Link building statistics for 2026.

After analyzing 11.8 million Google search results, Backlinko found the #1 ranking result has an average of 3.8 times more backlinks than the pages in positions 2 through 10.

Source: Backlinko: We Analyzed 11.8 Million Google Search Results (2020)

Backlinko found the #1 result in Google has roughly 3 times more referring domains than the pages ranking in positions 2 through 10, indicating link diversity correlates with rankings.

Source: Backlinko: We Analyzed 11.8 Million Google Search Results (2020)

Semrush's ranking factors study found pages ranking #1 in Google have over 200 referring domains on average, compared with fewer than 80 referring domains for pages ranking at position #10.

Source: Semrush: What Are Referring Domains? + How They Affect SEO (2023)

In an Ahrefs study of 44,589 keywords, the number of referring domains pointing to a page was the strongest backlink metric correlating with higher Google rankings.

Source: Ahrefs: Do Links From Pages With Traffic Help You Rank Higher? (2020)

Ahrefs research shows a clear positive correlation between the number of referring domains pointing to a page and the amount of organic search traffic that page receives.

Source: Ahrefs: 107 SEO Statistics (2024)

Authority Hacker's survey found 75 percent of SEO professionals agree that the number of referring domains correlates with search rankings.

Source: Authority Hacker link building statistics (via Embryo) (2023)

In Authority Hacker's survey, 89.2 percent of link builders reported it takes between 1 and 6 months to see the effects of acquired links on search rankings.

Source: Authority Hacker link building statistics (via Embryo) (2023)

Backlinko's analysis of 11.8 million search results found that approximately 95 percent of all web pages have zero backlinks, underscoring how rare links are for the average page.

Source: Backlinko: We Analyzed 11.8 Million Google Search Results (2020)

A BuzzSumo and Backlinko study of 912 million articles found that content longer than 3,000 words earns an average of 77.2 percent more referring domain links than content shorter than 1,000 words.

Source: Backlinko: We Analyzed 912 Million Blog Posts (2019)

Semrush's 2024 ranking factors analysis reported a correlation of 0.19 between page authority and rankings and 0.18 for referring domains, placing link-based signals among the higher correlating factors measured.

Source: Semrush Study: Ranking Factors 2024 (2024)

SEO professionals say the average acceptable price for acquiring one high-quality backlink is $508.95.

Source: State of Link Building 2026: A Survey of 500 SEO Pros (Reporter Outreach) (2026)

76% of surveyed SEO professionals are willing to pay $300 or more per link, and 47% will pay $500 or more.

Source: State of Link Building 2026: A Survey of 500 SEO Pros (Reporter Outreach) (2026)

75% of SEO professionals expect link building prices to rise over the next two to three years, while only 8% expect them to decrease.

Source: State of Link Building 2026: A Survey of 500 SEO Pros (Reporter Outreach) (2026)

64% of SEO professionals spend $3,000 or more per month on link building, and 38% spend $6,000 or more per month.

Source: State of Link Building 2026: A Survey of 500 SEO Pros (Reporter Outreach) (2026)

Across 52,671 websites analyzed, the average guest post costs $459 per link and the average link insertion costs $225 per link.

Source: Link Building Pricing in 2025 (Statistics and Analysis), BuzzStream (2026)

The average guest post price rose 7.5% year over year, from $427 in 2025 to $459 in 2026.

Source: Link Building Pricing in 2025 (Statistics and Analysis), BuzzStream (2026)

There is a wide gap between asking and transaction prices: website owners list backlinks at an average of $929, while buyers typically pay about $207 per link.

Source: Link Building Pricing in 2025 (Statistics and Analysis), BuzzStream (2026)

Guest post prices scale sharply with authority: links on DR 1-30 sites average $332, DR 31-70 sites average $555, and DR 71+ sites average $2,025.

Source: The Cost of Guest Posts Based on 257,267 Sites, BuzzStream (2026)

In an analysis of 257,267 websites, 96.2% were classified as low quality and only 1.37% met the combined high-quality and top-tier threshold.

Source: The Cost of Guest Posts Based on 257,267 Sites, BuzzStream (2026)

In an Ahrefs experiment, niche edits (link insertions) cost an average of $361.44 while paid guest post links averaged $77.80, making guest posts about 4.6 times cheaper.

