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M.J. Cachon

How to Perform a Quick SEO Audit with SEMrush

M.J. Cachon
How to Perform a Quick SEO Audit with SEMrush

SEMrush offers a wide range of functions for analyzing webpages and their performance in search engines. In this article, I am going to explain how you can perform an SEO audit with SEMrush tools and identify opportunities for optimization, as well as how you can determine how your competitors are doing.

For this analysis, we’ve chosen to look at the Spanish version of Samsung.com and see how it is applying Google-quality guidelines. The only search engine that we are going to use in our study is Google.es, because it holds over 90% of the Spanish market share.

Brand: Samsung

Market: Spain

Main Competitor: LG

Evolution of Organic Traffic and Target Markets

The graph below shows us how organic traffic has changed in the last few months. This data is very important because it allows us to identify which offline or online campaigns have impacted organic traffic.

Samsung.com SEMrush Organic Traffic Report

The International Situation

We can compare how a domain is performing in different countries. However, we are not going to get too deep into this feature because our analysis is based on the Spanish market. Nonetheless, the ability to compare international domains offers a distinct advantage, especially with the wide range of global data that SEMrush offers its users.

SEMrush Domain Search International

Keyword Research

SEMrush can show us all the keywords for which Samsung is best ranked in its target market, as well as those keywords that have a low performance rate. Since this project is largely about branding, we can filter all keywords (Samsung, Galaxy, etc.) and try to attack the core of generic keywords in this sector. For example, "tablet," "smartphone," "smart TV," etc.

By ignoring the keywords that contain the terms "Samsung" or "Galaxy," we end up with 7,000 terms, rather than with the original 67,000.

SEMrush Organic Search Positions Report - Samsung.es

At this point, we can analyze the data in two ways — either by viewing it in SEMrush’s interface or by downloading it onto an Excel spreadsheet.

Order the Data by Search Volume, and Analyze Which Keywords Work Best

SEMrush Keywords by Search Volume - Samsung.es

At a glance, we can see the searched keywords, and how our site is ranking for them.

Keywords like "tablet," "smartphone," "smart TV" and "4G" are generic terms with high search volumes, which provide an opportunity to improve our organic visibility.

Order the Data by Rank, in Descending Order

SEMrush offers us the top 20 results, giving us access to some long tail keywords.

Both kinds of analysis help us trace our SEO strategy, and with domain authority we can improve our organic positions for keywords with a low competition level. Also with this analysis, we might identify a keyword that should be added to our content strategy, such as "comparador de televisores," "smart TV HDMI," "televisor 55 pulgadas."

Through our Excel analysis, we can see that there is a problem with our website’s architecture; Google.es is indexing URLs that are meant for other countries.

Excel Spreadsheet of Indexed Pages on Samsung.es

With this brief analysis, we have identified a lot of things we must improve in order to optimize Samsung's website.

Backlink Profile

There are a lot of tools that will perform a backlink profile analysis, but SEMrush has made a great effort to create the best. For the purpose of this example, we are going to compare how Samsung and LG have formulated their backlink strategies.

EMrush Backlinks Comparison - LG.es & Samsung.es

First of all, we can see how many domains are linking to Samsung and/or LG. Secondly, we can learn how both brands have improved their TLD strategies by comparing how many backlinks each site has.

If we scroll down, we can find a very useful graphic that shows us just how they are focusing their link building strategies.

SEMrush Backlinks Profile report - Lg.es vs. Samsung.es

For example, we can see if they are using images from Pinterest, infographics or sponsored events. Also, we can learn if our competitors are using iframes, widgets or other developments.

Another way to identify some of their off-page strategies is to download all this data into Excel and filter all the information related to the /es/ path.

Backlinks filtered by domain

For further details, you can read this post from my blog (here is the translated version).

Analyzing Competitors

At this point we will focus on two types of competitors: Business and Organic.

Business Competitors

These are companies or websites that share our market and sell the same products as us.

In this case, LG is the main competitor for Samsung in selling mobile phones, TVs, and domestic appliances (such as vacuum cleaners, refrigerators and washing machines).

Organic Competitors

Focusing on Google.es, the most-used search engine in Spain, we need to analyze which websites have better organic positions for those keywords that are important to our business.

Between these two kinds of competitors, we can find specialized blogs, media and e-commerce that exploit drop shipping techniques, including Samsung’s distributors. Also, we may compete with Wikipedia and Youtube because they have a lot of content associated with almost any type of search in all sectors.

With SEMrush, we can analyze both our current and potential competitors using each of these concepts:

SEMrush Organic Competitors report - Samsung.es

Competition Level and Search Engine Keywords

If we order the data by competition level, we can analyze those domains that are competing for similar keywords and the organic visibility of each competitor.

Big sites like Amazon (with its great variety of products), Wikipedia, YouTube and Facebook have a lot of organic visibility for most keywords.

Shared Keywords

Our SEO strategy needs to be focused on those competitors that share our business keywords and have better organic visibility than we do.

To get a more detailed analysis, and to get ideas for creating new content to beat our competitors, we must use SEMrush’s Domain vs. Domain function.

SEMrush Domain vs. Domain report

We can perform two possible analyses with the Domain vs. Domain report:

1. com X Lg.com [Shared Keywords]

This type of analysis allows us to check for which keywords we have better ranking than our competitors and for which ones they have more organic visibility.

