I have a check in the settings at 'include "Category" in Tag/Label' but that does not give any result despite the Category is filled in on the Bol site. I've been filling in the field myself for a long time, but I discovered that Bol does provide that info and that's much easier :-)
In the end of the productspecifications you find : Categorieën Detectives
Log example:
Running identify query with parameters:
{u'timeout': 30, u'title': u'De zusjes', u'identifiers': {u'isbn': u'9789460687396'}, u'authors': [u'Hetty Kleinloog']}
Using plugins: BOL_NL (4, 5, 4)
The log from individual plugins is below
****************************** BOL_NL (4, 5, 4) ******************************
Found 1 results
Downloading from BOL_NL took 1.21800017357
---
Title : De zusjes
Author(s) : Hetty Kleinloog
Publisher : Uitgeverij Marmer B.V.
Rating :
Published : 2021-05-02T00:00:00+00:00
Identifiers : isbn:9789460687396
Comments : <div class="product-description" data-test="description">
<p> BlaBlaBlaBlaBla</p>
<br>(source: Bol.com)<br>
Querying:
https://www.bol.com/nl/s/?originalSe...iginalSection=
BOL_NL url: u'https://www.bol.com/nl/nl/p/de-zusjes/9300000039167487/'
************************************************** ******************************
The identify phase took 1.24 seconds
The longest time (1.218000) was taken by: BOL_NL
Merging results from different sources
We have 1 merged results, merging took: 0.00 seconds