SERPrecon is an SEO and GEO tool that reads search results and AI answers to diagnose whether content, intent or authority is limiting a page across Google, ChatGPT and Perplexity. It offers page reports with an Action Plan, content scoring before publishing, and Share of Voice tracking. A 7-day free trial is offered without a payment method.
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Serpstat is a marketing tool for SEO and content tasks. It offers backlink analysis, rank tracking, keyword research, competitor analysis and site audits. The platform includes an API, keyword clustering and scheduled automatic checks. Paid plans include Individual, Team and Team x2, and a seven-day free trial of paid features is offered.
SerpWatch is an SEO rank tracking tool for marketers and agencies. It tracks keyword rankings, sends rank-drop notifications, and includes client management, white-label client portals, report building and a local rank tracker. Pricing is based on monthly keyword checks, with plans from $29 to $199 per month billed annually.
Server-side Rendering (SSR) Checker crawls websites to audit SEO, accessibility, performance, and technical page issues.
ShotOG helps manage meta tags, Open Graph data, and social sharing previews for websites.
Sigma.js is a WebGL-powered JavaScript library for interactive graph visualization, built on graphology. It provides GPU-accelerated rendering, built-in pan, zoom, hover and multi-touch interactions, and works with React, Angular, Vue or vanilla JavaScript. Layouts, metrics and community detection come via graphology's standard library.
Similarweb tracks rankings, SERP visibility, and keyword performance across search results.
SiteAnalyzer is a website crawler for technical audits and SEO optimization. It scans site pages and checks more than 60 parameters, including broken links, duplicate pages, meta tags and server response codes. It offers integrations with Google Search Console, Yandex Webmaster and Yandex Metrica, internal PageRank calculation, site structure visualization and sitemap generation. A free version and a Pro plan are available.
Siteliner tracks rankings, SERP visibility, and keyword performance across search results.
sitemap-module helps generate, validate, or manage XML sitemaps and robots files for search indexing.
siteone-crawler checks page speed, performance, technical issues, and web quality signals.
SmartLnks is a free secure smart link generator and URL shortener. The platform offers link creation and targeting features, a browser extension, link scanning, preview and analytics tools, and is marketed as a solution for maximizing link clicks and capturing conversions.
SpyFu is a competitor keyword research tool for Google Ads PPC and SEO. It allows users to view competitors' PPC and SEO keywords, ad tests, backlink profiles, and includes AI-powered site audits, daily performance tracking and an API.
Portal offering three explorers for the Stratos Chain. Big Dipper is described as the most complete explorer, suited to historical research, validator analytics and governance proposals, and can be slower to load. Web3 Explorer, powered by Blockscout, covers EVM transactions, smart contract interactions and token transfers. Ping.pub is a lightweight explorer for quick checks on recent blocks.
StudyCraft is an open source, free study tool available for Windows, MacOS and Linux. It allows users to import study materials including PDFs, Markdown files, webpages and GitHub repositories, which are automatically indexed into a vector database for semantic search. Users can customize their imported content, and the tool automatically generates flashcard decks and practice tests, plus provides study session analytics to track progress. It supports self-hosted and cloud-hosted large language model integrations and is built for fast performance.
Stylus is a browser extension for restyling websites, derived from the Stylish extension's version 1.5.2 source code. It allows users to install themes and styles, write custom CSS, and import databases from Stylish. Analytics and data collection were removed. It is available for Chrome, Firefox and Opera, and supports automatic updates of installed styles.
SurferSEO tracks rankings, SERP visibility, and keyword performance across search results.
svelte-meta-tags helps manage meta tags, Open Graph data, and social sharing previews for websites.
svelte-seo helps manage meta tags, Open Graph data, and social sharing previews for websites.
TailorTask helps plan, write, optimize, or analyze content for SEO and search visibility.
tech-seo-audit-skill crawls websites to audit SEO, accessibility, performance, and technical page issues.
Telescope is an all-in-one SEO toolkit. It lets users research keywords, track rankings, analyze competitors and backlinks, audit sites and find internal linking opportunities. It also supports content creation and optimization.
That's Rank! helps research keywords, search demand, related terms, and content opportunities for SEO.
The GDELT Project monitors broadcast, print and web news from nearly every country in over 100 languages, identifying people, locations, organizations, themes, sources, emotions, counts, quotes, images and events. Its archives date back to January 1, 1979 and update every 15 minutes. Data can be downloaded as raw CSV files, visualized with the GDELT Analysis Service, or queried with Google BigQuery.