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In this Semrush review, I’m going to put one of the best-known SEO tools available to the test.
I’m going to discuss how it stacks up in terms of:
Let’s dive in with an important question…
What is Semrush?
Simply put, Semrush is a product that helps you optimize your website for search engines.
Created in 2008 by Oleg Shchegolev and Dmitry Melnikov, it now has a very large user base — over 7 million users, according to the company — and is one of the most popular search engine optimization tools currently available.
Semrush works by giving you a lot of information that you can use to…
For example, based on phrases you enter, Semrush can give you keyword suggestions that can be used as the basis for writing blog posts that are likely to perform well in search results.
It can also tell you how difficult it will be to rank for specific search queries.
It will suggest websites that might be worth approaching for backlinks.
And it allows you to perform SEO audits on your website to find out if there are any technical improvements you can make to it that will help you achieve better search results.
That’s just the beginning though: there are many other features provided by Semrush that are designed to help you improve your site’s search rankings.
I’ll go through these in depth below, highlighting all their pros and cons.
Let’s kick things off by looking at something called domain analysis.
Most SEO projects start with some basic domain analysis. This means getting a simple overview of the ‘quality’ of a domain from an SEO point of view.
You typically perform domain analysis either on your own website — to see where SEO improvements could be made — or on a competitor’s, to see how difficult it will be to outrank them in search results (or to find ways to do so).
You might also perform domain analysis on a website in order to see if it’s worth approaching its owner for a link from that site to yours — this is because external links (or ‘backlinks’) from high-quality websites to your content can really boost its performance in search.
It’s very easy to perform domain analysis in Semrush — you just enter a domain URL in its ‘domain overview’ section, and you get an immediate sense of how it’s performing in search engine results.
Metrics provided include:
Of the above metrics, the one that gives you the quickest understanding of site quality is usually the ‘authority score.’
Semrush calculates this based on:
The authority score used to be a bit buried in Semrush’s interface, but recently it’s been moved front and centre of the domain overview section, giving you an immediate sense of what Semrush thinks of a particular domain.
Now, what’s important to remember about the domain overview statistics is that while the majority of them are based on hard data, the traffic figures are estimates — and my experience of them is that they are not always 100% accurate.
(I base this observation on comparing the Semrush traffic estimates against Google Analytics data for websites that I have access to).
To be fair to Semrush though, it doesn’t actually claim that the traffic figures are 100% accurate — if you navigate to its ‘Traffic Analytics’ tab, you can view an estimate of how accurate its traffic stats for a particular site are likely to be (low, medium or high).
Nonetheless, it’s best to treat the traffic stats in Semrush as something that gives you an indication of site popularity — doing so can help you put your site into context against those of your competitors, or identify sites that it’s worth approaching for backlinks.
The other metrics provided in Semrush’s domain overview are also very useful, and help you gain some very valuable insights on both your own site and others.
Worth a particular mention is the ‘competitive positioning map’ which lets you see, at-a-glance, where a particular site fits into a particular market — and how well it fares is against its competitors.
The ability to break things down by country is also helpful — it helps you get a sense of where in the world a site is performing particularly well.
Getting historical data is particularly straightforward in Semrush’s domain overview tool: a simple dropdown menu lets you access snapshots of a domain’s performance in search from specific months and years (data is available from January 2012 to the present day).
But worth a particular mention is the ‘at-a-glance’ breakdown of the main ‘search intent’ behind the keywords a domain ranks for (see screenshot below).
This gives you more context about why people click on search results for a particular website — to research something, locate a specific page, buy something etc.
(Competing tools like Moz and Ahrefs are yet to provide this easy-to-access ‘search intent’ data.)
The only thing I feel is missing from Semrush’s domain overview is a ‘traffic cost’ figure (this lets you know how much it would cost each month to buy ads that generated an equivalent amount of traffic).
Other tools, including Ahrefs, display this as part of their domain overview analysis. You can get this data in Semrush, but you have to go to a separate ‘Organic Research’ page to see it.