Source: Should You Buy Backlinks? It Depends, Ahrefs (2024)

80.9% of SEO professionals believe link building will become more expensive over the next two to three years.

Source: Link Building Pricing: The Real Cost of Backlinks, Editorial.link (2026)

By industry, the most expensive guest post niches are Sports ($572) and News & Media ($567), while the least expensive are Adult/Gambling ($238) and Ecommerce ($341).

Source: The Cost of Guest Posts Based on 257,267 Sites, BuzzStream (2026)

In Reporter Outreach's Q1 2026 State of Link Building survey of 500 SEO professionals, 34% named digital PR as their single best-performing link-building tactic, ahead of HARO and journalist sourcing (21%), guest posts (18%) and link insertions or niche edits (14%).

Source: Reporter Outreach, State of Link Building 2026 (2026)

When digital PR (34%) and HARO or journalist sourcing (21%) are combined, 55% of SEO professionals say PR-style approaches deliver their best link-building results, more than every other method combined.

Source: Reporter Outreach, State of Link Building 2026 (2026)

Although guest posts had a 42.4% adoption rate among surveyed SEOs, fewer than half of guest-post users (18% of all respondents) considered it their most effective tactic, while digital PR had a 45.6% adoption rate and roughly three-quarters of its users rated it their single best method.

Source: Reporter Outreach, State of Link Building 2026 (2026)

In Editorial.Link's survey of 518 SEO experts conducted between March and May 2025, 48.6% chose digital PR as the most effective link-building tactic for 2025, far ahead of guest posting at 16% and creating linkable assets at 12%.

Source: Editorial.Link, Link Building Statistics (Survey of 518 SEO Experts) (2025)

The average reported price for a single high-quality backlink was $508.95 in Editorial.Link's survey of 518 SEO experts.

Source: Editorial.Link, Link Building Statistics (Survey of 518 SEO Experts) (2025)

Guest posting was the most widely adopted link-building tactic in Authority Hacker's survey of 755 link builders, used by 64.9% of respondents.

Source: Authority Hacker, Survey of 755 Link Builders (2025)

An average digital PR campaign earns links from 42 unique linking domains at an average domain rating of 61, with more than 20% of those links coming from DR 70 to 79 news sites.

Source: Reporter Outreach, Digital PR Link Building Guide (2026)

The average cost per earned link from a digital PR campaign is roughly $750, and 85.2% of practitioners see measurable SEO impact within six months.

Source: Reporter Outreach, Digital PR Link Building Guide (2026)

Backlinko's analysis of 12 million outreach emails (with Pitchbox) found that only 8.5% of outreach emails receive a response, but a single follow-up message boosts replies by 65.8%.

Source: Backlinko, We Analyzed 12 Million Outreach Emails (2021)

In Backlinko's outreach study, personalized email subject lines increased response rates by 30.5% and personalized email bodies increased them by 32.7%.

Source: Backlinko, We Analyzed 12 Million Outreach Emails (2021)

Backlinko's analysis of 912 million blog posts found that content longer than 3,000 words gets an average of 77.2% more referring domain links than content shorter than 1,000 words.

Source: Backlinko, We Analyzed 912 Million Blog Posts (2020)

Agencies allocate an average of 32.1% of their overall SEO budget to link building, while in-house teams allocate 36.03%, according to Editorial.Link's survey of 518 SEO experts.

Source: Editorial.Link, Link Building Statistics (Survey of 518 SEO Experts) (2025)

Content longer than 3,000 words earns an average of 77.2% more referring domain links than content shorter than 1,000 words.

Source: We Analyzed 912 Million Blog Posts. Here's What We Learned About Content Marketing (Backlinko + BuzzSumo) (2019)

"Why" posts, "What" posts, and infographics attract an average of 25.8% more backlinks than videos and how-to posts.

Source: We Analyzed 912 Million Blog Posts. Here's What We Learned About Content Marketing (Backlinko + BuzzSumo) (2019)

94% of all blog posts have zero external links pointing to them, and only 2.2% of content earns links from multiple websites.

Source: We Analyzed 912 Million Blog Posts. Here's What We Learned About Content Marketing (Backlinko + BuzzSumo) (2019)

List posts are the top content format for social shares but rank dead last for earning backlinks, showing virtually no correlation between shares and links.

