FREE LinkedIn Search: Internal vs. X-Ray

While there is a growing number of recruiting professionals and organizations who pay for premium access to LinkedIn, there is still a large number of people who leverage LinkedIn with a free or “Personal” account.

If you’re on the fence about paying for increased access to LinkedIn, you’re reading the right post. I’m going to compare searching LinkedIn from the “inside” with a free “Personal” account using LinkedIn’s new people search interface with searching LinkedIn from the “outside” using Google and the x-ray technique.

If you are not familiar with the x-ray search technique, it will be covered in depth with examples later in this post.

I’ll also offer at least 3 different ways to create and automate LinkedIn searches outside of the LinkedIn search interface.

Free LinkedIn Search – From the “Inside”

There are actually a number of different ways and places to search for people on Linkedin. The more powerful methods involve #1 LinkedIn’s advanced search interface and  #2 “Hand-coding” search strings using LinkedIn’s advanced search operators.

Controlling Candidate Variables

Both of those methods allow you to control critical candidate variables such as current and/or past employer, current and/or past title, industry, and location via zip code radius search. During or after you configure your search, you also have the option to sort results by relevance, relationship, relationship + recommendations, and keyword match/count.

Search Limits

Once you execute your results, you can see the total number of results – but some people are not aware of the fact that with a free account, you are limited to viewing the first 100 results. Even if your search returns 12,947 results, when you try clicking on page 11 of the results, you will see this:

In and Out of Network Results

In the past, when searching inside of LinkedIn, users were limited to seeing ONLY results of people who are within their 1st, 2nd, and 3rd degree connections. Now, even users with a free account can see both a mix of people inside and outside of their personal network.

However, with a free account, results that are outside of your network do not show a name, are titled “private,” and the profiles have limited information. You must have a premium account to be able to view some/all out of network results and see expanded profiles of out of network results.

Boolean Search Capability

Kudos to LinkedIn for supporting most Boolean search operators and functionality. LinkedIn’s search interface supports:

  • Implied AND: While you can type AND, you don’t have to – any space is seen as an AND (like Google)
  • OR: You can craft Boolean search strings with multiple OR statements, enclosed by parentheses
  • NOT: You can use the NOT operator to limit your results and exclude search terms
  • Exact Phrases: You can use quotation marks to denote exact phrases of 2 or more words
You can craft pretty complex Boolean search strings using LinkedIn’s advanced search interface.  For example:

java NOT recruiter (Lead OR led OR senior) NOT (.Net OR C#) (AJAX OR Struts) NOT (manager OR director)

When I tried to find out exactly HOW long of a Boolean search string LinkedIn will accept, I lost patience after cramming 316,638 characters into the search bar. No, I am not joking -try it yourself. I got tired of holding a letter down on my keyboard for several minutes. Then I even started copying and pasting large blocks (entire pages) of text into the search bar. Needless to say, LinkedIn will definitely take more than Google’s puny limit of 32 search terms (sorry Google), and Monster’s respectable limit of 500 characters with spaces.

Sadly, LinkedIn does not appear to support any form of root-word or stem searching. I tried using the asterisk to test this functionality, and I was fooled a couple of time when using terms like admin* or manag*. When I tried: unix linux scrip*, scrip* is definitely not pulling script, scripting, scripts, etc.

Reference Search

With a free account, while you can RUN a reference search, you cannot VIEW the results of a reference search:

Saved Searches

A “Personal” LinkedIn account will get you 3 saved searches.

Although not an automated saved search, you can create and save your LinkedIn searches in Notepad or Word and copy and paste them into LinkedIn’s search bar.

You can even create and save searches that incorporate and control when LinkedIn members have joined LinkedIn. For example – here is a search looking for someone who is currently working at Google, with a current title of engineer, who has joined in the last month:

ccompany:google ctitle:engineer joined:m

Results:

You could save that search string in Notepad or Word and copy and paste it into LinkedIn every month to find people who have recently joined LinkedIn in the past month.

