If you use the WordPress 404 to 301 plugin, you will want to remove it, or at the very least update it. Users discovered that the plugin is injecting paid links that are only visible to search engines. So a site owner visiting their site would not see anything amiss, but checking it via a […]
The post Popular 404 to 301 WordPress Plugin Injecting Cloaked Spam Links for Search Engines appeared first on The SEM Post.
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