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Webmasters, SEOs talk about Google and not other search engines like Bing and the words 'crawl', 'spider' and index are interchangeable words that they often use. Nowadays there are several spider simulator tools available on the internet. Most of them try to simulate the spider that is used by Google.
Every SEO wants to know how Google does its website ranking. No one outside Google knows the algorithm, and that is composed of thousands of code and mathematical calculations. The spider simulator tool found on the web tries to emulate Google.
The Google spider crawls over the internet and examines all the websites. It checks the internal and external links of each website it examines. It checks to see if the external links are working and not linking to spam sites. Google spider catalogs and indexes its findings of each website it crawls.
Google spider can only check linked pages and not pages or sites which require username and password to enter. If you cannot open a link by clicking on it, neither can Google. Just for a minute imagine if you were to open a page in Wikipedia. You click on each link of the page and on each link on the pages that open, this is what Google does.
Google likes links which are relevant and real links, and not malicious or spam links. If Google comes across a set of spam links on a site, it may penalize it.
People who frequently use the internet or have websites have this misconception that Google will crawl a website as soon as any changes are incorporated in it. It is a total misconception. Google crawls the sites on its schedule. However, it maintains a cache of the last time it crawled a website. The cache is a snapshot of your site that Google keeps on its servers. It means that any changes you make will not register immediately with Google. It will update the cache with any new information that it encounters when examining your website.
Google crawls website that uploads content frequently. For example, if you are a newspaper site and are uploading content regularly. Google will probably pay you a visit after every few hours. On the other hand, if your website seldom changes Google will visit you after a few weeks. If you want to know when the last time your website went through Google crawler test was enter cache:http://www.Your domain.com in the navigation bar of your browser and Google will tell you. Google will tell you when was the last time it took a snapshot and cached it.
If you want your website to be crawled often by Google, keep uploading content. The more frequently you upload content, the more often will Google spider visit you.
The Google index is the list of all the paged cache. Deciding which pages go on the list is what Google decides. The internet web is extremely broad, and Google decides which portion it's going to crawl. The websites that have useful information presented in an easily accessible way is what Google likes. The websites that have this will get indexed more frequently than sites that don’t. Site owners never know when Google pays them a visit. Yes, they might get surprised to see their website ranking changing. It will be an indication that Google has visited the site.
Link building plays a significant role in Google and SEO. If Google clicks on a link and discovers your site, that’s a plus point for you. The reason is that Google has found and indexed your site. Therefore link building plays a significant role in your website ranking with Google.
Both internal as well as external links matter. You should also ensure that your website is easy to navigate. If your site visitors can find linked pages quickly so can Google. Make sure you keep checking your external links with spider simulator by searchenginereports.net. If your external links are to sites that have authority and relevance; your website's ranking will improve. Spider simulator emulates Google crawl test.
One point to note is that Google does not index duplicate content. It knows when pages have similar or duplicate content. Therefore don't use it.
If Google finds your site easy to navigate, that’s a plus point for your website. Clean code, the good site map will make your site simpler to crawl for Google, and that's what you want.
When you use the spider simulation provided by searchenginereports.net or any spider simulation, you should get the following results.
With this information, you will get a superb idea of the performance of your website from Google. You can add Meta keywords and description in case they don’t exist.
Check your external links carefully and see if you are linking to sites that Google gives top ranking too. If it does your ranking should also improve. Searchenginereports.net spider simulator should become a part of the toolbox, and its periodic usage is recommended.