Tools Starting with "C"
201 tools found
Caddy Server
Powerful, enterprise-ready open source web server with automatic HTTPS routing
ClickHouse
Fast open-source column-oriented database for real-time log analytics
Coolify
An open-source self-hostable alternative to Heroku/Netlify/Vercel for app deployment
Changedetection.io
Self-hosted open-source website change detection and notification service
Cloudflare Wrangler
CLI to manage Cloudflare Workers for Edge SEO and complex redirect logic
Checkly
Monitor page performance and correct rendering with change detection alerts
CrUX API
Access real-user experience data from the Chrome User Experience Report database
Crawlbase
Advanced crawling and scraping API designed to bypass restricted websites for SEO data
Canva
Visual suite for creating optimized social media graphics videos and presentations quickly
Canva Magic Studio
AI-powered design and content suite for visual storytelling and social media automation
Canva Magic Write
AI text generator within Canva used for creating localized social media and SEO assets
Canva PDF Editor
Visual editor that allows users to add links and SEO-friendly text layers to flat PDF files
CapCut
All-in-one video editing tool by ByteDance perfect for creating viral TikTok and Reels content
Captivate
Growth-oriented podcast hosting with built-in SEO tools and attribution tracking
Carbon6
Unified ecosystem of software tools for Amazon sellers focusing on SEO and growth
Carrd
Simple one-page site builder with surprisingly clean SEO meta-tag control
Carto Web3
Spatial search and mapping for decentralized physical infrastructure (DePIN)
Castmagic
AI tool that turns long-form audio into SEO blogs, social posts, and show notes
Causal
Business modeling tool that uses GSC data for advanced SEO traffic forecasting
Cerebro (by Helium 10)
Advanced reverse ASIN lookup tool for uncovering competitor keyword strategies on Amazon
ChatGPT (OpenAI)
Industry-leading LLM for conversational content generation and advanced reasoning tasks
ChatGPT Search
OpenAI built-in search feature providing direct citations and links to sources
ChatGPT for Search
Integrates AI answers directly into Google Search results alongside links
Checkaso
ASO platform that monitors app store ranking and metadata changes
Checkbot
Browser extension that audits site links for redirects, broken links, and security issues
Checkstep
AI-powered trust and safety platform for auditing content credibility and reputation at scale
Chinafy
Platform that optimizes websites for China by fixing compatibility issues with Baidu and the GFW
Claude by Anthropic
AI assistant providing detailed source citations when queried via professional accounts
Claude.ai
Advanced LLM by Anthropic used for SEO content strategy, technical auditing, and data analysis
Clearscope AI Reports
Content relevance tracking for ensuring pages meet "LLM-friendly" semantic requirements
ClickMinded SEO Training
Actionable SEO frameworks and SOPs designed for marketing teams and business owners
ClickUp
All-in-one productivity platform for complex SEO projects
Cloudflare Crawler Hints
Edge network feature that helps search engines crawl sites more efficiently by notifying them of updates
Cloudflare Early Hints
Speeds up page loads by sending hints to browsers about critical assets before the full response
Cloudflare Images
Store, resize, and deliver optimized images at scale using Cloudflare's global edge network
Cloudflare Logpush
Service to push Cloudflare logs to your own storage for custom SEO analysis
Cloudflare Observatory
Integrated performance suite within Cloudflare that monitors and optimizes Web Vitals for sites
Cloudflare Pages
Fast JAMstack deployment with built-in edge routing and function integration
Cloudflare Pages Routing
Advanced file-based and config-based routing for modern front-end web applications
Cloudflare Radar
Real-time Internet traffic trends and security insights worldwide
Cloudflare Radar API
Get real-time insights into Internet traffic and security patterns for global SEO strategy
Cloudflare Redirect Rules
High-performance edge-side URL redirection and domain routing logic via Cloudflare Ruleset Engine
Cloudflare Snippets
Serverless code snippets to automate SEO edge redirects and header changes
Cloudflare Workers
Serverless code execution at the edge for highly dynamic domain routing
Cloudinary Media Optimizer
Standalone product from Cloudinary focused specifically on automated delivery and optimization
Coefficient
Connect SEO data from various tools directly into live Sheets for BI
CoinGecko Terminal SEO
On-chain visibility and liquidity pool indexing for token search optimization
CommerceIQ
Retail ecommerce management platform using machine learning for Amazon SEO and sales
ContentAtScale
Long-form AI writing platform designed to bypass AI detectors for SEO
ContentShake AI
SEMrush tool that combines market trends with AI to generate high-performing blogs
ContentStudio
