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AltF Backlinks

Free backlink sites list: 1,964 places to get a link

A maintained list of 1,964 legitimate backlink sites: directories, profile creation sites, guest posting sites, launch platforms, registries and marketplaces. 1,628 are free or have a free tier, 44 usually give a dofollow link, and 781 have an estimated DA of 70 or more. Every row shows authority, link type, cost and effort, and links straight to the submit page.

1,964
Opportunities
1,628
Free or freemium
781
Est. DA 70+
208
Quick wins

1–56 of 56 opportunities

The table is wider than the screen — swipe it sideways for cost, effort and the preparation notes.

Submission opportunities with impact score, cost, effort, priority, status and preparation notes. Scroll horizontally for all columns.
#Impact (sorted)Site — sort by thisEst. DA — sort by thisLinkDomainTypeCostEffort — sort by thisPriorityStatusWhat to prepareRules / caveatCheckedActions
198TechImply50Link type unknowntechimply.comSoftware directoriesFreeModerateDo firstNot submittedCreate a vendor account and submit your tool under the closest B2B software categories with an accurate feature summary.B2B software or IT-company fit is required; the profile is categorized and reviewed, so avoid unsupported claims.2026-08-03Open TechImply submit page (new tab)TechImply details
298WebCatalog50Link type unknownwebcatalog.ioSoftware directoriesFreeModerateDo firstNot submittedSubmit the production web app, then verify domain ownership to manage its official listing, assets, and analytics.AltFTool must be a working web app; ownership verification is needed for official control and the submission is reviewed.2026-08-03Open WebCatalog submit page (new tab)WebCatalog details
395ToolFame—Link type unknowntoolfame.comSoftware directoriesFreeInvolvedDo firstNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/toolfameOpen ToolFame submit page (new tab)ToolFame details
495ToolPilot35Link type unknowntoolpilot.aiSoftware directoriesFreeInvolvedDo firstNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/toolpilotOpen ToolPilot submit page (new tab)ToolPilot details
595Turbo0—Link type unknownturbo0.comSoftware directoriesFreeInvolvedDo firstNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/turbo0Open Turbo0 submit page (new tab)Turbo0 details
695Web Tools Weekly45Link type unknownwebtoolsweekly.comSoftware directoriesFreeInvolvedDo firstNot submittedSubmit one polished your tool web utility that is directly useful to front-end developers, programmers, or designers, with a precise one-line explanation and working URL.The newsletter accepts tools such as libraries, scripts, web apps, APIs, editors, and services, but not articles or tutorials. Submit via the stated X or Bluesky channel and do not repeatedly pitch the whole directory.2026-08-03Open Web Tools Weekly submit page (new tab)Web Tools Weekly details
792Appvizer60Link type unknownappvizer.comSoftware directoriesFree + paid tierInvolvedDo firstNot submittedRegister your tool as a B2B product, choose relevant categories, and complete the vendor profile in English.The product must fit a B2B software category and is subject to editorial review; paid exposure is separate from the free profile.2026-08-03Open Appvizer submit page (new tab)Appvizer details
892ShowMeBest.AI—Link type unknownshowmebest.aiSoftware directoriesFree + paid tierInvolvedDo firstNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/showmebest-aiOpen ShowMeBest.AI submit page (new tab)ShowMeBest.AI details
986Capterra90Nofollowcapterra.comSoftware directoriesFreeQuickHighNot submittedList product under software categories.Part of Gartner Digital Markets; good B2B fit.2026-07-30Open Capterra submit page (new tab)Capterra details
1085Black Hat Arsenal80Link type unknownblackhat.comSoftware directoriesPaidInvolvedDo firstNot submittedPrepare a focused open-source defensive tool with English documentation, reproducible demos, and a technical presenter, then submit to the next relevant Arsenal Call for Tools.Arsenal is selected by a review board and demonstrations must focus on the submitted open-source tool. Product pitches, upsells, unrelated company branding, and closed-source marketing demos are prohibited. Europe 2026 submissions closed 2026-07-19.2026-08-03Open Black Hat Arsenal submit page (new tab)Black Hat Arsenal details
