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Vol. I · No. 1
Est. MMXXVI
Continuous-form ledger
Field47 Ledger
A structured index of 832 websites, catalogued by subject across 22 sections.
Total sites 875
Sections 22
Last logged 2026-08-15
Listing fee $0.00
| # | Site | Section | Logged |
|---|---|---|---|
| 0001 | medium.com Use our On-page Seo Checker to check any URL for title tags, meta descriptions, headings, keyword density, internal links, E-E-A-T signals, and AI-powered SEO fixes. | Online Promotion, Web Services & Commerce | 2026-08-13 |
| 0002 | dev.to ## Beyond the First Trace: How LLM Observability Platforms Diverge Wrapping an LLM client in an open-source observability SDK yields instant results: prompts, responses, and latencies appear in a neat dashboard. Basic tracing is officially a solved problem across Langfuse, Helicone, Opik, and Phoenix. However, assuming these platforms are interchangeable beyond basic logging is a costly mistake. Evaluating all four side-by-side reveals distinct, non-overlapping capabilities: * **Langfuse (Auto-Scoring):** Offers an unattended "LLM-as-a-judge" evaluator. It automatically scores every incoming production trace against pre-set templates without requiring manual triggers or batch experiment runs. (Opik offers a similar feature via Online Evaluation Rules). * **Helicone (Granular Rate-Limiting):** Features a dedicated rate-limit rule builder. Unlike a generic spend cap, it allows custom quota rules per user, segment, or window (e.g., limiting specific users by cost or request volume without shutting down global access). * **Opik (Inline Guardrails):** Provides built-in Topic and PII guardrails. Instead of post-hoc scoring, it inspects inputs and outputs directly to block restricted content or sensitive data in real time. * **Phoenix (Context-Aware AI Assistant):** Houses **PXI**, an in-dashboard AI agent. PXI continuously reads the trace page you are actively viewing, enabling instant, in-context debugging and trace analysis without copy-pasting data. ``` +-----------+----------------------+--------------------+--------------------+--------------------+ | Feature | Langfuse | Helicone | Opik | Phoenix | +-----------+----------------------+--------------------+--------------------+--------------------+ | Live Eval | Yes (Auto-scores) | No | Yes (Online rules) | No | | Controls | No (Alerts only) | Yes (Rate limits) | Yes (Guardrails) | No | | Agent | No | No | No | Yes (PXI Assistant)| +-----------+----------------------+--------------------+--------------------+--------------------+ ``` ### The Verdict Observability isn't a single checkbox. Choosing the right platform depends entirely on your immediate operational bottleneck—whether that is continuous automated scoring (Langfuse/Opik), user throttling (Helicone), real-time content safety (Opik), or contextual trace debugging (Phoenix). Match your core requirement before integration, not six months after. | Online Promotion, Web Services & Commerce | 2026-08-13 |
| 0003 | www.afunlocks.com AFUnlocks – Trusted Mobile Unlocking & Activation Services Finding a reliable mobile unlocking service can be difficult, especially when you need fast delivery, secure payments, and professional support. AFUnlocks is a trusted platform that provides a wide range of mobile phone unlocking and activation services for customers and resellers worldwide. Whether you need carrier unlocking, activation services, or digital credits, AFUnlocks offers an easy-to-use platform designed for speed and reliability. The ordering process is straightforward, allowing users to submit their requests online and receive updates throughout the process. Why Choose AFUnlocks? * Fast and reliable service * Secure online ordering * Support for many phone brands and carriers * Competitive pricing * Friendly customer support * Suitable for both individual customers and resellers The platform continues to expand its services while focusing on customer satisfaction and dependable delivery. If you are looking for a professional phone unlocking and activation provider, visit https://www.afunlocks.com to explore the available services and place your order. Website: https://www.afunlocks.com Keywords: phone unlocking, SIM unlock, carrier unlock, mobile activation, IMEI unlock, phone unlock service, mobile unlocking platform, AFUnlocks. | Online Promotion, Web Services & Commerce | 2026-08-03 |
| 0004 | mgtolb.com mg to lb converter | Online Promotion, Web Services & Commerce | 2026-08-02 |
| 0005 | dentalleadcrm.com **DentalLeadCRM** is an AI-powered CRM built specifically for dental clinics to help attract, manage, and convert more patients. From lead capture to appointment booking, follow-ups, and patient communication, everything is managed in one intuitive platform. The platform combines AI chat assistants, automated email and WhatsApp messaging, Facebook and Instagram lead integration, pipeline management, appointment scheduling, patient records, analytics, and marketing automation. DentalLeadCRM helps clinics reduce manual work, respond to inquiries instantly, improve patient retention, and increase revenue through smarter automation. Whether you're a single dental practice or a multi-location clinic, DentalLeadCRM provides the tools needed to streamline operations, improve patient experience, and grow your practice with AI-driven workflows. | Online Promotion, Web Services & Commerce | 2026-07-20 |
| 0006 | jpegtosvg.com JPEGTOSVG.com is a fast, AI-powered tool all jpg converter jpg to svg converter jpeg to svg converter jpg to png converter jpeg to png converter | Online Promotion, Web Services & Commerce | 2026-07-20 |
| 0007 | cyanpublicidad.net Empresa de publicidad en Sevilla | Online Promotion, Web Services & Commerce | 2026-06-17 |
