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Our Next SEO Checker Website Analyzer Review: Nibbler

A nicely designed, lightweight SEO analysis tool

This is the 8th entry in our series of reviews of “SEO Checkers,” online tools that allow you to plug in your website address and have the tool check for areas of poor search engine optimization. Our latest entry is one of the nicest tools we’ve checked so far. The video review will walk you through the tool and I’ll show you things I like (quite a few) and things I don’t like (not very many) for this tool.

If you’d like a free SEO audit checklist, just like the one we use for our professional in-house SEO assessments, we give you a chance to get one here.

If you’re the type of person who would prefer to skim text, beneath the video is a full transcript of the video. Please let us know how you like it, or suggest other tools you think we should review, in the comments on the video or the blog.

Transcript of Nibbler SEO Checker Video Review

Hi. I’m Ross Barefoot with Horizon Web Marketing. We’re about to get started with the next in our series of tool reviews for free SEO checkup tools. Stick with me. I’ll be back in just a second. Hi, and welcome back. As you know, we’ve been working through a lot of free SEO tools that do a site analysis or a checkup on the SEO of your website. We’ve done quite a few in this series, and as a matter of fact, if you look down below in our playlists, you’ll see a playlist that is all of the various tool reviews that we have done so far. Make sure that you check those out. Also, I’m going to ask you right at the front, just in case you nod off during the video, please go ahead and subscribe to our channel. This gives Google an indication that the channel has some value, and we think it does. We hope you do too, so hit that Subscribe button. If you like this video, also hit the Like button, and that’ll make sure that YouTube and Google show it to more people.

In any case, let’s go ahead and get started with this particular tool that we’re looking at today. As you can see on my screen, what I’m showing is the website for the company that produces this tool, and I’m not really familiar with this company. They’re in the UK, and the name of the company is Silktide. Obviously, as they say, their business is in helping companies to come to grips with their websites and SEO analysis and so forth. They have a free tool that they offer, and this is where it’s located. It’s at nibbler.silktide.com. You can see Nibbler at the front. This is their free tool. They also have a Pro version of this tool, and I’m sure that’s the one that you hope you will, that they hope you will buy once you try out their free check. It’s actually a pretty cool tool, and one of the coolest things starts right off in the sense that you don’t have to give them an email address in order to try it out.

We’re going to go ahead and put it through its paces. We’ve been using this particular website that you see on screen. Very plain, very boring. It’s sort of a demo site that we use for this. It’s called Artisans of Colorado. It’s not at all professionally optimized. As a matter of fact, I’ve deliberately deoptimized certain aspects of this particular website so that we can perform these checks and have something we can work with. What we did is, we went to Nibbler, and we plugged that website in and generated a report. Once the report comes back, it takes a little while for it to generate, and it comes back looking like this. Really like their interface. It’s clean. It’s easy to use. Over on the right, you have the various sections of the report. They have a numeric grade that they give you. If you’re wondering how that numeric grade is composed, they’ve got a little overview over here on the left, so you can see like the accessibility grade. They’ve got a numeric rating on each of some subsections within that particular section of the website.

screen shot of intro screen for Nibbler free SEO checker

I like how things will expand and contract very quickly, and they’ve got some really good advice. As you drop down through their site, you can see they’ve got top priorities for website improvement. They’ve got links to read more material. They emphasize, right at the top, social media, and so that’s what they get started with is, just start scrolling through the interface. Now, I’d like to stay at the outset, but this tool is definitely not going to give you a complete audit, but we’ve checked half a dozen tools so far. None of them give you a complete audit, a complete SEO audit. Each of them will check certain aspects of your site. Nibbler is no exception. It’s not going to be complete, but what it does, it does pretty well. Let’s start out and just take a quick look at some of these sections. It’ll take a look, first of all, at your social media, and in this sense, it looks at whether you have a Facebook page that it can find or a Twitter account that it can find.

If you drop down here, it’ll also check for any indications that there have been some social shares of the website. Now, the one thing that, and I’ll go through and I’ll tell you some of the things that I fault about this tool and a lot of things that I really like about it in a general sense, one of the things that I do fault, and it’s a fairly minor fault, is that sometimes the organization of the various things could leave something to be desired. For example, when it comes to social media, they mix in this little rating here for Alexa. All right? It shows this Alexa ranking, which is really, doesn’t have anything to do with social media, so I don’t know why it’s sandwiched in between the analysis of a Twitter, or looking for a discovery of a Twitter account, and social shares. You’ll find that, in a number of different places, there’s kind of this curious organization that doesn’t make a whole lot of sense.

