Free backlinks: the database that boosts your SEO rankings

Get free backlinks: the database that saves you months of link building

A backlink — also called a backlink, inbound link, or incoming link — is a hyperlink from an external page pointing to your website. It is the most powerful lever of organic search: every link is read by search engines as a sign of credibility, a popularity signal, a recommendation from a third party that gives you its trust. The more authoritative the source site, the heavier this "vote" weighs in the algorithm. The problem? The vast majority of serious opportunities are paid — from 10 € per link on link building marketplaces up to several thousand euros for an editorial placement in a national media outlet. Getting free backlinks nevertheless remains perfectly possible, as long as you know where to look, how to prioritize, and on which ground to play.

This backlink database lists the best free platforms for building a solid link profile without spending a cent: business directories, Web 2.0 sites, discussion forums, guest blogs, review networks, document-sharing platforms, professional social networks… Each listing details domain strength through five cross-checked indicators (DR, DA, TF, CF), its estimated organic traffic, the type of link you will get (dofollow or nofollow), where the links appear, the real price (free or premium), and the exact signup URL. You filter, you sort, you compare, you spot the gems — then you hit the "Sign up" button to turn an opportunity into your first inbound link.

Backlink, inbound link, netlinking: what exactly are we talking about?

Before using this database, a quick bit of vocabulary. The term "backlink" is borrowed from English (back = in return, link = link). You can just as well call it an inbound link or, more rarely, a retro-link. The whole set of links pointing to a site forms its inbound popularity — the famous link popularity behind Google's historic PageRank. The discipline of multiplying these relationships, getting them or triggering them through partnerships, content, or signups is called link building. It is an integral part of what is known as off-page SEO, i.e., everything that happens outside your site: external links, citations, mentions, social signals — as opposed to on-page SEO, which focuses on the content, structure, and technical side of your own pages.

Every link hides two essential notions: the anchor text, the clickable text visible to users, and link equity, the authority value the link transfers to your page. A link arriving with a relevant, descriptive anchor ("free backlinks guide" rather than "click here") is both easier for indexing bots to understand and more consistent for the ranking algorithm. It is the combination of these two elements — the source, the anchor — that mostly determines the ranking gain you will get from it.

Why are backlinks so important for your organic SEO?

Backlinks are one of the three historic pillars of Google's algorithm, alongside quality content and page technicals. The Ahrefs tool — which indexes more than 35 billion links and analyzes several billion pages — observes a direct, measured, and recurring correlation between the number of unique referring domains and the probability of appearing in the top 10 of search results: the more a site accumulates links from varied, trustworthy domains, the higher its chances of climbing competitive keywords. Conversely, a toxic link — a low-end link directory, a blog farm, or a network of duplicated sites — can pollute your profile, dilute your authority and, in extreme cases, trigger a filter or partial deindexation.

Not every backlink carries the same weight, far from it. An editorial dofollow link placed in the body of an article by a recognized media outlet is worth incomparably more than a dozen administrative links stuck in a footer. A link's real value plays out across eight criteria: the authority of the source domain (via DR, DA, TF, and CF), the topical relevance between the source and your content, the organic traffic of the page, the position of the link in the page hierarchy, the type of link (dofollow, nofollow, UGC, sponsored), the anchor used, the diversity of referring domains, and the freshness of the link. It is exactly this architecture of criteria that this database lays out at a glance for every opportunity.

How do I use this backlink database for free?

The interface works in four moves. First, run a full-text search in the search bar (URL, domain, category, platform, comment). Next, refine with the dropdown menus — price, language, category, platform, position, link type, status — and the numeric ranges DR, DA, TF, CF, traffic, referring domains, and spam score. Then sort any column with a single click (by DR descending, by traffic, by spam ascending…) and open a backlink's detailed record to view all of its metrics. Last move: clicking "Sign up" opens the registration page of the targeted platform; the row then switches to "Already signed up" so you can track your progress without losing the thread.

Quick reading tip: to get a first picture, filter on DR ≥ 50, spam ≤ 10, and status OK, then sort by descending traffic. You instantly get the most rewarding free opportunities to unlock first — the ones that will save you weeks, sometimes months, of manual prospecting.

