SEO > The comparative analysis of programs for the seo-experts executed in the form of extension for a browser.

For professional seo-expert, promoting a great number of web sites and constantly analysing different search parameters, qualitative and convenient tools are simply necessary. Obvious advantage of the programs executed in the form of extensions for browsers is the opportunity of instant getting a great number of search parameters at once. When their using, the necessity to use some various services entirely disappears, that essentially reduces seo-expert’s time input and allows it to concentrate on the analysis, instead of searching information. 

For today in the European market have been presented enough of similar programs, and it possible to speak about a serious competition.

The lead representatives of this category are SearchStatus from Quirk, Seobook extension from Aaron Wall and SEOpen from Damian Smith.  

Also it is worth to mention Seoquake extension, which possible to analyse more than 30 searching parameters and can work with separate web sites and Search Engine Result Pages as well.  This function considerably reduces time for getting of these parameters in the alternative ways. In settings of add-on it is possible to set necessary parameters, as automatically, and by inquiry. Seobook extension possesses similar function also.

For definition of other features of considered extensions, we shall conduct the comparative analysis.

Working with browsers. As Mozilla Firefox is a browser, which is more friendly to extensions, all mentioned add-ons successfully work with it. In case of Internet Explorer, Seoquake extension works with it, but only in the beta-version.

Working with parameters of search systems. With parameters of leading search systems work all extensions. Seobook analyzes Google, Yahoo and MSN data, SearchStatus and  SEOpen also analyze Alexa. Seoquake extension works with all mentioned search systems, plus with the some else (for example, TechnoRati), at installation of an additional plug-in.

Add-on castomization opportunity. Seoquake gives the opportunity to choose parameters which will be shown on the screen. Moreover, besides a choice of search systems and parameters for the analysis, the user can establish what of them will be defined automatically, and what - only by inquiry.

Creation of additional  parameters. Seoquake extension gives unique function of creation additional parameters for the analysis in Java script. Even if you do not know it, at the official site of extension it is always possible to download the additional parameters made by other users.

The analysis of pages in index number. It is given by all add-ons.

Checking the inclusion in leading catalogues. This function is present at extensions Seobook (DMOZ, Yahoo),  SEOpen (DMOZ) and Seoquake (DMOZ).

Statistics of internal and outgoing links. It is presented only by Seoquake extension. The number of internal and outgoing links, and parameters of site pages on which refer are analyzed.

Statistics of backlinks. It is presented by Seobook and SEOpen (Yahoo, Google, MSN, Alexa).

Checking Robots.txt. It is offered by all extensions, except for Seobook.

Checking Nofollow and Noindex. Also it is offered by all extensions, except for Seobook and SEOpen.

Link on Whois. Is offered by all extensions, except for Seobook.

Domain age. Is defined by all extensions, except for Seobook and SEOpen.

Keywords density definition. It is presented by SEOpen an Seoquake extensions. The density and frequency of keywords are defined, the keyword cloud is created, exists a filter for density and frequency definition by separate words.

On the face of presented data, it is possible to conclude, that today everyone seo-expert can choose for himself the suitable tool, depending on features of his work. You can download Seoquake extension absolutely free of charge on a site www.seoquake.com.