Fetch As Google
This diagnostic tool, which is available through Google Webmaster Tools, allows you to simulate how your site URL is rendered and how your site is crawled by Google crawlers. Use this feature by using a Google bot to fetch and render a URL, giving users full details on the site’s HTTP response, page speed, server response time, and how Google and users will see a page.
Screaming Frog Web Crawler
Overcome a Google penalty with this program used to find problems like duplicate content, dead links, internal re-directions and more. It has the ability to crawl large sites, and allows users to manually check for any site issues.
Majestic SEO
To avoid being penalized by Google for poor-quality back links, utilize Majestic SEO. It will help clean up your back link profile. Majestic SEO analyzes your own link profile as well as those of your competitors. It gives a detailed report addressing anchor text, red flags, etc. Once a full report has been provided, you can begin improving and maintaining your site by implementing high-quality back links.
Ahrefs
Ahrefs alternative tool that is designed to find dead links by analyzing both inbound and back links. It informs you of the overall quality of your domain, and it also lists any span and unnatural links that are found. It is updated per hour to keep you as up-to-date as possible on recent developments. It is a helpful tool that points out problems within your anchor text.
Monitor Backlinks
Broken, unfollowed, and irrelevant links can cost a site owner a lot of money and be of little help to a business. This tool can help prevent these problems by filtering both bad back links and unfollowed links. This is done by importing the links on your site from Google Webmaster Tools into the Monitor Backlinks tool. If any problems are found, a notification is sent to let the user know.
Copyscape
Google will penalize a site due to duplicate content. In order to prevent these penalties you can use Copyscape to determine if the content on your site exists anywhere else online.
Moz’s Google Algorithm Change History
Due to Google’s frequent changes and additions to its penguin and panda updates, it can be hard to keep track of it all. In order to make it easier to stay on top of all the modifications, implement Moz’s convenient tool that keeps an up-to-date list and history of the changes made to Google’s algorithms.
Google Webmaster Tools
Google Webmaster Tools allow owners and developers to experience how Google will see a site. The service notifies users directly about penalties imposed on your site by Google. It can also help in tracking duplicate content, broken links, site loading speed, and spam back links. With this, all of the issues of a site can be fixed leading to a noticeable improvement of performance.
While a penalty from Google may have the possibility of negatively affecting a site’s search rankings, the above mentioned tools can help get a site back on the right track with its traffic and ranking position!