The 15 free strategies to build backlinks in 2026

Getting backlinks with no budget takes time, method, and consistency — never money. The techniques below are the ones that genuinely work today, validated by hundreds of field experiences: figures in hand, a company that properly rolls out six or seven of these levers manages to build a credible link profile in four to six months. Every platform category is represented in the "free" database on this page; after each strategy, find the related families of sites in the dashboard above by filtering by category or platform.

1. Write a guest post

Guest blogging remains the most profitable free link building strategy. You pitch an original, well-documented article to a blog in your niche; in return, you get an author box with a backlink — most often dofollow, contextual, and editorial, right at the heart of the content. Blogs that accept contributions offer the best value-for-effort ratio on the free market: a link inserted in the body of a relevant article, in the middle of a natural read, i.e., exactly the signal search engines value most. To find these blogs, search for "[your niche] + blogs accepting guest posts", "write for us", "guest post", "contribute", or "submit an article". Beware, however, of blogs that demand a link for a link (reciprocal exchange) — their value is thin — and of those that publish any contribution: generic content will harm you more than it helps.

2. Fix broken links (broken link building)

Broken link building is the ultimate win-win approach. Using a free tool (Chrome extensions, Ahrefs Webmaster Tools) or a manual search, you find a page pointing to a dead URL — a removed resource, a disappeared article, a shut-down site. You then reach out to the webmaster with a precise offer: replace their broken link with an equivalent, fresh, and functional piece of content (yours). You do them a service, the page regains its usefulness for its readers, and you walk away with an editorial link. Resource galleries, "useful links" lists, "50 tools you should know" articles, and partner pages are gold mines for this technique: they are precisely the pages where links age badly.

3. Create a linkable asset

An original statistic, an exclusive survey, a polished infographic, an ultimate guide, a case study, or a free online tool: these "link magnets" attract spontaneous citations with zero outreach. Journalists, bloggers, web writers, and videographers are constantly looking for fresh, verifiable data to cite as a source. A unique linkable asset has the rare property of generating passive, recurring backlinks for years: every pickup, every screenshot, every mention becomes a potential inbound link to your site. It is the pillar strategy behind the SEO tools that have become niche authorities — the ones that publish a benchmark every year.

4. Publish on Web 2.0 platforms

WordPress.com, Blogger, Wix, Weebly, Google Sites, Tumblr… The big hosted blogging platforms offer a free presence and remarkable domain strength. To get a real free backlink from them, skip the quick profile-drop approach: create a small themed content bubble, write two or three useful articles related to your business, and place your link in the body of the text and in the profile blurb. Treated as true extensions of your site — relevant content, optimized pages, regular updates — these platforms generate varied links that round out your profile. A small warning: Google holds back certain free hosting services overrun with SPAM; content is therefore the key that sets your profile apart from link farms.

5. Optimize your profile, everywhere

LinkedIn, Facebook, YouTube, GitHub, Pinterest, About.me, Fiverr, Crunchbase, Notion, Behance, Dribbble… Every social network and every professional platform accepts at least one link in the profile — often two or three, banner included. Carefully completing around fifteen profiles means generating around fifteen dofollow or nofollow links from very high-authority domains, for a few dozen minutes of work. The trick: write one solid, reusable generic bio with a single clean URL to your site (preferably a dedicated subpage rather than the homepage), so you stay in control of your redirects later. This "profile" strategy is the natural gateway into free link building — the foundation on which everything else is built.

6. Join Q&A platforms and forums (Quora, Reddit, Stack Exchange)

Q&A platforms and specialized forums concentrate enormous quality traffic and reference-level authority. Quora claims 400 million unique visitors, Reddit ranks among the ten most visited sites in the world, and Stack Overflow is THE technical reference. The right method: answer with real expertise, cite your figures, then naturally slip in a link to a page on your site that completes the answer. A link from Quora, Reddit, or Stack Exchange is one of the most beneficial signals for visibility — even when nofollow, these platforms feed AI-generated answers and serve as proving grounds for your content. The golden rule: zero cold self-promotion, ten times more value given than link obtained — or risk a ban and a link that is permanently nofollow, or even removed.

