[metrics-bugs] #28304 [Metrics/Relay Search]: Please deliver png when svg is filtered

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#28304: Please deliver png when svg is filtered
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     Reporter:  traumschule           |      Owner:  metrics-team
         Type:  enhancement           |     Status:  new
     Priority:  Medium                |  Milestone:
    Component:  Metrics/Relay Search  |    Version:
     Severity:  Normal                |   Keywords:
Actual Points:                        |  Parent ID:
       Points:                        |   Reviewer:
      Sponsor:                        |
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 Hi metrics team!

 With #19654 the relay search shows
 > Graphs cannot be shown as your browser does not support Scalable Vector
 Graphics (SVG). This is the case when Tor Browser is in High Security
 mode.
 This is very useful. However i'd like to download a png of the graph, or
 just csv/xml/json in that case.

 On a sidenote the graph shows "No data available" while data is loading
 which can be confusing, ie. it's not clear with a slow connection if the
 graph will show up later or not - would "data is loading .." make sense?
 Hesitating to open another ticket about this because it looks like #25264.
 Thought it could help to show captions (or similar) to indicate what kind
 of data isn't available.

 Let me know if you prefer a separate issue for the latter. Thanks for your
 work!

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28304>
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