1184Minimal Gallery50Dofollowminimal.gallerySoftware directoriesFreeModerateHighNot submittedSubmit your tool as a polished tool website with its strongest public page and a concise explanation of the design system.Manual curation normally takes one to two weeks and is highly selective; the site must be public, original, lawful, and visually polished.2026-08-03Open Minimal Gallery submit page (new tab)Minimal Gallery details
1284Privacy Guides70Link type unknownprivacyguides.orgSoftware directoriesFreeModerateHighNot submittedSubmit one mature privacy tool, disclose ownership, publish its exact threat model and limitations, and engage transparently with the community review.Developers must disclose affiliation and explain the privacy advantage and threat model; sensitive-data tools need a security white paper and audit status. Open source, active development, usability, cross-platform support, and strong documentation are preferred.2026-08-03Open Privacy Guides submit page (new tab)Privacy Guides details
1381AI With Me—Link type unknownaiwith.meSoftware directoriesFreeInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/ai-with-meOpen AI With Me submit page (new tab)AI With Me details
1481AIAI.Tools—Link type unknownaiai.toolsSoftware directoriesFreeInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/aiai-toolsOpen AIAI.Tools submit page (new tab)AIAI.Tools details
1581G290Nofollowg2.comSoftware directoriesFree + paid tierModerateHighNot submittedCreate seller profile and list product if eligible.Needs B2B SaaS positioning and review collection.2026-07-30Open G2 submit page (new tab)G2 details
1681Indie Tools—Link type unknownindietools.workSoftware directoriesFree + paid tierModerateHighNot submittedSubmit practical tool for indie developers/SaaS makers.Human review; keep description practical.2026-07-30Open Indie Tools submit page (new tab)Indie Tools details
1781SaaSCity—Link type unknownsaascity.ioSoftware directoriesFree + paid tierModerateHighNot submittedSubmit the working your platform with an English description, strong logo, accurate screenshots, categories and pricing details.Working digital products only; no coming-soon page without beta access; English landing page and high-quality logo required; free intake is reviewed and capacity-limited.2026-08-03Open SaaSCity submit page (new tab)SaaSCity details
1878AItoolly—Link type unknownaitoolly.comSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/aitoollyOpen AItoolly submit page (new tab)AItoolly details
1978Appscribed—Link type unknownappscribed.comSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/appscribedOpen Appscribed submit page (new tab)Appscribed details
2078BAI.tools—Link type unknownbai.toolsSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/bai-toolsOpen BAI.tools submit page (new tab)BAI.tools details
2178DevTool.io—Link type unknowndevtool.ioSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Free path requires a reciprocal badge; skip if you do not want one. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/devtool-ioOpen DevTool.io submit page (new tab)DevTool.io details
2278ProofStories—Link type unknownproofstories.ioSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/proofstoriesOpen ProofStories submit page (new tab)ProofStories details
2378Toolsfine—Link type unknowntoolsfine.comSoftware directoriesFree + paid tierInvolvedHighNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/toolsfineOpen Toolsfine submit page (new tab)Toolsfine details
2468GetApp85Nofollowgetapp.comSoftware directoriesFreeQuickMediumNot submittedCreate software vendor listing.Often managed with Capterra listing.2026-07-30Open GetApp submit page (new tab)GetApp details
2568Software Advice85Nofollowsoftwareadvice.comSoftware directoriesFreeQuickMediumNot submittedSubmit B2B software listing.Gartner network; use consistent product info.2026-07-30Open Software Advice submit page (new tab)Software Advice details
