![]() ![]() ![]() Google Trends results for ‘Coronavirus disease 2019′, retrieved on 12 September 2022 from the Google Trends platform ( ) based on Worldwide web searches. The extraction of Google Trends data can be automated, to some extent, using unofficial application programming interfaces (APIs), such as pytrends (v4.8.0) for Python. Since this is a scaled metric, based on the number of searches in the geographical limitation selected for the searched keyword, comparisons between regions are not possible with Google Trends data. For example, searching the same keyword for different time periods on the same geographical boundary yields different results ( Figure 1). Although this platform gives the user an indication of the dates or times that a specific phrase was searched the most frequently, it lacks the ability for users to compare results from different periods. Google Trends retrieves a relative search volume (RSV), a metric ranging from 0 to 100 and based on the proportional popularity of the keyword in a specific geographic region for the selected period. Specific to Google’s search engine, the unrestricted Google Trends platform (, accessed on 22 September 2022) is open for all to explore how specific demographics searched for certain keywords. Data extracted from (accessed on 4 June 2022) under Creative Commons Attribution-Share Alike 3.0 Unported License. Future research using the GHT API should not attribute increases in GHT data from 1 January 2022 onward as being reflective of increased search activity for a specific keyword, but rather attribute it to the implemented change to the GHT sampling strategy.ġ Market share as of June 2022. In general, the extracted values are higher after the implemented changes, compared to the values extracted before the change. Comparing 177 weekly probabilities for short search sessions of 421 Freebase IDs in thirty geographies extracted from GHT both before and after the implemented change, a low correlation (median of all Spearman ρ = 0.262 ) between these data was observed for the year 2022. Evidence is provided here for an initial exploration of how this change impacted the data obtained from GHT. Recently, Google implemented changes to the GHT platform. Tools such as Google Trends and Google Health Trends (GHT) can be used to gauge search activity in key geographical regions and for specific periods of time. ![]() Accessing such search activity allows infodemiologists a glimpse into the collective online mind. Just select your preference from any API endpoints page.In an ever-increasingly online world, many Internet users seek information from online search engines such as Google. Are there examples of free Google Trends APIs?Īll Google Trends APIs are supported and made available in multiple developer programming languages and SDKs including: Furthermore, the API can return related topics and queries. Keyword information can be relegated to a particular location. What you can expect from Google Trends APIs?Ī quality Google Trends API should provide the user with the popularity of a keyword over a specific amount of time, which will be relative to the given period. When using an API, this time and effort are cut dramatically. Manually researching and copying data from the Google Trends site is a research and time-intensive process. By keeping a finger on the pulse of the user, they can tailor their products and marketing efforts pointedly. This data can be helpful for anyone from reporters searching for related queries to a hot story so they know how to spin their articles to political parties trying to gauge speaking points that will be popular in a given city.īusinesses, SEO professionals, and marketers can likewise use trending data in a multitude of ways. It is a valuable tool for comparing the public’s interest in any given topic over time as well. Google Trends is for anyone that requires a high-level view of what users are searching for, either locally or globally. Common parameter requests for given keywords include: The requested parameters are then sent back to the originating server. The API, usually in JSON, PHP, or DTO format, sends the request to Google servers. The random dataset returned provides a look into a keyword’s popularity relative to total Google searches in that timeframe. The data is anonymous, categorized, and aggregated. ![]() This information can be global or narrowed to a particular location down to the city level. Google Trends is a feature that shows how often any given search is entered into the Google search engine compared to total search volume during a given time, which can be any period from 2004 to ~36 hours ago. Google Trends APIs can streamline the process of extrapolating a large amount of Google’s search trend data. ![]()
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