All in all though, the domain overview section of Semrush is extremely useful, and this aspect of the product on its own gives you a huge insight into how a website is performing from an SEO point of view.
Keyword research in Semrush
Keyword research is generally about:
Semrush gives you a keyword research tool that makes it very easy for you to find out all the above information.
Accessing basic keyword data
To find basic statistics about keywords in Semrush, you enter a phrase into its ‘Keyword Overview’ tool.
Doing so shows you a wide range of keyword analytics, the key ones being:
As with domain analysis, you can do this on a per country level too, which is helpful.
One of the most important metrics returned here is the keyword difficulty score.
Semrush uses a percentage to indicate this — with a higher percentage indicating that it’s going to be harder to rank for a particular keyword.
As the arrow in the screenshot below shows, Semrush can also give you an indication of the number of backlinks (links from other content to yours) that it will take to rank for your target search phrase.
This is a relatively new addition to Semrush’s feature set, and a very welcome one.
In general, this new feature works great, but sometimes Semrush doesn’t output the number of links it thinks you need to get a piece of content ranking for your target keyword.
Instead you’ll occasionally get a slightly vague statement about needing “lot of on-page SEO, link building, and content promotion efforts” to rank.(You’ll notice this in particular where ‘very hard’ keyword difficulty scores are returned – see screenshot below for an example of this).
It would be better if, like competing tool Ahrefs, Semrush could be more specific in those contexts instead.
To get detailed keyword suggestions based on a phrase you’ve entered, you need to use Semrush’s ‘Keyword Magic’ tool.
From a usability point of view, it would probably be better if this was simply called ‘Keyword Suggestions’ — ‘Keyword Magic’ sounds a bit vague — but once you’ve arrived in this part of Semrush, you’ll find it’s really easy to use.
It provides you with a list of keywords that are related to the phrase you entered, along with filters that you can use to sort them, including:
One feature I really like about the ‘Keyword Magic’ tool is the filters that Semrush provides to help you spot keywords that are easy to rank for. You can use a simple dropdown menu — pictured below — to view related keywords by difficulty (ranging from ‘very easy’ to ‘very hard’).
This makes it easier to spot the keywords that you can realistically rank for in search results.
In addition to the keyword difficulty filter, Semrush also gives you a wide range of other ways to segment keyword suggestions — you can also filter by the number of searches per month for them, words to exclude and how closely keyword suggestions should match your entered phrase. A ‘beta’ filter now lets you filter by language, too.
Used correctly, this functionality really lets you hone in on the keywords that are going to work best for your project.
Another thing that differentiates Semrush from competing SEO tools in the keyword research department is its inclusion of ‘search intent’ in the data provided. When you are presented with a list of keyword suggestions, they are accompanied by a little letter — I, N, C or T. These labels respectively let you know whether a keyword suggestion is informational, navigational, commercial or transactional.
These are defined by Semrush as follows:
These labels give you more context about a particular keyword than just search volume alone, and help you make better decisions regarding whether a particular keyword is worth focusing on or not.
For example, selecting the ‘commercial’ option on the keyword intent filter drop-down menu lets you focus exclusively on keywords that typically lead to purchase.
So all in all, Semrush’s keyword difficulty tool provides you with all the key information you need to make decisions on which keywords to target as part of an SEO project.
However there is some scope for improvement, because the data provided is for Google searches only — it would be better if metrics were available for some other search engines.
Now to be fair, the overwhelming majority of searches continue to be made on Google (92% at time of writing, according to Statcounter) — but there are territories, not least the USA, where other search engines enjoy a reasonable slice of market share (in the US, for example, over 7% of searches are currently made on Bing).
Competing product Ahrefs gives you access to Bing data, along with data from several other search engines too, including YouTube and Amazon (and Moz includes some Bing data for rank tracking purposes).
‘Rank tracking’ or ‘position tracking’ is the process of monitoring how your website performs in search engines for a particular keyword over time.