Let’s drop down, though, and see where they start out. Here, and the very next section is sort of like that. The next section goes into meta tags. Usually, these tools will rank your title and your description tag all in the same area, because the title tag typically is what shows up here in a search engine result. This is, would be a simulation of a Google result, and the description tag, the meta description tag, is usually what shows up as the description in the snippet. I like the fact that they have a preview of what a search snippet might look like, and I like the fact that they will not only check the page I plugged in for a meta description tag, and for a number of other things. They’re also checking proactively for the randomly selected pages within the site. Notice they’re telling me here that these pages below that they’ve checked have no meta description. That’s a very important heads up.

If we go down a little bit farther, you’ll notice that it also gives me a review of other meta tags that show up within this page. Now, unless you know a little bit something about HTML and web design, this may not do you a whole lot of good, but it is good to be able to reference it. Notice how they also have multiple pages, so they’ve tried to keep a clean design by only showing you certain tags, and then within that block, you can go to a page two and a page three to see other meta tags. I think that’s nicely done. It’s a good interface.

screen shot of the meta description tag analysis in nibbler

I like this content designation here. It tells me whether I have thin content. That’s Google’s word. Thin content. In other words, not a whole lot of textual content on the page. It gives it to me in this nice little sort of speedometer, tachometer type of representation, which is good, because the amount of content you have is a little bit on the subjective side.

Then if you look down below here and we expand it, you’ll see that it gives me the number of words of textual content on the other pages it’s checked. I really like that aspect. Content is extremely important. Most of the tools don’t do something like that. It’ll give me some indication as to whether it has the requisite pages on the server. It’ll also talk to me a little bit about internal links. I’m not crazy about this particular section, because it makes a recommendation I don’t necessarily agree with. Namely, that you should always have text in your anchors. An anchor is a link to another page, and the anchor text is the text that you click on. Yeah, it’s a good idea to have relevant text that people can click on and that describes the link, but there are many situations where you don’t need to do that, so I have a little bit of a quibble for giving that a red circle with a white X in it.

Now, down here under Headings, it gives me a keyword cloud, which shows the relative importance of certain words that it’s discovered within the headings or the H tags of these five pages. This is a great way to visualize where you’re either weak on content or you’ve emphasized the wrong content. This is a website, for example, for artists and artwork, and you’ll notice that the word that comes up the most is the word “recent,” which has nothing to do with our topic. That would need to be something that, from a content strategy, we would want to look at.

screen shot of the keyword cloud for heading elements for SEO analysis

We’ll scroll down here, and let’s see. It says, “Some pages did not define headings correctly.” This is a correct observation, because headings are often not used correctly on webpages. Headings should be in a hierarchy with one single H1 tag on a particular page. Now, it doesn’t tell me that right here. It doesn’t tell me that there should only be one H1 tag that’s the prime top-level heading of a page. This has two H1 tags, and it really would have been best if it flagged me as that not being, that that was not according to best practices, but the fact that it shows it in a hierarchy is a good thing, and they emphasize that also when it comes to their recommendations.

Let’s keep it moving here. I don’t want to keep you here too much longer. They give you some heads up about some images. It gives you information on the domain age, URL formats. I’m going to drop down here. I like the incoming links. They show number of links and number of domains. One thing I’d like to comment on that I really find to be refreshing is that they give the source of that data. A lot of these SEO checkers won’t tell you what the source is, so this is Ahrefs. A lot of people just call them hrefs, and they’re basically a service. There’s one of the most reputable in the SEO industry. They are used by tons of SEOs. It tells us that they’re using reputable information for this.

We go down here, there is one bug in their interface. It says, “Page titles,” and it reports correctly that all of the pages they checked do have defined titles, but notice here it says, “No Title,” “No Title,” “No Title,” in the breakout of pages, and that is incorrect. Probably a bug that their development team is already working on fixing. They show that there’s analytics on the site, and even give a call out to the fact that it’s using Google Tag Manager, which shows that it’s fairly recent. That is the construction of the tool.

