Open source SEO tools are a great addition to any SEO’s toolkit. They can help you quickly identify issues with your site, find new opportunities for growth, and help you monitor your progress over time.
The best part? They’re free! In this blog post, we’ll take a look at some of the best open source SEO tools available today.
Table of Contents
Open Source Seo Tools
1- Serposcope
Serposcope is a free and open-source website ranking tracker in Google search. It is built to help webmasters and content creators improve their SEO performances. Serposcope monitor and track an unlimited number of website and search keywords, which means it can help you to track your competitors and improve your keywords. Multi-user accounts are a primary feature for Serposcope. It also can run seamlessly on any local desktop machine or at a remote server. Serposcope is released as open-source software under MIT license.
2- SEOstats
SEOstats is an open-source script built to retrieve several SEO metrics. It helps webmasters track their current stats at Alexa, Google PageRank, social visibility, backlink data, search index, and more. Currently, SEOstats gathers information from more than 50 sources which include: Google, Alexa, Mozscape, SEMRush, Open-Site-Explorer, Facebook, Twitter, and more. The project has not been updated by the developer for years, and it requires PHP 5.3 to run.
3- Advertools
Advertools is an open-source online marketing productivity tool. It features SEO crawler, analyzer, XML sitemap downloader, SERP importer, text analysts kit, text extractor, stopwords dictionary in many languages, social media analysis, and more.
4- Koalati
Koalati is an open-source on-site SEO checker and analytics tool. It checks your site and provides you with a list of suggestions to improve your SEO performance page ranking.
5- SEO Panel
SEO Panel is an award-wining open-source SEO control panel for webmasters and content creators.SEO Panel features include automatic directory submission, keywords position checker, search engine saturation checker, site auditor, MOZ Rank checker, PageSpeed insights, BackLink checker, Google/ Alexa Rank checker, and several webmaster tools. The project is free and open-source. It has a set of useful plugins which you can use to extend its functionalities.
6- Glomi Tools
Glomi tools is an open-source SEO package. It is built to help web engineers, security analysts, and SEO experts improve their websites. With its simple interface that features a domain search and returns the results in form of suggestions, it is straightforward for all sorts of users.
7- SEOMacroscope
SEOMacroscope is a useful tool that helps you to monitor your site for broken links and offers a good deal of other SEO-related tools. The programs analyze and scan your site links stats and report back about the broken, redirect, and other links. It supports multiple site scanning, multilingual websites, metadata extraction to PDF files, and offers a nice spreadsheet reporting.SEOMacroscope runs primarily in Windows, but you can run it with emulators in Linux and macOS. Keep in mind, the program is under continuous development, so expect more features in the future.
8- WordPress SEO
WordPress is the most popular open-source CMS, It comes fully packed with a dozen of SEO-friendly features like custom permalinks and SEO-friendly URLs. However, the webmaster has many tasks to make his WordPress install SEO-ready. Yoast is an open-source SEO extension (plugin) for WordPress, which automate dozens of SEO tasks and offers more SEO-customization option for your WordPress site. The developer generously released it for free as an open-source project while continuing to provide support and development for it.
9- SEOTools for Laravel
Laravel is a popular open-source PHP framework for developing complex web apps. SEO Tools is an SEO library for Laravel projects. It comes with a simple and friendly user interface, features titles and meta-tags editing, setting the meta-tags for Twitter Cards and Facebook Open Graph. If you are a Laravel developer, you should consider using this library to boost your SEO settings.
10- OSAT
OSAT is a collection of tools created to help webmasters and content creators keep tracking their SEO performance. OSAT tools include multi-user support, multi-organization support, Lighthouse score, SERP rank checker, Keywords finder, extractor (header, links, images), sitemap extractor, and content summarizer. Furthermore, OSAT also offers a security audit for websites which is a unique feature that you cannot find in other projects in this list.
11- HTTP-Status-Check
This is a command-line application for checking website and page HTTP status codes. All you have to do is: write a simple command and read the output log text file. It is a useful tool if you want something quick, reliable without a complicated user interface or complex options.
12- Keyword Generator
Keywords-generator is a command-line tool that helps you generate keywords with simple commands. As a python script, you can install it on your machine whatever the operating system (Windows, Linux, or macOS), with only one requirement: Python.
13- Python SEO Analyzer
A SEO tool that works as a site analyzer, check and warn against any SEO issues or problems. It is built also with Python, and offers two installation methods: 1) through Python PIP3, 2) Docker.
14- Keyword-list-generator
Keyword-list-generator is a simple tool that helps you generate keywords lists from any giving text. It ignores the common and stop words, skip numbers and symbols, and generates a clean sorted list output. The entered text should be clean from any HTML/ XML code.
15- Longtail keywords generator
A simple HTML/ JavaScript app to help SEO masters create long-tail keywords that can be used and targeted by content creators.
16- Keyword Extract
Keyword-extract is (as the name suggests) a keyword-extractor script from any web page. It is also a command-line application built with Node.js and released as an open-source under MIT license.
