Bluesky Hashtag Counter & Mention Analyzer
Inspect how hashtags, @mentions, and URLs consume your 300 grapheme budget. Get data-driven suggestions to improve your post's reach and formatting on Bluesky.
π Hashtag Best Practices on Bluesky
Bluesky's discovery algorithm favors 1β3 focused hashtags per post. Each hashtag counts fully toward your 300-grapheme limit. A tag like #buildinpublic costs 13 characters β choose tags with high signal-to-noise ratio.
Hashtag & Mention Analyzer
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Hashtags, mentions, and links will be analyzed here
Hashtag Strategy on Bluesky
How to use hashtags effectively on the AT Protocol network
π― Specificity Over Volume
On Bluesky, fewer, more specific hashtags outperform hashtag spamming. Each tag is stored as a rich-text facet in the AT Protocol record, and Bluesky's search indexes them semantically. Using #bluesky + #atprotocol is more effective than 10 generic tags.
π Discoverability via Feeds
Bluesky's custom feeds (powered by feed generators) frequently filter by hashtag facets. A post tagged #photography will appear in community-built photography feeds automatically β making on-topic hashtags a powerful discovery mechanism beyond the main timeline.
@ Full-Domain Mentions
Bluesky mentions require the full handle domain to resolve as a facet: @user.bsky.social not @user. Partial mentions appear as plain text without a link. The AT Protocol resolves the handle to a DID (Decentralized Identifier) at post creation time.
π URL Character Cost
Unlike Twitter/X which wraps all links to 23 characters, Bluesky counts the full URL text. A URL like https://some-very-long-domain.com/with/a/path may cost 50+ of your 300 graphemes. Use this tool to see exactly how many characters each URL consumes.
Frequently Asked Questions
Do hashtags on Bluesky need a space before them?
Yes β the AT Protocol's rich-text parser detects hashtags that begin at a word boundary. A hashtag immediately following another character (like word#tag) may not resolve correctly. Always place a space or newline before a hashtag.
Are Bluesky hashtags case-sensitive?
Bluesky's search is case-insensitive for hashtag matching β #Bluesky and #bluesky return the same posts. However, the tag is stored and displayed as-written, so capitalization for readability is fine.
Can I use numbers in Bluesky hashtags?
Yes β Bluesky hashtags support alphanumeric characters and underscores (#web3, #2024, #build_in_public are all valid). Tags cannot be only numbers β there must be at least one letter to qualify as a discoverable tag.