AI-powered social media management and content discovery tool for multi-channel SEO growth
Contentsquare
Enterprise-grade experience analytics platform using AI to surface behavioral insights
Convert.com
Privacy-focused A/B testing tool for agencies and mid-market brands with easy CMS integration
Copy.ai
AI-powered copywriting tool that helps teams generate SEO-friendly marketing content at scale
Copy.ai LinkedIn Tools
AI generator for LinkedIn headlines, about sections, and viral post structures
CopyLeak
AI-based plagiarism detector and content authentication tool to ensure original search content
Coralogix
Machine learning powered log analytics and monitoring for cloud environments
Core Web Vitals Overlay
Visualizes LCP FID and CLS metrics directly on the page for real-time performance tuning
Coupler.io
Automated data export tool from SEO sources to Sheets, Excel, and BigQuery
Crayon
Software that tracks and analyzes competitor digital footprints to provide actionable insights
Cumul.io
Embedded analytics for SEO platforms to provide BI to their own users
Customer Reviews (CusRev)
Boosts social proof and SEO with enhanced WooCommerce reviews and Google Shopping integration
Cypress
Next generation front end testing tool for change detection in dev
CURL
Command line tool and library for transferring data with URLs for all protocols
Certbot
Effortless tool for automatically using Let's Encrypt certificates to enable HTTPS
CapRover
Easy-to-use app/database deployment & web server manager for your own server
Cockpit
Web-based graphical interface for Linux servers to monitor and manage system services
Critical
Extracts and inlines critical-path CSS to improve First Contentful Paint and rendering speed
Conda-SEO-Env
Pre-configured Anaconda environments specifically for SEO data science projects
Countly
Product analytics for mobile and web that can be self-hosted for complete data control
Core Web Vitals Annotation
Adds annotations to your Google Analytics charts to highlight Core Web Vital changes
Common Crawl
Open repository of web crawl data that can be used for large-scale link graph analysis
Critters
A Webpack plugin to inline your critical CSS and lazy-load the rest to improve FCP
CSP Evaluator
Evaluates Content Security Policies to detect bypasses and improve site security
Clear Cache
One-click cache and data clearing to test live SEO changes without browser lag.
Cloudflare-SEO-Worker
Python scripts for Cloudflare Workers to manage edge SEO tasks and redirects
Check My Links
Link crawler that finds broken links on a webpage to assist in technical SEO cleanup
Clear Cache Shortcut
One-click button to clear browser cache and cookies for testing fresh site changes
CXL SEO Foundations
Conversion-focused SEO training emphasizing ROI and landing page optimization
CacheFly
Global CDN specializing in high-throughput delivery and video content acceleration
Calibre
Comprehensive performance monitoring platform with automated reporting and budget alerts for teams
CallRail
Call tracking and marketing analytics software that attributes phone leads back to SEO keywords
Can I Rank?
SEO software that uses AI to provide specific actionable recommendations to improve rankings
Canonical Tag Checker
Validates the canonical tags on web pages to prevent duplicate content issues
Canva Favicon Maker
User-friendly design tool for non-designers to create brand-consistent favicons with pre-made templates
Canva LinkedIn Banner Maker
Professional graphic design tool with optimized templates for LinkedIn headers and post engagement
Canva YouTube Suite
Visual design tools for SEO-optimized thumbnails and video end screens that drive CTR
Captain Data
Automation platform that connects LinkedIn with hundreds of tools to build complex SEO workflows
Cdn77
Customer-centric CDN service with massive network capacity and dedicated support
CertiK Skynet
Web3 security search engine and SEO audit tool for smart contract safety
Chainlink Functions
Connect smart contracts to SEO data APIs for automated on-chain rank verification
Chainstack
Managed blockchain node services for high-speed SEO data indexing
ChannelMeter
Comprehensive creator management and video analytics platform for media companies
Chartable
Podcast analytics and attribution tool to measure ranking performance and growth
Chatmeter
Brand intelligence and reputation management for multi-location businesses
Check Favicon Security
Niche scanner that checks if your favicon is served over HTTPS and has correct CORS headers for CDNs
CheckTrust
Quality assessment tool for backlinks and donor sites in the Russian link market
Chinaz (SEO Tools)
Leading Chinese webmaster suite for checking Baidu rank, WHOIS, and site performance metrics
Chrome DevTools
Powerful web authoring and debugging tools built directly into Google Chrome
Clarifai
Enterprise AI platform for computer vision and large-scale image tagging
ClearVoice
Content marketing system for managing freelancers and large-scale content production
Clearbit
