Join the 1500 companies using G2 Track to manage SaaS spend, usage, contracts & compliance.
Compare Google Tag Manager, SimilarWeb, Alexa Marketing Stack, and SEMrush

Pricing

 
FREE
$0
per month
ADVANCED
$149
per month
Pro
$99.95
/ month
 
ENTERPRISE
Custom Plans
Guru
$199.95
/ month
 
Additional Solutions
Custom Plans
Business
$399.95
/ month
 
Enterprise
Upon Request
 
Free Trial Unavailable
Free Trial Unavailable
Free Trial
Free Trial
Google Tag Manager
Free Trial Unavailable
SimilarWeb
FREE
$0per month
ENTERPRISE
Custom Plans
Additional Solutions
Custom Plans
Free Trial Unavailable
Alexa Marketing Stack
ADVANCED
$149per month
Free Trial
SEMrush
Pro
$99.95/ month
Guru
$199.95/ month
Business
$399.95/ month
Enterprise
Upon Request
Free Trial

Ratings

Meets Requirements
Meets Requirements
9.2
7.7
7.0
8.9
Ease of Use
Ease of Use
7.7
8.7
8.1
8.3
Ease of Setup
Ease of Setup
7.8
9.2
8.3
8.6
Ease of Admin
Ease of Admin
8.2
9.7
8.3
8.8
Quality of Support
Quality of Support
6.7
7.7
6.7
8.4
Ease of Doing Business With
Ease of Doing Business With
8.0
8.3
7.7
8.8
Product Direction (% positive)
Product Direction (% positive)
8.7
7.8
6.4
9.1
Meets Requirements
Google Tag Manager
9.2
SimilarWeb
7.7
Alexa Marketing Stack
7.0
SEMrush
8.9
Ease of Use
Google Tag Manager
7.7
SimilarWeb
8.7
Alexa Marketing Stack
8.1
SEMrush
8.3
Ease of Setup
Google Tag Manager
7.8
SimilarWeb
9.2
Alexa Marketing Stack
8.3
SEMrush
8.6
Ease of Admin
Google Tag Manager
8.2
SimilarWeb
9.7
Alexa Marketing Stack
8.3
SEMrush
8.8
Quality of Support
Google Tag Manager
6.7
SimilarWeb
7.7
Alexa Marketing Stack
6.7
SEMrush
8.4
Ease of Doing Business With
Google Tag Manager
8.0
SimilarWeb
8.3
Alexa Marketing Stack
7.7
SEMrush
8.8
Product Direction (% positive)
Google Tag Manager
8.7
SimilarWeb
7.8
Alexa Marketing Stack
6.4
SEMrush
9.1

Reviewers' Company Size

Small-Business (50 or fewer emp.)
Small-Business
(50 or fewer emp.)
51.7%
33.3%
75.0%
64.4%
Mid-Market (51-1000 emp.)
Mid-Market
(51-1000 emp.)
34.9%
55.6%
18.8%
30.2%
Enterprise (> 1000 emp.)
Enterprise
(> 1000 emp.)
13.4%
11.1%
6.3%
5.3%
Google Tag Manager
Small-Business
51.7%
Mid-Market
34.9%
Enterprise
13.4%
SimilarWeb
Small-Business
33.3%
Mid-Market
55.6%
Enterprise
11.1%
Alexa Marketing Stack
Small-Business
75.0%
Mid-Market
18.8%
Enterprise
6.3%
SEMrush
Small-Business
64.4%
Mid-Market
30.2%
Enterprise
5.3%

Reviewers' Industry

 
Marketing and Advertising
38.1%
Internet
26.8%
Information Technology and Services
21.1%
Marketing and Advertising
36.8%
 
Internet
9.7%
Marketing and Advertising
19.5%
Program Development
10.5%
Internet
13.2%
 
Computer Software
7.3%
Public Relations and Communications
17.1%
Online Media
10.5%
Computer Software
10.0%
 
Information Technology and Services
7.1%
Information Technology and Services
14.6%
Internet
10.5%
Information Technology and Services
6.1%
 
Retail
2.4%
Financial Services
4.9%
Design
10.5%
Retail
2.2%
 
Other
35.4%
Other
17.1%
Other
36.8%
Other
31.8%
Google Tag Manager
Marketing and Advertising
38.1%
Internet
9.7%
Computer Software
7.3%
Information Technology and Services
7.1%
Retail
2.4%
Other
35.4%
SimilarWeb
Internet
26.8%
Marketing and Advertising
19.5%
Public Relations and Communications
17.1%
Information Technology and Services
14.6%
Financial Services
4.9%
Other
17.1%
Alexa Marketing Stack
Information Technology and Services
21.1%
Program Development
10.5%
Online Media
10.5%
Internet
10.5%
Design
10.5%
Other
36.8%
SEMrush
Marketing and Advertising
36.8%
Internet
13.2%
Computer Software
10.0%
Information Technology and Services
6.1%
Retail
2.2%
Other
31.8%

Reviews

Most Helpful Favorable Review
Most Helpful Favorable Review
G2 User in Marketing and Advertising

I like the ease of use and organization of the tool. Makes tagging really easy for all the multiple products that we have to keep all in one central place.