Then freshness, they basically just look at the last modified date on the various pages in order to give you an idea. This is not that great of a metric, because often, pages can be modified in ways that don’t really matter, but it does give you all the various states for all the various pages it’s found and that you’ll basically do more than just the pages that are in the review. Now, this is at the end. It’s giving basically a little advertisement for their professional level Silktide Insites. I’d have to say if I was in the business of buying tools like this, I’d be very interested in their professional level tool based on my favorable impression of their free tool. However, we’re, this series of reviews is basically just taking a look at free tools, so we’ll stop with this one.

Now, let’s jump over real quick to the tale of the tape, so to speak. We’ve been lining up the various SEO checkers that we’ve been reviewing, and we’ve been taking a look at the internal SEO audit checklist that we use as a team. When we’re going through a site and doing a full SEO audit, we check a total 91 items, and that number tends to grow as SEO becomes more complex. You’ll see that Nibbler would help us to have cleared a total of sixteen out of 91 of those items. That seems like a really low percentage, but you can see here Google’s own tool, Lighthouse, only helped us clear six of the items on our checklist. HubSpot’s Website Grader only cleared two, so Nibbler tied for second so far in the number of items on a full-blown SEO audit that it helps us clear.

screen shot of a comparison of free seo checkers

That’s it for our review or our quick walkthrough of the Nibbler tool. Overall, I’d say this is one of the nicest tools I’ve looked at so far. It says a lot of good things about Silktide, the company that produced it. Personally, at some point, I might like to check out their Pro level tool, because this was a pleasant experience. In the meantime, if you have a tool that you’d like us to check, please go ahead and put it in the comments. If you’d like to ask us a question, put it in the comments. We’ll be glad to answer your questions, or if you just have an observation. Like I said at the outset of the video, please, if you find this useful, and even if you don’t, go ahead and hit the Subscribe button and the Like button, and we’ll be looking forward to presenting more what we hope to be very useful SEO and digital marketing videos in the near future. Again, my name is Ross Barefoot. Glad to have you join me for this walkthrough and hope to see you next time. Bye for now.

Website Tool Review: SEO Analyzer from SEO Centro

Don’t be Fooled by its Old School Appearance

In a lot of ways I really like the SEO Analyzer from SEO Centro, especially its lack of pretension.  After all, an analytical SEO Checker is there to provide a function, not an artistic user interface.  Still, it’s easy to ignore this free tool when you arrive at their home page, mainly because of the blizzard of ads, one of which tried to drive me away with flashing neon.

[Note: Check out the other SEO Checker reviews we’ve posted on our blog or on our YouTube channel]

I guess that’s a downside to a particular virtue of this tool, which is that it doesn’t demand your email address to use it (not to mention your money), but of course you do pay for it in a way; I counted 7 ads in the screenshot below. At least the advertising doesn’t bedevil you with pop-ups or pop-unders.

Picture of home page for SEO analyzer

SEO Nuts and Bolts

Once you get past the ads the approach is simple: input your web page URL (address) and the simplistic, anti-spam “access code” (i.e., the CAPTCHA) and wait a bit for it to do its magic.  Once it has processed your page you’ll have a tabbed interface divided into the following 8 sections:

  • SEO
  • Content
  • Keywords
  • Social Media
  • Usability
  • Reputation
  • Speed
  • Server

Image of the tabs on SEO Centro analyzer

Let’s just cover a few of these in turn.

The SEO Tab

What you’ll find on this tab

  • The page title, whether it is present, how long it is (although the length recommendation is out of date as of this writing), and whether it is “relevant” (it does this by comparing whether the words in the title are found elsewhere on the page).
  • The meta “description” tag (often referred to as simply the description of the page).  Like the title it will see if the description tag is present, and if it is it will give similar output on length and relevancy.
  • Also checks for the presence of robots.txt and robots element in html, as well as the presence of a sitemap.  It doesn’t seem to offer any insight as to the quality of those elements.
  • Under this tab you’ll see a “snippet preview” for desktop, showing you approximately how the page might look if it showed up in search results.
  • Headings are important for SEO, of course, and the SEO Analyzer offers a nice clear table of H usage with contents of each H tag, so you can review on your own.  Of course you need some knowledge of the principle of relevancy to be able to put this table to good use.

