Create free online charts with Google Chart API

I came across Google Chart API today which lets you create charts online for free*.

Supported charts include:

1. Line charts
2. Bar charts
3. Pie charts Updated!
4. Venn diagrams
5. Scatter plots
6. Radar charts
7. Maps
8. Google-o-meters
9. QR codes

The sample charts look really cool.

Venn diagram


Pie chart


Radar chart


* If you plan to call Google chart API more than 250,000 times a day, you should let the chart developers know by emailing chart-api-notifications@google.com

KPI by Segment is the Most Underused Metric by Search Marketers

Marketing Sherpa's latest chart of the week is about the metrics that are underused by search marketers. The data was collected by asking Marketing Sherpa members about 'the most underused metrics in search'

“Marketers with short, impulse-buy sales cycles were quite adamant that immediate sales should be tied to keywords when figuring out conversion...With prices rising steadily, marketers who evaluate search against tangible KPIs will be the ones who will optimize and balance their spending.”