5118
5118 is a marketing big data platform that provides webmaster tools such as long-tail keyword mining, SEO ranking monitoring and AI intelligent rewriting. It is used for keyword research and content creation optimization, serving webmasters and content operation personnel.
Updated: 2026-10-26
What is 5118?
5118 is a marketing big data platform for webmasters, SEO practitioners and content operators. Its official website offers three major categories of capabilities: webmaster big data, keyword traffic mining and content creation tools. Webmaster big data includes comprehensive ranking query, ranking monitoring, inclusion query and competitor website analysis; the keyword section supports in-depth mining of keyword mining, network-wide traffic words, related words, drop-down words and word trends, etc.; content creation tools include AI article generation, intelligent rewriting, marketing plan generation, originality detection and violation detection, and it also opens some data capabilities through the API mall.
Who is it for?
- SEO and website administrator practitioners: They need to conduct keyword research, ranking monitoring and competitor analysis.
- Content operation and editing professionals: in need of topic mining, content rewriting and pre-publication self-inspection.
- E-commerce and cross-border sellers: Need to conduct keyword research both on and off the platform.
- Growing independent developers and small teams: They need low-cost keyword and content tools.
Key features
6Keyword Mining
The official claims to offer long-tail keyword mining capabilities and a billion-level long-tail word database, and supports in-depth mining of related words and autocomplete words, as well as querying of network-wide traffic words; mining results can be viewed and filtered by dimensions such as search volume and competitiveness.
Ranking and Site Analysis
Provides webmaster tools such as comprehensive ranking query, ranking monitoring, SEO history, inclusion query, backlink query and competitor website analysis; related tools can be used for daily site health check.
Content Creation & Rewriting
Includes AI article generation, intelligent rewriting, text expansion, title assistant, and writing material search. The official states that one-click word replacement and intelligent rewriting can improve content readability and reduce similarity.
Violation & Originality Detection
Provides pre-publication self-check tools such as originality detection, violation detection, and AI detection.
Platform Keyword Mining
Covers keyword mining across channels such as Douyin, Xiaohongshu, Google, Amazon, Taobao, Tmall, JD.com, and Pinduoduo.
API Mall
The official claims to offer APIs such as long-tail keyword mining, ranking query, and intelligent rewriting, with billing based on the number of calls.
How to use 5118
- When choosing keywords, balance search volume and competition, and prioritize long-tail keywords that are strongly relevant to your business to make it easier to secure rankings.
- AI-paraphrased content requires manual review, and low-quality content generated in batches is prone to search engine penalties.
- When using platform keyword mining for e-commerce title and content optimization, pay attention to the keyword stuffing rules and violation red lines of each platform.
- Originality and violation detection are only auxiliary judgments.
- you must verify the facts and compliance risks by yourself before official release.
- The effectiveness of marketing tools highly depends on the quality of input: the more specific the brand tone, target audience, and historical materials are provided, the higher the availability of the generated results.
- Pure general prompt words often only yield homogeneous solutions.
Traffic & popularity
Data month Sep 2026
5118 receives about 79.9K visits per month and ranks #538,621 worldwide.
Monthly visits
12 monthsTraffic sources
- Direct72.9%
- Search14.9%
- Referrals8.3%
- Social3.2%
- AI assistants0.6%
Top countries
- China91.7%
- United States2.2%
- Singapore1.2%
- Hong Kong, China0.9%
- Taiwan, China0.8%
Estimated from third-party traffic data.
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