Sites like fstr.rocks

01 · Entity

About fstr.rocks

fstr.rocks

Error

Top 10K · #5,436 4 technologies Crawled Nov 6, 2026

Visit fstr.rocks

Summary by Claude

The homepage returns only a generic error message, so the site's purpose cannot be determined.

Who it’s for

Unknown

• Unknown

02 · Embedding space

Competitor map

Each alternative by how close its vector is to fstr.rocks’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

1. 01
   kinotik13.xyz Top 10K Russian

   Защита сайта

   • nginx

   0 say kinotik13.xyz is a good alternative to fstr.rocks 0 say kinotik13.xyz isn’t a real alternative to fstr.rocks

   Comment
   Very close cos 0.899
2. 02
   Loka loka.my English

   Vercel Security Checkpoint

   Malaysian travel and location intelligence platform

   • Astro
   • Google Search Console
   • Google Workspace
   • Vercel

   0 say Loka is a good alternative to fstr.rocks 0 say Loka isn’t a real alternative to fstr.rocks

   Comment
   Close cos 0.893
3. 03
   Lothar lothar.com Top 10K

   Lothar of the Webspace

   • Google Search Console

   0 say Lothar is a good alternative to fstr.rocks 0 say Lothar isn’t a real alternative to fstr.rocks

   Comment
   Close cos 0.891
4. 04
   Turnitin turnitin.com Top 10K

   ERROR: The request could not be satisfied

   Internet-based plagiarism-prevention service

   • Amazon SES
   • Amazon Route 53
   • Apple Business
   • Atlassian
   • Amazon CloudFront
   • Google Search Console

   0 say Turnitin is a good alternative to fstr.rocks 0 say Turnitin isn’t a real alternative to fstr.rocks

   Comment
   Close cos 0.888
5. 05
   StumbleUpon stumbleupon.com Top 10K

   StumbleUpon

   content discovery platform

   • Amazon Route 53
   • Google Analytics
   • Google Workspace
   • Next.js
   • nginx
   • React

   0 say StumbleUpon is a good alternative to fstr.rocks 0 say StumbleUpon isn’t a real alternative to fstr.rocks

   Comment
   Close cos 0.888
6. 06
   United States Department of Education ed.gov Top 10K

   Azure WAF

   Azure WAF

   • Amazon SES
   • Adobe
   • Akamai Edge DNS
   • Apple Business
   • Atlassian
   • Azure Front Door

   0 say United States Department of Education is a good alternative to fstr.rocks 0 say United States Department of Education isn’t a real alternative to fstr.rocks

   Comment
   Close cos 0.889
7. 07
   Flaticon flaticon.com Top 10K English

   That request didn't go through. Our security filter flagged something. You don't have permission to access this page.

   database of icons

   • Akamai
   • Amazon SES
   • Google Search Console
   • Google Workspace
   • Mailchimp
   • Zendesk

   0 say Flaticon is a good alternative to fstr.rocks 0 say Flaticon isn’t a real alternative to fstr.rocks

   Comment
   Close cos 0.885
8. 08
   allrecipes.com Top 10K English

   Simple Page

   food focused online social networking service

   • Amazon SES
   • Adobe
   • Atlassian
   • Cloudflare
   • DocuSign
   • Google Search Console

   0 say allrecipes.com is a good alternative to fstr.rocks 0 say allrecipes.com isn’t a real alternative to fstr.rocks

   Comment
   Close cos 0.886
9. 09
   Khan Academy khanacademy.org Top 10K English

   Client Challenge

   non-profit educational organization

   • Amazon Route 53
   • Apple Business
   • Canva
   • GlobalSign
   • Google Search Console
   • Google Workspace

   0 say Khan Academy is a good alternative to fstr.rocks 0 say Khan Academy isn’t a real alternative to fstr.rocks

