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Thanks Thomas, yes i guess this may well be the reason.  We had the new URL live for a period of 3-4 months before we made the 301 of the old site so the score of 9 may be from the new site being scored before the actual change is my assumptions... I've checked other software to now like Majestic and Ahrefs and scores in these are similar to pre domain change.

Definitely check out our Keyword Difficulty tool. It uses Bing's API to track keyword volume. When I've done this type of research, I've used a mix of metrics: keyword difficulty, Google trends, Adwords, etc., to figure out estimated volume.

In the search console I have 900 links from different linguee domains and I not sure if I have to take actions. After reading this post and the previous one I'm not sure what to do. Does anyone has any experience to share about linguee links?