G2 User in Financial Services

Similarweb is a fantastic tool for market research. The ability to view the breakdown of traffic sources for any given website, say referral traffic, and dig in to the specific websites sending traffic is invaluable as we prospect for new partners.

Kate K.
Administrator in Machinery

I work for a global company that needs to compare sites in different country's. It was amazingly simple to set-up and review the results for each site ranks to there local markets and compare on a globally scale. With the ability to run site audits and...

Stephen D.
Agency in Internet

Well I use it mostly for keyword research to find more keywords that my client should be focusing on that they may have missed by looking at what their competitors are doing. However I think my favorite thing is the ability to find quality back-links that...

Most Helpful Critical Review
Most Helpful Critical Review
G2 User in Marketing and Advertising

It could be made less complicated for non-coders, but then again I understand it would lose some of it's power for those that need it.

G2 User in Marketing and Advertising

This is not a technology, but a service. You enter domains in a spreadsheet that can do look-ups. You cannot easily do a list build and the way they do look-ups eats into your API calls, which are limited every month. My CSM is definitely trying to be...

Emrah A.
User in E-Learning

I can't trust Alexa because its algorithm is open to manipulation. If i use Alexa Toolbar, my website statistics better than other site which is really good from my website. therefore Alexa must change the algorithm. Alexa insights are not agree with Google...

G2 User in Graphic Design

The competitor budgets tend not to be very accurate.

 
Google Tag Manager
Most Helpful Favorable Review
G2 User in Marketing and Advertising

I like the ease of use and organization of the tool. Makes tagging really easy for all the multiple products that we have to keep all in one central place.

Most Helpful Critical Review
G2 User in Marketing and Advertising

It could be made less complicated for non-coders, but then again I understand it would lose some of it's power for those that need it.

SimilarWeb
Most Helpful Favorable Review
G2 User in Financial Services

Similarweb is a fantastic tool for market research. The ability to view the breakdown of traffic sources for any given website, say referral traffic, and dig in to the specific websites sending traffic is invaluable as we prospect for new partners.

Most Helpful Critical Review
G2 User in Marketing and Advertising

This is not a technology, but a service. You enter domains in a spreadsheet that can do look-ups. You cannot easily do a list build and the way they do look-ups eats into your API calls, which are limited every month. My CSM is definitely trying to be...

Alexa Marketing Stack
Most Helpful Favorable Review
Kate K.
Administrator in Machinery

I work for a global company that needs to compare sites in different country's. It was amazingly simple to set-up and review the results for each site ranks to there local markets and compare on a globally scale. With the ability to run site audits and...

Most Helpful Critical Review
Emrah A.
User in E-Learning

I can't trust Alexa because its algorithm is open to manipulation. If i use Alexa Toolbar, my website statistics better than other site which is really good from my website. therefore Alexa must change the algorithm. Alexa insights are not agree with Google...

SEMrush
Most Helpful Favorable Review
Stephen D.
Agency in Internet

Well I use it mostly for keyword research to find more keywords that my client should be focusing on that they may have missed by looking at what their competitors are doing. However I think my favorite thing is the ability to find quality back-links that...

Most Helpful Critical Review
G2 User in Graphic Design

The competitor budgets tend not to be very accurate.

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Google Tag Manager
SimilarWeb

Videos

 No videos providedNo videos providedNo videos provided

Overviews of all of the the SEMrush toolkits — including the SEO Toolkit, Competitive Research Toolkit, Advertising Toolkit, Content Marketing Toolkit, and Social Media Toolkit

Google Tag Manager
No videos provided
SimilarWeb
No videos provided
Alexa Marketing Stack
No videos provided
SEMrush

Overviews of all of the the SEMrush toolkits — including the SEO Toolkit, Competitive Research Toolkit, Advertising Toolkit, Content Marketing Toolkit, and Social Media Toolkit

Downloads

 No downloads providedNo downloads providedNo downloads provided
Google Tag Manager
No downloads provided
SimilarWeb
No downloads provided
Alexa Marketing Stack
No downloads provided
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