| 0008 | theads.ro Dezvoltă-ți afacerea cu ajutorul specialiștilor TheAds. Agentie Digital Marketing, partener Google, cu care să crești rezultatele businessului tău. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0009 | semalt.tools Free tools for webmasters, SEOs, and data analysts | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0010 | semalt.net Semalt | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0011 | semalt.com ➀ Professional SEO services, keyword ranking monitoring service, competitor analysis. Free plans. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0012 | kurumsalsayfa.com KurumsalSayfa.com; kurumsal web tasarım, SEO danışmanlığı ve dijital pazarlama çözümleriyle markanızı güçlendirir. Profesyonel ekibimizle Google’da öne çıkın. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0013 | kontak.co.za Looking for a top rated recruitment agency in Johannesburg? Explore Kontak for hiring the best staff in South Africa. Kontak Recruitment, The Best for Jobs, Recruitment, and Staff Solutions. Contact us to assist with … | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0014 | esteban-castle.com Esteban Castle Media GmbH provides professional videos and photography for those wanting to show their brand and move their audience. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0015 | e-ma.re Engineering & Marketing Agency De la stratégie à la technologie, nous transformons vos ambitions en résultats. Prendre rendez vous 18 ans d'expérience à la | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0016 | wwwebdesignstudios.com Looking for a website designer? Let us develop a great looking website & solid internet marketing plan to build your brand. 888-790-5505 | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0017 | walesvoiceover.com Geraint Pickard | Voice over artist | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0018 | thomas-design.co.uk | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0019 | syoseo.com 九凌网络通过十几年的seo研究和经验积累，充分掌握了谷歌seo优化的核心技术，并以全新的seo技术帮助外贸企业快速获得高质量流量和询盘，是您最佳和最稳定的合作伙伴 | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0020 | smmpro.pk SMMpro helps businesses grow online with expert social media marketing, SEO, WordPress websites, and paid campaigns that drive traffic and revenue. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0021 | skylight-digital.co.za Skylight Digital is a digital marketing agency in Cape Town. We provide expert Google advertising and SEO services to generate quality leads for businesses. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0022 | rankactive.com RankActive - best SEO software platform. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0023 | midnight-agency.com Работа в эскорте в Израиле в Midnight Agency. Высокий доход, гибкий график, бесплатный переезд и полная поддержка на каждом этапе карьеры. Оставь заявку уже сегодня! | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0024 | kellytareskiphotography.com Spokane Photographer As a leading Spokane photographer, I specialize in senior portraits, boudoir photography, maternity sessions, family portraits, and | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0025 | jjirondesign.com Checking your browser before redirecting. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0026 | izmirweb.com İzmir web tasarım. Kurumsal mutlu çözümler burada! 15 senelik tecrübe, 500+ referans. Web tasarım, mobil uygulama, SEO, E-ticaret ve dijital pazarlama uzmanı. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0027 | hyperformancegraphics.com In-house vehicle wraps, fleet graphics & commercial signage from Conover, NC. Premium 3M & Avery materials. Nationwide installation. Get a free quote today. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0028 | flicksmkt.com Checking your browser before redirecting. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0029 | eternity-design.com International design studio and branding agency Eternity Design 🌟 Get a consultation ✅ e-mail: [email protected] | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0030 | contentcrewmarketing.com Automate your blog, social, and SEO content using AI, so your team can focus on growth. Built for agencies and marketers. White-glove service. | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0031 | casertaweb.com | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0032 | blinkbid.com Software for Creative Professionals to Bid, Produce and Invoice Jobs. Production Budgeting Cloud-Based for Agencies, Production Companies, Photographers and Studios! | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0033 | birinciseo.com.tr ✅ SEO, web sitenizin arama sonuçlarında üst sıralarda yer almasına yardımcı olarak organik trafiğinizi önemli ölçüde artırır ve belirli bir ürün veya hizmeti | Online Promotion, Web Services & Commerce | 2026-06-16 |
| 0034 | aimarketing.com.hk | Online Promotion, Web Services & Commerce | 2026-06-16 |
About this ledger
Field47 is a structured web index cataloguing 832 active websites across 22 distinct subject sections. Each entry in the directory has been reviewed for domain accessibility and organised according to its primary trade or service focus. The Field47 curator maintains this index as a reference resource for visitors seeking to locate websites across a wide range of industries, from financial services and healthcare to travel, technology, and the culinary trade. Unlike algorithmic search results, Field47 offers a human-organised view of the web — each site placed deliberately within a relevant section of the catalogue. The directory is updated on an ongoing basis, with new entries added as they are reviewed. Visitors may also submit their own sites for consideration through the directory's submission form.
Notes from the keeper
- What is Field47?
- Field47 is a curated web directory that catalogues 832 websites across 22 subject sections. It is maintained as a reference index, with each entry reviewed and placed in the section that best reflects its primary service or trade focus.
- Is it free to submit a site?
- Yes. Submission is free of charge. Site owners can use the submission form to put their domain forward for review. If approved, the entry is added to the most relevant section of the directory at no cost.
- How are sites organised in the directory?
- Field47 organises entries into 22 subject sections — from healthcare and legal services to technology, travel, and culinary trade. Each site is placed in the section that most closely matches its primary activity. Sites that span multiple areas are placed in the Sundry Listings section.
- How long does it take for a submission to be reviewed?
- Submissions are reviewed on an ongoing basis. Most entries receive a decision within a few days of being submitted. Approved entries are added to the index at the point of review.
- Can I update or remove my listing?
- If you need to update the details of an existing listing or request its removal from the directory, contact the curator via the About page. Update and removal requests are handled on a case-by-case basis.
- How many sites are in the Field47 directory?
- Field47 currently catalogues 832 websites across its 22 sections. The directory is updated as new entries are reviewed and approved, so the total count increases over time.
- Does Field47 cover all industries?
- The directory covers a broad range of commercial and informational subject areas, from financial services and healthcare to travel, manufacturing, and media. Sites that do not fit a specialist section are listed under Sundry Listings & General Entries.