Sites like O’Reilly

01 · Entity

About O’Reilly

O’Reilly onlamp.com

Radar – O’Reilly

Now, next, and beyond: Tracking need-to-know trends at the intersection of business and technology

Top 10K · #4,868 English 8 technologies Crawled Nov 6, 2026

Visit O’Reilly

Summary by Claude

OnLAMP.com, a former O'Reilly site about open-source LAMP web development, now redirects to O'Reilly Radar. Radar publishes articles, newsletters and commentary on technology trends such as AI, data, software architecture and security.

Who it’s for

Software developers and technology leaders

Business model

Lead generation for O'Reilly learning platform subscriptions

• technology news and analysis
• AI and machine learning trends
• software architecture articles
• Radar Trends to Watch newsletter
• data engineering
• cloud computing
• security analysis
• tech industry commentary

02 · Embedding space

Competitor map

Each alternative by how close its vector is to O’Reilly’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
   The Verge theverge.com Top 1K English

   The Verge

   The Verge is about technology and how it makes us feel. Founded in 2011, we offer our audience everything from breaking news to reviews to award-winning features and investigations, on our site, in video, and in podcasts.

   • PHP
   • WordPress
   • Amazon Publisher Services
   • Amazon SES
   • Fastly
   • Google Ad Manager

   0 say The Verge is a good alternative to O’Reilly 0 say The Verge isn’t a real alternative to O’Reilly

   Comment
   Very close cos 0.895
2. 02
   Slashdot slashdot.org Top 10K English

   Slashdot: News for nerds, stuff that matters, & software

   Slashdot: News for nerds, stuff that matters. Timely news source for technology related news and B2B software reviews & comparisons.

   • Cloudflare
   • Google Ad Manager
   • Google Analytics
   • Google Search Console
   • Mailchimp
   • Matomo

   0 say Slashdot is a good alternative to O’Reilly 0 say Slashdot isn’t a real alternative to O’Reilly

   Comment
   Close cos 0.891
3. 03
   XDA Developers xda-developers.com Top 10K English

   XDA

   The world’s best source for computing news, reviews, editorials guides, and more.

   • PHP
   • WordPress
   • Amazon SES
   • Google Analytics
   • Google Search Console
   • Google Workspace

   0 say XDA Developers is a good alternative to O’Reilly 0 say XDA Developers isn’t a real alternative to O’Reilly

   Comment
   Close cos 0.892
4. 04
   Gizmodo gizmodo.com Top 10K English

   Gizmodo | The Future Is Here

   Dive into cutting-edge tech, reviews and the latest trends with the expert team at Gizmodo. Your ultimate source for all things tech.

   • Google Tag Manager
   • PHP
   • WordPress
   • Apple Business
   • cdnjs
   • Cloudflare

   0 say Gizmodo is a good alternative to O’Reilly 0 say Gizmodo isn’t a real alternative to O’Reilly

   Comment
   Close cos 0.890
5. 05
   MakeUseOf makeuseof.com Top 10K English

   MUO - Technology, Simplified.

   MUO is your guide to modern tech. Learn how to make use of the tech and gadgets around you, and discover cool stuff on the internet.

   • PHP
   • WordPress
   • Amazon SES
   • Google Analytics
   • Google Search Console
   • Google Workspace

   0 say MakeUseOf is a good alternative to O’Reilly 0 say MakeUseOf isn’t a real alternative to O’Reilly

   Comment
   Close cos 0.890
6. 06
   MIT Technology Review technologyreview.com Top 10K English

   MIT Technology Review

   Emerging technology news & insights | AI, Climate Change, BioTech, and more

   • Google Tag Manager
   • PHP
   • WordPress
   • Apple Business
   • Azure DNS
   • DocuSign

   0 say MIT Technology Review is a good alternative to O’Reilly 0 say MIT Technology Review isn’t a real alternative to O’Reilly

   Comment
   Close cos 0.887
7. 07
   The Register theregister.com Top 10K English

   Technology news and analysis | The Register

   All the latest news for enterprise technology decision-makers and IT pros | The Register

   • Google Tag Manager
   • Brevo
   • Cloudflare DNS
   • Amazon CloudFront
   • Google Ad Manager
   • Google Fonts

   0 say The Register is a good alternative to O’Reilly 0 say The Register isn’t a real alternative to O’Reilly

   Comment
   Close cos 0.886
8. 08
   Habr habr.com Top 10K English

   Publications / My feed / Habr

   collaborative blog

   • Google Ad Manager
   • Google Analytics
   • Google Fonts
   • Google Search Console
   • Matomo
   • unpkg

   0 say Habr is a good alternative to O’Reilly 0 say Habr isn’t a real alternative to O’Reilly

   Comment
   Close cos 0.884
9. 09
   Tom's Hardware tomshardware.com Top 10K English

   Tom's Hardware: For The Hardcore PC Enthusiast

   Tom's Hardware helps you buy the best hardware and build the best PC to play, create and work..

