SEO Core APP

MyLinkStatus provides a simple dashboard to automate the monitoring of website backlinks. It checks URLs for link status (found,missing) helping developers and SEO teams programmatically identify broken links that can harm site authority, without the overhead of full SEO suites.

Monitor backlinks in real time with LinksCrawler. Detect lost links, nofollow changes, indexability issues & protect your link portfolio. Start free.

Complete SEO audits in 60 seconds. Automated crawling, PageSpeed analysis, and prioritized fixes.

Pingdom is an uptime monitoring service. When problems happen with a site that Pingdom monitors, it immediately alerts the owner so the problem can be taken care of.

SEMrush is a powerful and versatile competitive intelligence suite for online marketing, from SEO and PPC to social media and video advertising research.

It is all about helping you to keep your websites up. It monitors your websites every 5 minutes and alerts you if your sites are down.

Tools to grow your search traffic, research your competitors and monitor your niche. It helps you learn why your competitors rank so high and what you need to do to outrank them.

Better Stack is a radically better infrastructure monitoring platform that calls the right person on your team if anything goes wrong. Schedule on-call duties, receive helpful alerts, and collaborate on solving incidents faster than ever.

Monitoring a website is one thing – finding the best way to alert you to downtime another. At StatusCake we give you as many options as possible to decide when & how often you’re contacted. Whether it’s by email, SMS, push notifications for iOS & Android or integration with third party apps including Zapier and PagerDuty – you decide how you want to be alerted and when!

Best-in-class SEO software for every situation, from all-in-one SEO platform to tools for local SEO, enterprise SERP analytics, and a powerful API.

It is a free service that helps you evaluate and maintain your website's performance in search results . It gives you at a glance data about all important SEO aspects of a site, such as keywords, links, crawl errors, etc.

updown is an online service that checks your website's status by periodically sending an HTTP HEAD request to the URL of your choice. It then notifies you by email or sms when your website is not responding correctly.

Site24x7 is an all-in-one monitoring solution that allows you to monitor every part of your IT infrastructure from Websites to Applications, to Servers (both on-premise and on the cloud) as well as your Network infrastructure.

It is a self-hosted, open-source, fancy uptime monitoring, and alerting system. It can monitor HTTP, HTTP with keywords, TCP, Ping, and even DNS systems!

It is a online SEO software for better website optimization. Build better websites quickly, easily and of course sustainably. It checks your complete website, by crawling all linked pages. All found pages with errors, problems with the on-page optimization or problems regarding the page content like duplicate content are collected and displayed in each check section.

It gives you insight on how well your site loads and provides actionable recommendations on how to optimize it. It is a free tool that analyzes your page's speed & performance.

It is an all in one uptime monitoring tool which monitors your URL from 10 locations around the globe ensuring that if your website ever goes down again, you get alerted within 60 seconds. It comes with advanced capabilities like SSL Monitoring, Advanced Alerting and more.

AllInOneTools is a lightweight, developer-focused web platform that provides utilities for PDF processing, image optimization, text manipulation, SEO analysis, and Google AdSense workflows. It is designed for developers, indie hackers, and website owners who need fast, browser-based tools to support development, optimization, and monetization tasks. The platform emphasizes performance, privacy-friendly processing, and zero-installation workflows for modern web projects.

Checkly is the API & E2E monitoring platform for the modern stack: programmable, flexible and loving JavaScript. Free for developers!

It is an easy way to track the uptime & SSL health for your websites & apps. It's website monitoring without the hassle. Multi-location uptime monitoring, mixed content detection and SSL certificate & transparency reporting. There's an API and kick-ass documentation too.

It provides website and server availability monitoring. At its most basic, the service lets users enter a list of addresses of web site addresses or other Internet based services, and then checks to see if that site or service is responding properly

AlertBot's Website Monitoring provides businesses with around the clock testing of their website pages. This monitoring includes the testing of all possible webpage failure points as well as the verification of key performance metrics. This data gives businesses the information they need to ensure their websites are always running error-free and providing a quality user experience.

It helps you accurately track your performance in SERPs, find opportunities for driving more organic traffic and for outperforming your competitors, while reporting effectively your results to clients and stakeholder.

With Vortex IQ, your whole operation becomes connected, aware, and capable of taking action instantly, guided by an agentic operating system built for real-world commerce.

Averi is the AI content engine built for startups. One workflow to run a content engine that ranks on Google, gets cited by AI, and turns increased visibility into customers. Research. Draft. Publish. Optimize. Repeat—all in one flow. Averi monitors trends, tracks competitors, and queues high-value topics automatically. You choose what gets drafted, refine it, and publish directly to your CMS. Every piece is stored in your Library—so Averi automatically builds content clusters, links related posts, and gets sharper with every publish. An engine that never stops learning. A strategy that continuously compounds.

