THE SURFACE MOST PEOPLE USE
Letterboxd is the best film tool available to the non-professional cinephile. Most people use approximately twenty percent of it: logging films, rating them, following friends, reading reviews. This is genuinely useful and a significant improvement over not doing it. But it's the surface.
THE DIARY AS CRITICAL PRACTICE
The most valuable Letterboxd habit is the diary review - not a star rating, but three to five sentences about what you noticed, felt, or thought after each film. The constraint of the short review forces precision. You cannot use the diary to write 'I liked it' or 'it was slow' and feel you've said something. You have to produce a sentence that says something specific about why it worked or didn't.
The discipline produces three things. First: you pay more attention during the film when you know you're going to write about it afterward, even briefly. Second: you build a personal critical vocabulary over time - you can track how the things you notice change as you watch more. Third: you have a record of your film education that is legible to other people and to your future self.
The format to use: one sentence on what the film is doing formally (craft). One sentence on what it did to you emotionally (response). One sentence on where it sits in the filmmaker's work or in the tradition (context). Three sentences. Done. The format is a framework, not a rule - but for the first six months of the practice, stick to it.
THE LIST-BUILDING PRACTICE
Lists are the second underused feature. Letterboxd lists let you curate your own film education, track thematic obsessions, build director retrospectives, document national cinema traditions - any organisational principle you find useful. The act of building a list is itself an education: it forces you to decide what belongs and what doesn't, which develops critical judgment more directly than any amount of passive watching.
The most useful list types: a director retrospective (every film by one director, watched in order), a national cinema curriculum (the essential films of a specific tradition, sequenced for progression), a thematic collection (all the films that deal with a specific subject or formal approach), a rewatch list (films you've already logged that deserve a second look with the vocabulary you've built since).
Build the Required Watching Korean cinema curriculum as a Letterboxd list. Build the Taiwanese New Wave sequence. Build the Japanese cinema generational arc. Then watch through the lists - the visual record of progress through a self-designed curriculum is motivating in a way that a list on paper isn't.
THE NETWORK FEATURES
The network is where Letterboxd generates its most useful data for serious watchers. Following people whose taste you partially share and partially don't is more useful than following people who like everything you like - the divergence points tell you where your taste is idiosyncratic, which is the most interesting information the platform can provide.
Check what people you follow have logged recently, not just what the algorithm surfaces. The algorithm surfaces popular films. Your network surfaces the specific films that specific people whose judgment you've established are watching right now. That's more useful.
The 'Popular with Friends' feature on any film's page shows you how people you follow have rated it. More useful than the aggregate rating for establishing whether the film is in your territory.
THE ANALYTICS (PREMIUM)
Letterboxd Premium unlocks detailed analytics about your watching: the decades you watch most from, the countries most represented in your diary, the directors you've watched most, the average rating of films you log. This data is useful not for the data itself but for what it reveals about your blind spots.
If your analytics show you watch predominantly American and British cinema, that's the information you need to build a curriculum that corrects for it. If you watch predominantly from the 1970s and 80s, the contemporary thread is the gap to fill. The analytics make the self-directed curriculum possible because they show you where you are in the education.
THE IMPORT AND SYNC FEATURES
If you've been using a different logging system - a spreadsheet, a notebook - Letterboxd Premium supports CSV import. Build your historical log properly rather than starting from zero. The complete record is more useful than the partial one.
The watch providers feature - showing which streaming platform has each film - is useful for planning but should be verified directly, as streaming rights change faster than the Letterboxd data updates. Use it as a starting point for searching, not as a definitive guide to availability.
You cannot use the diary to write 'I liked it' or 'it was slow' and feel you've said something.