2666FSF Free Software Directory85Link type unknownfsf.orgSoftware directoriesFreeModerateMediumNot submittedRelease a genuinely free-software your tool desktop or self-hosted component with free documentation and transparent downloads, then submit a custom directory entry.Software must meet FSF freedom, documentation and GNU/free-OS requirements and pass administrator review; the web-only proprietary service is not eligible by itself.2026-08-03Open FSF Free Software Directory submit page (new tab)FSF Free Software Directory details
2766Homebrew40Link type unknownhomebrew.shSoftware directoriesFreeModerateMediumNot submittedIf your tool ships a macOS CLI or desktop helper, create a maintained tap with a real release, version, checksum, and official homepage metadata.This is unsuitable for a web-only product; the package must install correctly and releases, checksums, and maintenance must remain current.2026-08-03Open Homebrew submit page (new tab)Homebrew details
2866Savannah Non-GNU70Link type unknownnongnu.orgSoftware directoriesFreeModerateMediumNot submittedSubmit only a substantive free-software your tool component that runs primarily on free systems and needs authentic Savannah project hosting and collaboration.Strict hosting-policy and licensing review applies; this is not a backlink directory, empty mirror, or marketing page, and unsuitable projects should not apply.2026-08-03Open Savannah Non-GNU submit page (new tab)Savannah Non-GNU details
2965SoftwareSuggest70Sometimes dofollowsoftwaresuggest.comSoftware directoriesFree + paid tierQuickMediumNot submittedList software in relevant category.India-friendly B2B software directory.2026-07-30Open SoftwareSuggest submit page (new tab)SoftwareSuggest details
3065SourceForge Software95Nofollowsourceforge.netSoftware directoriesFree + paid tierQuickMediumNot submittedCreate software listing/vendor profile.Good for software/tools discovery.2026-07-30Open SourceForge Software submit page (new tab)SourceForge Software details
3165Yo.directory—Link type unknownyo.directorySoftware directoriesFree + paid tierQuickMediumNot submittedSubmit your tool to product-launch/tools category.Use original description; avoid duplicated copy.2026-07-30Open Yo.directory submit page (new tab)Yo.directory details
3263CloudFindr—Link type unknowncloudfindr.coSoftware directoriesFreeInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Link treatment varies by tier/page.2026-07-30 • https://www.submission.directory/site/cloudfindrOpen CloudFindr submit page (new tab)CloudFindr details
3363Crozdesk60Link type unknowncrozdesk.comSoftware directoriesFree + paid tierModerateMediumNot submittedCreate vendor account and submit software.B2B SaaS categories; reviews matter.2026-07-30Open Crozdesk submit page (new tab)Crozdesk details
3463GoodFirms75Sometimes dofollowgoodfirms.coSoftware directoriesFree + paid tierModerateMediumNot submittedCreate company/software listing.Works better with company details and reviews.2026-07-30Open GoodFirms submit page (new tab)GoodFirms details
3563Share Fast—Link type unknownsharefast.coSoftware directoriesFreeInvolvedMediumNot submittedCreate an account and submit your tool with a precise category, readable summary, official URL and evidence of a working product.Login required; a free route requires reciprocal-link verification; paid and highlighted placements should be treated as promotional, not editorial endorsement.2026-08-03Open Share Fast submit page (new tab)Share Fast details
3663SoftwareWorld55Link type unknownsoftwareworld.coSoftware directoriesFree + paid tierModerateMediumNot submittedSubmit your tool if B2B/productivity categories fit.Use business/productivity angle.2026-07-30Open SoftwareWorld submit page (new tab)SoftwareWorld details
3763Tekpon55Link type unknowntekpon.comSoftware directoriesFree + paid tierModerateMediumNot submittedSubmit your tool as productivity/software platform.Review/listing quality matters.2026-07-30Open Tekpon submit page (new tab)Tekpon details
3863TrustRadius80Nofollowtrustradius.comSoftware directoriesFree + paid tierModerateMediumNot submittedCreate vendor profile and collect authentic reviews.No fake reviews; verification strict.2026-07-30Open TrustRadius submit page (new tab)TrustRadius details
3960AI NavHub—Link type unknownainavhub.comSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/ai-navhubOpen AI NavHub submit page (new tab)AI NavHub details
