Reduce the number of outgoing links from your resource.

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The filter "many links at once" is imposed for a sharp increase in the link mass. The indexing of links does not occur immediately, for this reason, a small increase may be observed at first, then a sharp drop in the resource for all queries in the search results.

How to withdraw:

Reduce the number of outgoing links from your resource.

Broken links
Broken links are not a filter, but such an indicator has a negative impact on the ranking of the site. If the resource has many broken links, it will not get to the top of the search results.

Co-Citation Filter
Co-citation can be imposed if non-thematic resources provide a link to the site. The site is pessimized in the search results when this filter is imposed. The way out of the filter is to buy links from thematic sites, and delete the purchased links from resources of other topics.

"Co-citation" can be used to punish for purchasing links on spam sites that have a low level of trust and publish links on resources of various directions.

LinkFarming Filter and ReciprocalLinksFilter
These filters are imposed for exchanging links in networks.

To get your site out from under these filters, you should stop exchanging links and find legal ways to raise your resource in search results.

Content related filters
Supplemental results
A filter called "additional results" can be applied if the resource lacks unique content or if existing information is poorly rewritten. Such a site will not be completely removed from the index, but will be in the section with additional results, which will result in a drop in traffic.

Filter -30
The filter assumes a drop in the search results by 30 positions down and is imposed for using black venezuela whatsapp number databaseSEO methods. It is applied for the following violations:

doorways;
cloaking;
using hidden redirects;
Using SEO links.
How to withdraw:

If this filter has been imposed on a site, eliminate the violations as soon as possible, otherwise this may lead not only to the loss of the site's positions, but also to a complete departure from the index.

Duplicate content
The filter that is applied to resources with the same content has another name – “Panda”.

To avoid this, you need to not create a new page for each request, but rather intelligently cluster the semantics.

How it manifests itself:

there is a decrease in the positions of both the entire site and individual pages;
new pages are not indexed for a long time;
the number of unique users and transitions decreases.
One of the most important criteria for evaluating content in Google is behavioral factors. In this case, the content is evaluated not only by a robot, but also by assessors.

To do this, create unique, useful and easy-to-find content that will interest users and positively impact their viewing depth and time spent on the site.