Low quality backlinks.

[ashishbinnani]

Low quality backlinks are very harmful for website. It is irrelevant backlinks for your website. If you make low quality backlinks for your website then google out your keywords from ranking. SO I suggest you don't make low quality backlinks for your website.

[rahilvattya]

What are low quality backlinks. Low quality backlinks are those links that come from irrelevant sites or link farms. If you have any and you know after placing the links then report it to Google Disavow Tool immediately.

[dotnettraining]

Low-quality backlinks come from spammy sites, link farms, hаcked pages, or thin directories with zero relevance. Detect them via Search Console, Ahrefs, or Semrush by checking DR, anchor text abuse, and toxic footprints.
They don't boost SERP, they dilute trust. Remove by outreach or disavow.