Free LinkedIn Search – From the “Outside”

The way to search LinkedIn from the “outside” is to use an Internet search engine such as Google and employ the site: command to tell Google to search and return results only from the LinkedIn domain. This is often referred to as an “x-ray” search, because the search engine is only focusing it’s search “powers” on pages it has indexed from the site/domain you specify.

For example, enter this into Google:

site:linkedin.com java -“manager” -“director” (~develop | ~design) (Ajax | Struts) Weblogic -recruiter (inurl:pub | inurl:in) -intitle:directory

You can see from the results page that every single result comes from www.linkedin.com

The vast majority of LinkedIn members/users do choose to publish their LinkedIn profile to the web, which then enables search engines like Google to index them and allows you to search for and retrieve them.

Controlling Candidate Variables

When using the site: command to x-ray search LinkedIn, you do not have control over all of the candidate variables that you do when you search from within LinkedIn.

You can control, for the most part, current titles. For example:

site:linkedin.com “current * project manager” (inurl:pub | inurl:in) -intitle:directory

However, I am not aware of any reliable way to control past company experience and avoid current experience at a specific employer. Additionally, there does not appear to be a way to control current or past company experience. Searching for a specific company name will yield results of people who have worked at that target company at some point in their career, but not necessarily only in their current or past experience.

Location

You can search for candidates from a specific metro area. For example:

site:linkedin.com “current * project manager” (inurl:pub | inurl:in) -intitle:directory “greater chicago area”

However, there is no way to refine your search by zip code radius as you can using LinkedIn’s search interface.

ALERT – you should be aware that LinkedIn has begun to offer multiple location phrases for some zip/postal codes, so I strongly recommend you read this post that details what you should do about it.

Industry

You can use Google and the site:command to search LinkedIn and return results of people who have identified themselves as working in a particular industry. For example, let’s pick “Oil & Energy” from LinkedIn’s industry list:

site:linkedin.com “current * project manager” (inurl:pub | inurl:in) -intitle:directory “greater chicago area” “Oil & Energy”

Search Limits

When using the site: command to search LinkedIn, you can review up to 1000 results – 10X the number you can with a LinkedIn “Personal” account. The limit is actually imposed by Google.  Even if you get 142,389 total results, you can’t view any results past 1000 (most of the time you can’t even view the 1000th). Try for yourself.

In and Out of Network Results

A HUGE benefit to x-ray searching LinkedIn through an Internet search engine is that you can retrieve and view ANY public profile, whether it’s in or out of your network.

Read this post for a thorough look at how to take a nameless “out of network” result you find from searching within LinkedIn and find it with the name and full profile using Google.

Boolean Search Capability

When searching LinkedIn via an Internet search engine, you are limited to the Boolean operators of the search engine, not LinkedIn. While most Internet search engines, including Google, cannot match LinkedIn’s Boolean search capability or capacity, you CAN effectively create searches to find pretty much anything you need when performing and x-ray search of LinkeIn.

If you are a die-hard Google search fan, you may be surprised to learn that Bing offers many advantages and search functionality that Google does not, specifically with regard to X-Ray searching LinkedIn.

Reference Search

There does not appear to be any reliable way to perform a LinkedIn reference search for a specific company using an Internet search engine.

Saved Searches

There are a number of ways you can create saved searches of LinkedIn outside of LinkedIn.

Using LinkedIn Advanced Operators to Create Saved Searches

Using LinkedIn’s Advanced Operators, regardless of your level of account, you can “save” an unlimited number of pre-configured search strings in Notepad (or the program of your choice) that you can simply copy and paste and use whenever you like.

For example, if you wanted to stay on top of engineers at Facebook that mention Hadoop in their profiles, you could save this string and use it whenever you like to find new people as they join LinkedIn:

ccompany:facebook country:”united states” engineer hadoop

Using Google Alerts to Create Saved Searches

Using Google, you can create a form of “saved search” of LinkedIn using Google’s Alerts.

With Google Alerts, you can create search strings to x-ray LinkedIn and return results to your email on an “as-it-happens,” once a day, or weekly basis. From the LinkedIn x-ray Google Alerts I have created, you won’t get very many results if your search strings are highly targeted – typically only when a profile has been updated or newly created.