What the SEO tab is missing

  • It doesn’t give much guidance on <H> tags, for example I placed 2 <H1>s on page (which is a practice normally frowned up on in SEO) and it didn’t alert me to this.
  • It does not check whether the “www” variant of the website, or something similar called ip canonicalization, is set up correctly.  This is a fine technical point but an important one.
  • I would like to see it check for correct implementation of canonical tags on pages.
  • Also there is no analysis of the SEO properties of the body content that I could see.

The Content Tab

Highlights of what you’ll find on this tab

  • This section cherry picks a couple of technical issues, such as whether your page has a doctype set and whether it is using a technical construct called “frames” that can make the page less Search Engine Friendly (SEF).
  • Gives you a word count, which can alert you to pages that don’t have enough textual content.
  • It offers a recommendation to keep the load size of your page below 250mb, but I find in this age of rich content experiences (often expected by visitors) and widespread adoption of broadband (offered to most consumers of Internet content) a 250mb limit is a bit unrealistic nowadays.
  • This tab also shows a list of links on page and whether they are dofollow or nofollow, which can be moderately useful if you spot a pattern and know what to do about it.
  • It does check to see if the alt attribute of images is being made use of, which is a lower priority relevancy factor in SEO
  • In an effort to help you diagnose page size issues (which will be common if anything over 250mb is viewed as an error, it gives a list of all resources associated with the page that make up that big size, primarily JavaScript (js) and Cascading Style Sheet (css) but as no further explanation is offered you would need a developer’s knowledge for that to help you much.

What the Content tab is missing

  • I would like to see it show the content of those alt image attributes, so I can determine whether they are actually helping the relevancy of the page.
  • For anyone who is not a hard-core SEO, I think there needs to be much more explanation of what to do about many of the results that are reported.  There are indeed summaries on most of these, but they are so brief as to be not helpful to novice SEOs, business or marketing people.

The Keywords Tab

Highlights of what you’ll find on this tab, which is one of the more useful tabs this tool offers.

  • It has a decent keyword cloud, giving a visual representation of the importance of words it finds on the page.
  • You’ll find a number of tables that illustrate how keywords and keyword phrases are used on the page, both single keywords and multi-keyword groupings.
  • The “Top Keywords” section does a fairly decent job of picking out the most relevant phrases.
  • For each of the keywords and phrases it will indicate whether it is used in Title, Description, or any of the H tags on the page.
  • It will also show the keywords used in the anchor text (the clickable part of a link on the page).

What the keywords tab is missing

  • It would be nice to see more data on the keywords being used, such as search volume.

The Social Media Tab

  • Whether structured data is used (primarily Facebook’s Open Graph) to facilitate sharing on social networks.
  • Share data for a limited number of social media networks.

What the Social Media Tab is Missing

  • A check for the existence of Facebook Page, Twitter account, Instagram account.  The only check is for Google+ which is now a footnote to social media

The Usability Tab

  • This tab has a number of useful bits of information, including whether a language declaration is used (which is mainly useful if you serve a mutli lingual audience.
  • More importantly it checks for a couple of settings relevant to mobile usability, such as the presence of a viewport and media queries.

What the Usability Tab is missing

  • The most important missing feature on this page is a preview of the page on mobile vs. desktop screens.

The Speed Tab

  • Information on a lot of specifics related to technical aspects that affect speed.
  • Lots of very brief tips on how to implement the tips that are given.

What the Speed Tab is missing

  • Any non technical information to guide you in using the data that is presented.  The tips that are presented are mainly useful if you already know how to develop websites.

Summary

SEO Analyzer by SEO Centro is a pretty bare-bones tool.  Despite the aging look of the interface and the ad-supported nature of the tool, there’s some handy stuff in here, especially in the keywords tab.  However, I would definitely recommend this tool to someone who already has intermediate or advanced knowledge of SEO, not to the typical SEO beginner.

Do you use the SEO Analyzer by SEO Centro? Do you see important things this post overlooks? Do you have a similar tool you’d like to recommend for future reviews?  Feel free to post a comment below. And subscribe to this post to be automatically notified of other reviews soon to come in our SEO Checkers review series.

SEO Analyser is a Free SEO Checker, How Does it Stack Up?

