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Super Library Marketing: Practical Tips and Ideas for Library Promotion

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Social Media

The Complete List of the Most Ideal Length for Each of Your Library Promotional Tactics

Photo courtesy Cincinnati and Hamilton County Public Library

For many of us, a hamburger is a delicious sandwich, no matter where you get it. No one can mess them up.

But there are things you can do to make your hamburger exceptional. For me, that means the addition of bacon, cheese, and avocado. I’ll still eat and thoroughly enjoy the hamburger if those ingredients aren’t available. But they make the hamburger go from good, to memorable.

Hamburgers are like marketing. Much of the work you do to promote your library is already good (because I know you’re doing good work!) Now, you’re on the path to maximizing the effectiveness of your marketing.

One of the ways you can ensure success is to make certain your marketing content is the perfect length. It may seem insignificant. But the right number of characters or words for a piece of content can make all the difference.

How do you know how long your tactics should be? I did the research, so you donโ€™t have to.

Ideal length of a Facebook post: 100-259 characters

Research from experts on this one is mixed. Some studies suggest you keep captions at 50 characters or less.

But in my work with libraries, I try to pay attention to engagement rates and post length. And I personally think 50 characters is too short. So, I would suggest you try to write between 100 and 259 characters.

Ideal length of a Tweet: 240-259 characters

Most experts agree that using slightly less than 280 character limit on Twitter is ideal. That gives people the room to quote Tweet your library.

But you can do two other things to improve your library’s Twitter engagement.

  • Include rich media in your post, like photos, graphics, and video. In fact, multiple photos or a mix of photos and a video will help your Tweet get more engagement.
  • Use emojis at the beginning of your Tweet to capture attention and stop people from scrolling past your messages.

Ideal length of an Instagram post: 138-150 characters

Fun posts should have shorter captions. Information or educational posts should have longer captions.

There are other caption tricks that help with Instagram post engagement.

  • Add spaces between your sentences, so they look like paragraphs. Here’s an example from Amherst Town Library.
  • Weave in plenty of emojis. You can even substitute emojis for words to add character to your post.
  • Include multiple kinds of rich media, like photos and videos all in the same post, to increase the value. ย ย 

Ideal length of a TikTok video or Instagram Reel:  between 7 and 34 seconds

There is not a lot of data or research surrounding TikTok videos or Instagram Reels. It does appear that, even though the platforms allow you to create videos that are several minutes long, shorter videos lead to maximum engagement.

Ideal length of a LinkedIn post: Less than 210 characters

There is lots of dispute around this recommendation. Iโ€™ve picked the median number. And to help with engagement, I have a formula thatโ€™s worked well for me.

Construct a good, first teaser sentence, and then put a space between it and the rest of your post caption. This will cause your reader to have to click on โ€œsee more.โ€ It works!

Good content on LinkedIn is also important. Videos natively uploaded to the platform get lots of engagement. Also, try polls to increase engagement.

Ideal length of an email: 100 words

Different types of emails should have different lengths. If youโ€™re sending someone an onboarding email, youโ€™re going to need to write more than if youโ€™re sending an email promoting an upcoming event.

There are some scenarios where a couple of sentences is plenty to capture your cardholderโ€™s attention and others where youโ€™ll need several paragraphs to get your full point across.

In general, keep your email text as simple as possible. Be straightforward about the benefit of your library service or collection item or event. And drive recipients to your website for more information.

Ideal length of an email newsletter: 3-4 pieces of information

In my experience advising libraries, email newsletter recipients never click anything past the first 3-4 pieces of content in an email. I always recommend sending shorter, more frequent email newsletters rather than one long monthly version.

If you donโ€™t have control over how long your email newsletter is, you can help engagement by placing the 3-4 most important things at the beginning of the email. If your email provider has a table of contents feature, use that to drive interest to content further down in the email.  

Ideal length of an email subject line: either very short (30 characters) or very long (90 characters or more)

It appears that the extreme ends of length catch the attention of the inbox scroller.

Longer subject lines boost response rates, according to Adestra, a U.K.-based email service provider. Its analysis of more than one billion emails showed that subject lines of 90 characters and more produced the highest response rates. They theorize the added characters increase engagement because they can communicate more value to the recipient.

But their research also found that subject lines at 30 characters or less performed well. That’s because the full subject line can usually be seen by the recipient, both in desktop and mobile versions of mail provider apps.

Experiment with both ends of the length spectrum to see which your audience responds to. And keep in mind the other factors that can impact subject line effectiveness.

Ideal length of a YouTube video: Between 7 and 15 minutes

This stat comes from several sources, including Social Media Examiner.

