In initial trade, London's benchmark FTSE 100 index gained 0.24 percent to 6,207.05 points.
In the eurozone, Frankfurt's DAX 30 edged up 0.20 percent to 9,687.70 and the CAC 40 in Paris crept 0.12 percent higher to 4,663.98 points.
European markets rebounded Thursday on comments from Federal Reserve officials throwing doubt on prospects of a US interest rate rise in September -- news that allowed traders to put on hold fears about flagging Chinese growth that had battered markets all week.
Asian stocks extended their rally Friday on the back of the strong US growth figures, fuelling in turn higher early trading in Europe.
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But analysts note that despite what appears to be a positive end to a nightmarish week, recent Chinese-inspired market turmoil is probably not over.
"There still does not seem to be the macro foundations for indices to fully recover from their corrections, as concerns over China and uncertainty over Fed rate hikes continue to linger," said Angus Nicholson, market analyst for IG Markets.