Source: We Analyzed 912 Million Blog Posts. Here's What We Learned About Content Marketing (Backlinko + BuzzSumo) (2019)

96.55% of all pages get zero traffic from Google, and substantial organic traffic without any backlinks is exceptionally rare, occurring for only about 1 in 6,671 pages that have no referring domains.

Source: 96.55% of Content Gets No Traffic From Google (Ahrefs study of 14 billion pages) (2023)

The number 1 result in Google has 3.8 times more referring domains than positions 2 through 10, underscoring that linkable content correlates with top rankings.

Source: We Analyzed 11.8 Million Google Search Results. Here's What We Learned About SEO (Backlinko) (2020)

The average word count of a Google top 10 search result is 1,447 words, indicating that comprehensive, longer-form content dominates page one.

Source: We Analyzed 11.8 Million Google Search Results. Here's What We Learned About SEO (Backlinko) (2020)

48.6% of 518 surveyed SEO professionals named digital PR, which centers on original data and newsworthy assets, the most effective link-building tactic, far ahead of guest posting at 16%.

Source: Link Building Statistics Based on a Survey of 518 SEO Experts (Editorial.Link State of Link Building) (2025)

A single statistics page built by Ahrefs earned 36 editorial backlinks from 32 referring domains, including 9 domains with a Domain Rating of 70 or above.

Source: Link Building Case Study: How We Built Backlinks With a 'Stats' Page (Ahrefs) (2021)

A single remote-working statistics page accumulated 707 backlinks, attracting links from sites including Indeed, Deloitte, and Digital Journal.

Source: How I Built 707 Quality Backlinks With a Statistics Page (LinkQuest) (2023)

A single infographic series for Preply earned more than 500 backlinks across over 200 referring domains in roughly two and a half months.

Source: 1 Infographic Series, 500 Backlinks for Preply and Counting (Brafton) (2022)

Only 8.5 percent of outreach emails receive a response, according to an analysis of 12 million outreach emails.

Source: We Analyzed 12 Million Outreach Emails. Here's What We Learned (Backlinko, with Pitchbox) (2024)

Sending a single follow-up message can lead to 65.8 percent more replies than sending just one email.

Source: We Analyzed 12 Million Outreach Emails. Here's What We Learned (Backlinko) (2024)

Emails with personalized message bodies received 32.7 percent more replies than non-personalized emails, and personalized subject lines boosted response rate by 30.5 percent.

Source: We Analyzed 12 Million Outreach Emails. Here's What We Learned (Backlinko) (2024)

Reaching out to multiple contacts instead of a single person boosted response rates by 93 percent, and multi-contact sequences performed 160 percent better than a single email to one person.

Source: We Analyzed 12 Million Outreach Emails. Here's What We Learned (Backlinko) (2024)

The average cold email reply rate was 4.5 percent across 31 million emails sent by Hunter users.

Source: State of Cold Email 2026 Report (Hunter.io) (2026)

Cold emails containing two custom personalization attributes saw a 56 percent higher reply rate than non-personalized emails (5.6 percent versus 3.6 percent).

Source: State of Cold Email 2026 Report (Hunter.io) (2026)

Three-message sequences generated 106 percent more total replies than single emails (6.8 percent versus 3.3 percent).

Source: State of Cold Email 2026 Report (Hunter.io) (2026)

Sending from a custom domain delivered a 108 percent higher reply rate than sending from a freemail address (5.2 percent versus 2.5 percent).

Source: State of Cold Email 2026 Report (Hunter.io) (2026)

The average cold email reply rate fell to 5.8 percent in 2024, down from 6.8 percent in 2023, a 15 percent year-over-year decline across 16.5 million emails analyzed.

Source: What are B2B Cold Email Response Rates? 2025 Study (Belkins) (2025)

Targeting one contact per company produced a 7.8 percent reply rate, more than double the 3.8 percent rate seen when targeting 10 or more contacts per company.

Source: What are B2B Cold Email Response Rates? 2025 Study (Belkins) (2025)

Campaigns with at least one follow-up averaged a 13 percent reply rate versus 9 percent for single-email campaigns, with 2 to 3 follow-ups identified as the optimal range.

