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LLMrefs VS Cert Decoder

Compare LLMrefs VS Cert Decoder and see what are their differences

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Get your startup mentioned where AI and search look. We recommend high impact directories, listicles and threads that best fit your startup, draft your outreach, and track how often ChatGPT and Claude name you versus competitors. sponsored
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LLMrefs logo LLMrefs

AI SEO Search Visibility & AI Rank Tracking Platform for LLM Search Engines like ChatGPT - GEO/AEO/LLMO

Cert Decoder logo Cert Decoder

Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.
  • LLMrefs LLMrefs AI SEO product screenshot
    LLMrefs AI SEO product screenshot //
    2025-12-08

LLMrefs is an AI search analytics platform that tracks brand visibility across generative AI search engines. It shows whether AI assistants like ChatGPT, Perplexity, and Gemini mention your brand when users ask questions about your industry.

Supported AI Search Engines

LLMrefs monitors 11 platforms: OpenAI ChatGPT, ChatGPT Search, Google AI Overviews, Google AI Mode, Google Gemini, Perplexity AI, Anthropic Claude, xAI Grok, Microsoft Copilot, Meta AI, and DeepSeek AI. Geo-targeting covers 20+ countries and 10+ languages.

Track Keywords, Not Prompts

You add keywords and LLMrefs handles the rest. The platform automatically generates prompts based on real conversations users have with AI chatbots. Results are aggregated across every prompt variation to ensure statistical significance.

Features

  • Multi-engine keyword tracking. Monitor how each AI engine responds to your keywords and whether your brand gets cited.
  • AI search volume data. See estimated monthly search volumes to prioritize keywords.
  • Brand citations and sources. View which URLs AI assistants use when mentioning your brand.
  • Competitor benchmarking. Track Share of Voice and Position metrics against competitors.
  • Weekly reports. Keywords update at least once per week with statistically significant results.
  • Exports and API. CSV exports and API access for custom integrations.
  • Unlimited projects and team members. One subscription covers all your domains.

Additional Tools

AI Crawlability Checker, Reddit Threads Finder, A/B Content Tester, and LLMs.txt Generator.

Pricing

LLMrefs Pro is $79 per month for 50 keywords, all 11 AI search engines, and 500 prompts per month. Start free with no credit card required.

LLMrefs helps brands succeed in both traditional SEO and Answer Engine Optimization (AEO).

  • Cert Decoder
    Image date //
    2025-03-22

Cert Decoder is a free online tool that helps you decode X.509 SSL/TLS certificates in PEM format. It instantly shows important information like the issuer, expiry date, SAN entries, and fingerprint. All data is processed locally in your browser, so nothing is ever sent or stored elsewhere.

LLMrefs

Website
llmrefs.com
Pricing URL
Official LLMrefs Pricing
$ Details
freemium $79 / Monthly
Platforms
-
Release Date
2025 May
Startup details
Country
United Kingdom
State
England
City
London
Founder(s)
James Berry
Employees
1 - 9
Edit details

Cert Decoder

Website
certdecoder.com
Pricing URL
-
$ Details
free
Platforms
Web
Release Date
-
Edit details

LLMrefs features and specs

  • AI SEO tracking
    Track Share of Voice and Position metrics to see how you rank against competitors.
  • AEO brand visibility
    Monitor how 11 AI search engines respond to your keywords and whether your brand gets cited.
  • GEO data for marketing teams
    View which URLs AI assistants use as sources when they mention your brand.

Cert Decoder features and specs

  • User-Friendly Interface
    Cert Decoder is designed with a simple and intuitive interface that makes it easy for users to navigate and use the tool without requiring extensive technical knowledge.
  • Comprehensive Analysis
    The tool provides detailed analyses of certificates, including information about validity, issuer, encryption algorithms, and more, helping users understand their security certificates thoroughly.
  • Free to Use
    Cert Decoder offers its services free of charge, making it accessible for individuals and organizations without budget constraints.
  • Quick Processing
    The tool processes certificate information rapidly, providing almost instant results for users, which is crucial for time-sensitive tasks.

Possible disadvantages of Cert Decoder

  • Limited Advanced Features
    Compared to some paid alternatives, Cert Decoder might lack advanced features that are necessary for more complex certificate management and diagnostics.
  • Reliance on Internet Access
    Users need an active internet connection to utilize the tool, which can be a limitation in areas with unreliable internet service.
  • Privacy Concerns
    While using an online service to decode certificates, there can always be privacy concerns regarding sensitive data being uploaded to a third-party server.
  • No Offline Mode
    Cert Decoder does not offer an offline mode, which could be a drawback for users who require functionality without constant internet availability.

Analysis of LLMrefs

Overall verdict

  • LLMrefs is a solid, purpose-built tool for tracking how your brand and content appear across AI-powered search and large language models, making it a useful choice for teams focused on the emerging field of generative engine optimization (GEO).