It’s important to let your content dictate video length. A how-to video may need five minutes or more to show the process. An unboxing video can be shorter. If your video is interesting to watch, the length won’t really matter. 

Ideal length of a podcast: 22 minutes

Your target audience will really dictate the perfect length for your library. Most research I found recommended 20 minutes for podcasts aimed at listeners who are doing chores or taking short walks, 40 minutes for people commuting or doing longer chores, or 60 minutes for those who want an extended listen.

Ideal blog post length:  2,000 words

Thatโ€™s a lot of words! For context, the Monday articles here on Super Library Marketing run between 1,000 and 1,500 words each.

So, before you get anxious about word length, remember that quality blog posts will always do well, no matter how long.  If your post contains valuable or interesting information that your reader wants and needs, it will do well.

If your blog is less than 2,000 words, there are some things you can do to make it feel meaty to the reader. You may have noticed these tricks in my blog posts.

  • Present information using bullet points or lists.
  • Write longer paragraphs at beginning of the article.
  • Insert scannable headlines.
  • Include images, especially those that explain concepts or demonstrate your point.

Finally, itโ€™s important to include keywords in your title and frequently within your post. You may notice I use the terms library marketing and library promotion in almost every title and throughout my articles. Thatโ€™s because I know those are used by library staff searching for help with their marketing.

The most important thing to remember

Pay attention to your metrics. Your audience will tell you about the perfect length for any one of your tactics.


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๐Ÿ’ฅ4 Big Changes for Twitter and Instagram That Will Have a Major Impact on Your Library Marketing!

Watch the Video Now

The Library Marketingโ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹ Show, Episode 152: In this episode, I’ll share two major changes coming to Twitter AND two major changes coming to Instagram. These four headlines will have an impact on the way you promote your library.

Kudos in this episode go to the Douglas County Library. Watch the video to see why they’re being recognized.

Do you have a suggestion for a topic for a future episode? Want to nominate someone for kudos? Let me know in the comments. And subscribe to this series to get a new weekly video tip for libraries.

Thanks for watching!


Subscribe to this blog and youโ€™ll receive an email every time I post. To do that, enter your email address and click on the โ€œFollowโ€ button in the lower left-hand corner of the page.

There’s a NEW Social Media Platform for Senior Citizens… and It’s a Big Opportunity for Libraries!

Watch the Episode Now

The Library Marketingโ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹ Show, Episode 151: In this episode, I’ll introduce you to a new social media platform launched by the AARP called Senior Planet Community.

This is an excellent promotional opportunity for libraries. I’ll share what I’ve learned about this new site.

Kudos in this episode go to the Racine Public Library. Find out why they’re being recognized.

Do you have a suggestion for a topic for a future episode? Want to nominate someone for kudos? Let me know in the comments. And subscribe to this series to get a new weekly video tip for libraries.

Thanks for watching!


Subscribe to this blog and youโ€™ll receive an email every time I post. To do that, enter your email address and click on the โ€œFollowโ€ button in the lower left-hand corner of the page.

BIG Changes Are Coming to Facebook Plus Instagram & YouTube Updates: Here Are Your Social Media Headlines for Libraries, July 2022

Watch The Library Marketingโ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹ Show, Episode 148

In this episode, we have the top three social media headlines. There are huge changes coming to the Facebook algorithm (again!) plus a new feature on Instagram and why you might want to rethink your library’s YouTube strategy. What does this all mean for libraries? We’ll dive in.

Kudos in this episode go to the Lexington Public Library. Watch the video to find out why they’re being recognized.

Do you have a suggestion for a topic for a future episode? Want to nominate someone for kudos? Let me know in the comments. And subscribe to this series to get a new video tip for libraries each week.

Thanks for watching!


Subscribe to this blog and youโ€™ll receive an email every time I post. To do that, enter your email address and click on the โ€œFollowโ€ button in the lower left-hand corner of the page.

An Academic Library Increased Their Instagram Reach by 1149% in a Year! Learn Their Secrets for Success

Photo courtesy Cincinnati and Hamilton County Public Library

Readers: Please take this one-question survey!

Here’s the understatement of the century: every library is battling for success on social media.

But one librarian is seeing it, and this week, he’s sharing his secrets with us!

Ned Potter works for the University of York Library & Archives in the United Kingdom. Recently, his organization was asked to share an internal guidance document with another organization. In the document, the library outlines its approach to @UoYLibrary on Instagram.

Ned says, “At that point, we thought why not share them more widely for anyone else who is interested? So here they are.”