7. Publish documents, presentations, and infographics

Scribd, SlideShare, Academia.edu, DocPlayer, Issuu: document-sharing platforms host your studies, presentations, white papers, reports, and infographics, with a link to your site embedded inside the document. These assets work twice for you: first, they sometimes rank better than your own pages on long-tail keywords (the parent domain's authority does the indexing work); second, they expose your content to an audience of professionals likely to cite it, and therefore to create new backlinks to you. It is also an excellent outlet for getting extra mileage out of old content in a new format.

8. Start a YouTube channel

YouTube is the world's second-largest search engine, owned by Alphabet like Google. Every video you publish — tutorial, product demo, customer testimonial, interview — becomes a page that points back to your site via the description, the banner, and the channel profile. Videos also increase session time on your site when embedded, and can themselves rank for high-intent keywords. Neglecting this channel means giving up a source of massive nofollow links and qualified traffic that your competitors will not fail to capture in your place.

9. Sign up on business directories and industry listings

Google Business Profile, Bing Places, Yellow Pages, Manta, Crunchbase, Clutch (B2B), G2 (SaaS), Trustpilot, Tripadvisor (travel), franchise directories, and directories for healthcare professionals, lawyers, or tradespeople… Serious directories give you a backlink and, more importantly, visibility within their own search results — which often outrank your site on local queries. The sorting rule is the same everywhere: prioritize directories in your industry and your geographic area, because relevance definitively beats raw quantity. A link from a generalist directory drowned among thousands of other profiles weighs infinitely less than a complete listing in your profession's reference directory.

10. Ask your customers for reviews or testimonials

Consumer review platforms (Trustpilot, Google Business Profile) and B2B-specialized ones (G2, Capterra, Clutch) turn your customers' satisfaction into dofollow links and social proof. The mechanism is simple: polish your products, regularly collect authentic, detailed reviews, and every platform grants you a listing with a link to your site, visible to millions of potential buyers. To go further, testimonials: a satisfied customer will be happy to write an appreciation paragraph with a link to your site on their own blog, their LinkedIn profile, or their signature — free contextual links that nothing stops you from accumulating.

11. Take part in interviews and podcasts

Being a guest on a podcast, a show, or a video interview usually earns you three distinct links: in the episode listing, in your bio, and often in the show notes. The benefit goes far beyond SEO: a niche audience discovers your expertise, your storytelling strengthens, and the link you get is natural, durable, and dofollow in the vast majority of cases. It is a strategy highly recommended for personal brands and consultants, who leverage the host's influence network to amplify their own visibility.

12. Claim unlinked mentions

The most underrated method in free link building. Use Google Alerts or targeted searches ("your brand", "your company name" with no link) to detect every mention of your business that lacks a link. Then contact the author or webmaster concerned — a short, cordial message with a single request — to thank them and suggest adding the missing link. The success rate regularly exceeds 50% for a five-minute effort: it is the fastest free backlink to activate, the most contextual, and often the most relevant since the site was already citing you spontaneously.

13. The skyscraper technique

Popularized by Brian Dean of Backlinko, the skyscraper technique works in three steps: find the best-performing content in your niche — the one that has accumulated the most backlinks — create a version significantly superior in depth, freshness, visuals, and data, then contact every site that linked to the original to offer them your improved version. The psychological principle is clever: you are not asking for a favor, you are offering an upgrade. Every webmaster who agrees to replace the old link with yours transfers to you the equivalent of a first-class editorial backlink.

14. Respond to journalist requests (digital PR)

SourceBottle, HARO (Help A Reporter Out), and their equivalents relay daily the requests of journalists looking for experts, figures, and testimonials. A useful, factual, and quick answer can lead to a dofollow link placed by a very high-authority media outlet — a DR 90+ that months of paid link building would never reach. Brand recognition comes out stronger; prepare a few key figures about your business and a one-pager on your expertise so you can answer in ten minutes when an opportunity arises.