It’s easy to set this up in Semrush — you go to its position tracker section, enter a domain name and the keyword(s) you’d like to track, and you get a report showing you how your site is currently ranking for those keywords. You can also track on a per-country basis.
As time goes on, and more data about your site flows into Semrush, you’ll be able to monitor the progress of your attempts to rank more highly for your chosen phrases.
You can also enter competitor website data into Semrush’s position tracker tool; this allows you to compare (again, over time) how your site is performing for chosen keywords against those of your competitors.
And finally, you can avail of regular rank tracking email notifications — you can either subscribe to weekly summaries, or create ‘triggers’ that send you an email whenever something significant happens with your ranking — for example, whenever a particular piece of content has entered or dropped out of the top 10 results for a specified search query.
Ultimately the position tracking functionality in Semrush is strong — no complaints here.
How well a site performs in search results very much depends on how many ‘backlinks‘ — links from other sites to it — exist for the site in question.
There are two ways to go about looking at backlinks in Semrush: the first is to use its ‘backlink analysis’ option, and the second is to perform a ‘backlink audit.’
Let’s look at each in turn.
The ‘Backlink Analytics’ section in Semrush lets you enter a domain name and view a list of all the backlinks it can find to it.
You can also use this section to view:
All the information is laid out very clearly, and lets you see when a domain has gained or lost backlinks, along with the value of the links in question. You can use this information to improve your own SEO efforts, or gain insights into a competitor’s.
How accurate Semrush’s backlink analysis is, of course, depends on the size and quality of its link database. At time of writing, Semrush claims to have 43 trillion URLs in its link database, which if accurate compares well with its key competitors Ahrefs (30.7 trillion) and Moz (43.1 trillion).
If these figures are correct, this makes the Semrush link database one of the larger ones.
I was curious however to see how this played out in some real-world tests, so I ran backlink audits on some quite different sites to see how some of the major tools fared against each other in this area.
In my (admittedly small-scale) tests, I found that the number of backlinks found by each tool was pretty similar, with Semrush performing better on websites with a smaller number of domains linking to them — it seemed to identify more linking domains than competing products Ahrefs or Moz.
For example, we’re involved with content strategy for a relatively new site – a guide to Dublin public transport. While Ahrefs and Moz both found around 450 referring domains to this site, Semrush over 700.
However, Ahrefs and Moz tended to perform better where sites with bigger backlink profiles were concerned — and that there was quite a difference in results.
For example, when I ran the Shopify domain through all three tools, Semrush found 1.6 million domains pointing to it, while Moz surfaced 2.5 million and Ahrefs surfaceed 2.4 million.
As this was just a small test, I wouldn’t draw firm conclusions from it — but if there is a trend to be discerned, it’s that Semrush’s large link database size doesn’t automatically translate into surfacing a bigger number of linking domains — it will depend on what the types of websites you’re looking at.
But on paper, Semrush’s database is larger than that of several key competitors, and it definitely provides you with a very comprehensive set of results that is comparable to those of other leading SEO tools.
The other way to look at backlinks in Semrush is by performing a ‘backlink audit’. The core purpose of doing this is to establish the ‘toxicity’ of backlinks pointing to your site and determine its ‘site health’.
During a backlink audit, Semrush compiles a list of links that it thinks are spammy, which you can then review and upload to Google as a ‘disavow’ file.
This effectively tells Google to ignore these toxic links — and, because Google can penalise sites with lots of poor-quality links pointing to them, disavowing bad links can have a beneficial impact on your search rankings.
(Note however that it’s important to tread very carefully when it comes to disavowing links — read Google’s guidelines on the topic before doing so!).
Semrush’s backlink audit tool is very good at spotting poor-quality links and makes it really easy for you to prepare a disavow file for upload to Google.
However, it should be noted that not all SEO professionals think that link spam identification tools are actually that helpful; many believe that a more manual approach to identifying poor-quality links works better.
Furthermore, Google’s Webmaster Trends Analyst John Mueller is not a fan of the concept of toxic links at all, or the tools that identify them; and has said that it would be rare for link disavowals to lead to a positive impact on search results.
