cdc.gov favicon

https://www.cdc.gov/index.html · 2 redirects · checked November 5, 2026

26passed
3warnings
3missing
2optional

The main favicon of cdc.gov is favicon-32x32.png, a 32×32 PNG file (539 B). We found 12 icon files, 57.6 KB in total. Google Search can use apple-touch-icon.png, a 180×180 PNG file (1.4 KB). The site scores 83 out of 100: 26 passed, 3 warnings, 3 missing. Missing: SVG favicon, maskable manifest icon, No broken links.

How it looks

Rendered from the files we found.

Centers for Disease Control and Prevention | CDC

Browser tab · lightPassed

Centers for Disease Control and Prevention | CDC

Browser tab · darkPassed

cdc.govhttps://www.cdc.gov

Centers for Disease Control and Prevention | CDC

Google searchPassed

CDC.gov

iOS home screenWarning

iOS fills transparent areas with black. Give the icon a solid background.

Android · maskableMissing

There is no maskable icon, so Android shrinks the regular one onto a white circle.

Centers for Disease Control and Prevention

PWA install & splashPassed

All favicon files of cdc.gov

12 found

File	Found through	Format	Size	Weight
favicon.ico	default path	ICO	16, 32, 48 px	14.7 KB
apple-touch-icon.png	rel="apple-touch-icon"	PNG	180×180	1.4 KB
favicon-32x32.png	rel="icon"	PNG	32×32	539 B
favicon-16x16.png	rel="icon"	PNG	16×16	432 B
safari-pinned-tab.svg	rel="mask-icon"	SVG	vector	1.9 KB
favicon-192x192.png	manifest	PNG	192×192	5.5 KB
favicon-512x512.png	manifest	PNG	512×512	15.3 KB
favicon-48x48.png	manifest	PNG	48×48	1.4 KB
favicon-72x72.png	manifest	PNG	72×72	2.0 KB
favicon-96x96.png	manifest	PNG	96×96	2.7 KB
favicon-144x144.png	manifest	PNG	144×144	4.1 KB
favicon-256x256.png	manifest	PNG	256×256	7.5 KB

Classic favicon

3 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: none

PNG 32×32

Passed

<link rel="icon" type="image/png" sizes="32x32" href="/TemplatePackage/5.0/img/favicon/favicon-32x32.png">

Declared: 32×32
Actual: 32×32
Format: PNG
File size: 539 B
HTTP: 200
Content-Type: image/png

PNG 16×16

Passed

<link rel="icon" type="image/png" sizes="16x16" href="/TemplatePackage/5.0/img/favicon/favicon-16x16.png">

Declared: 16×16
Actual: 16×16
Format: PNG
File size: 432 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 passed · 1 warning

Apple touch icon

Warning

<link rel="apple-touch-icon" sizes="180x180" href="/TemplatePackage/5.0/img/favicon/apple-touch-icon.png">

Declared: 180×180
Actual: 180×180
Recommended: 180×180
Background: transparent
File size: 1.4 KB
HTTP: 200

iOS fills transparent areas with black. Give the icon a solid background.

Safari pinned tab (mask-icon)

Passed

<link rel="mask-icon" href="/TemplatePackage/5.0/img/favicon/safari-pinned-tab.svg" color="#0056b3">

Color: #0056b3
File size: 1.9 KB

Legacy. Safari 12+ uses the regular favicon.

Web app manifest file

1 passed

json

manifest.json

Passed

<link rel="manifest" href="/TemplatePackage/5.0/json/manifest.json">

HTTP: 200
Content-Type: application/json
JSON: valid
File size: 1.7 KB
Same origin: yes
Cache: no-cache

Manifest fields

7 passed · 1 warning · 1 missing · 1 optional

name
Centers for Disease Control and Prevention
short_name
CDC.gov
start_urlThe page that opens when the installed app starts.
not set
display
standalone
theme_color
#075290
background_color
#ffffff
icons · 192×192
PNG · 5.5 KB · 200
icons · 512×512
PNG · 15.3 KB · 200
icons · purpose: maskableWithout it Android shrinks your icon onto a white circle.
not found
id
not set

Google search

6 passed

Supported file format
PNG · apple-touch-icon.png
Square, at least 8×8 px
180×180
Larger than 48×48 px
180 px
Declared on the homepage
yes
Not blocked by robots.txt
allowed
Stable URL
no redirects

Meta & legacy

3 passed · 1 optional

theme-color
#0056b3
theme-color for dark modemedia="(prefers-color-scheme: dark)"
not set
msapplication-TileColor
#0056b3
browserconfig.xml
found

Delivery & performance

5 passed · 1 warning · 1 missing

HTTPS for every icon
12 of 12
No mixed content
0 http:// links
No broken links/TemplatePackage/4.0/assets/imgs/favicon-36x36.png
1 error
Cache headersIcons rarely change; cache them for at least a day.
0 of 12 · ≥ 1 day
Total icon weight
57.6 KB
Redirects
0
Duplicate tags
none

Icon tags found in <head>

<link rel="apple-touch-icon" sizes="180x180" href="/TemplatePackage/5.0/img/favicon/apple-touch-icon.png">
<link rel="icon" type="image/png" sizes="32x32" href="/TemplatePackage/5.0/img/favicon/favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="/TemplatePackage/5.0/img/favicon/favicon-16x16.png">
<link rel="mask-icon" href="/TemplatePackage/5.0/img/favicon/safari-pinned-tab.svg" color="#0056b3">
<link rel="manifest" href="/TemplatePackage/5.0/json/manifest.json">
<meta name="msapplication-TileColor" content="#0056b3">
<meta name="theme-color" content="#0056b3">

Questions about the cdc.gov favicon

Where is the cdc.gov favicon?

The main one is at https://www.cdc.gov/TemplatePackage/5.0/img/favicon/favicon-32x32.png. The default path, https://www.cdc.gov/favicon.ico, also returns an icon.

What size is the cdc.gov favicon?

favicon-32x32.png is 32×32. The largest raster icon on the site is favicon-512x512.png at 512×512 px.

Can Google Search show the cdc.gov favicon?

The site meets Google's rules: apple-touch-icon.png is a 180×180 PNG file (1.4 KB) and robots.txt allows it. Google still decides what it shows.

Does cdc.gov have an Apple touch icon and a maskable icon?

The Apple touch icon is 180×180, with transparent areas that iOS turns black. The manifest has no maskable icon, so Android shrinks the regular one onto a white circle.

More favicon reports

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