Source: These Numbers Will Show You Why Sending Follow-up Emails Is Crucial (Woodpecker) (2024)

Across 53.1 million cold emails, follow-up emails produced 44.5 percent of all positive replies, with the first follow-up alone generating 26.41 percent of positive responses.

Source: Cold Email Statistics 2026 (Based on Analyzing 53M+ Cold Emails) (Saleshandy) (2026)

In a study of 384,614 web pages across 19,840 keywords, Ahrefs found only a weak Spearman correlation (0.1436 average) between exact-match anchor text and ranking position, indicating exact-match anchors have limited ranking power.

Source: Ahrefs: What Is Anchor Text? Everything You Need to Know (2023)

Backlinko's analysis of 11.8 million Google search results found that approximately 95% of all pages have zero backlinks, leaving most content with no link signals at all.

Source: Backlinko: We Analyzed 11.8 Million Google Search Results (2025)

Backlinko found that the #1 ranking result has 3.8x more backlinks than positions #2 through #10, underscoring how concentrated authority is at the top of the results.

Source: Backlinko: We Analyzed 11.8 Million Google Search Results (2025)

In Editorial.Link's survey of 113 SEOs and link builders, 92% said they believe their competitors are buying backlinks.

Source: Search Engine Land: Survey: 92% of SEOs suspect their competitors buy links (2024)

Editorial.Link's survey found that 69% of SEOs do not use Google's Disavow tool, while only 31% report using it.

Source: Search Engine Land: Survey: 92% of SEOs suspect their competitors buy links (2024)

Editorial.Link reported that the average niche edit link costs $361.44 while the average guest post costs $77.80, reflecting how paid link markets are priced.

Source: Search Engine Land: Survey: 92% of SEOs suspect their competitors buy links (2024)

Following Google's March 2024 updates, Editorial.Link found that 29% of the paid-link-selling sites it tracked became dead, and only 6.6% (2,021 sites) showed positive traffic trends afterward.

Source: Search Engine Land: Survey: 92% of SEOs suspect their competitors buy links (2024)

Ahrefs outreach data cited in the survey showed that only 12.6% of contacted sites were open to selling links, and roughly 50% of responsive sites wanted fees for guest posts.

Source: Search Engine Land: Survey: 92% of SEOs suspect their competitors buy links (2024)

Semrush's Backlink Audit assigns each backlink a Toxicity Score from 0 to 100, with higher scores indicating links more likely to be risky, evaluated against dozens of toxic markers.

Source: Semrush: Toxic Backlinks - What They Are & How to Find Them (2024)

Authority Hacker's survey of 755 link builders found that guest posting remains the most widely used link building tactic, deployed by 64.9% of respondents.

Source: The Backlink Company: 76 Link Building Statistics: Industry Expert Round-up (2024)

Authority Hacker's research found that 93.8% of link builders emphasize the importance of link quality over quantity.

Source: The Backlink Company: 76 Link Building Statistics: Industry Expert Round-up (2024)

Authority Hacker found it takes an average of 3.1 months for the impact of new links on search rankings to become noticeable.

Source: The Backlink Company: 76 Link Building Statistics: Industry Expert Round-up (2024)

When a Google AI Overview is present, the average clickthrough rate to the top-ranking organic page is 58% lower, based on a December 2025 analysis of 300,000 keywords (150,000 with AI Overviews and 150,000 without).

Source: Ahrefs: AI Overviews Reduce Clicks by 58% (Update) (2025)

Google users clicked a traditional search result link on only 8% of page visits that contained an AI summary, compared with 15% of visits to results pages without one.

Source: Pew Research Center: Google users are less likely to click on links when an AI summary appears (2025)

Only 1% of visits to Google results pages with an AI summary led to a click on one of the sources cited inside the AI summary itself.

Source: Pew Research Center: Google users are less likely to click on links when an AI summary appears (2025)

In Pew's analysis of March 2025 browsing data, 88% of AI summaries cited three or more sources, underscoring that AI search distributes visibility across multiple cited links rather than a single result.

Source: Pew Research Center: Google users are less likely to click on links when an AI summary appears (2025)

Brands cited in Google AI Overviews earned 35% more organic clicks and 91% more paid clicks than brands not cited, across a study of 3,119 search terms and 42 organizations from June 2024 to September 2025.