Creating RSS Feeds from LinkedIn X-Ray Searches with Bing

While most sourcers and recruiters are familiar with Google’s email alerts, I don’t think many are familiar with Bing’s ability to convert searches into RSS feeds.

Using the Bing X-Ray search for engineers at Google from above, here is what you will find in the address bar:

http://www.bing.com/search?q=site%3Alinkedin.com+powered+current+near%3A3+%22engineer+at+Google%22+%22san+francisco+bay+area%22&go=&form=QBRE

To which you can add &format=rss at the end, resulting in this:

http://www.bing.com/search?q=site%3Alinkedin.com+powered+current+near%3A3+%22engineer+at+Google%22+%22san+francisco+bay+area%22&go=&form=QBRE&format=rss

When you add &format=rss and hit “Enter,” you’ll see this:

Notice anything interesting about the results?

Of course, if you use Firefox, you could simply click here to accomplish the same thing:

If you use Internet Explorer, after adding &format=rss and hitting “Enter,” you can add the feed to your Favorites or subscribe to the resulting feed:

Conclusion

Using LinkedIn’s search interface has the benefits of showing you who you are connected to, the ability to sort your results in a variety of ways, and the ability to precisely control many critical candidate variables, such as current/past company experience, current/past title, and location down to a 10 mile radius. Additionally, LinkedIn’s search interface supports relatively complex Boolean search strings for highly specific and targeted searching. However, with a free/”personal” account, you are limited to reviewing 100 results, and results out of your network are not viewable.

X-ray searching LinkedIn using Google and the site: command has the benefits of returning ALL public profiles on LinkedIn that match your search, whether they are in your network or not – and you can view up to 1000.

Additionally, using Google to search LinkedIn allows you to search for and control specific industry experience as you can from within LinkedIn. However, when searching LinkedIn with the x-ray technique, you cannot sort your results as you can in LinkedIn, you cannot search by when people have joined LinkedIn, you’re limited to Google’s Boolean search capability and 32 search term limit, and you do not have precise control over current employer or location beyond major metro area (typically a 50 mile radius).

Thankfully when you have a free “Personal” account with LinkedIn, you can take advantage of the best of both worlds – searching LinkedIn from the inside and the outside. If you have a free account and you’re thinking about upgrading to a premium account, be sure to carefully consider whether or not the additional features gained are worth the price considering what you can do for free.

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About Glen Cathey

Glen Cathey is a sourcing and recruiting thought leader with over 16 years of experience working in large staffing agency and global RPO environments (>1,000 recruiters and nearly 100,000 hires annually). Starting out his career as a top producing recruiter, he quickly advanced into senior management roles and now currently serves as the SVP of Strategic Talent Acquisition and Innovation for Kforce, working out of their renowned National Recruiting Center with over 300 recruiters. Often requested to speak on sourcing and recruiting best practices, trends and strategies, Glen has traveled internationally to present at many talent acquisition conferences (5X LinkedIn Talent Connect - U.S. '10, '11, '12, Toronto '12, London '12, 2X Australasian Talent Conference - Sydney & Melbourne '11, '12, 6X SourceCon, 2X TruLondon, 2X HCI) and is regularly requested to present to companies (e.g., PwC, Deloitte, Intel, Booz Allen Hamilton, Citigroup, etc.). This blog is his personal passion and does not represent the views or opinions of anyone other than himself.

  • Kameron Swinton

    Great article as always. Not realated to the search, but one thing I would add to the short list of benefits of paying for a LI account(I have a Business+) is that the response rate on InMails is very high – 90+%. I’ve been very impressed.

    -kameron

  • http://www.talentintegration.net Matt Kerr

    Great work Glen. This is a Six Sigma quality posting. Thanks for conducting the benchmark testing of LinkedIn’s capabilities as it relates to Boolean techniques.

    The sourcing community (especially the newbies) should kiss your ring for you sharing your expertise on BooleanBlackBelt.com

    Regards,
    Matt Kerr

  • Raj S

    Excellent Article !
    I can see the efforts in doing all the research behind it and elaborating it so nicely.

    Great Work.

    Raj S

  • Gurjit Ruprah

    Excellent article – much appreciated! hat’s off for sharing this with us Glen! A job well done!!!

