The errors in technical SEO are often not obvious, and therefore one of the most popular. Mistakes in robots.txt and 404 pages, pagination and canonical URLs, hreflang tags and 301 redirects, http vs https and www vs non www versions: each of them can seriously spoil all efforts to promote the site. One quality SEO website analysis is enough to solve all the main problems in this part forever.

We're using Ahrefs to drive our entire approach to SEO. It's Keywords Explorer tool is more accurate and does a better job of uncovering related terms and ideas than another platform we were using previously. This has enabled us to better validate our content ideas and improve our keyword research than before, and the benefits have been measurable.
Now keep in mind that, based on their stated crawling guidelines, the stronger links from stronger sites tend to get crawled more frequently so the spammiest of the spammy link approaches might not get picked up on. For that level of deep research a historical report from Majestic SEO and a link status checker, like Advanced Link Manager, is likely a better bet.
Great article. Before reading this I was practically sold on SEMrush. However, after reading this article and the comments from other readers, I’m realizing I shouldn’t be so quick to pull the trigger and that Ahrefs may in fact be what I’m looking for. I will most likely do the trial period for both before deciding, but this article definitely opened my eyes to Ahrefs possibly being my best option (instead of SEMrush). Thanks for taking the time to write this article. Great work. 

Thank you for the great checklist. It is really useful and gave us a couple of new hints on optimization process. We’ve been using WebSite Auditor and found it exremely helpful in site’s structure and content analysis, bringing all the statistical information on the validation errors, social mentions, duplicate stuff, etc. under one roof. Still there is so many different SEO information you sometimes cannot understand what to start with. Fortunately you answered this question. Thank you again!
The biggest downside I think is the inaccurate keyword volume sometimes. Previously, I was only using Google's keyword planner and it gave us more precise volumes. I guess it's easier for Google since it's their own tool and they can give better numbers. This confuses us because in Ahrefs we may see potential in various keywords but in the long run, after our articles are published – the traffic is not what we expect sometimes. Though, it's accurate enough for the most part.
Keyword Tool is the best YouTube keyword tool alternative. It uses YouTube autocomplete feature to generate highly relevant long-tail keywords about a particular topic. YouTube autocomplete, just as Google autocomplete, was created to make the user experience better. It helps users find videos faster by recommending related keywords when they start typing in their search query.
SEOptimer is a free SEO Audit Tool that will perform a detailed SEO Analysis across 100 website data points, and provide clear and actionable recommendations for steps you can take to improve your online presence and ultimately rank better in Search Engine Results. SEOptimer is ideal for website owners, website designers and digital agencies who want to improve their own sites or theirs of their clients.
Ahrefs also helps users dig deep into their competitors’ search traffic with the Positions Explorer tool. You can easily see the keywords the competition is ranking for in the search engines as well as the keywords they are spending on for their advertising and marketing campaigns. Even better, you can see the flow of organic and paid traffic they are receiving.
I can recommend Ahrefs to anyone in search engine optimization, social media marketing or digital marketing. Ahrefs is perfect for keyword research, competitor research, viral content research, web page audit, rank tracking, competitor tracking and more. If you are looking to find great link opportunity then Ahrefs is the tool winning in that domain. 

Have you ever received a warning from Google Chrome to not visit a page? It will block the page and prevent you from going there because of some security issue. We begin by ensuring your website passes a SSL Certificate Validity Check. This a whole range of security protocols that should be within your website’s coding or built-in to the domain. It shows the world that your site is trustworthy!
Ahref, i love teh most as it is teh most accurate keyword analysis tool, it is fast and provide you with valuable Data , so based on it you acn define your own content staretyg, without propoer planning, and Atcion plan chanecs are the data you download from arefs, would only save on your drive . Define an Action plan and use data in your inbound marketing asap you acn, it is teh only way to succeed. Best of luck
I've used a couple of SEO software programs over the last 4 years. Moz, Serpstat, SEM Rush and now Ahrefs. Since the bulk of my focus is actually building links, I think Ahrefs has the most reliable results. For example, if you checked the backlink profile of 10-20 websites on Ahrefs and compared to another SEO software provider, I bet that you would average at least 10-15% more results with Ahrefs. That can be a lot more opportunities! Their keyword phrase tracker seems to work pretty quickly and seems to be accurate.
Depending on the plan, you are only allowed up to 100 domain searches a day. If you purchase their top tier plan you only get double of that. Sometimes it can take you several days to do certain types of research. This can start to get a little bothersome as we work with several clients and all of them need to use this software to make sure everyone is getting the best work that we have to offer.

