What is the impact of DIV+CSS Web page layout on SEO optimization

First: Div+css page for spider crawl efficiency

DIV+CSS Code Simplification is table can not match, even if the div CSS HTML plus corresponding CSS files are generally less than the table HTML file, Div+css realized the style and layout completely separated, the front of the garbage code a large number of reduction, the content more prominent, Let spiders crawl on your site quickly and crawl through your site in a short time.

Second: Improve the speed of Web page opening

All week: The client is God. Search engine is no exception, so the search engine will first crawl the customer experience a better site. The real seoer is not just for the pursuit of inclusion, ranking, fast response speed is to improve the user experience degree of the basic Web site. Ask: If you open a site need more than a minute, you will come to this site next time?
Div+css layout less page code than table layout, loading speed is greatly improved, which is very advantageous when crawling spider. Excessive page code may cause crawling timeout, Spider will think that this page can not be accessed, the impact of the collection and weight.
Outside: Tale layout of the page to open the principle: the General table layout of the page is a large table set in the table, the table nested small table, small table and then set a small table. Generally the first table (the outermost) to read out to display, reading large tables and also read the small table in the large table, greatly lengthened the page opening speed.
That is, when the browser loaded the table page is usually loaded <table> start and so on </table> and loading the table closed before the content sent out to the viewer, so that visitors feel the page and so on a long time to feel slow.

Third: The impact of search engine rankings

DIV+CSS layouts based on XHTML standards are generally designed to be as sophisticated as possible to authenticate through the consortium. There are no search engines to show that the ranking rules tend to conform to the standards of the Web site or page, but it turns out that using XHTML architectures is generally a good position. This may be controversial, but what about the bandits ' addiction to suck the 3 庋? Zhang the Tomb, 檎 Click the end of the pot, ligularia the Meteor box? Rong the dress non-segmental PHLC?/p>

Div+css's overall control of the Web page is much stronger. Through simple code modification, you can greatly improve the code of the site to optimize the revision. Practicality is very strong.
Many people feel that CSS is good for the rankings, but the factors that affect the rankings are much heavier. It's not the only thing that doesn't have a foundation. You can also use a table but not more than three floors. Advise not css+div friends have time to study

The div+css of the bad:

1, the Development div+css page relative to the table page need more development time
2, compatibility, because it is now in the browser war, and the different browsers of the core caused a little bit of CSS properties to explain the different and create a compatibility problem, this is the novice more difficult problem. It is believed that browsers will be able to unify their interpretation in accordance with the standard of the consortium.

Benefits of using H1, H2, H3 tags in web pages

In the production of Web pages we have to get used to some tags, although the use of these tags we also need to set his CSS style, but for the site's SEO we try to adapt.

Can the H1 tag appear multiple times in a Web page (HTML) (

H2 and H3 have no unique meaning compared to H1, so they can be used a few times in a page.
Through H1,h2,h3,b and other ways to make a Web page in the search engine looked at a level and focus, more in line with SEO optimization, conducive to search engine rankings.

Specifically, the H1,H2,H3 style (such as text size, etc.) can be set by CSS style settings to help beautify the page.

Why to use the UL Li layout website navigation bar Css+seo Optimization Chapter

Why use the UL Li layout website navigation bar? Use the UL Li Layout website to navigate the necessity of Web navigation. It is very important for SEO optimization. CSS Div layout when considering SEO factors.

will be layout of all know the site navigation bar layout is very important, perhaps a navigation bar final layout effect can sometimes use the UL Li List label layout, sometimes without the UL Li layout, but directly a div box directly put anchor text hyperlink column name, also can realize, look at the figure below.

If you want to layout such a simple navigation bar effect

For example, the following code:

1, can use the UL Li Layout navigation bar

<ul>
<li><a href= "/" > Home </a></li>
<li><a href= "/html/" >html tutorials </a></li>
<li><a href= "/htmlrumen/" >html Getting Started </a></li>
<li><a href= "/html5/" >HTML5 tutorials </a></li>
<li><a href= "/rumen/" >css tutorials </a></li>
<li><a href= "/cssrumen/" >css Getting Started </a></li>
</ul>

2, also can not use the UL Li layout

<div class= "NAV" >
<a href= "/" > Home </a>
<a href= "/html/" >html tutorials </a>
<a href= "/htmlrumen/" >html Getting Started </a>
<a href= "/html5/" >HTML5 tutorials </a>
<a href= "/rumen/" >css tutorials </a>
<a href= "/cssrumen/" >css Getting Started </a>
</div>

Through the above two kinds of layout can achieve the same navigation bar layout effect, but DIVCSS5 recommended the use of UL Li Layout, even more than a few UL Li tag code is no harm.

This is why (recommended ul Li)?

Without considering the site optimization seo layout, DIVCSS5 is recommended not to UL Li layout to save HTML code, but the general site to consider search engine ranking factors (SEO), at this time if not UL Li but directly in a box to put anchor text hyperlink column name, Although the amount of HTML code is reduced, but this search engine is easy to think that there is a stack of keywords suspected (intentionally piling keywords easily by search engines have the risk of falling right). If you use the UL Li List label layout, this time the search engine can easily be identified as organized list-type content (more friendly to search engine spiders).

Synthesis of the above description, it is not difficult to see sometimes in the div CSS page layout to consider SEO search engine optimization When the page layout appropriate use of H1, H2, H3, H4, B, strong and other labels necessary, if the HTML CSS layout in the flexible use of different HTML tags, Might get an unexpected effect. Of course the use of different labels is enough, do not abuse later become counterproductive.