    Gurjit R

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  • Paul Campbell

    Glen, Great research and testing of the whole question!! THANKS FOR ALL YOUR EFFORTS and for sharing your article with all of us.
    Paul C

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  • Ben Peterson

    Great Job!

    Let me know how you do this?……..Amazing……..

    It’s just like Believe it OR not……

    Ben

  • http://www.jobmachine.net Glenn Gutmacher

    While you are correct that variations of root words are not supported as a rule on LinkedIn’s own search, there are some variant forms of words that LinkedIn supports (e.g., Dir also finds Director) but it’s a limited lexicon.

  • Gururajesh

    I have tried as ‘site:linkedin.com (“United Kingdom”) -intitle:directory’, but I am getting result from events also. But I need to search only companies which is at UK or search only for candidates at UK. Can you please suggest how to give the keywords.

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  • Mark Hauler

    Wow, this is outstanding – I’m the farthese thing from a Boolean expert, but I’ve been searching through Linkedin for years and this is one of the coolest tricks I’ve read about.

    One thing, and apologies if this is something very basic, but how does one restrict a search by *country*, ie., all the PMs in Oil and Industry in Denmark, for example. I tried using the -country: without success..

    either way, thanks for publishing this piece – it’s fantastic.

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  • Vijay

    Such a wonderful post.An excellent article.Thanks for sharing

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  • Nikhil.G

    Great job done Glenn,
    Boolean techniques do really help …

    Thanks & regards,
    Nikhil.G

  • karo

    Great! Fantastic! Thanj you veeeery much:)

  • Mike

    Is it possible to do an x-ray on linkedin and search by ‘joined’ date? Thanks

  • http://alexasamuels.com Alexa Samuels

    Glen, love this post – thank you!

    Do you know if it’s possible to search on the customized notes field in LinkedIn? When I connect with someone I usually add a short note (e.g. Met at the XXX conference in June 2010); however, I cannot search on this field in LinkedIn. Looking for a creative solution….

  • http://www.booleanblackbelt.com Boolean Black Belt

    @Gururajesh – you can now X-Ray LinkedIn by specific country code/site – here is the complete list.

    @Alexa – It doesn’t appear that you can search for words in LinkedIn sent mail/messages/invitations – at least not that I have found yet. I will look into it further and see what I can dig up. Take care, and thanks for reading!

  • Lisa Beuning

    I am one of the ‘sourcing newbies’ that Matt Kerr referenced. And I would like to kiss your ring for sharing all of your expertise via this site.

    Lisa Beuning

  • Debbie

    Once you yield results of a google search for linkedin profiles, it seems that when you click on a name in the results, it takes you to a list of ALL the people on linkedin with the name you click on. Then you have to pinpoint the right candidate that fit the original google terms – its a bit painstaking and i was wondering if anyone else experienced this and knows any workarounds????

  • http://ww.toughofthetrack.net Mike S

    Its pretty simple to isolate the people you want from the large list of people with the same name on Linkedin.

    Just use the ‘edit’ ‘find’ capability of your browser to look for the skills ( eg: Java ) you want & you’ll go straight to it or maybe even find more than one person with the right skills.

  • http://www.booleanblackbelt.com Glen Cathey

    Debbie and Mike, I don’t use Google to search LinkedIn anymore – I’ve switched exclusively to Bing. I’d recommend reading this post I wrote for more info.

    The short version is that the results you are talking about (Debbie) are directory results – that’s why you’re getting a ton of people with the same name. Google makes you put in quite a bit of things into an X-ray search to isolate profiles only and not directory results, such as (inurl:pub OR inurl:in) -intitle:directory -inurl:jobs. When you use Bing, to isolate profiles, all you need to do is add the word “powered” to your search, because every public profile has the phrase “Public profile powered by.”

    Check out this search as an example:
    site:linkedin.com powered java oracle unix “greater new york city area”

  • Free People Search Tool

    I suggest also to check http://www.freepeoplesearchtool.com/ where you can find x-ray results from LinkedIn, Xing and Viadeo. It is quite simple to use
    .

  • MAD

    WAW

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