[OSM-talk] #AttributionIsNotOptional experiment on OSM France tile servers

[Yves]

This looks at first as a nuisance that could be perceived as a bad move, but the feedback you're receiving rather prove the contrary.
Well done!
Ps: would you share your nginx partial redirect, I may consider it for Opensnowmap tiles policy? 

Le 8 mars 2020 10:14:58 GMT+01:00, Christian Quest <cquest at openstreetmap.fr> a écrit :
>Here is a hort report on this experiment...
>
>I started a week ago by searching OSM France tile server logs for 
>referer and checked manually if the map on the refering page was 
>correctly attributed.
>
>This allowed me to create a short list of 20 entries of sites using the
>
>french styled tiles and the humanitarian tiles (yes, it is made by OSM 
>France).
>
>
>I then modified our nginx based proxy_cache configuration, to redirect 
>some tiles to an "attribution tile" only for the domain in the list.
>
>For two of them, I tweeted about it... the most visible one is the 
>moroco yellow page service, generating a little less than a million 
>daily tile requests on our servers.
>
>https://twitter.com/cq94/status/1234516075695525888
>
>In less than 24 hours, the attribution appeared and I removed them from
>
>the list.
>
>https://twitter.com/cq94/status/1234779931537739776
>
>
>Then I included an email address in the attribution reminder tile...
>and 
>got emails back within a few hours.
>
>Some were asking how to do the attribution, others telling me the 
>attribution was now ok and asking how to remove the reminder tiles.
>
>In my answers, I also remind that our tile service made by volunteers
>on 
>donated hardware is not unlimited and inviting them to have a look at 
>switch2osm to setup their own tile server or use a commercial provider.
>
>Up to now, nobody complained :)
>
>
>Yesterday, I've started automating attribution checking using selenium.
>
>For each referer, a python script loads the page, searches for tiles, 
>then looks for attribution text or link. The result is stored in a 
>postgresql database which allows to group referers by url, hostname and
>ip.
>
>The attribution percentage I currently see is around 70-80% which is
>not 
>that bad.
>
>My next major step is to use the same technique to remind about tile 
>usage policy...
>
>
>To do something similar on osm.org, a first step is to extract referers
>
>from the cache logs, then use the automated attribution check to 
>evaluate the situation.
>
>
>Le 08/03/2020 à 01:52, Nuno Caldeira a écrit :
>> That would be a good option for those that use third party providers 
>> of OSM. But to be honest, from my experience I highly doubt that even
>
>> corporate members of OSMF, like Mapbox would do it, when their client
>
>> Facebook (also corporate member of OSMF) after one year and half, 
>> still has maps with lack of attribution or attributed to HERE, when 
>> it's clearly OSM.
>>
>> On Sun, 8 Mar 2020, 00:46 Phil Wyatt, <phil at wyatt-family.com 
>> <mailto:phil at wyatt-family.com>> wrote:
>>
>>     I am sure others may have seen this 'blacklist' implementation
>for
>>     showing a reminder about attribution.
>>
>>     https://twitter.com/cq94/status/1234528717604577282
>>
>>     Worthy of consideration for openstreetmap.org
>>     <http://openstreetmap.org>?
>>
>>     Cheers - Phil
>>
>-- 
>Christian Quest - OpenStreetMap France
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