15. Publish a free tool or statistic in your niche

Calculators, generators, comparators, testers, templates: free online products are massively shared, mentioned, and cited by specialist sites and newsletters. A genuinely useful tool acts as a link magnet: users mention it in their articles, recommend it in thematic lists, and every mention becomes a passive backlink. It is the historic growth strategy of many SEO players (Ahrefs and its free tools, Semrush and its limited audit, HubSpot and its generators). Cost: development time, invested once, for links that keep accumulating continuously.

Backlink or link building: what's the difference? The brick and the action plan

Great — and quite legitimate — confusion, and it's common. The backlink is the brick; link building is the action plan. A backlink refers to the concrete, unitary element: a hyperlink placed on a third-party site pointing to one of your pages, with, in theory, an explicit and visible anchor. Link building is the overall strategy that organizes, plans, and drives the acquisition of these links: source selection, topical relevance, placement cadence, anchor diversification, monitoring, disavowal of toxic links. In plain terms, you can get an isolated backlink without any strategy — but you are only doing link building when you orchestrate these bricks toward a coherent goal: building a balanced inbound popularity that withstands algorithm changes and sustainably supports your rankings.

This distinction has a direct consequence on how you use this page. Every row of the interactive table is a potential backlink — the brick, with its raw material (URL, DR, DA, TF, CF, traffic, spam, status). The page as a whole, however, is a link building tool: the filters, the multi-column sort, the full-text search, and the "Sign up" column form the workstation of a link builder deploying his strategy for free. Every detailed record, every metric, recalls the strategic question to ask before acting: does this link fit into a coherent profile, or is it a brick laid at random?

Three criteria separate mastered link building from a mere pile-up of links, and each matches a pillar of the interface: selection — will you draw from quality, relevant, non-toxic domains? (DR, DA, Spam, Category columns); cadence — a linear progression week after week, never a suspicious burst? (your discipline in rollout); diversity — alternating dofollow and nofollow, varied anchors, many distinct referring domains? (Link, Dofollow filters, the RD column). Link building is therefore not a collection, it is a construction.

The 30 best platforms for a free backlink (ranked by authority)

Here are the most effective sites to get a free backlink, with their authority measured in 2025-2026 (Ahrefs DR / Moz DA) and the type of link you get. The first two columns are real sorting indicators: a high DR signals a source likely to pass strong value, while the "Link" column tells you whether the link transfers (dofollow) or not (nofollow) authority. Some platforms, such as YouTube or Reddit, deliver nofollow links: they remain valuable nonetheless for traffic, brand, and overall profile balance — we come back to this below. You will find many of these platforms in the interactive table above: filter by "platform" category, by position, or by "free" price to cross-check the data.

Dofollow or nofollow: what is a free backlink really worth?

It is THE question everyone asks before getting started. A dofollow link passes authority — the "link juice" — from the source page to your site: it is the only type of link that directly contributes to strengthening your rankings. A nofollow link, marked rel="nofollow", tells Google's crawler not to follow or pass on that authority: this is the case for the vast majority of links you will find on social networks, comments, wikis, forums, and user-generated content. Since 2019, Google also processes the rel="ugc" (comments) and rel="sponsored" (sponsored links) values; and since 2021, attributes are treated as hints rather than instructions — which significantly nuances the idea that a nofollow is "useless", as Google's data and several independent tests remind us.

In the field, nofollow backlinks keep all their value for visibility, referred traffic, and brand signal. Several recent studies (Backlinko, Ahrefs) establish a correlation between nofollow links from massive platforms — YouTube, Reddit, Quora, LinkedIn — and ranking improvements: Google looks much more at the importance of the linking site and the relevance of the link than at the single technical attribute. A Quora link placed in answer to a question in your niche can send hundreds of qualified visitors each month; in the long run, those visitors share, cite, and even link your content — giving birth to new dofollow links.

A good backlink profile is a natural profile: a reasonable, alternating, gradual mix of dofollow and nofollow links from varied domains with diversified anchors. If 100% of your links are dofollow and carry the exact same anchor, the profile looks artificial and becomes fragile against algorithmic penalties (Penguin, now built into the core of search). That is why social media nofollow links are not "lost": they balance your profile, make it human and credible, and in fact protect the value of your dofollow backlinks.