(In fact, recently Mueller even went so far as to suggest that webmasters who have never had a manual penalty should consider deleting their disavow file entirely).
Do what you will with that information!
Link building in Semrush
One of the standout features of Semrush is its link building tool.
As mentioned above, link building — the process of getting other sites linking to yours — is absolutely vital to the success of any SEO project, because search engines typically reward sites with more links pointing to them with higher positions in search results (so long as the links in question are located on high-quality, relevant websites).
Semrush’s link building tool works by
and then surfacing a list of ‘prospect’ websites that it thinks is worth approaching for a backlink or guest post opportunity.
Not only that, but it provides you with some extremely useful tools for doing so. You can connect your mailbox to Semrush and send outreach emails from within the tool.
You can then keep tabs, CRM-style, on the progress of each approach.
If that wasn’t enough, where possible Semrush even provides you with email addresses for each website, and the option to save an outreach email as a reusable template (see screenshot above).
All this goes well beyond anything that’s offered by Semrush’s key competitors in the link-building department; and it’s arguably the strongest argument for using Semrush over them.
Broken link building
Broken link building is a related — and very important — SEO tactic.
It involves three steps:
This approach allows you to build up new backlinks to your content — and as mentioned previously, the more (quality) backlinks that point to your website, the better your content performs in search.
Semrush’s broken link building feature is less easy to ‘get at’ than I’d like, however.
To use it, you need to run a backlink analytics report, navigate to an ‘indexed pages’ section, click a ‘broken pages’ option and then export the results to an Excel or CSV file. You can then sort or filter this file to identify the 404 errors (i.e., the broken links).
This is a bit of an fiddly process, but on the plus side you can reimport your broken links file to Semrush (along with relevant email addresses) and do your outreach directly within the platform, using a connected mailbox and the CRM ‘pipeline’ approach referred to earlier.
Still, there’s some room for improvement here — Ahrefs, for example, simply lets you hit a ‘broken links’ option (pictured below) and returns a list of all the broken outgoing and incoming links for a specified domain.
A really useful feature of Semrush is its site auditing functionality.
During a site audit, Semrush will look out for issues which might be having a negative effect on your search ranking, including:
It will give you a list of issues to address — and in a nice touch, allows you to export tasks to the popular project management app Trello (you can also use Zapier to send them to another project management tool if you prefer).
You can also send your tasks to Semrush’s own simple CRM tool, which is built into the platform.
I particularly like Semrush’s on-page SEO checker, which scans your entire website and gives you actionable tips for improvement for each page (in order of priority).
These can include suggestions on
…and lots more useful SEO ideas.Another thing that’s great about Semrush’s site auditing features is that it doesn’t just tell you what things to do, it tells you why you should do them.
A ‘Why should I do this?’ link accompanies each suggestion, and when clicked, explains in plain English the rationale behind each recommendation.
(You can actually learn a lot about SEO simply by reading these tips!)
The site audit feature is simply superb and, as with Semrush’s link building features, arguably outclasses similar offerings from competing tools.
Let’s move on now to ease-of-use.
Interface and ease-of-use
The Semrush interface is similar to those of competing products like Moz and Ahrefs, comprising a menu of options on the left that you use to access functionality on the right.
The menu options are grouped together in useful categories — competitive research, keyword research, link building, rank tracking, on-page SEO and reporting.
There is a lot of data to contend with — this may feel overwhelming at first, but you soon get used to it (and the point of tools like Semrush is, of course, to provide you with a lot of data).
Additionally, the data visualization that Semrush provides helps you get over this sense of overload — most of the metrics provided are graphed in ways that make the information supplied much easier to understand.
It would be nice however if Semrush’s interface could be made to work better with smartphones — as things stand, it’s not ‘responsive’, so if you log into Semrush on a mobile device, you see the standard desktop interface. This means that you’re dealing with very small text and a lot of pinching and zooming.
On the plus side, there is a mobile app available from Semrush that lets you access your position tracking data on mobile devices. It would be better however if it gave you access to some of the other key Semrush features too.
