Simulation Spider crawling Check dead chain

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As the content of the site continues to increase, there will inevitably be some link invalidation, this is called a dead link. The harm of the dead link is very big, will let the person to your website management loses confidence, thus loses a part of visitor. But to hand one check, it's impossible.!www.deadlinks.com 10 good dead chain inspection tools, within 1 minutes to check your entire site all the links.

Enter your website or blog home address in the URL input box, then the spider will read your HTML code and check the corrupted link. At the same time the spider will split into two types of links, internal (the same host) and external (the external link to the different domain). Once placed in your portal URL, spiders will visit your site and check the status of all links. When you're done, you'll see a report showing not only the 404 status, but all the dead links found.

Note: Spiders cannot crawl links within frames or JavaScript or flash within.

FAQs:

What is a spider's user agent?

Spider's User agent is: "Online link check (http://www.dead-links.com/)

What is the IP address of the spider?

The IP address of the spider is 216.93.174.12.

How do I make sure that the spider stays on my server log file?

Depending on any 2 log information, you can confirm that the spider has visited your server.

Are there any restrictions when grabbing a large number of pages?

Spiders have such a limit of 25 pages per domain and 150 external files, with a maximum execution time of 15 minutes.

If the spider finds a link to http://www.dead-links.com during the visit, the same domain page limit is increased to 150, and the external URL increases to 500, while the execution time increases.

Are spiders also complying with the robots.txt protocol?

We are in the process of development and the Protocol is not yet established.

Can I intercept spiders to visit my site?

Yes, you can do this either by blocking the user agent or the spider's IP address.

What is a MIME type?

Access information: MIME type.

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What is the URL and query string?

Access: Information URL and query string.

Does the spider know the links in frame, Javascrip, Java language, image map?

Now, robots do not recognize such links or redirects:

Links within frames

Links in JavaScript

Java applets internal links

Internal links for Flash objects

Internal links in IFRAMEs

• Internal links to image maps

• Flush tags with redirection elements

In your search engine rankings, these situations have a negative impact, which is very important.

So if spiders are crawling your site there is no problem explaining your site to SEO very well.

Spider reported that my site has 0 links, what is going on?

The reason may be which of the above technologies or links you are using.

Are there any tutorials to optimize my Site search engine?

Yes, please visit: Guidelines for search engines.

Put your links in the first field (links to your site).

Second, in the text box, enter the link list you want to do link analysis. Spiders don't need your link partner's HTML code to grab a link to your site one after another.

Then you have to place the exact link address you can find.

Spiders cannot access links placed in Frames,javascript, Flash, or server scripts.

Source: Xiamen Search engine Optimization (SEO) Observation room