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simple as everyone else has stated, there is no relationship. The day a website goes live and can start being indexed, having content added, gaining links etc will start improving the DA, not the day it was purchased. But older website's can also have a lot of bad links pointing to them from previous poor agencies / in-house staff, building bad links so in theory old domains could rank lower by previous black hat techniques to improve rankings.

Google will often choose its own snippet to display in the SERPs, based on the search query the user has typed in. You can have the best meta description in the world, but they may choose to ignore it. Same with title tag.

Thanks for your quick and informative sugestions. yes, satisfy with you, but i used simple image slider i think the site is not too heavy for loading. And other Green lotus trekking is company name so i wanna used only proper title, i mean only search for everest base camp trek for this url http://www.green-lotus-trekking.com/everest-base-camp-trek/ but google doesnt cached proper meta description it catched non meta description can you give me any ideas about this?