   • Google Tag Manager
   • Bing Webmaster Tools
   • Comscore
   • Fastly
   • GlobalSign
   • Google Ad Manager

   0 say Tom's Hardware is a good alternative to O’Reilly 0 say Tom's Hardware isn’t a real alternative to O’Reilly

   Comment
   Close cos 0.883
10. 10
    TechRepublic techrepublic.com Top 10K English

    online trade publication and social community

    • Adobe
    • Atlassian
    • Cloudflare
    • Cloudflare DNS
    • Google Search Console
    • Google Workspace

    0 say TechRepublic is a good alternative to O’Reilly 0 say TechRepublic isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.882
11. 11
    GitHub github.blog Top 10K English

    Home - The GitHub Blog

    Updates, ideas, and inspiration from GitHub to help developers build and design software.

    • PHP
    • WordPress
    • Google Search Console
    • New Relic
    • nginx
    • NS1

    0 say GitHub is a good alternative to O’Reilly 0 say GitHub isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.881
12. 12
    Engadget engadget.com Top 10K English

    Engadget | Technology News & Expert Reviews

    Breaking news from the worlds of technology and entertainment, and expert reviews of the latest consumer tech products.

    • Google Tag Manager
    • PHP
    • WordPress
    • Amazon CloudFront
    • Google Search Console
    • Google Workspace

    0 say Engadget is a good alternative to O’Reilly 0 say Engadget isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.884
13. 13
    ScienceAlert sciencealert.com Top 10K English

    ScienceAlert : The Best in Science News And Amazing Breakthroughs

    The latest science news. Publishing independent, fact-checked reporting on health, space, nature, technology, and the environment.

    • Google Tag Manager
    • PHP
    • WordPress
    • Cloudflare
    • Cloudflare DNS
    • Comscore

    0 say ScienceAlert is a good alternative to O’Reilly 0 say ScienceAlert isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.883
14. 14
    How-To Geek howtogeek.com Top 10K English

    How-To Geek - We Explain Technology

    We explain technology. Learn more with our articles, reviews, tips, and the best answers to your most pressing tech questions.

    • PHP
    • WordPress
    • Amazon SES
    • Google Analytics
    • Google Search Console
    • Google Workspace

    0 say How-To Geek is a good alternative to O’Reilly 0 say How-To Geek isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.882
15. 15
    Harvard Business Review hbr.org Top 1K English

    Harvard Business Review - Ideas and Advice for Leaders

    Find new ideas and classic advice on strategy, innovation and leadership, for global leaders from the world's best business and management experts.

    • Amazon SES
    • Atlassian
    • Amazon CloudFront
    • DocuSign
    • Google Ad Manager
    • Google Search Console

    0 say Harvard Business Review is a good alternative to O’Reilly 0 say Harvard Business Review isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.879
16. 16
    PCWorld pcworld.com Top 10K English

    PCWorld

    PCWorld helps you navigate the PC ecosystem to find the products you want and the advice you need to get the job done.

    • Google Tag Manager
    • PHP
    • WordPress
    • Adobe Fonts
    • Cloudflare
    • Cloudflare DNS

    0 say PCWorld is a good alternative to O’Reilly 0 say PCWorld isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.880
17. 17
    Ars Technica arstechnica.com Top 10K English

    Ars Technica - Serving the Technologist since 1998. News, reviews, and analysis.

    News and reviews, covering IT, AI, science, space, health, gaming, cybersecurity, tech policy, computers, mobile devices, and operating systems.

    • Google Tag Manager
    • PHP
    • WordPress
    • Google Search Console
    • Google Workspace
    • jQuery

    0 say Ars Technica is a good alternative to O’Reilly 0 say Ars Technica isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.880
18. 18
    PCMag pcmag.com Top 10K English

    English-language computer magazine

    • Adobe
    • Atlassian
    • Cloudflare
    • Cloudflare DNS
    • DocuSign
    • GlobalSign

    0 say PCMag is a good alternative to O’Reilly 0 say PCMag isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.879
19. 19
    heise online heise.de Top 10K English

    heise online – IT news, guides and background information | heise online

    News and forums on computers, IT, science, media and politics. Price comparison of hardware and software as well as downloads at Heise Medien.

    • Apple Business
    • Atlassian
    • Brevo
    • DocuSign
    • Google Search Console
    • Kameleoon

    0 say heise online is a good alternative to O’Reilly 0 say heise online isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.877
20. 20
    DEV Community dev.to Top 10K English

    DEV Community

    A space to discuss and keep up software development and manage your software career

    • Algolia
    • Apple Business
    • Cloudflare DNS
    • Fastly
    • GlobalSign
    • Google Search Console

    0 say DEV Community is a good alternative to O’Reilly 0 say DEV Community isn’t a real alternative to O’Reilly

    Comment
    Close cos 0.876

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

04 · Fingerprints

Technology

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