(As for the user reaction to the position tracking app, it scores 3.1 out of 5 in the iOS app store, and 3.5 out of 5 in the Google Play store).
Overall, Semrush’s interface is laid out in an intuitive fashion and is straightforward to use — but you will need to be using a desktop computer rather than a mobile device to get the most out of it.
Pricing and value for money
Compared to other types of ‘SaaS’ (software as a service) apps, SEO tools like Semrush can be expensive.
That’s understandable however, as you’re not just paying for functionality, you’re paying for access to really large quantities of data, including a lot of competitor intelligence.
Semrush offers 3 main pricing plans:
(Discounts of up to 17% for the above are available if you pay upfront for a year — the equivalent monthly costs become $99.95, $191.62 and $374.95 for the above three plans respectively).
There’s also a ‘Custom’ version of the platform to consider — this lets corporate or ‘enterprise level’ customers create their own bespoke plans (with more generous limits on reports and queries, more user accounts etc.).
It’s important to note that if you want to check Semrush out before committing to a paid-for plan, a free trial is available.
The standard version lasts 7 days, but for a limited time the company has made a 30-day free trial available — you can access the extended free trial here.
You have to enter your credit card details to avail of the fully-featured trial, which — while common enough practice where a lot of SEO tools are concerned — is a bit annoying.
Semrush’s fees are broadly comparable to those charged by key competitors Moz, Ahrefs and Majestic (that said, Majestic offers a lower monthly plan for $49.99 per month, but it is considerably less functional than the entry level plans provided by its competitors).
The main differences between the Semrush plans involve:
The more you pay, the more you get of all the above.
Let’s zoom in on a few aspects of the pricing structure to highlight where Semrush offers good — or bad — value for money.
Probably the worst thing about Semrush’s pricing structure is that all plans — even the $449.95 ‘Business’ plan — only include one user account or ‘seat.’
If you want more than one person in your organization to have access to Semrush, you’ll need to pay $45 to $100 extra, per user (depending on plan type).
This compares negatively with many of Semrush’s key competitors, which generally increase the seat count as you go up the pricing ladder (or charge less for extra seats).If this is an issue for your organisation, you may need to investigate purchasing a ‘Custom’ plan from Semrush — as its name suggests, this allows you to negotiate pricing for a solution involving a custom number of features and users.
It’s important to be aware that quite a few Semrush features can only be used on domains that have been added as ‘projects.’
Key features that fall into this category include site audits, backlink audits, link prospect identification, on-page SEO checking and position tracking.
How many projects you can have on the go depends on the Semrush plan you’re on — the entry level plan, at $119.95 per month, facilitates 5; the ‘Guru’ plan 15 and the ‘Business’ plan 40.
These limitations won’t necessarily be a showstopper for every business — but if you have a lot of sites that you need to manage SEO for concurrently, or do a lot of competitor analysis, it is definitely something to be aware of.
Semrush is very generous when it comes to the number of reporting requests you can make each day: even on its entry-level plan, you can pull 3,000 domain analysis reports per day — this massively outnumbers the 500 reports you can run per month on the Ahrefs entry level plan, for example.
This comparative generosity continues as you go up the pricing ladder — for example, the Semrush limit for reports on its $449.95 plan is 10,000 per day, while the Ahrefs limit remains at 500 per month.
Competitive intelligence tools and add-ons
There are quite a few Semrush features for analysing competitors’ websites that are not available without purchasing a ‘Semrush.Trends’ add-on.
When you buy this you get access to:
Rather disappointingly, this add-on costs $200 per user per month. To be fair, most of the above metrics could be considered worthy of paying a bit extra for, but $200 per month feels rather expensive (and in some contexts, makes the add-on more expensive than some of the plans!).
Additionally, if you want to access local SEO features, you’ll also have to shell out extra.
There are two local SEO add-ons available: ‘Basic Location,’ which costs $20 per month, and ‘Premium Location’, which costs $40 per month.