Source: Seer Interactive: AIO Impact on Google CTR, September 2025 Update (2025)

For queries showing an AI Overview, average organic CTR fell from 1.76% in June 2024 to 0.61% in September 2025, while paid CTR fell from 19.70% to 6.34% over the same period.

Source: Seer Interactive: AIO Impact on Google CTR, September 2025 Update (2025)

In the first four months of 2026, 68.01% of US Google searches ended without a click to the open web, up from 60.45% in 2024, the fastest acceleration of zero-click search in a decade.

Source: SparkToro: In 2026, Less than One Third of Google Searches Still Send a Click (2026)

The share of Google queries triggering an AI Overview grew from 6.49% in January 2025 to a peak of 24.61% in July 2025 before settling near 15.69% in November 2025.

Source: Semrush AI Overviews Study: What 2025 SEO Data Tells Us About Google's Search Shift (2025)

AI Overviews expanded well beyond informational search in 2025: the share of triggering queries that were informational dropped from 91.3% in January to 57.1% in October, as commercial, transactional, and navigational queries grew sharply.

Source: Semrush AI Overviews Study: What 2025 SEO Data Tells Us About Google's Search Shift (2025)

AI platforms generated more than 1.13 billion referral visits to the top 1,000 websites in June 2025, up 357% year over year, though Google Search still delivered about 191 billion referrals in the same period.

Source: TechCrunch: AI referrals to top websites were up 357% year-over-year in June, reaching 1.13B (Similarweb data) (2025)

In an analysis of 23 million internal links across 1,800 websites, URLs with 40 to 44 internal links received roughly 4 times more Google Search clicks than URLs with only 0 to 4 internal links.

Source: Zyppy: We Studied 23 Million Internal Links. Here's What We Learned (2022)

Zyppy's study of 23 million internal links found that pages with at least one exact-match internal anchor text earned about five times more search traffic than pages with no exact-match internal anchors.

Source: Zyppy: We Studied 23 Million Internal Links. Here's What We Learned (2022)

Zyppy found that pages whose internal links included a variety of anchor text variations earned substantially more Google clicks, a correlation so strong the team re-ran the data three times to confirm it.

Source: Zyppy: We Studied 23 Million Internal Links. Here's What We Learned (2022)

In a controlled SEO A/B test, adding internal links to nearby-location pages across roughly 8,000 regional pages produced a statistically significant 7 percent uplift in organic traffic to the pages receiving the new links.

Source: SearchPilot: The Importance and Impact of Internal Linking for SEO (2023)

In a SearchPilot SEO A/B test, adding internal links to destination pages from the homepage footer delivered a 5 percent uplift in organic traffic to those destination pages.

Source: SearchPilot: The Importance and Impact of Internal Linking for SEO (2023)

After SaaS company IFTTT prioritized fixing its internal linking, an HTML sitemap that exposed previously buried pages delivered nearly a 3x increase in indexed pages within two weeks, contributing to 33 percent year-over-year organic traffic growth.

Source: Uproer: How an Overlooked SEO Tactic Delivered 33% Traffic Growth (IFTTT SaaS Case Study) (2023)

IFTTT's audit found that search bots could initially crawl only 59 pages of a site containing hundreds of thousands of indexable pages, because internal linking failed to expose the rest.

Source: Uproer: How an Overlooked SEO Tactic Delivered 33% Traffic Growth (IFTTT SaaS Case Study) (2023)

In an e-commerce case study, optimizing internal linking increased the daily crawl rate by 62 percent over three months while reducing the rate of orphan pages by 20 percent.

Source: Oncrawl: Case Study - How to Optimize your Internal Linking and your Indexing (2021)

In the same Oncrawl case study, internal linking optimization grew the number of positioned pages from 161 to 454 (out of 559 potential URLs) and increased keywords ranking in Google's top 100 from 454 to roughly 1,900.

Source: Oncrawl: Case Study - How to Optimize your Internal Linking and your Indexing (2021)

When HubSpot tested the topic cluster model with deliberate interlinking, it found that the more internal links it added between related pages, the higher those pages climbed in the SERPs and the more impressions they earned.

Source: HubSpot: Topic Clusters - The Next Evolution of SEO (2017)