Below is a snapshot of TV by the numbers for the week of July 11-17, highlighting the most-watched shows and networks using glass-level data from Vizio’s Inscape, and network and show TV ad impressions insights via iSpot.tv.

Most-Watched Shows and Networks

Via Inscape, Vizio’s TV data product with glass-level insights from a panel of more than 19 million active and opted-in smart TVs. Data is linear, live TV only and includes all episode types (new and reruns). Rankings are by percent share duration (i.e., time spent watching).

The PGA Tour’s Open Championship (British Open) scored the most watch-time on TV for the week of July 11-17. Cameron Smith’s one-stroke victory fueled the event toward 2.21% of minutes watched on the week -- over 2.5x more than the next most-watched program.

Some additional insights about the top programming on TV:

• Syndicated shows account for half of the top 10 in our ranking, led by Law & Order: Special Victims Unit at No. 2, airing on ION, USA Network, NBC and MyNetworkTV.
• NBA Summer League drives watch-time for audiences looking to get a glimpse of the Association’s top young stars, en route to 0.62% of the week’s minutes watched (No. 8 overall).
• Track and field sprints into our ranking at No. 11, thanks to the World Athletics Championships taking place in Eugene, Oregon.
• Oxygen show Snapped pops into our ranking at No. 24, after the true crime program didn’t appear among the top 50 the previous week.

NBC’s coverage of the Open Championship fuels its leap to the top of our list of most-watched networks. Following a No. 3 finish the previous week with 5.41% of watch-time, NBC scored 6.79% from July 11-17.

Additional insights around the most-watched networks from the week:

• IFC rides syndicated comedies and classic movies like A League Of Their Own from No. 9 to No. 6 week-over-week.
• USA Network hops from No. 13 to No. 7 week-over-week, courtesy of the Open Championship, Tour De France and NASCAR Cup Series.
• Family Feud helped push The CW from No. 28 to No. 24 week-over-week.
• Bravo glides from No. 24 to No. 20 week-over-week as audiences flocked to various iterations of the Below Deck franchise.

Top Shows and Networks by TV Ad Impressions

Via iSpot.tv, the always-on TV ad measurement and attribution company. Rankings are by TV ad impressions, for new episodes only. 

The Open Championship’s four days of action gave the PGA Tour a TV ad impressions win for the week. The golf event accounted for 3.88% of impressions from July 11-17 – more than double the share of impressions the Scottish Open earned the previous week.

More data about the top programs by TV ad impressions:

• Good Morning America retains its spot at No. 2 by impressions, but increases its week-over-week share, from 2.39% to 2.49%.
• A three-episode week drives Big Brother up from No. 25 to No. 15 week-over-week in our ranking.
• Speaking of reality TV: The Bachelorette’s season premiere -- with two Bachelorettes -- arrives at No. 25 in our ranking.
• Morning Joe’s share of TV ad impressions climbs from 0.67% to 0.90% week-over-week as the program ranks No. 23 from July 11-17.

Fox News sits at No. 1 in our ad-impressions-by-network ranking for a third straight week, delivering 12.55% of impressions (up slightly from 12.44% the previous week).

Additional insights around the top networks by impressions:

• NBC’s share of impressions leaps from 10.00% to 11.81% week-over-week, as golf delivers for advertisers.
• Peacock hit Below Deck Down Under arrived on Bravo on July 11, spurring new interest from linear TV audiences and a jump from No. 24 to No. 14 week-over-week in our ranking.
• ABC’s share of impressions grows from 10.53% to 11.95% week-over-week between The Bachelorette and a return to a normal weekly schedule following the July Fourth holiday.
• National Geographic’s share of impressions increases by more than 4x week-over-week due in part to the start of the network’s month-long SharkFest event.

Golf Channel’s latest swing at original documentaries recounts pro golf’s most epic tournament collapse as part of NBC Sports’ lead up to its coverage of the 2018 Open Championship.

The documentary, Go Down Swinging: ’99 at Carnoustie will debut July 9 and take a look at the conclusion of the 1999 Open in which Frenchman pro golfer Jean van de Velde relinquished at 3-shot lead on the last hole of the tournament.

The special will feature interviews with Jean van de Velde and his caddie, along with eventual winner Paul Lawrie, according to NBC Sports.

The special is part of NBC Sports’ lead-up to the Open tournament, in which Golf Channel and NBC will provide a total of 180 hours of content profiling and covering The Open, said network officials.

As for the tournament, NBC Sports group will offer nearly 50 hours of live coverage of the championship golf tournament beginning July 19.