Both give you the ability to:
The premium version also gives you access to a ‘local heatmap’ — a way to see how your customers can find your business versus other local companies on Google Maps — and a facility that lets you respond to reviews directly within the Semrush interface.
Recently, Semrush added a new content analysis add-on to their collection: ‘ImpactHero.’ This is described by the company as an ‘AI tool that breaks down your content by buyer journey stages, detects the most impactful copy, and gives tips on reinforcing your efforts.’
In practice, ‘ImpactHero’ seems quite similar to Google Analytics — my feeling is that if you’re already using Google Analytics in a smart way (using events and goals etc.), you might not necessarily need this add-on.
And finally there’s the ‘Agency Growth Kit‘ add-on to consider — this is aimed at digital marketing agencies that want to ‘white label’ Semrush data for their SEO clients.
The add-on lets you produce custom PDFs reports that have no Semrush branding on them; it also helps you list your business in a directory of Semrush certified agencies (probably the most useful aspect of the add-on) and access client management tools.
The agency growth kit costs an additional $150 per month (on any plan).
If you’re working on a mix of SEO and PPC projects, you may find that Semrush represents better value than some of its competitors.
This is simply because it features more PPC data — whereas other tools give you basic CPC figures for individual keywords, Semrush goes far beyond this, giving you detailed CPC competition and distribution data, live ads, ad history and PPC campaign planning tools.
SEO tools like Semrush tend to be quite complex in nature, so the availability and format of customer support is a key consideration for prospective users.
The good news is that you get 3 channels of customer support with Semrush: phone, email and chat. This contrasts positively with competing products, not all of whom offer phone support (Moz and Majestic don’t even offer live chat support).
And, unlike some other SaaS products, Semrush makes its contact details easy enough to spot — a help chatbox is visible at the corner of each page, and a phone number is listed prominently in the footer of the Semrush website.
There’s none of that annoying ‘search our help pages before we show you a phone number’ stuff to go through — help is immediate.
Semrush review conclusion
Semrush is a really solid SEO tool that gives you all the key data you’ll need for a successful SEO project. For me, its standout features are its link building and site auditing tools — the former gives you an excellent ‘CRM’ style method of building backlinks and the latter gives you a super-easy checklist of ways that you can improve your technical and on-page SEO.
Worth a particular shoutout is its ‘search intent’ feature — this helps you identify the target keywords that are most likely to generate sales and conversions, and focus on creating content for them.
The main downsides? Well, the only search engine Semrush provides data for is Google; all accounts only come with one user account (‘seat’); and several key features can only be used as part of a ‘project’ (with limits applying to the number of projects you can run concurrently).
It’s also a bit disappointing that some of the competitive intelligence features can only be unlocked via a rather pricey $200 per month add-on.
But overall, Semrush is a very good solution that provides you with the key information you’ll need to improve your Google rankings. As with all the products we review though, we recommend that you try the tool out yourself before purchasing — for a limited period, an extended free trial is available here.
To finish up, below you’ll find a summary of the key pros and cons of using Semrush, and some information about alternative SEO products.
Alternatives to Semrush
The main competitors to Semrush are probably Ahrefs, Moz, and Majestic; we’ve yet to review all of these tools individually but we do have an Ahrefs review here, a comparison review of Ahrefs and Semrush available here, a Moz vs Ahrefs comparison here and a Moz vs Semrush shootout here.
From my previous use of Ahrefs and Moz, I’d argue that what differentiates Semrush most from these competing products is the ‘CRM-style’ approach that it brings to link building campaigns — this in my view is the main advantage of using Semrush over them. The ‘keyword intent’ feature is also worth singling out as a distinguishing feature.The other products mentioned above are more generous when it comes to user accounts however — if you have a lot of users in your organization who need to access an SEO tool, you may find one of the alternatives end up being a more cost-effective option for you.
If you’re on a tight budget, you might also be interested in a new SEO tool, GrowthBar, which is available at a much lower cost than most of the products listed above. A five day trial of GrowthBar can be accessed here; or you can check out our GrowthBar review here.