Neil Patel’s Free SEO Check Up Tool is Easy to Use

(TL;DR – If you’d rather watch the video review of this tool, click here)

[Note: Check out the other SEO Checker reviews we’ve posted on our blog or on our YouTube channel]

Neil Patel is one of the most recognizable names in Digital Marketing. He has his very successful online fingers in a number of different projects. If you do a search for “SEO Checkers,” one of his lead generating website typically comes up in the top 3 (which is a testament to his SEO chops).  This tool is called the “SEO Analyzer.” On the home page of the tool website, it boldly claims: “If you’re struggling to get more visitors to your site, the answer might just lie in this FREE report!” Let’s find out if that’s true.

Picture of SEO Check up tool SEO Analyzer home page

Orange is the new black…or something like that. The current home page for SEO Analyzer greets you with an action oriented field of orange and numerous pop-ups.

Let’s see what insight for struggling web marketers the SEO Analyzer might offer!

First of all, one of the nice things about this tool is that it does not demand your email address to allow you to use it. On the down side of that, you do have to put up with serial pop-up messages, and to dismiss them you have to click on links that say something like “No, I don’t want more traffic.”  C’mon guys, really?

For this analysis, I chose a website called ArtisansOfColorado.com, belonging to friends of mine who will admit the site has been somewhat neglected over the years.

Home page screen capture of artisansofcolorado.com, a website for colorado art and artists

In any case, I think it’s a great site to let a tool like the SEO Analyzer prove its worth, since ArtisansOfColorado.com has never been Search Engine Optimized. It’s the perfect guinea pig.

Page Level SEO Analysis – a Basic 19-Point Check

Screen capture of SEO Score for our test website

ArtisansOfColorado is just a tad above being thrown out of school, with a grade of C-

The first order of priority for SEO Analyzer is a variety of factors that contribute to the success of your site from an SEO perspective. In this case the analysis tells me that the site passed 14 checks and failed or under-performed on 5 other checks. Although this is of course a very short list of checks (Google, for example, uses about 200 ranking signals to evaluate a website and how it will perform in search results), nevertheless, Neil has had his team focus on a manageable list. And the list does include some of the most critical and most often missed factors for SEO novices.

  • Site title tags (presence of one, is it duplicated, too short, too long)
  • Meta description tag (presence of tag, too short, too long, duplicated, etc)
  • The Robots.txt faux pas, i.e. blocking of the page
  • The formation of the URLs
  • Presence of elements that might frustrate Google and Bing, such as flash and iframes
  • Presence of heading tags (e.g. H1, H2, etc) and whether any which are found are too short
  • Poor internal linking practices

If you’re just getting started with SEO, this is a good basic analysis that could be useful in finding some of the key gotchas on your site.

Still, it’s just a start, and numerous factors are not really addressed (for example, SEO Analyzer gave a warning about overly short H2 tags, but neglected to point out that this page doesn’t even have an H1 tag, which is a key missed opportunity for on page optimization).

Page Level Speed Score

screen capture of website seo speed analysis

Here’s the speed score for our test site. These numbers won’t mean much without some context. The actual letter grade is, for some reason, buried in the details.

The SEO Analyzer obviously places a lot of emphasis on the speed component of your web page, as illustrated by the fact that the Page Level Speed Score is placed at the very top of the analytical metrics it offers you. This is certainly in line with current thinking, since the speed with which your page loads is an important factor in how well you do, not only in search results, but also in attracting and retaining visitors to your key pages.

If you click on speed recommendations you’ll be taken to a tabbed box offering three choices:

  • Content analysis
  • Full Report
  • Web Performance

As you might tell from the screen captures below, there’s a fair amount of detail here. Unless you’re comfortable with the technical side of web development, it’s best to just shoot these details over to your web developer (if you have one), or find a web developer (if you don’t) to try to make sense of them and implement them.

Speed analysis screen shot

screen capture of speed recommendations

Time to get a geek involved. This is great detail, but beyond the grasp of non-tech people.

Mobile and Desktop Views

SEO Analyzer addresses the issue of mobile usability by showing you how your page lays out on different devices, although it doesn’t really discuss some of the more technical indicators of mobile usability.  Still, for most beginners, the visual representation is probably the easiest and quickest way to grasp whether your web page is presenting your company properly on that growing percentage of users who will visit your site with their phones. The tool also has a helpful line to show you were a typical user would have to scroll to see more of your message.

screen capture of mobile seo views

Click on the various tabs to see your web page in desktop, tablet, and mobile device views. The orange line shows the “fold,” the invisible line below which your content will only be seen by scrolling.