Last point, often forgotten: the destination. A link placed from a rotten page (long 302 redirect, poorly indexed page, duplicated content) transmits poorly, even when dofollow. Conversely, a nofollow link placed on a very busy page can lead to massive direct traffic. Combined with today's behavioral signals (organic clicks, engagement), this traffic joins all the indicators Google measures independently of the link attribute.

In practice, don't try to bet everything on exclusive dofollow links: a 100% dofollow profile is statistically abnormal and eventually gets devalued. Instead, at every opportunity prefer the best possible ratio between source authority, page relevance, and real traffic — the link type (dofollow or nofollow) being only one criterion among others. It is precisely this multi-criteria reading that the database on this page enables.

Which backlinks are the most effective? The 5 types that really weigh in

Not all links are equal — and the value gap between families is so wide that you are better off being sure of the nature of the link you are looking for before investing hours in a technique. The ranking below reflects the consensus of link building practitioners and the correlations measured by Ahrefs and Semrush: at the top, contextual editorial links — the ones a writer, journalist, or expert freely chooses to place at the heart of an article because your content genuinely deserves it. That is the peak value of link building — the purest, hardest-to-get "juice".

This ranking also works as a reading plan for the database: start by listing the families at the top of the table, fill in your profiles and directory listings for a quick base, then gradually complete with the lower families. Each type has its own value — some pass authority, others mostly bring traffic and visibility — and a complete profile blends all of them, in the proportions of a natural profile.

The 4 criteria that make a "good" backlink, whatever its type

The five families above share the same quality criteria — the ones Google really evaluates. Topical relevance first: the source site must cover a subject close to yours — a link from an automotive portal to a nutrition site makes no editorial sense. Authority next: a single link from a recognized, busy site outweighs ten links from small blogs with no visitors. Placement next: a link in the body of the main content (two or three paragraphs in) passes far more than a link relegated to a footer, sidebar, or comments section. Anchor last: a natural clickable text that describes the target page without being over-optimized is both readable for the user and credible for the algorithm.

What these families concretely change for you

Two practical lessons emerge from this ranking. On the one hand, since contextual editorial links are the most exposed and the most durable, they are the ones to target first when you have time rather than money: a guest post or a well-placed resource keeps bearing fruit for years. On the other hand, profile and listing links — fast, free, recurring — are the most cost-effective fuel of a site's first months: they lay the authority and diversity foundation on which editorial links will then take full effect. Coordinating the two phases: that is exactly the art of link building, and it is what this database makes visible in a few clicks — each family matches a filter in the "Category" or "Platform" column.

How to assess the quality of a free backlink in 30 seconds

Not all free backlinks are equal — and DR alone does not make the difference. Before spending time signing up on a platform, cross seven metrics. All of them appear in the table and in the detailed record of every backlink in this database — one row, seven indicators, and the same scale to compare them all without switching tools. Here are first the seven thresholds to memorize, summarized in the grid below.

• DR (Domain Rating, Ahrefs) — the overall strength of the source domain, from 0 to 100. Aim for a DR higher than that of your direct competitors, which sets your realism floor.
• DA (Domain Authority, Moz) — Moz's equivalent of DR: a good cross-check indicator to confirm authority when two tools agree.
• TF (Trust Flow, Majestic) — the quality and reliability of the links pointing to the source page: we speak of "trust" passed on by the network of sites that reference it.
• CF (Citation Flow, Majestic) — the raw quantity of links. A TF/CF ratio close to 1 signals a healthy profile; a CF clearly higher than TF betrays an overfed, artificial, or paid profile.
• Organic traffic — the estimated monthly visits to the source. High traffic = more audience transferred, more possible references, and more potential conversions; it is also the best proxy for the host site's editorial "freshness".
• RD (Referring Domains) — the number of unique domains containing at least one link to the source page. It is the metric most correlated with rankings according to Ahrefs, even ahead of raw link volume.
• Spam score — the toxic risk of the domain, calculated by Moz based on the signatures of penalized sites. Beyond 15-20, don't touch it: a spammy link exposes you to more damage (dilution, filter) than an absent link.