WebGazer is a monitoring service that checks your website, cron jobs or scheduled tasks on a regular basis. It notifies you with instant alerts in case of a problem.

It monitors your website, dashboards, API's, and more and alerts your team when downtime happens. We also give you a Status Page which keeps your customers looped in and improves transparency.

Modern uptime and performance monitoring for websites and APIs, with rich reporting, flexible alerting, and competitive pricing. More than just HEAD requests: choose an HTTP method, headers, and body for any request.

web-alert.io is a simple uptime and API monitoring service built for developers, indie hackers, and small SaaS teams who want clear, reliable alerts without enterprise complexity. It monitors websites and API endpoints, sends instant downtime alerts, checks SSL certificates, and tracks response times — all inside a clean, minimal dashboard. Setup takes under a minute, and there’s a free plan included. Perfect for small projects, micro-SaaS, client sites, and devs who just want to know when something is down.

Uptime.com provides peace of mind to thousands of customers like Apple, Microsoft, IBM, Palo Alto Networks, Kraft, and BNP Paribas who trust us to monitor the performance, health, and downtime of their websites.

Positionly lets you monitor daily changes, your competitors, measure SEO performance and improve your search engine rankings.

It provides improvement points to locate the source of problems in hidden areas that were not found in other products.

Website performance monitoring, simplified for small teams. It's not a expensive APM "solution" or a complex query language to learn. It is the key metrics you need to know to keep your website running fast and your customers happy.

Pingbreak is an original and free monitoring service. Get notified if your website is down. Pingbreak checks all of your websites each minute and alert you instantly by Direct Message on Twitter, WebHook, Discord channel, Slack or Mattermost.

Picreel converts website visitors to customers with custom popups, advanced targeting, segmentation, and A/B testing for maximum campaign optimization.

When it comes to downtime, seconds count. We monitor your site around-the-clock to make sure it never skips a beat. We offer HTTP, HTTPS, RUM, DNS, ICMP, IMAP, POP3, SMTP, TCP, UDP, and Transaction monitors.

It is a cloud centric SEO management platform, offering solutions like Rank Analysis, Backlink Watch, SERP Archive & more.

Receive alerts when your website or API is down through emails, Slack or SMS, integrated with real time data and insights

It is a command line application to monitor every part of your web app using a simple JSON configuration file. Get alert not only when your site is down but also when it's slow.

It is a powerful tracker tool for SEO professionals that lets you follow, manage, and analyze your keywords with ease. It automatically delivers comprehensive, accurate, easy-to-read ranking data from every major search engine and most of the minor ones: Google, Bing, Yandex, Amazon, Google Maps, Google Images, also making it a Yahoo rank tracker and a Bing rank tracker.

Using our stories feature, you can test many different features of your live, production website. It could be you need to find out if logins are working. Whatever it is, StillAlive can (or will) be able to test it.

It is an Infrastructure monitoring as a service for public/private cloud, on-prem and hybrid environments. Built for SaaS, e-commerce, service providers and enterprise.

It is a web-based service that monitors the availability and loading speed of any website, server, network, basically any network asset you grant access to. After failure detection, it alerts you in numerous ways. It's most distinguishable service is its transaction monitoring and custom scrips.

It is a web monitoring tool that keeps you up to date and up to speed. If you're looking to keep track of updates on any website or social platform, it is the tool you need.

Whether you have one site, or twenty, Vigil is a simple and reliable service for monitoring the uptime and performance of your websites. View all your sites on our beautiful client dashboards, get email and push notifications when there is a problem, and receive weekly email summary reports that let you know how your sites are doing over the long-term.

AI-powered web page monitoring with support for HTML and JS-rendered pages. Get instant alerts and readable summaries of what changed.

Comprehensive website audit tool. Analyze Performance, GEO, SEO, Security & Accessibility in 60 seconds. Don't just get data—get AI powered actionable solutions.

See exactly how visitors use your site without compromising their privacy. Heatmaps, session replay, and analytics in one dashboard. GDPR-ready. No cookie banner needed.

Webseotrends is a different kind of place on the internet. A place where the measure of success isn’t views, but viewpoints. Where the quality of the idea matters, not the author’s qualifications. A place where conversation pushes ideas forward. Webseotrends is a tool in the Platform as a Service category of a tech stack.

Surmado is AI marketing intelligence for small businesses and agencies. SEO audits, AI visibility testing, and strategic advisory. Reports from $25. API-first. Async webhooks. Stable JSON schema. Built for developers who hate dashboards.