Do Picture Station optimization core

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Site image optimization of the core has two points: to increase the visibility of the search engine text description, as well as to maintain the image quality of the case to compress the image of the file size.

Each image <IMG> label has an ALT attribute that the search engine reads to learn about the image. Therefore, it is best to have a text description in the ALT attribute of all illustrations, with the page keyword in it.
as follows the homepage logo Part code is:

<img src= "/article/uploadpic/2007-3/200739223415731.gif" alt= "Shenzhen City Network letter design Studio" width= "" height= "" border= "0" >

Text Description:

In addition to the ALT attribute text, you can also consider the following methods to optimize the image directly so that it is searched:

1, above or below the picture plus the description text containing the keyword;

2. Add a heading title tag containing the keyword section in the code and add a text description below the picture.

3, under the picture or next to add such as "more so-and-so" link, including keywords.

4, create a number of both to attract users and attract search engine text within the page, first of all to attract traffic to these pages, and then provide text links to your picture page.

Overall, the page should minimize decorative pictures as well as large pictures. The text in the ALT attribute is less important to the search engine than the text in the text.

GIF and JPGE image optimization:

The alt attribute and the text description are all just optimized for the text environment outside the image, so let's talk about optimizing the picture itself. The aim of the image file optimization is to minimize the file size in order to speed up the overall download speed of the page without affecting the image picture effect.

Web page picture format mainly has GIF and jpge two kinds of forms. Generally speaking, GIF is suitable for line graph and enterprise logo; JPEG is suitable for the format of photo elements. By reducing the number of GIF colors, reducing the size of the picture and reducing the resolution to reduce the file, you can use cascading style sheet to achieve optimization. The higher the Photoshop version, the more it works for network Graphics. In addition, the large picture cut into a number of small pictures in different table areas for stitching, can also relatively faster download time.

Tool recommendation (English):

www.xat.com/internet_technology/download.html (Picture optimization tool)

1. Move the script to the bottom of the page

Most Java code can be moved to the end of the page without affecting the functionality of the site. This allows you to start highlighting keywords and speed up page loading time.

2, the Java script into a. js extension of the file.

The. js file that contains your JavaScript is usually cached in the Web site visitor's browser, making the next visit faster and making it easier to modify and maintain the site.

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