Problem with strengthening skills

I have the following problem in several courses (at least in German from English and Spanish from German):

I completed the trees. When skills aren't golden anymore, I go to "Strengthen skills" or to a specific skill to strengthen only that particular one. After doing this, I receive XP, but the tree never turns golden again, even if I didn't make any mistakes. The only possibility to get one of these skills to become golden again is to redo the last segment of the skill.

This doesn't happen all the time, but frequently.

This is very frustrating.

I'm using the web version of Duolingo on my computer.

December 28, 2015


I have also some problems with the strength bars. Maybe anybody can help me or explain the matter? Even thow I am doing my daily training (I had chosen 10 minutes) I am loosing strength bars far too quick. It is obviously not possible to keep all of them up - not even with daily training up to 30 or even 60 minutes daily. Why not?

January 6, 2016

I have the same problem Karen69472. It does not matter how hard I try and move on each day I have to strengthen a skill, I continuously work on. Even when I get the skill 100% correct it will not strengthen. Very frustrating!

March 25, 2017

Ich habe diese Probleme nicht mehr. Geholfen hat mir vor allem der Hinweis von "krilrikur" unter ""

Probier das mal ...

March 29, 2017

I'm not sure why, but that happened to me in French. I would have to keep strengthening skills over and over again, but now what happens is that it will make me practice the skill highest up on the tree which isn't golden, excluding bonus skills.

December 28, 2015

it's no guarantee that single strengthening session will regolden the skill. The strength of a skill is computed from strength of particular words included in this skill. When this words are not strong enough after strengthening session, the skill won't be strengthened. Strengthening particular skills has better effect than general strengthen session. Also general session don't have to choose the weakest words - it seems to choose words randomly. Here you have some tips

December 28, 2015

But strengthening a particular skill 2 or 3 times in a row should normally make it golden, right? That doesn't work for me many times. The only thing I can do in such a case is to redo the last chapter of that skill.

December 29, 2015

duolingo comes up, sign on is complete, home page displays but then when I try to strengthen a skill no response...anyone else having this has happened the last 2 days already.

December 29, 2015

It depends on how many times you have tried to strengthen it. If you have only done it once and got most of them wrong, then you should not be able to achieve going into a higher skill bar than before.

December 29, 2015

I've noticed a similar problem lately with the strengthening of particular skills. For example I'd choose to strengthen a skill I haven't practiced in a while, so it has only one gold bar; and even though I'd answer all (or most) the answers correctly on the first try the score would remain 1/5.

December 30, 2015

Normally I use Chrome as a browser. Today I've tried Safari and haven't had the problem yet. fingerscrossed

December 30, 2015

Well, it happened again. :(

December 30, 2015

I doubt the browser is relevant... I mean, I use Firefox and still had issues with this. Perhaps it really depends on the choice of words in the practice, although today I had no problems with strengthening some skills to the maximum even though the words in my opinion were the basic ones. Check out that blog post Mrocznooki linked to, it's useful!

December 31, 2015
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