Real-time business intelligence to find lead data and contact information for enterprise-level outreach
Clearscope
Top-tier content optimization platform using IBM Watson to provide semantic keyword recommendations
Clearscope (Content)
Advanced content research tool that helps writers optimize for semantic relevance and keywords
Clearscope API
Integrate Clearscope's industry-leading content grading directly into CMS
ClickTale
Enterprise-level experience analytics (now part of Contentsquare) for complex sites
Clicky
Real-time web analytics service that is easier to use than Google Analytics
Clipchamp for Business
Microsoft's video editor with SEO templates and direct-to-social publishing features
CloudFront Functions
Lightweight edge functions to manipulate requests and improve performance at the edge
Cloudflare
CDN and security provider with specialized SEO features like automatic image optimization
Cloudflare Registrar
No-markup domain registration providing domains at wholesale prices with enterprise security
Cloudflare Rocket Loader
Optimization tool that improves paint times by loading JavaScript asynchronously
Cloudimage
Scalable image optimization and delivery service that accelerates websites globally
Cloudinary Icon API
Automatic favicon generation and resizing using Cloudinary dynamic URL parameters for on-the-fly optimization
Cloudinary Website Speed Test
Image-centric performance audit tool that identifies how media assets affect Core Web Vitals
CoSchedule
Marketing calendar software to organize your social media content and marketing projects
CoStar
Commercial real estate information and SEO analytics for property firms
CognitiveSEO
Advanced SEO toolset specializing in unnatural link detection and backlink profile cleanup
CognitiveSEO API
Comprehensive API for backlink analysis rank tracking and site audit data
CognitiveSEO Content Optimizer
Semantic keyword research and content scoring tool for topical authority building
CognitiveSEO Explorer
A massive database for link research allowing users to find all links for any keyword or site
CognitiveSEO Rank Tracker
Deep keyword analysis and tracking with social visibility metrics
CognitiveSEO Signals
Real-time monitoring of social signals and backlinks to detect viral content and link growth
CognitiveSEO Site Audit
Deep technical site auditor with scheduled recurring crawls and backlink alerts
ColorZilla
Advanced eyedropper and color picker for analyzing website color schemes for design and SEO
Competera
AI-driven pricing and inventory monitoring for retail change detection
Compressor.io
Online tool for drastic image reduction while maintaining high quality for web use
Conductor
Enterprise SEO and content marketing platform that provides deep customer insights and workflow management
Conductor Intelligence
Enterprise SEO platform with AI visibility tracking and competitive gap analysis
ContactOut
Lightweight extension to find personal emails and phone numbers from LinkedIn
Content Marketing Institute
Guides and masterclasses on aligning SEO with high-performing content marketing workflows
ContentBot.ai
AI automation tool for content workflows and high-quality long-form blog writing
ContentHarmony
Workflow tool for high-scale content teams to build data-driven content briefs
ContentKing
Real-time SEO auditing and monitoring platform for large websites
Contentful SEO
Enterprise headless CMS providing structured content infrastructure with customizable SEO metadata fields
Contently
Enterprise content marketing platform connecting brands with high-end freelance talent
Contrast Checker
Tool to check foreground and background color contrast ratios for WCAG 2.1 compliance
Convertico
Cloud-based batch converter for turning PNG/JPG files into high-quality favicon packages for cross-platform use
Copy.ai TikTok Generator
AI writing assistant for generating high-ranking TikTok scripts descriptions and hooks
Copyblogger SEO Copywriting
Guides focused on the intersection of persuasive writing and search engine optimization
Copyscape
Industry standard for checking duplicate content and protecting publisher copyrights
Copysmith
AI content generator for enterprise e-commerce teams and high-volume copy
Cora SEO Software
Advanced SEO correlation software that compares 2000+ ranking factors for your keywords
Cortex
AI-powered content research tool with Zapier triggers for topic alerts
Cosmostation
Search explorer for the Cosmos ecosystem and inter-chain communication
Covalent
Unified API providing billions of blockchain data points for SEO research
CrUX Dashboard
Data Studio dashboard for visualizing the Chrome User Experience Report performance history
Crawl-delay Checker
Check robots.txt for crawl-delay directives and bot accessibility
Crazy Egg
Heatmap tool featuring scroll maps and confetti reports for precise click tracking
Creately Sitemap Tool
Diagramming software with specific templates for SEO visual sitemaps and site hierarchy mapping
CrowdTangle
