Check for links to web addresses that don’t exist, or which return an error. These are known as broken links. Broken links frustrate users and Search Engines.

Measures the speed of the website, including factors like file size and response time. Slow loading websites frustrate users, and piss-off search engines.

Measures the speed of the website, including factors like file size and response time. Slow loading websites frustrate users, and piss-off search engines.

Checks the placement of this website in selected search engines for specified terms. High placement is the ultimate goal of Search Engine Optimization.

Tests whether a website is optimized for mobile and tablet devices, and shows a preview of the website in these devices. “Responsive Design” is preferred.

Tests how popular this website is compared to other websites, what countries traffic is coming from, and whether popularity is rising or falling.

Determine whether a website makes appropriate use of keywords: including them in content and emphasizing them using appropriate technologies.

Detects missing files within this website, i.e. files which pages require to load completely that are missing. Missing files suggests a technical issue.

Analytics is the measurement of visitor behavior on a website for improving that website. Popular Analytics software includes Google Analytics.

Checks the amount of social interest that individual pages within the website have. How many Facebook Likes, and Tweets does the website attract?

Poor spelling leaves a poor impression of your website and reflects badly on your company. It can also make your content harder to understand.

Counts the number of links found pointing to your website, and compares against other sites. The volume of quality links is a search engine ranking factor.