One detail that changes everything: read these scores relatively, never absolutely. A relevant DR 60 for your niche, cleanly indexed and visited every month, is often more profitable than a generic DR 90, saturated with ads and off-topic. Relevance acts as a multiplier on raw authority — it is the most common reading mistake among link building beginners.

Reading a backlink in four moves

The DR/DA/TF/CF thresholds above are proven orders of magnitude, not absolute rules: a small new site compares with its peers, not with the giants of its sector.

Practical rule to get started: filter this database on DR ≥ 50, Spam ≤ 10, status OK, sort by descending traffic, and you get the most profitable free backlinks to unlock first. Add the "Link: dofollow" filter if your immediate goal is purely authority passing, then read the result again: you have just witnessed, in fifteen seconds, the fundamental use of this page.

How much does a backlink cost in France? The link building market in 2026

Asking about the price of backlinks is measuring everything that the "free" nature of this database saves you. French market studies converge on a median price of around 87 € per link, within a range spanning from a few euros to several thousand. As in real estate, price depends first on location — more precisely on three variations: the page's real traffic (a visited site sells its links far more expensively than a deserted one), the topic (finance, crypto, and gambling drive prices through the roof, because competition there is priced by weight) and the writing (a custom-written article costs more than an insertion into an existing article, but is often worth more in terms of relevance).

The following table summarizes the three main ranges observed on French link building platforms. They serve as your benchmark: as soon as a site offers you a "free backlink", you know exactly in what currency this link would be billed — i.e., the value you gain by unlocking it yourself through this database's "Sign up" column.

How to pay less — or nothing at all. Four levers mechanically reduce the bill, and that is where "free" becomes a real strategic lever:

Mistakes to absolutely avoid with free backlinks

Free backlinks are tempting, but link building is won on the quality and diversity of the profile, never on raw volume. The following mistakes are among the most common — and each one is avoidable in a few clicks thanks to this database's filters and statuses:

SEO in 3 pillars, and the free tools to run everything

To understand the exact place of backlinks, you have to see the whole picture. Organic search rests on three complementary pillars, every one indispensable: technical SEO, content (or semantics), and popularity (or link building). Popularity is precisely the scope of this database — but the other two pillars multiply the effect of every link acquired, because a backlink placed toward a slow, poorly indexed, or thin page passes its value into a void.

The hierarchy between pillars varies with the site's maturity. For a new site, technique and content come first: no link building will make up for a fragile architecture. For an established site, popularity becomes the differentiating factor — which is where this database's free backlinks take all their meaning, closing the authority gap with your market leaders without spending a euro.

The free toolkit that covers all of SEO

A point the SERP sums up perfectly: no single free tool replaces a paid suite, but the combination of free tools covers most needs — provided you pick them by function. For monitoring and indexing, Google Search Console is the absolute reference: keywords, clicks, positions, sitemaps, submissions, and link reports — all from Google's official data. In addition, Bing Webmaster Tools covers the other major engine.

Finally, the free/paid pairing deserves to be stated clearly: access to search results is free — unlike SEA, you never pay per click on Google or Bing. SEO therefore sends "no bill per click", as the industry saying nicely reminds us; what you pay for are time (months of writing and optimization), expertise (an agency, billed by the day or by the package), and advanced tools or paid link building when you outsource. This page's strategy rests precisely on the inverse equation: paying with time what others pay with money.

Free or paid SEO: the real cost of organic search

To calibrate your expectations, a few updated market benchmarks. Everything in organic search services has a price, and these figures draw the exact value of what you build yourself by using this database:

These figures are not here to discourage: they reflect the exact value of the backlinks unlocked via this page's "Sign up" column — dozens, sometimes hundreds of euros' worth of SEO assets acquired through the sheer force of time.

Doing SEO for free "works" — provided you understand that free does not mean instant. It is groundwork: a Google business listing for local, Search Console for data, a keyword search (Google Keyword Planner, Google Trends, AnswerThePublic), sound technique, content that answers real questions, image optimization (weight and alt attribute), collecting customer reviews, and — the subject of this page — patiently building a backlink profile. Every SEO pillar has its free tool; this page handles the link building pillar with a level of detail few free resources offer.