Deepcrawl!

Xenus Link Sleuth checks Web sites for broken links. Link verification is done on "normal" links, images, frames, plug-ins, backgrounds, local image maps, style sheets, scripts and java applets. It displays a continously updated list of URLs which you can sort by different criteria. A report can be produced at any time.

The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links, images, CSS, script and apps from an SEO perspective.

ContentKing provides Real-time SEO Auditing and Content Change Tracking.

A web-based crawler with real-time crawl feedback.

Create Sitemaps with the DYNO Mapper Visual Sitemap Generator. You can perform a Content Audit and display your Content Inventory along side Google Analytics for an easy Content Inventory Analysis and Content Strategy.

Discover broken links, uncover missing page titles, duplicate content and identify other problems with our SEO crawler software.

Netpeak Spider is your personal SEO crawler that helps you do a fast, comprehensive technical audit of the entire website. This tool allows you to:

Create visual HTML site maps and XML sitemaps for search engines of any web site quickly and easily. Try now - free online trial. PowerMapper is an automatic site map creation tool for information architects, usability analysts and web developers. It is used in 43 countries, by 30% of the Fortune 100, and major organizations like NASA and MIT.

Site Visualizer is a website crawling tool that visualizes a website's structure and shows a site as a set of pages and their outbound and inbound links. The crawler gathers all SEO-related parameters of every URL within a site. The data can be presented in tabular form, and also as a visual sitemap, a report, or an XML sitemap.

SEO Crawler makes it easy to crawl any type of website and to get the most important SEO data - title, description, keywords, site structure, missing links, broken links and more. You can crawl you own website or your competitors!

IziSEO is a simple desktop SEO spider that can crawl your web site like a search engine and quickly spot potential and critical issues with your web site, such as:- broken links;- missing images, CSS, JavaScript and form action links;- low keyword density;- external links without nofollow;- pages that load too slowly;- duplicate Titles and Meta .- pages with duplicate content.

BacklinksXRay provides SEO professionals & Webmasters an All-In-One Backlinks Analysis, Detox and monitoring solution.

PerfectPage is an online platform geared towards small business owners and bloggers who manage their own websites but don’t have corporate budgets. With our collection of tools you can submit a webpage to be evaluated based on an extensive list of page elements, track your analytics, be alerted if your website ever goes down, compare your website to your competitors’ sites, and watch how your visitors interact with your site via heatmaps and scrollmaps. The best part is that our platform super user-friendly so you can get started right away! Finally – a website dashboard for the rest of us. »

SE Auditor is a program for analyzing web pages for search engines. It has multithreaded spider module for crawling subpages and batch audit mode for creating seo audit for many sites at once.

SEO Magnifier an online platform for the most usable SEO services for the webmasters. Paraphrasing tool, Word Counter, Article spinner, plagiarism checker are most popular services.