How to check donor sites for filters and malware
Why checking site donors is important
Any sanction leaves its trace on the site's history and reputation. In the case of banning, significant work must be done to deal with it and get the site unblocked. Promoting the sanctioned site is quite complicated as Google applies a Penguin filter for using wrong links.
A virus is malicious code, that means a result of hacking. The virus can harm the site itself as well as the whole hosting. The latter will cause spreading the malware among all the hosted websites. While entering the infected site, a user gets a notification that this is unsafe.
Checking a donor-site for sanctions
You may use some link markets' stats that estimate the site's trustworthiness and rank its possibility of being sanctioned.
An analyzer that can help to see the risk of becoming filtered is Websites Penalty Indicator. The tool is free and available without registration. It helps to trace how Google algorithms' updates influence the site.
- proxy and botnets;
Doorways create additional sites inside yours which post ads. Proxy and botnets waste your site resources on spam traffic.
Iframe is a severe threat not only for the site but for a computer as well. It can steal confidential information, provide fraud schemes, load trojan, and other kinds of viruses.
Shell gets integrated into a remote server and changes the initial code. Then you lose the site control. If the site which refers to you has at least one of the mentioned viruses, this seriously threatens your web-resource.
While entering the infected site, your antivirus signalizes about the threat. Either, Google also will notify you about the risks.
Find malicious sites with Serpstat
- URL: the address of the domain or subdomain that is referenced.
- Number of backlinks from domain: the number of links from a donor indicated in the column "URL" that lead to the analyzed site.
- Platform: the type of platform/operating system for which this vulnerability is relevant. Possible options:
- social engineering;
- unwanted software;
- potentially harmful application;
To check the site for sanctions and verify its traffic, you should use the Websites Penalty Indicator. The examples of how filters affect the site traffic are mentioned above.
It's not so hard to identify viruses, because while entering the site, you receive a warning message either from your antivirus software or search engine. In addition, you can use a Virustotal tool to be sure that the referring site is clear and safe.
This article is a part of Serpstat's Checklist tool
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