   Comment
   Close cos 0.886
10. 10
    office365.com Top 1K

    Web App - Unavailable

    subscription to a range of office software products from Microsoft

    • Azure DNS
    • Google Search Console
    • Microsoft 365

    0 say office365.com is a good alternative to fstr.rocks 0 say office365.com isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.886
11. 11
    navitime.co.jp Top 10K

    ERROR: The request could not be satisfied

    • Amazon SES
    • Amazon Route 53
    • Adobe
    • Atlassian
    • Amazon CloudFront
    • Google Search Console

    0 say navitime.co.jp is a good alternative to fstr.rocks 0 say navitime.co.jp isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.884
12. 12
    Answers answers.com Top 10K English

    Answers - The Most Trusted Place for Answering Life's Questions

    Answers is the place to go to get the answers you need and to ask the questions you want

    • Amazon SES
    • Mailgun
    • Amazon Route 53
    • Apache HTTP Server
    • DocuSign
    • Fastly

    0 say Answers is a good alternative to fstr.rocks 0 say Answers isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.885
13. 13
    4chan 4chan.org Top 10K

    Verification Required

    English-language imageboard website

    • Cloudflare
    • Cloudflare DNS
    • Google Search Console

    0 say 4chan is a good alternative to fstr.rocks 0 say 4chan isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.883
14. 14
    Redfin redfin.com Top 10K English

    Human Verification

    American real estate brokerage

    • Amazon Route 53
    • Adobe
    • Apple Business
    • Atlassian
    • Canva
    • Amazon CloudFront

    0 say Redfin is a good alternative to fstr.rocks 0 say Redfin isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.885
15. 15
    Goethe-Institut goethe.de Top 10K

    Forbidden

    non-profit association of the Federal Republic of Germany for the promotion of the German language abroad and for global cultural exchange

    • Akamai
    • Adobe
    • Azure DNS
    • Google Search Console
    • Microsoft 365

    0 say Goethe-Institut is a good alternative to fstr.rocks 0 say Goethe-Institut isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.881
16. 16
    Smithsonian Institution si.edu Top 10K English

    Smithsonian request verification

    group of museums and research centers administered by the United States government

    • Adobe
    • Akamai Edge DNS
    • Apple Business
    • Atlassian
    • Canva
    • Cloudflare

    0 say Smithsonian Institution is a good alternative to fstr.rocks 0 say Smithsonian Institution isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.882
17. 17
    Quizlet quizlet.com Top 10K English

    Captcha Challenge…

    online studying platform

    • Apple Business
    • Atlassian
    • Cloudflare
    • Cloudflare DNS
    • DocuSign
    • Google Search Console

    0 say Quizlet is a good alternative to fstr.rocks 0 say Quizlet isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.882
18. 18
    DOI.org query endpoint doi.org Top 1K English

    Home Page

    API endpoint

    • Amazon SES
    • Bootstrap
    • Cloudflare
    • Cloudflare DNS
    • Amazon CloudFront
    • Font Awesome

    0 say DOI.org query endpoint is a good alternative to fstr.rocks 0 say DOI.org query endpoint isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.881
19. 19
    Alchemer alchemer.com Top 10K

    Error 403 Forbidden

    American software company

    • Amazon Route 53
    • Apple Business
    • Atlassian
    • Brevo
    • Cloudflare
    • Google Search Console

    0 say Alchemer is a good alternative to fstr.rocks 0 say Alchemer isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.882
20. 20
    Internet Archive archive.org Top 1K English

    Internet Archive: Digital Library of Free & Borrowable Texts, Movies, Music & Wayback Machine

    U.S. non-profit organization and digital archive

    • Atlassian
    • Google Search Console
    • Google Workspace
    • Microsoft 365
    • nginx
    • Salesforce

    0 say Internet Archive is a good alternative to fstr.rocks 0 say Internet Archive isn’t a real alternative to fstr.rocks

    Comment
    Close cos 0.882

Ranked by score: the cosine similarity of each site’s vector to fstr.rocks’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones fstr.rocks uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What fstr.rocks is built with, and what its closest competitors use, from its homepage’s code and its DNS records.