Exact(4)
In its filing, Yelp said that Google was its "most significant source of traffic".
However, during the past 18 months, one vertical in particular emerged as the most active and the most significant source of traffic: Massage.
It is becoming a significant source of traffic to those Websites, to the point where it is now bringing about 20percentt as much traffic as Google.
It is now a significant source of traffic for many startups (an entrepreneur recently told me that 15% of his traffic last week came from StumbleUpon).
Similar(55)
Tumblr is still dwarfed by Facebook and Twitter, which each have hundreds of millions of users and can be significant sources of traffic for online publishers.
Exhaust emissions are an important source of traffic-related air pollution.
Of course, overcoming the user loyalty of Netvibes (now a significant source of TechCrunch daily traffic) and the network power of Microsoft and Google will be very difficult.
Roadway density was significantly associated with eNO, whereas LUR estimates of individual traffic-related pollutants were not, suggesting that local roadways may be a significant source of exposure not captured by the LUR, or that roadway density may better represent the complex mixture of traffic-related air pollution, which includes combustion products, asphalt, and rubber.
This greater exposure error is consistent with the fact that traffic, which varies spatially over short distances, is a significant source of outdoor NO2.
In addition, there is heavy road traffic near the capture locality, which is also considered to be a significant source of risk elements that has a potential to be transported by air flow over large distances.
The fees have become a significant source of revenue.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com