Backlinks and Indexed Pages

screen capture of a backlinks counter on this SEO checker

The backlinks counter on SEO Analyzer needs to offer more clarity about what its reporting.

This is the weakest section of SEO Analyzer.  The backlinks counter on this page, for example, says that it’s reporting on backlinks to “artisansofcolorado.com,” seeming to indicate that it is reporting on links to the domain.  But on the other hand, it says “websites” linking to artisansofcolorado.com, and in SEO parlance this would be referring domains, a much different metric than backlinks.

Additionally, this number doesn’t match up with other respected services.  Majestic.com reports 173 backlinks and 25 referring domains in their “fresh” index.  Moz.com reports 2,666 links.  So it would be interesting, first to clarify where this number is coming from, secondly if it is reporting on links or referring domains, and finally if it is links to any of the pages on the domain. Until these questions are answered, this metric has limited value.

screen capture of number of pages indexed indicator

This number is perplexing, since Google reports almost 7,000 URLs in its index for this domain.

More disappointing is the number of pages indexed figure. This typically refers to the number of pages that Google reports in its “index” for a particular domain. Although SEO Analyzer doesn’t really specify which index its reporting (after all, in theory it could be Bing), if we make the logical assumption that it is referring to pages in Google’s index then this number is simply wrong.

The usual way to query Google about the results in its index for a domain is to do something called a site search, as indicated in the screen capture.  Google reports almost 8,000 results for this domain, a far cry from zero.

 

 

screen capture of google search results

Keyword Usage Analysis

Like many SEO Checkers, the way that SEO Analyzer handles a context analysis of the text of this pages is to present you with a frequency grid (see screen capture, below).

screen capture of keyword usage grid in SEO analyzer

It divides its results into the number of times a particular keyword appears not only in the body text, but also in key SEO elements such as the <title>, meta description, and headings (all variants, presumably).  It also endeavors to do the same grid for 2-word and 3-word phrases.

screen capture of text usage on web page itselfThis is a useful way to immediately see which words dominate your content, however the 2-word and 3-word phrases often miss the mark, combining words in ways that don’t really make sense, such as the phrase pictured at right, which is listed in the keyword grid as “right place artisans.”

One other minor criticism is combining all the heading <h> elements together.  The SEO importance of an <h1>, for example, is far different than an <h3>, as is its recommended optimization.

But Wait, There’s More…

In this blog post I’ve mainly dealt with the Website Analyzer, but SEO Analyzer also includes two other related tools. The competitor analysis pulls the top-level metrics (Estimated traffic, SEO score, and speed score) for up to 3 other web pages and presents the results. Naturally that’s a very broad measure and doesn’t go very far toward doing a true competition analysis, but it’s something.

There is also a keyword suggestion tool that I find a bit confusing. It is branded as an “Ubersuggest” keyword tool, but doesn’t really operate like Ubersuggest.io (which Neil Patel acquired some months ago). It also states further down that it is providing data from SEMRush, who operate one of the most powerful and comprehensive suite of SEO tools used by professional Internet marketers.

In any case, the keyword tool bundled up on the tools.neilpatel.com site doesn’t appear to be tied into the SEO checker, which is the focus of this series of blog posts, so we don’t really need to say more about it. Since it’s free, feel free to experiment and see what suggestions it gives you.

Summing it Up

Pros: This handy tool from Neil Patel is very easy to use, operates quickly, and doesn’t demand personally identifiable information. It hits some of the major areas of a page where a newcomer might overlook easy opportunities for optimization.

Cons: Some of the metrics are unclear and at least one appears to be inaccurate. We also would like to see more readily available information about how to act on the recommendations given. (That having been said, we would like to point out that Neil’s blog is an excellent resource for learning useful tips and techniques for powering up your Digital Marketing overall.)

Do you use the SEO Analyzer? Do you see important things this post overlooks? Do you have a similar tool you’d like to recommend for future reviews?  Feel free to post a comment below. And subscribe to this post to be automatically notified of other reviews soon to come in our SEO Checkers review series.

By The Way, We Also Have a Video Review for this Tool