×180
Actual
180×180
Format
PNG
File size
14.6 KB
HTTP
200
Content-Type
image/png

PNG 128×128

Passed
<link rel="icon" href="/icon3.png?icon3.2x_8y9l2cnga3.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="128x128" type="image/png">
Declared
128×128
Actual
128×128
Format
PNG
File size
7.7 KB
HTTP
200
Content-Type
image/png

PNG 32×32

Passed
<link rel="icon" href="/icon4.png?icon4.1_egm0z63wn4n.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="32x32" type="image/png">
Declared
32×32
Actual
32×32
Format
PNG
File size
1.5 KB
HTTP
200
Content-Type
image/png

PNG 16×16

Passed
<link rel="icon" href="/icon5.png?icon5.1s5w2slgta8u9.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="16x16" type="image/png">
Declared
16×16
Actual
16×16
Format
PNG
File size
760 B
HTTP
200
Content-Type
image/png

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
    PNG · icon1.png
  • Square, at least 8×8 px
    192×192
  • Larger than 48×48 px
    192 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
    7 of 7
  • No mixed content
    0 http:// links
  • No broken links
    0 errors
  • Cache headersIcons rarely change; cache them for at least a day.
    0 of 7 · ≥ 1 day
  • Total icon weight
    68.7 KB
  • Redirects
    0
  • Duplicate tags
    none

Icon tags found in <head>

<link rel="icon" href="/favicon.ico?favicon.1h-97ahdncqw4.ico?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="48x48" type="image/x-icon">
<link rel="icon" href="/icon1.png?icon1.2k3tekyi17a_q.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="192x192" type="image/png">
<link rel="icon" href="/icon2.png?icon2.1g6c4ta893uxw.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="180x180" type="image/png">
<link rel="icon" href="/icon3.png?icon3.2x_8y9l2cnga3.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="128x128" type="image/png">
<link rel="icon" href="/icon4.png?icon4.1_egm0z63wn4n.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="32x32" type="image/png">
<link rel="icon" href="/icon5.png?icon5.1s5w2slgta8u9.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861" sizes="16x16" type="image/png">

Questions about the stanford.edu favicon

Where is the stanford.edu favicon?

The main one is at https://www.stanford.edu/icon4.png?icon4.1_egm0z63wn4n.png?dpl=60c0562f755d8422dc7c0b499f4fd1ee540ffff2db2da86b7b9b7ecdcff5c449366165393238666465376339336133313461333736343861. The default path, https://www.stanford.edu/favicon.ico, also returns an icon.

What size is the stanford.edu favicon?

icon4.png is 32×32. The largest raster icon on the site is icon1.png at 192×192 px.

Can Google Search show the stanford.edu favicon?

The site meets Google's rules: icon1.png is a 192×192 PNG file (14.7 KB) and robots.txt allows it. Google still decides what it shows.

Does stanford.edu 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.

More favicon reports

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