What are backlinks
Backlinks (inbound links) are hyperlinks to your website placed on other websites. Google treats each backlink as a “vote of confidence” from one website to another.
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Why backlinks matter
The PageRank algorithm at the core of Google was created by Larry Page specifically to evaluate the link authority of pages. The principle is simple: pages with more high-quality links rank higher.
Although Google now uses more than 200 factors, backlinks remain one of the three main ranking signals.
Quality vs. quantity
Not all backlinks are equally valuable:
| Characteristic | Valuable backlink | Useless / harmful |
|---|---|---|
| Domain | Authoritative, relevant to the topic | Spammy, irrelevant |
| Attribute | Dofollow | Nofollow (does not pass link equity) |
| Position on the page | In the article text | In the footer, sidebar |
| Context | Topically relevant | Irrelevant |
| Referring site traffic | Has real visitors | No traffic |
How to get quality backlinks
White-hat strategies
1. Creating link-worthy content Research, infographics, unique data, tools—things that attract organic links.
2. Guest posting Writing articles for relevant blogs and publications with a link to your website.
3. Digital PR Coverage in industry media, interviews, expert commentary.
4. Broken link building Finding broken links on competitors’ websites and offering your content as a replacement.
5. Link exchanges Exchanging links with websites that are related to your topic but are not competitors.
Analyzing your backlink profile
Regularly analyze:
- New and lost backlinks
- Anchor text distribution
- Toxic links (low-quality referring sites)
- Backlink profile growth over time
Tools:
- Ahrefs, SEMrush — comprehensive analysis
- Google Search Console → Links
- Majestic — specialized analysis
Disavow: rejecting toxic links
If your website has received toxic links (spammy or purchased), Google Disavow lets you report that you do not want these links to be taken into account:
# Disavow файл (формат)
# Отклонить конкретный URL
https://spam-site.com/bad-page
# Отклонить весь домен
domain:spam-site.com
Upload it via Google Search Console → Links → Disavow.
Checking links with reChecker
Use the Link Analyzer to analyze links on your pages. The tool shows:
- All outgoing links (internal and external)
- Link attributes (nofollow, sponsored, ugc)
- Broken links
- Anchor text
FAQ
How many backlinks do I need to reach the top? There is no universal number. It depends on how competitive the niche is. For low-volume queries, 5–10 authoritative links are enough. For highly competitive queries, hundreds are needed.
Do purchased links work? In the short term, yes. In the long term, there is a risk of algorithmic (Google Penguin) or manual penalties. Purchased links should have the rel="sponsored" attribute.
How long does it take for a backlink to “work”? Google discovers new links when it crawls the web (usually within a few days). The effect on rankings becomes noticeable after 2–12 weeks, depending on the referring site's authority.