Why this product is good

  • Specializes in monitoring brand visibility and citations across AI platforms like ChatGPT, Perplexity, and Google's AI features
  • Helps businesses adapt their SEO strategy to the shift toward AI-driven search and answer engines
  • Provides insights into which prompts and queries surface your brand, aiding content optimization
  • Addresses a growing need as more users rely on LLMs instead of traditional search engines

Recommended for

  • Marketing teams and SEO professionals wanting to track brand presence in AI search results
  • Businesses investing in generative engine optimization (GEO) strategies
  • Content creators aiming to understand how LLMs cite and reference their material
  • Agencies managing multiple clients' visibility across AI platforms

Analysis of Cert Decoder

Overall verdict

  • Cert Decoder appears to be a free online tool for decoding and inspecting SSL/TLS certificates, CSRs, and related cryptographic data, making it useful for quick, no-install certificate analysis, though it should be used with awareness of general web tool privacy considerations when handling sensitive certificate data.

Why this product is good

  • Provides quick, browser-based decoding of certificates without needing to install software
  • Useful for troubleshooting SSL/TLS certificate issues on the fly
  • Simple interface aimed at both technical and semi-technical users
  • No cost to use for basic certificate decoding tasks

Recommended for

  • System administrators needing to quickly verify certificate details
  • Developers debugging SSL/TLS configuration issues
  • IT support staff troubleshooting website certificate errors
  • Students or professionals learning about certificate structure and encoding

LLMrefs videos

+ Add

LLMrefs - AI SEO Keyword Rank Tracker for LLM Search Engines

Cert Decoder videos

No Cert Decoder videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to LLMrefs and Cert Decoder)

LLMrefs

Cert Decoder

SEO Tools
100 100%
SEO Tools
0% 0
Decoding
0 0%
Decoding
100% 100
SEO
100 100%
SEO
0% 0
SSL Certificates
0 0%
SSL Certificates
100% 100

Questions & Answers

As answered by people managing LLMrefs and Cert Decoder.

What's the story behind your product?

Cert Decoder's answer:

I built certdecoder.com over the weekend for my own needs. Sometimes in my work, I need to verify and check certificate details.

Which are the primary technologies used for building your product?

Cert Decoder's answer:

certdecoder.com was built using just JavaScript and HTML—simple, fast, and with all processing happening locally in your browser, so no certificate data is sent to any server

How would you describe the primary audience of your product?

Cert Decoder's answer:

certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.

Why should a person choose your product over its competitors?

LLMrefs's answer

  1. Track keywords, not prompts Most AI SEO tools make you manage individual prompts. LLMrefs lets you add keywords and automatically generates prompt variations based on real conversations users have with AI chatbots. This saves time and produces more realistic results.

  2. Statistical significance, not magic numbers Many competitors show vague "visibility scores" that are hard to interpret. LLMrefs uses transparent metrics like Share of Voice and Position. Results are aggregated and weighted across every prompt variation to ensure statistical significance.

  3. Affordable with no hidden fees LLMrefs Pro is $79 per month and includes all 11 AI search engines. Competitors often charge extra per engine or have tiered pricing that gets expensive quickly.

  4. Agency-friendly from day one One subscription covers unlimited projects and unlimited team members. Agencies do not need to buy separate accounts for each client.

  5. Data quality focus LLMrefs emphasizes being the only platform that takes data quality seriously. They continuously check prompts and only report results when they have enough data to be statistically significant.

  6. Comprehensive engine coverage Eleven AI search engines tracked in one dashboard. You do not need separate tools for ChatGPT, Perplexity, Google AI Overviews, and others.

Cert Decoder's answer:

Simple, fast, and reliable. Some similar tools can’t even decode basic certificates. I rigorously tested my tool with many real-world certificates and covered several edge cases where competitors fall short.

Who are some of the biggest customers of your product?

Cert Decoder's answer:

certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.

User comments

Share your experience with using LLMrefs and Cert Decoder. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Cert Decoder seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

LLMrefs mentions (0)

We have not tracked any mentions of LLMrefs yet. Tracking of LLMrefs recommendations started around May 2025.

Cert Decoder mentions (1)

  • Banana.dog back from the dead
    Why? Because I built certdecoder.com and couldn’t find a decent place to submit it. So I said screw it — I’ll build my own. With blackjack and hookers. - Source: dev.to / over 1 year ago

What are some alternatives?

When comparing LLMrefs and Cert Decoder, you can also consider the following products

Otterly.AI - Stay ahead by monitoring and your content & brand across major AI Search Platforms. With Otterly.AI, you can automatically track brand mentions and website citations on Google AI Overviews/AI Mode, ChatGPT, Perplexity, Gemini, and Copilot.

Profound - Profound helps brands gain visibility in AI-generated answers, optimize their presence in LLM-based answer engines, and stay competitive in the zero-click world.

Am I on AI - Discover if your business is being recommended by AI platforms like ChatGPT. Track your AI visibility with brand monitoring, competitor analysis, and weekly insights.

Attensira - Be the Brand AI Recommends

Ahrefs - Ahrefs is a toolset for SEO and marketing. We have tools for backlink research, organic traffic research, keyword research, content marketing & more. Give Ahrefs a try!

Promptwatch - Get your brand mentioned by AI search engines.

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