The backlink index is one of the best too though at the time of writing, Moz has just improved their index. Regardless of index size, which theirs is large enough, the type of data they provide is the most useful. The broken links data is probably the most useful that isn't easily matched by other tools. Additionally, going back to the content explorer, you can find unlinked mentions, a feature that appears to have been removed in Moz's "new" tool (I may just not be able to find it).
Love how you just dive into the details for this Site Audit guide. Excellent stuff! Yours is much much easier to understand than other guides online and I feel like I could integrate this to how I site audit my websites and actually cut down the time I make my reports. I only need to do more research on how to remove “zombie pages”. If you could have a ste-by-step guide to it, that would be awesome! Thanks!
Do you know that there are millions of people that are searching for something on YouTube every single day? Fortunately, YouTube is trying to make it easier for people to find what they are looking for. Which is why every time you make a search on YouTube, you will see a list of suggested terms as you start typing your search query. Usually, the most popular and relevant YouTube searches show up in these suggestions.
This feature can definitely help your SEO campaign, specifically, your link building campaign because you now have the capability to see all of the domains that removed your link from their content, and you can contact the webmaster to see if you can reclaim the lost link – this means that you now have the opportunity to either improve or continue your outreach and overall link building goals.

One of the things that AHrefs is best at is helping with a content marketing strategy. Though it's best known as a backlink index (which it's great at and I'll get into that), coming up with good content ideas is one of the things I get the most use out of it with using the content explorer. I find articles that do well for the topics I want to target and it's clear what already resonates with your audience which is powerful.

Its interesting that you overlooked Ahrefs site audit tool. Unlike SEMRush which limits you to 20,000 URLs, Ahrefs can crawl very large websites. Their data explorer is by far the best in the business. SEMRush gives you a list of URLs with issues they want to identify. But no option to customize. Ahrefs, much easier to use and powerful Data Explorer are very powerful indeed.
The total number of backlinks and their quality pointing to your complete website result in the overall authority of your domain. The external links that all point to a specific page will help this page to rank in the search engine results (SERPs). The relevance and quality of an external link are very important factors when you like to measure the impact / value of an link. To find out more about quality links have a look at this article on: the Official Google Webmaster Central Blog – https://webmasters.googleblog.com/2010/06/quality-links-to-your-site.html 

Thank you for the great checklist. It is really useful and gave us a couple of new hints on optimization process. We’ve been using WebSite Auditor and found it exremely helpful in site’s structure and content analysis, bringing all the statistical information on the validation errors, social mentions, duplicate stuff, etc. under one roof. Still there is so many different SEO information you sometimes cannot understand what to start with. Fortunately you answered this question. Thank you again!
With Ahrefs, users get the best backlink checking platform in the industry. With just a few clicks of the button, users have a crystal clear profile of any website or URL. From links to anchors as well as the strength of the backlinks, Ahrefs reveals them all in an instant. Users can also monitor backlinks and follow their growth overtime and deploy smart filters and advanced reporting features to quickly discover relevant data.
The thing that I liked the best about Ahrefs is that it contains a huge database of backlinks when I've checked my own website and my competitor's websites. This has allowed me to dig deeper and find out their exact linkbuilding and SEO strategies. Ahref contains a lot of tools and features that will make the life of an SEO professional or webmaster who wants more search engine traffic a lot easier. One of these features is the batch analysis feature. Basically, instead of entering your competitor's backlinks one at a time you could actually enter it once. This allows you to quickly check on the SEO metrics for a lot of competitor URLs in just one click.
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