Here is another great image which contain tag length recommendations for Search engines, This information is crucial when you are developing page meta data and title tags if you do not take note of these points you will be left with cut off tags.
These are the recommendations based on the image –
Google Title Tag – 66-69 – characters
Google Meta descriptions – 156-158 characters
Google URL – 75-92 characters
Bing Title Tag – 67-72 characters
Bing Meta descriptions – 176-184 characters
Bing URL – 91-94 characters
Yahoo Title Tag – 64-65 characters
Yahoo Meta descriptions – 164-190 characters
Yahoo URL – 65-80 characters
SEO tag length reccomendations
