There is no need for half-baked workarounds or expensive >$200 SVG export plugins.
Here's a cheap and cheerful method to export your InDesign pages to SVG and with good control:
[1] export your file as IDML.
[2] get Affinity Publisher (which happens to be 50% off right now: $29).
[3] open the IDML file in Publisher. Then choose File-->Export|SVG
[4] decide whether fonts must be outlined, the required export resolution, and so on. Click MORE for additional SVG export options.
[5] export each page/spread to an SVG file.
Done. View your layouts in any browser and be happy. Publish to your web server, etcetera: regain control over your export. The SVG pages proportionally scale up and down in the browser. Even animated GIF images are maintained as animated bitmaps.
As I said: inexpensive and effective. 😛
As always, export quality depends a bit on how effects are applied in InDesign, of course. Certain effects may have to be rasterized before exporting to IDML for import into Publisher.
SVG export in Affinity Publisher features some good options:

As far as I can tell, the only reason Adobe decided to rip SVG export out of InDesign is to force their users to remain tied to their ecosystem of cloud services. I agree with @Laubender .
Which only results in users driven to other alternatives in the long run.