SEMrush Domain vs. Domain report - Samsung.es vs. Lg.es

2. lg.com – Samsung.com (Excluding Keywords Associated with the LG Brand) [Unique Keywords]

With this list we can identify new opportunities for our business and learn which keywords our competitors are using.

SEMrush Competitor's Keyword List

SEO On-page

SEMrush allows us to create projects on their "Site Audit" section.

We can configure this type of analysis according to these options:

  • Select the type of URL: root, sub domain, folder
  • Select the in-depth page crawl
  • Program crawl periodicity
  • Adjust the tracking settings: monitor your and your competitors’ ranks, as well as your local SEO
  • Select a country or region
  • Select a device: desktop, mobile, or tablet
  • Connect with Google Analytics and/or Google Webmaster Tools
  • Add a keyword list manually or upload a list from a file
  • Create alerts and notifications

With the free version, we can crawl any project with up to 100 URLs and detect major problems that we can further analyze with the PRO version, or with analytical or technical tools.

On Samsung's website, we can find:


  • Broken links
  • Broken images
  • Duplicated content
  • Tags: title, description, H1, ALT text
  • Internal links
  • URL structure
  • Encoding
  • Ratio text/HTML
  • Status codes: 200, 3xx, 4xx, 5xx

WPO Aspects:

  • DNS connections
  • Encoding
  • Redirects
  • Site speed

Migration Web Issues:

  • Crawl up to 50,000 URLs
  • Historical analysis
  • Crawl comparison: before and after


  • Global
  • Local
  • Per device

SEMrush divides the results for the projects we have created into two sections:


This section includes a visual summary of our analysis that helps us understand how the web is performing and what needs to be improved.

SEMrush rates websites based on the specific pages that have been included for analysis (in this example, there are only 100 URLs). Also, we can see the issues detected by this tool. These have been divided into “errors,” “warnings” and "notices" with clear priorities.

In addition, SEMrush keeps records of previous audits. We can assess possible improvements in the useful panel below:

SEMrush Site Audit report - Samsung.es

There’s an option to download a PDF file with this report, which is a great way to communicate statuses and implementations.

In this case, Samsung has no major issues to optimize, as we can see in this report where over 94% of the performance indicators are working fine.

Issues (Total)

In this case, we can see a list of problems detected by SEMrush — all of them classified under “errors,” “warnings” and “notices.” The ones that are colored green are OK, but the blue-colored ones need improvement.

SEMrush Site Issues report - Samsung.es


These are the most important issues; and they need to be fixed as soon as possible. For Samsung, in the 100 URLs crawled, there are:

  • 65 internal broken links
  • 18 external broken links
  • Errors on the sitemap
  • 6 pages without a meta description
  • 6 pages with duplicate content

The green-colored ones are OK, so we can forget about them.



Problems that have a "medium priority" need to be addressed after we’re finished with the "errors."

In the case of Samsung we found these warnings:

  • Sitemap files not found
  • 38 images without an ALT attribute

18 pages with too many links

  • 3 pages with more than one H1 header
  • 2 pages with long titles
  • 1 page with a short title
  • 1 page with a slow loading time

This is what you will see after clicking on a specific item:

SEMrush Site Audit report expanded - Samsung.es


In this report, you will find minor problems that need to be dealt with after everything else is fixed. In this case, we did not find anything.

SEMrush - Slow loading page - Samsung.es

Page Report

We can analyze a specific page just by adding a URL into the search box. For the purpose of this example, we are going to analyze one with loading problems: http://www.samsung.com/es/consumer/av/televisions/plano/UE65HU7500LXXC

SEMrush Page Report - Samsung.es

Samsung has a lot of images on its website, so we need to check all WPO-related problems and site tags.

Compare Crawls

One of the most important features offered by SEMrush is the option to compare crawls, an awesome function for when you are in the middle of the migration process.

We can launch periodic crawls that can help us compare crawling rates for our website before and after a migration, allowing us to identify things that we may have overlooked during the planning and mapping process.

SEMrush Crawl Comparison - Samsung.es


In this section, we can create graphic representations of our previous analyses, including issues and dates to compare over time. Also, if we expand our time range, we may identify bigger problems through a temporal graph.


By analyzing only a portion of a large website, like Samsung’s, we can can figure out how we should focus our own SEO on-page strategies. We have identified a WPO problem, some tag issues that need to be resolved and some images that need to be optimized.

There are many tools that analyze only some (or even only one) of the aspects we have analyzed for Samsung (crawling, HTTPS codes, WPO, competitors, keyword research, rankings, meta tags, content, etc.). However, SEMrush analyzes all of these aspects and more, allowing us to identify those specific SEO features that need to be improved in order to gain greater organic visibility.

My final conclusion is that no matter how much data a tool can provide, we still need to analyze the data according to our objectives. Doing so will help us to really optimize the performance of those addressed by the tool and draft a prioritized strategy for a cost-effective plan.

MJ Cachon has a diploma in Business Studies and Senior Technical Business Management and Marketing, after completing specific training in Digital Marketing, Web Development and Web Analytics. He went through different agencies settled in Madrid, forged his career in the agency world with Relevant Traffic, became SEO Manager and managed an SEO and web analytics team. For more information, visit mjcachon.es and connect on Twitter.

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