4060DevSuite—Link type unknowndevsuite.coSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/devsuiteOpen DevSuite submit page (new tab)DevSuite details
4160FinancesOnline75Sometimes dofollowfinancesonline.comSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit product for review/listing.Editorial review; prepare screenshots/features.2026-07-30Open FinancesOnline submit page (new tab)FinancesOnline details
4260FiveTaco—Link type unknownfivetaco.comSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/fivetacoOpen FiveTaco submit page (new tab)FiveTaco details
4360Lachief—Link type unknownlachief.ioSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/lachiefOpen Lachief submit page (new tab)Lachief details
4460LLM Relevance—Link type unknownllmrelevance.comSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Link treatment varies by tier/page.2026-07-30 • https://www.submission.directory/site/llm-relevanceOpen LLM Relevance submit page (new tab)LLM Relevance details
4560Noteable AI—Link type unknownnoteableai.comSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/noteable-aiOpen Noteable AI submit page (new tab)Noteable AI details
4660Powerusers AI30Link type unknownpowerusers.aiSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/powerusers-aiOpen Powerusers AI submit page (new tab)Powerusers AI details
4760Seofai—Link type unknownseofai.comSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/seofaiOpen Seofai submit page (new tab)Seofai details
4860ToolAI—Link type unknowntoolai.ioSoftware directoriesFree + paid tierInvolvedMediumNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/toolaiOpen ToolAI submit page (new tab)ToolAI details
4946Business-Software.com55Link type unknownbusiness-software.comSoftware directoriesFreeModerateLaterNot submittedCreate a truthful your tool/founder profile or content page and add the website link where allowed.Use a real brand/founder identity; do not create thin duplicate pages. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/business-software-comOpen Business-Software.com submit page (new tab)Business-Software.com details
5046OpenAlternative45Dofollowopenalternative.coSoftware directoriesFreeModerateLaterNot submittedCreate a truthful your tool/founder profile or content page and add the website link where allowed.Use a real brand/founder identity; do not create thin duplicate pages. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/openalternativeOpen OpenAlternative submit page (new tab)OpenAlternative details
5145Clutch90Sometimes dofollowclutch.coSoftware directoriesFree + paid tierQuickLaterNot submittedCreate company profile if your tool/Anslation has service angle.Less fit for pure tool site unless company profile.2026-07-30Open Clutch submit page (new tab)Clutch details
5245Serchen50Link type unknownserchen.comSoftware directoriesFree + paid tierQuickLaterNot submittedCreate company listing and product profile.Check category fit before spending time.2026-07-30Open Serchen submit page (new tab)Serchen details
5343CompareCamp55Link type unknowncomparecamp.comSoftware directoriesFreeInvolvedLaterNot submittedPitch your tool for software review/listing.Contact/pitch, not instant backlink.2026-07-30Open CompareCamp submit page (new tab)CompareCamp details
5443IndieHustles—Link type unknownindiehustles.comSoftware directoriesFreeInvolvedLaterNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Dofollow is reported but recheck after approval.2026-07-30 • https://www.submission.directory/site/indiehustlesOpen IndieHustles submit page (new tab)IndieHustles details
5540Find Productized—Link type unknownfindproductized.coSoftware directoriesFree + paid tierInvolvedLaterNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Link treatment varies by tier/page.2026-07-30 • https://www.submission.directory/site/find-productizedOpen Find Productized submit page (new tab)Find Productized details
5640ToolAssistant—Link type unknowntoolassistant.comSoftware directoriesFree + paid tierInvolvedLaterNot submittedSubmit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.Accurate tool details required; editorial approval controls publication. Listing link is currently reported nofollow.2026-07-30 • https://www.submission.directory/site/toolassistantOpen ToolAssistant submit page (new tab)ToolAssistant details