Public insights tool from Meta to follow analyze and report on what is happening across social media
Crystal Knows
Personality insights tool for LinkedIn to tailor communication and profile SEO for specific audiences
Cyfe
All-in-one business dashboard to track social media analytics and business data in one place
Carbonalyser
Evaluate the environmental impact of your website based on data transfer
ChatHub
Browser extension to compare multiple SEO prompts across ChatGPT Claude and Gemini
ContentSwift
Open-source content research and optimization tool for semantic SEO
Core Web Vitals Visualizer
Visual overlay of CWV metrics directly on the elements of your page
Crux.vis
A clean dashboard for visualizing your domain's historical Chrome User Experience Report data trends
CLS Visualizer
Chrome extension that overlays Cumulative Layout Shift areas directly on your webpage
Canopy SEO
AI-powered internal linking tool that automates site architecture optimization
Capsho
AI copywriter that creates SEO headlines, captions, and blogs for podcast episodes
Captions.ai
AI tool for adding high-engagement captions and dynamic SEO elements to short videos
ChaosSearch
Data lake platform that indexes log data for search and analytics via SQL
Chat-SEO-Tracker
Extension that logs and analyzes ChatGPT's recommendations for specific local services
Check My Headers
Detailed view of HTTP response headers to verify security policies and caching rules
CheckBrand AI
Reputation management tool specifically for brand citations in ChatGPT and Copilot answers
Checkers
Global accessibility checker that supports multiple standards including Section 508 and Stanca Act
Cheetah Optimizer
Cloud-based image optimization service focusing on simplicity and high compression ratios
Citation-Alerts
Email notification service for new or lost citations in major generative AI outputs
Classy Schema
Advanced visualization tool for complex schema structures and nested JSON-LD objects
Clueify
AI tool that uses eye-tracking models to provide instant feedback on web layouts
Commenter.ai
AI tool that suggests relevant comments for LinkedIn posts to increase visibility and network reach
Compass
Advanced ranking and local visibility platform for small businesses and growing agencies
Competitors.app
Automates competitor monitoring by tracking website changes, social media, and newsletters
Content-Context-Tracker
Analyzes content snippets that are most likely to be picked up by RAG-based AI search
ContentBox
Automates content research and generation for SEO agencies handling high volume clients
ContentDrips
Tool for creating "Daily Content" for LinkedIn including carousels and quote images easily
ContentHarmonizer
Advanced AI tool for checking content alignment with Google E-E-A-T guidelines
ContentVis
Visual tool to identify which DOM elements are causing Cumulative Layout Shift (CLS) during load
Contentyze
Data-to-text AI generator that turns Airtable records into SEO articles
CopySpark
AI content generator that focuses on creating SEO-friendly meta tags and descriptions quickly
Content-Auditor
Open-source Python script for analyzing site-wide content quality and planning updates
Canonical-Audit-Tool
Identifies canonical tag mismatches and loops across large site architectures
Copy All URLs
Quickly copy all open tab URLs to the clipboard in multiple formats for research sharing
Crawl-Delay-CLI
Analyze crawl budget and server response times via command line
Campsite.bio
Advanced link-in-bio tool with SEO settings and custom domains for TikTok creators
CanIRank
AI-powered SEO software that provides specific action recommendations
Capturly
All-in-one tool combining heatmaps session replays and analytics funnels
Castanet
LinkedIn automation tool focusing on safe engagement sequences and white-label agency options
Check My Sitemap
Simple web-based tool to validate sitemap syntax and ensure all URLs return 200 status codes
Check My Sitemap Guide
Educational resource for troubleshooting XML sitemaps and ensuring efficient search engine crawling
Checkit
Quick local search rank checker for specific locations and devices
CitationsBuilder
Directory submission and local citation cleanup service for SEOs
Color Oracle
Design aid that simulates color blindness in real-time by applying a full-screen filter to your desktop
Color.io
Specialized tool for color grading and color profile management for web images
ColorFavicon
Simple generator that creates a solid color favicon based on a hex code for sites in development or minimal styles
ColorSafe
Tool for empowering designers with beautiful and accessible color palettes based on WCAG
CompressNow
Simple web-based tool for reducing the file size of images by adjusting the compression percentage
Content-Block-Tracker
Identifies which blocks of your site are blocked by AI crawlers via robots.txt or meta
Contrast
A small macOS app for quickly checking WCAG color contrast ratios anywhere on screen
Cronhub
Monitor cron jobs and recurring tasks for changes in execution patterns