He posted the internal document here: University of York Libraryโ€™s Instagram Guidelines. And he wrote a blog post about the impact those decisions have had on their Instagram account. (You should subscribe, BTW!)

He’s seeing great success with this approach. Says Ned, “Using these guidelines weโ€™ve increased our Instagram reach by 1149% in 12 months. This stuff really works!” Ned kindly granted permission to reblog his post here.


The caveat

This is an internal doc. Itโ€™s literally just the guidance I wrote for the York staff who help me do the Instagram. So that means itโ€™s not a definitive all-encompassing guide! There are probably things weโ€™ve talked about internally that everyone knows, so itโ€™s not codified here.

Also, weโ€™re an academic library so it may be skewed towards that sector. Generally speaking though, I think pretty much everything here is applicable to any non-profits using Instagram.

Another small caveat is, that Iโ€™m not trying to present Yorkโ€™s Insta as the finished article, the account to which everyone should aspire. Weโ€™re still learning, still improving, and still trying to increase our reach. We donโ€™t nail everything, we still post things people donโ€™t respond to. Weโ€™re a work in progress, and this post is really about how to make that progress happen.

The context

Our Instagram was created in 2016 by a Comms Team rather than by us in the library. We finally got control of it ourselves in mid-2017. From that point on it went okay, gradually building up followers and levels of engagement but not setting the world on fire.

From the time the pandemic started, I spent much more time actively involved in social media rather than just writing the guidelines, and our Instagram use increased accordingly. We posted a lot more to the Grid, essentially tried harder, and, frankly, started to do more of the things I was always telling other libraries to do in social media workshops. It worked well, but it was still very much in the shade of our Twitter account, and not quite hitting the heights we wanted.

Exactly a year ago, I decided that we needed to invest more time in Instagram and make it work better.

Instagram is absolutely essential for reaching undergrads

It is THE communication channel on which to get messages to undergraduates, nothing else comes close. Our Twitter was doing really well and was where we put the most time, and all that time paid off with lots of growth and engagement. But I did some follower analysis and, at least among those who engaged by replying and quote-tweeting us, it was clear that our audience there primarily consisted of PostGrads, Researchers, and Academics. So our key social media messages were not getting through to UGs. Insta is the answer to that problem.

In 2021 I co-presented at an event with Liverpool Uni Library, whose social media really is something of a gold standard in academic libraries. Before the event we chatted on zoom – they had grown their Instagram massively in recent times, which made me think perhaps we could do the same. So I asked my colleague Rebecca Connolly to go on a little fact-finding mission and check out Liverpool, Glasgow and other university libraries with good Instagram engagement went about their business and what we could learn. Rebecca produced a brilliant report and we set to work on transforming our Insta into something much more effective for getting key messages out to undergrads in particular – a process that is still ongoing.

How we changed our Instagram

Some things we tweaked right away, like following more York-based accounts and using Stories a lot more. Using Stories is key and I really feel like it was something I didnโ€™t understand well enough before Rebecca became involved with the account at York. She is an essential part of the progress weโ€™ve made. Stories are so good for newsy items, and the more success you have with Stories the better things seem to go on the Grid too.

Other things evolved over time, like avoiding the use of words and graphics on the grid (only using them on Stories), and making sure to pair big announcements in the captions (NOT the picture) with visually arresting pictures of the library.

If youโ€™ve not read the guidance doc linked at the top of this post, have a look – we basically did all the things in that document! In addition to all that, weโ€™ve created and posted a lot more Reels (you can see all our Reels videos here), and also tried some fancy split photography, that involves dividing a wide-angle shot up into even squares so it can be seamlessly swiped through. Hereโ€™s an example that I posted that I really likeโ€ฆ

The results: Increased Instagram engagement

With any kind of social media, Iโ€™m always looking for engagement rather than follower numbers. I want more followers of course – a larger audience of students and staff for our key messages. But they come naturally as a by-product of posting stuff that gets engagement. So for Instagram, Iโ€™m looking at Likes, Comments, Shares, and Reach, and hoping that if we increase those our followers will increase at the same time.

As it happens, our followers have increased by about a thousand people in the last twelve months. Thatโ€™s great. More excitingly for me, is that the number of Likes has gone up 42 percent, despite us posting slightly less frequently overall. So the likes Per post has actually gone up 69 percent – meaning weโ€™re posting stuff the students actually respond to, more of the time. Over 2 years, our total number of Likes has increased by over 350 percent.

Shares are way up, and Comments also increased which is great because we want that interaction and chance to answer questions – up by more than 600 percent over the two years.