17- OpenSEO
OpenSEO is an abandoned open-source SEO tool project, which built on top of WebSharper framework.
18- SEOSuite
SEOSuite is a collection of SEO tools to help webmasters fix their SEO issues. It includes SEO Crawler: crawls any site and index it in a database, SEO Linter: check HTML for errors, SEO Reporter: outputs the crawling report in many formats, , and SEODashboard which displays the data in the browser. Note that, the project is no longer maintained.
seo tools free online
- Google PageSpeed Insights
Check the speed and usability of your site on multiple devices
Limitations: None
Enter a URL and this tool will test the loading time and performance for that URL on desktop and mobile. It then grades your site’s performance on a score from 0 – 100. It tells you exactly how fast it takes to load the site according to different metrics, and also suggests areas for improvements.
Alternatives:Pingdom, WebPageTest, and GTMetrix
- Ahrefs Webmaster Tools
Run a technical audit of your site
Limitations: 5,000 crawl credits per project per month
Sign up for Ahrefs Webmaster Tools, verify your website and you’ll be able to audit your website for over 100+ technical SEO issues. The tool also gives suggestions on how to fix them.
After running an audit, it also suggests areas where you can improve your internal linking, which is helpful in boosting your rankings in search engines.
This tool also allows you to see your site’s organic keyword rankings as well as who’s linking to you.
Alternatives:Screaming Frog (audit), Beam Us Up (audit)
- Answer the Public
Hundreds of keyword ideas based on a single keyword
Limitations: Two free searches per day
Enter any relevant keyword, and Answer the Public will provide a huge list of long-tail keyword opportunities, plus common questions asked.
Alternatives: KeywordTool.io, UberSuggest, Keyword Sheeter, Keyword Generator
- Google Analytics
Complete web stats and search insights
Limitations: No limitations for its usage, but queries that are sending you organic traffic are hidden
Quite possibly the most powerful free analytics tool available, Google Analytics tracks pretty much every bit of traffic you can imagine on your website—where it comes from, which page is receiving it and so on.
While it’s not purely for SEO, it’s still a helpful tool to track if you’re getting traffic from organic search.
However, Google Analytics has since stopped showing which keywords are sending you those traffic. You’ll have to pair it with a tool like Keyword Hero to uncover what’s behind “(not provided).”
Alternatives:Matomo, Open Web Analytics, and Clicky
- Google Search Console
Constant website analysis, alerts, and error reports
Limitations: Only shows a handful of technical SEO issues, the top 1,000 backlinks and top 1,000 organic keywords
Google Search Console gives you a taste of what the most used search engine thinks of your website. You can use it to check and fix technical issues on your website, see important SEO data like clicks, impressions and average ranking position, submit sitemaps and more.
If ranking in search engines like Bing and Yandex are important to you, then take note that they have their own “search console” too.
Alternatives:Bing Webmaster Tools, Yandex Webmaster Tools
- Ahrefs’ Backlink Checker
Comprehensive link analysis
Limitations: Free for the top 100 backlinks
The free version of Ahrefs’ Backlink Checker shows the top 100 backlinks to any website or URL, along with the total number of backlinks and referring domains (links from unique sites), Domain Rating (DR), and URL Rating (UR) where applicable.
A great way to use this tool is to paste your competitor’s website and find potential link building opportunities.
Alternatives: Moz Link Explorer
- Google Ads Keyword Planner
Know what people search for
Limitations: You’ll need to run an ad campaign to see exact search volumes
Enter a keyword or group of keywords into the tool, and Google Keyword Planner will return all sorts of helpful stats to guide your keyword strategy: monthly search volume, competition, and even suggested terms you might not have considered.
Alternatives:Bing Keyword Planner
- SERPSim
Preview how your web pages will look in Google’s search results
Limitations: None
See how your meta title and description will appear in the search results before you even publish your web page. Works for desktop and mobile.
Check for truncation issues and fix them instantly.
Alternatives: Portent’s SERP Preview Tool
- Google Trends
See the relative search popularity of topics
Limitations: None
Google Trends shows the popular search terms over time, which is useful for uncovering seasonal variations in search popularity amongst other things. Compare multiple terms to see the relative popularity.
- Ahrefs’ SEO toolbar
Check the broken links, redirect chains, nofollow links and on-page elements for any webpage
Limitations: Technical and on-page SEO features are free, but you’ll need an Ahrefs account to see SEO metrics within the SERPs
The Ahrefs SEO toolbar is a free Chrome and Firefox extension that allows you to check for broken links, trace redirect chains and highlight nofollow links for any webpage. It also generates an on-page SEO report that includes the webpage’s:
Title
Meta description
Word count
Headers
Hreflang tags
Canonicals
OG tags
This makes analyzing any page much easier and faster.
If you have access to a paid Ahrefs account, you’ll also be able to see important keyword metrics like search volume, CPC and keyword difficulty within the SERPs.
Alternatives:Detailed SEO Extension, SEO Minion, LinkMiner (broken links), Ayima Redirect Path (redirect tracing.
Conclusion
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