how do search engines index images?

Discussion in 'Search Engine Optimization' started by rowen77, Oct 16, 2007.

  1. #1
    basic question i know. I've got hundreds of images on my site and I don;t think any as yet have come up on google images.

    site:www.near-east-images.blogspot.com
     
    rowen77, Oct 16, 2007 IP
  2. Camay123

    Camay123 Well-Known Member

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    #2
    alt tag may be helpfull.
     
    Camay123, Oct 16, 2007 IP
  3. scorpionagency

    scorpionagency Well-Known Member

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    #3
    ok, for an Optimal image you want to have the smallest file size to aid in load time, I would suggest .Gif if possible Maybe .Jpg (Try and stay away from .Png)

    For an indexable image you should have Both the Title & the Alt attribute... Here's an example of what I mean:

    Pre-sized image:

    <img src="yourdomain.com/file/image.gif" alt="alternate text here" title="title of image here">

    & if you are manually sizing the Image it would resemble this:

    <img src="yourdomain.com/file/image.gif" height="100" width="75" alt="alternate text here" title="title of image here">

    It's that easy...

    I wish you luck!
     
    scorpionagency, Oct 16, 2007 IP
  4. jg_abad

    jg_abad Peon

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    #4
    try to give proper image name, i mean use keyword in image name, and give proper alt tag. other things will remain same as scorpionagency told.
     
    jg_abad, Oct 16, 2007 IP
  5. Bob Smith

    Bob Smith Peon

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    #5
    Use alt and title (both) for images as only alt does not work well in mozilla (sometimes)...
     
    Bob Smith, Oct 16, 2007 IP
  6. twalters84

    twalters84 Peon

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    #6
    Hey there,

    I would never use the height and width tag for images. In most cases, it causes pixelation - the graphics may blur.

    I am not sure what it does, but there is an image search in the google webmaster tools. Does anybody know what this does?

    Sincerely,
    Travis Walters
     
    twalters84, Oct 16, 2007 IP
  7. rowen77

    rowen77 Peon

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    #7
    is there any website that can explain these things (title and alt attribute) in simple step by step terms as I'm yet to find any. Or can someone please explain really simply, would be much appreciated. Thanks
     
    rowen77, Oct 18, 2007 IP
  8. scorpionagency

    scorpionagency Well-Known Member

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    #8
    Alt Attribute: From Wikipedia

    The alt attribute is used in HTML and XHTML documents to specify text that is to be rendered when the element to which it is applied cannot be rendered. In HTML 4.01, the attribute is required for the img and area element types. It is optional for the input element type and the deprecated applet element type.

    Alternative text is especially useful in the following situations:

    * For people with low bandwidth connections, who may opt not to load graphics
    * For people using handheld devices
    * For people with disabilities who use assistive technology, such as refreshable braille displays or screen readers
    * Search engine optimization: most search engines interpret the meaning of objects by analysing their alt attribute

    In the early years of Internet development, alternative text was particularly helpful to people using text-only browsers (like Lynx). Nowadays, even when graphical capabilities are taken for granted, alternative text is still highly appreciated by users with accessibility requirements and users looking for ways to optimize their network bandwidth use.

    While the use of meaningful alt text is necessary to comply with accessibility standards, and is good practice, sometimes an image is used for purely decorative purposes. In this case, one should use an empty alt attribute (alt="").

    The alt attribute is commonly, but incorrectly, referred to as an image's "alt tag". It is not intended to provide "pop up" text or tooltips when a user's mouse hovers over the image, though alt text has historically been presented in this way in some web browsers; HTML's title attribute is intended for supplementary information that can be used in this way. (To use alt correctly and suppress the tooltip that some web browsers generate, a web author can use an empty title attribute.)

    Title Attribute: From w3.org

    This attribute offers advisory information about the element for which it is set.

