How can I get a web site s favicon

Question

Simple enough question  I ve created a small app that is basically just a favourites that sits in my system tray so that I can open often-used sites folders files from the same place  Getting the default icons from my system for known file types isn t terribly complicated  but I don t know how to get the favicon from a website   SO has the grey- gt orange stack icon in the address bar for instance  Does anyone know how I might go about that

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Updated 2020  Here are three services you can use in 2020 onwards   lt img height  16  width  16  src  https   icons duckduckgo com ip3 www google com ico    gt    lt img height  16  width  16  src  http   www google com s2 favicons domain www google com    gt    lt img height  16  width  16  src  https   api statvoo com favicon  url google com    gt

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This is a late answer  but for completeness  it is difficult to get even close to fetching 90  all favicons  A while ago I wrote a WordPress plugin which attempts to get closer to 100   This is how it works   It starts by searching existing favicon repositories such as Google favicons and GetFavicons for the favicon   If none of them returns an icon  the plugin attempts to get the icon itself  This involves traversing several pages on the domain   The plugin then inspects the physical image file  because on some servers files get returned with the incorrect mime types    The code is still not perfect because in the details you will find many weird situations  people have wrongly coded paths  e g  img favicon ico where img is not in the root  duplicate headers in HTML output  different server responses from the head and body etc  The core of the fetching part is here so you can reverse-engineer it  but be aware that validating the response should be done  checking image filetype  mime etc

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The SHGetFileInfo  Check pinvoke net for the signature  lets you retrieve a small or large icon  just as if you were dealing with a file folder Shell item

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Sometimes we can t get the favicon image with the purposed solution as some websites use  png or other image extensions  Here is the working solution   Open your website with a firefox browser  Right-click on the website and click the  quot View page info quot  option from the list  It will open up a dialog and click on the  quot Media quot  tab  In that tab you will see all the images including favicon  Select the favicon ico image or click through the images to see which image is used as favicon  Some websites use  png images as well  Then click on the  quot Save As quot  button and you should be good to go   thanks

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Using jquery  var favicon      link rel  shortcut icon     attr  href                       link rel  icon     attr  href

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You can get the favicon URL from the website s HTML  Here is the favicon element   lt link rel  quot icon quot  type  quot image png quot  href  quot  someimage png quot    gt   You should use a regular expression here  If no tag found  look for favicon ico in the site root directory  If nothing found  the site does not have a favicon

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It s a good practice to minimize the number of requests each page needs  So if you need several icons  yandex can do a sprite of favicons in one query  Here is an example http   favicon yandex net favicon google com stackoverflow com yandex net

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You ll want to tackle this a few ways    Look for the favicon ico at the root of the domain  www domain com favicon ico Look for a  lt link gt  tag with the rel  shortcut icon  attribute   lt link rel  shortcut icon  href   favicon ico    gt  Look for a  lt link gt  tag with the rel  icon  attribute   lt link rel  icon  href   favicon png    gt    The latter two will usually yield a higher quality image     Just to cover all of the bases  there are device specific icon files that might yield higher quality images since these devices usually have larger icons on the device than a browser would need    lt link rel  apple-touch-icon  href  images touch png    gt    lt link rel  apple-touch-icon-precomposed  href  images touch png    gt     And to download the icon without caring what the icon is you can use a utility like http   www google com s2 favicons which will do all of the heavy lifting   var client   new System Net WebClient     client DownloadFile        http   www google com s2 favicons domain stackoverflow com        stackoverflow com ico

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You can use Google S2 Converter   http   www google com s2 favicons domain google com  Source  http   www labnol org internet get-favicon-image-of-websites-with-google 4404

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You can use Getfv co       To retrieve a favicon you can hotlink it at    http   g etfv co  URL    Example for this page   http   g etfv co https   stackoverflow com questions 5119041 how-can-i-get-a-web-sites-favicon  Download content and let s go    Edit     Getfv co and fvicon com look dead  If you want I found a non free alternative   grabicon com

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You can do it without programming  Just open the web site  right-click and select  view source  to open the HTML code of that site  Then in the text editor search for  favicon  - it will direct you to something looking like   lt link rel  icon  href   SOMERELATIVEPATH favicon ico  type  image x-icon    gt    take the string in href and append it to the web site s base URL  let s assume it is  http   WEBSITE     so it looks like     http   WEBSITE SOMERELATIVEPATH favicon ico   which is the absolute path to the favicon  If you didn t find it this way  it can be as well in the root in which case the URL is http   WEBSITE favicon ico   Take the URL you determined and insert it into the following code    lt html gt     lt head gt      lt title gt Capture Favicon lt  title gt        lt  head gt     lt body gt       lt a href  http   WEBSITE SOMERELATIVEPATH favicon ico  alt  Favicon   gt Favicon lt  a gt      lt  body gt   lt  html gt    Save this HTML code locally  e g  on your desktop  as GetFavicon html and then double-click on it to open it  It will display only a link named Favicon  Right-click on this link and select  Save target as     to save the Favicon on your local PC - and you re done

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HttpWebRequest w    HttpWebRequest HttpWebRequest Create  quot http   stackoverflow com favicon ico quot     w AllowAutoRedirect   true   HttpWebResponse r    HttpWebResponse w GetResponse     System Drawing Image ico  using  Stream s   r GetResponseStream          ico   System Drawing Image FromStream s      ico Save  quot favicon ico quot

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In 2020  using duckduckgo com s service from the CLI  curl -v https   icons duckduckgo com ip2  lt website gt  ico  gt  favicon ico   Example  curl -v https   icons duckduckgo com ip2 www cdc gov ico  gt  favicon ico

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The first thing to look for is  favicon ico in the site root  something like WebClient DownloadFile   should do fine  However  you can also set the icon in metadata - for SO this is    lt link rel  shortcut icon     href  http   sstatic net stackoverflow img favicon ico  gt    and note that alternative icons might be available  the  touch  one tends to be bigger and higher res  for example    lt link rel  apple-touch-icon     href  http   sstatic net stackoverflow img apple-touch-icon png  gt    so you would parse that in either the HTML Agility Pack or XmlDocument  if xhtml  and use WebClient DownloadFile    Here s some code I ve used to obtain this via the agility pack   var favicon     favicon ico   var el root SelectSingleNode   html head link  rel  shortcut icon  and  href     if  el    null  favicon   el Attributes  href   Value    Note the icon is theirs  not yours

User · Answer

http   realfavicongenerator net favicon checker site http   stackoverflow com gives you favicon analysis stating which favicons are present in what size  You can process the page information to see which is the best quality favicon  and append it s filename to the URL to get it

[c#] How can I get a web site's favicon?

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