What is Linespider?
Linespider is a web crawler operated by LINE Corporation that provides search results for LINE services while complying with the Robots Exclusion Protocol. You can set up Agent Analytics to see when Linespider visits your website.
Overview
| Operated By | LINE |
| Source | Official Website |
| Expected To Follow Robots.txt | Yes |
| Insights Last Updated | September 14, 2026 |
Do you operate this agent? Contact us to suggest an update.
Category
Expected Behavior
Linespider follows an algorithmic schedule shaped by your site's popularity, update cadence, and domain authority. It generally spreads requests across recurring crawl passes, throttles itself to limit server load, and respects crawl rules more reliably than most other bots.
Linespider's User Agent
| User Agent | Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Linespider/1.1; +https://lin.ee/4dwXkTH) Chrome/W.X.Y.Z Safari/537.36 |
How To Block Linespider With Robots.txt
Add this rule to your robots.txt file to block Linespider from accessing your website, or use Automatic Robots.txt to block all search engine crawlers at once. You can customize which pages are blocked by swapping out / for a different path.
User-agent: Linespider # https://knownagents.com/agents/linespider
Disallow: /Insights for Linespider
As of September 14, 2026, this data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the top 1000 websites and their robots.txt files.
Robots.txt Blocked Percentage
Country of Origin
Robots.txt Blocking Trend
6% of top websites block Linespider in their robots.txts.
Overall Search Engine Crawler Traffic
14.8% of all web traffic came from search engine crawlers.
Frequently Asked Questions
Should I Block Linespider?
No, unless you want to remove your pages from that search engine. Linespider supplies its index, so blocking it can eliminate your visibility and organic traffic there. Nearly every website should allow this category. For context, 6% of the top websites we track currently have robots.txt rules for Linespider.
Does Linespider Follow Robots.txt Rules?
Yes. Linespider is expected to follow robots.txt rules, so a disallow rule is the appropriate first step. Automatic Robots.txt can add and maintain that rule, while Agent Analytics lets you verify whether Linespider respects it.
Does Linespider Access Private Content?
No special access. Linespider can reach only content available to anonymous visitors and does not sign in. Make sure sensitive content is not public by mistake.
How Can I Tell if Linespider Is Visiting My Website?
Agent Analytics tracks Linespider visits in real time. You can also check your server logs for requests whose user-agent string contains "Linespider". Look for recurring passes that revisit changed pages and discover new ones. Because Linespider does not publish a verification method, any client can claim its identity and a log match is only a clue.
Why Is Linespider Visiting My Website?
Linespider is adding new or changed pages to its search index. It may have discovered your site through links, a sitemap, or direct submission.