    The title attribute can be used with all elements except for base, basefont, head, html, meta, param, script, and title, but it isn’t required for any. Maybe that’s why it’s less clear when to use it.

    Use this to provide additional information that is not essential. Most visual browsers display title text as a tool tip when the element is hovered over, however it is up to the browser manufacturer to decide how the title text is rendered. Some will display the text in the status bar instead. Early versions of Safari did this, for instance.

    One good use of the title attribute is to add descriptive text to links, especially if the link text itself doesn’t clearly describe the link’s destination. This way you can help visitors know where the link will take them, possible saving them from loading a page only to find out it wasn’t anything they’re interested in. Another potential use is to provide additional information for an image, like maybe a date or other information that is likely not essential.

    Title text can be longer than alt text. However, keep in mind that some browsers crop the text they display (as a tooltip or otherwise). Browsers based on Mozilla, for example, only display the first 60 characters of a title text in a tooltip. While that should likely be considered a Mozilla bug, it’s something you should be aware of.

    Hopw this was a bit helpful & not too confusing...
     
    scorpionagency, Oct 19, 2007 IP
  9. Aaron111

    Aaron111 Well-Known Member

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    #9
    Aaron111, Dec 29, 2007 IP
  10. magda

    magda Notable Member

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    #10
    you also have to take into account that the Image search gets updates a lot less frequently than regular serps. And the text around the image is as important as the alt tag
     
    magda, Dec 30, 2007 IP
  11. nobitu

    nobitu Banned

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    #11
    the image name is required?
     
    nobitu, Dec 30, 2007 IP
  12. Aaron111

    Aaron111 Well-Known Member

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    #12
    magda whats the diference here??? (Image search gets updates a lot less frequently than regular serps.)
     
    Aaron111, Dec 30, 2007 IP
  13. MrSandMan

    MrSandMan Well-Known Member

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    #13
    Please tell me if I am doing it right. I always thought google like the way that I do it, but I don't know...

    What I do is this:

     
    MrSandMan, Dec 30, 2007 IP
  14. scorpionagency

    scorpionagency Well-Known Member

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    #14
    Looks the same as the examples I posted with one exception, you aren't using the fall back "Title Attribute" in your mark up.

    The Only reason I use both the alt & title attributes in images is because as we all know each search engine is different. While Google & Yahoo read the Alt attribute, other engines such as AltaVista, AlltheWeb, Etc. Don't read it at all. So the title attribute serves as a fall back to the engines that are not programed for ALT.

    In addition, each browser is different, & don't display the alt text on mouse over while others do. the image "Title Attribute" allows the mouse over caption to pop up giving a little more detail about the image in question.

    Title attributes are also used in hyper text links to do the same thing (Provide a description to people thinking about visiting the link).

    We all do things different, the above is how I do it. I wish you the best of success!
     
    scorpionagency, Dec 30, 2007 IP
  15. nobitu

    nobitu Banned

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    #15
    @scorpionagency:

    That means the image name is nothing in IMG Searh?
     
    nobitu, Dec 30, 2007 IP
  16. scorpionagency

    scorpionagency Well-Known Member

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    #16
    Actually when you do an image search, such as googles & look at the caption under each image, some have the image name used in the Alt attribute & some have the description from the title attribute.

    Images that are manually submitted to google ask for a description (This is the image title).

    Otherwise, without any text relevance one wouldn't be able to pull up a specific image for a specific search term.
     
    scorpionagency, Dec 30, 2007 IP
  17. nobitu

    nobitu Banned

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    #17
    nobitu, Dec 30, 2007 IP
  18. scorpionagency

    scorpionagency Well-Known Member

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    #18
    Umm, when you put your mouse over the subaru images a little box pops up with the text "Subaru Forester Wallpaper" <<~~~ Thats the Title attribute, because it's there, it is an indexable image. I havent even looked at the source code, just the mouse over tells me that the images at least have a title attribute.
     
    scorpionagency, Dec 30, 2007 IP