What isnโ€™t captured by the analytics is the amount of DMs weโ€™ve had – either just messages out of the blue or responses to questions in our Stories. I canโ€™t get figures on this without manually counting but the increase is huge. People love feedback one-to-one on Instagram.

The reach is the thing that most amazed me though – an increase of over 1000 percent in the 12 months is just fantastic. And the reason is that if people donโ€™t Like your posts, Instagram doesnโ€™t share them widely. So now that weโ€™re posting content that gets engagement, a much higher proportion of our followers are seeing our posts. This means our key messages are reaching more undergraduates, and that was the whole aim of this focused attempt to increase engagement.

Like with all social media, the key thing is to learn what your particular community responds best to, and do more of it.

Ned Potter

Finally, do check out Liverpool, they’re so good

So thatโ€™s it! There was a lot to get through in this post; if youโ€™ve made it this far, I salute you. I hope people find these guidelines useful, and if you have any questions leave me a comment below.

Iโ€™ll leave you with a recommendation to look at Uni of Liverpool Libraryโ€™s Instagram account – however good our numbers are I know theirs will be astronomically better! Theyโ€™re really good at this stuff, and youโ€™ll find them @livunilibrary.


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Subscribe to this blog and youโ€™ll receive an email every time I post. To do that, enter your email address and click on the โ€œFollowโ€ button in the lower left-hand corner of the page.

Promoting Library Programs on Social Media: How Far in Advance Should You Start Posting?

Watch the Video Now

The Library Marketingโ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹ Show, Episode 146: In this episode, weโ€™ll answer a question from a viewer.

They want to know how far in advance to start promoting their library programs on social media. I’ll share some tips to help you find the “sweet spot” for your library audience.

Kudos in this episode go to the Ann Arbor Public Library. Watch the video to see why they’re being recognized.

Do you have a suggestion for a topic for a future episode? Want to nominate someone for kudos? Let me know in the comments. And subscribe to this series to get a new video tip for libraries each week.

Thanks for watching!


Subscribe to this blog and youโ€™ll receive an email every time I post. To do that, enter your email address and click on the โ€œFollowโ€ button in the lower left-hand corner of the page.

Three Big Pieces of News About Instagram That Could Have Huge Implications for Library Marketing

Watch the Video Now

The Library Marketingโ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹ Show, Episode 144: In this episode, we’ve got our monthly social media headlines, and this month, we’re going to focus exclusively on Instagram. The platform is testing some new features and they could have significant implications for library marketing on the app.

Kudos in this episode go to the Coos Bay Library. Watch the video to find out why they’ve been recognized.

Do you have a suggestion for a topic for a future episode? Want to nominate someone for kudos? Let me know in the comments. And subscribe to this series to get a new video tip for libraries each week.

Thanks for watching!


Subscribe to this blog and youโ€™ll receive an email every time I post. To do that, enter your email address and click on the โ€œFollowโ€ button in the lower left-hand corner of the page.

Is It Ever Okay to Hide Negative Comments on My Library’s Social Media Pages? How to Handle Trolls!

Watch Now

The Library Marketingโ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹ Show, Episode 142: In this episode, we’ll answer a viewer’s question.

Jennifer says her library has some followers that regularly comment on their posts, but never say anything positive. She wants to know how to handle those repeated negative commenters.

Kudos in this episode go to the Fremont Area District Library. Watch to see why they are being recognized.

Do you have a suggestion for a topic for a future episode? Want to nominate someone for kudos? Let me know in the comments. And subscribe to this series to get a new video tip for libraries each week.

Thanks for watching!


Subscribe to this blog and youโ€™ll receive an email every time I post. To do that, enter your email address and click on the โ€œFollowโ€ button in the lower left-hand corner of the page.

Twitter is Sold! What Does This Mean For Your Library’s Social Media Marketing? [VIDEO]

Watch Now

The Library Marketingโ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹โ€‹ Show, Episode 141

In this episode, we’ll talk about the news that Elon Musk purchased Twitter. What does this mean for your library’s social media strategy? I’ll share three things that might happen under Musk’s ownership of the platform. Plus, I’ll show you the one thing you can do right now to make sure your communication path with your community is clear no matter what happens to Twitter.

Kudos in this episode go to the LA Public Library. Watch the video to see why they’re being recognized.

Do you have a suggestion for a topic for a future episode? Want to nominate someone for kudos? Let me know in the comments. And subscribe to this series to get a new video tip for libraries each week.

Thanks for watching!


Subscribe to this blog and youโ€™ll receive an email every time I post. To do that, enter your email address and click on the โ€œFollowโ€ button in the lower left-hand corner of the page.

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