Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.
Meta Description is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Content Security Policy is clearly lagging behind, losing to Meta Description in all segments.
Meta Description has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Science & Education, Games and 20 other categories.
Content Security Policy hasn't got a lead over Meta Description in any websites category.
Meta Description is leading in most countries, including United States, Japan, China, Germany and 162 other countries.
Content Security Policy hasn't got a lead over Meta Description in any country.