def title(info):
    """
    concatenate page title from info dict
    """
    version = info['node']['version']
    
    try: # perhaps cut away "-stable-316fc7ec"
        version = version.split("-")[0]
    except:
        pass
    
    T = "(%s) %s %s with %d txs: %.1f TPS"
    T = T % (info['diagrams']['prefix'],
        info['node']['name'], version, 
             info['send']['num_txs'], 
             info['diagrams']['blocktimestampsTpsAv'])  
    return T