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Keyword Density API
The words and phrases (1-3 word n-grams) a page repeats most, with counts and density as a percentage of all words. Stopwords are excluded.
GEThttps://api.gridlode.com/v1/url/keyword-density
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Parameters
| Name | Type | Description |
|---|---|---|
urlrequired | string | Public http(s) URL to analyse. |
top | integer | How many terms to return per n-gram size. Default: 20 |
ngrams | array of integer | N-gram sizes (1, 2 and/or 3). |
respect_robots | boolean | Refuse URLs disallowed by the site's robots.txt. Default: true |
max_age | integer | Accept a cached answer up to this many seconds old, billed at 50%. Default 0 (always fresh). |
Response fields
total_words / unique_words· Word counts after tokenization.keywords· Object keyed by n-gram size ("1", "2", "3"), each a list of { term, count, density } sorted by count.
Code
curl "https://api.gridlode.com/v1/url/keyword-density?url=https%3A%2F%2Fexample.com%2F&top=5" \
-H "Authorization: Bearer $GRIDLODE_KEY"1 credit per request
One credit is $0.001 on the smallest pack, from $0.0003 on enterprise plans.
Half price for cached data
Cached for up to 1 h. Pass max_age to use it.
Failed requests are free
Blocks, timeouts and target errors never cost credits.
Market reference: TabAPI Keyword Density: 1 credit ($1.00/1k).
Questions
How is density calculated?
Occurrences × words in the phrase ÷ total words × 100. Stopwords at the start or end of a phrase are skipped.
How much does the Keyword Density API cost?
1 credit per request. One credit costs $0.001 on the smallest pack and as little as $0.0003 on enterprise plans. Cached answers cost half and failed calls are free.
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