How to build backlinks with this list

Four steps that work for a new site, a SaaS or a side project. No paid link packages, nothing that risks a penalty.

  1. Get the basics right first

    Before submitting anywhere, have a one-line description, a 150-word description, a square logo and two or three screenshots ready. Every form asks for some mix of these.

  2. Claim profiles and free listings

    Start with the free, quick rows: profile creation sites and free directories. They are one form each and build the entity signals search engines use to understand who you are.

  3. Go after a few strong links

    Then pick a handful of high DA and dofollow sites that fit your niche, and write proper guest posts or launch posts for them. Ten relevant links beat a hundred random ones.

  4. Track and keep it clean

    Note where you submitted and when. Recheck after a month, update stale descriptions, and never pay for bulk link packages: they put the whole site at risk.

Behind the list

A link opportunity is not a link.

Every row here starts as a line in a sheet, gets normalised into one of 16 groups, scored for cost, effort and impact, and written up with the steps to actually submit. The floor below represents that pipeline.

Open the sheet view

An illustration of the AltF Backlinks floor: opportunities sourced at the back, vetted for cost and effort by the engineering pod, written up for outreach by the design pod, then tracked to placement along a line.

Backlink sites by category

Common questions

Do backlinks still matter for ranking in 2026?
Links remain one signal among many, and low-quality bulk links do more harm than good. What still works is being listed where your buyers actually look — directories with real traffic, registries your peers use, and launch platforms with engaged audiences. Every entry in this list is a place a human might plausibly find you, which is why they are worth submitting to regardless of link equity.
Which submissions should I do first?
Start with the quick wins filter: free, low effort, and not in the lowest priority band. 208 of the 1,964 entries qualify, and those are the ones where a single form submission gets you a live listing the same week. Launch platforms are worth saving until your product is genuinely ready, because you only get one good attempt at each.
How is the impact score calculated?
It starts from a hand-assigned priority band (do first, high, medium, later), then adjusts for cost and effort. A free, quick opportunity scores above a paid, involved one in the same band, because it is the one you can realistically finish today. The score is a queueing aid, not a measure of domain authority.
Are these links free?
1,628 of the 1,964 entries are free to submit to or offer a free tier that includes a listing. Cost is shown on every row, and the "nothing to pay" filter narrows the list to exactly those.
Which backlink sites are dofollow?
44 entries are known to give a followed link on a normal listing, and more give one only in some placements. The link type is shown on every row and can be filtered. Sites change their link policy without notice, so treat the label as a starting point and check the live page after you are listed. A nofollow link from a busy site still sends visitors and helps search engines discover you.
What does the DA number mean?
It is our estimate of the site's domain authority, a third-party style 0-100 score of how strong a domain's link profile is, rounded to the nearest 5. 1,580 of the 1,964 sites have one. It is useful for comparing sites, not a Google metric, so relevance to your niche still matters more.
How do I get backlinks for a new website?
1. Get the basics right first: Before submitting anywhere, have a one-line description, a 150-word description, a square logo and two or three screenshots ready. Every form asks for some mix of these. 2. Claim profiles and free listings: Start with the free, quick rows: profile creation sites and free directories. They are one form each and build the entity signals search engines use to understand who you are. 3. Go after a few strong links: Then pick a handful of high DA and dofollow sites that fit your niche, and write proper guest posts or launch posts for them. Ten relevant links beat a hundred random ones. 4. Track and keep it clean: Note where you submitted and when. Recheck after a month, update stale descriptions, and never pay for bulk link packages: they put the whole site at risk.
Will submitting everywhere hurt my site?
Submitting to spam directories can. That is why this list is curated rather than scraped, and why entries carry a status showing whether they have been verified as live. Skip anything that promises hundreds of links for a fee, and prefer places where a real person reviews submissions.