Whether you have questions about the effectiveness of SEO, or you need a quick stat to impress the boss (or just your Twitter audience), we’ve got you covered. 

SEO Statistics: Do You Need SEO?

SEO is the number one lead-generating source reported by inbound marketing professionals. (FractlTweet: SEO is the number one lead-generating source reported by inbound marketing professionals. http://ctt.ec/3a21T+ via @propecta

73% of in-house marketers and 76% of US agencies said SEO provided excellent or good return on investment (ROI). (eMarketerTweet: 73+% of marketers said SEO provided excellent or good ROI. via @propecta http://propecta.com/stats

SEO leads have a 14.6% close rate, while outbound leads have a 1.7% close rate. (Search Engine JournalTweet: SEO leads have a 14.6% close rate, while outbound leads have a 1.7% close rate. via @propecta http://propecta.com/stats

Marketers’ most recent #1 priority (66%) for their inbound marketing strategies has been growing SEO/organic presence. (HubSpotTweet: Marketers’ #1 priority for their inbound marketing is growing SEO/organic presence. http://propecta.com/stats via @propecta

About 200 million people worldwide use ad blockers. (PageFairTweet: About 200 million people worldwide use ad blockers. (So far) http://propecta.com/stats via @propecta

57% of B2B marketers say SEO has the biggest impact on lead generation. (MDG Advertising) Tweet: 57% of B2B marketers say SEO has the biggest impact on lead generation. via @propecta http://propecta.com/stats

Organic Search Statistics: Who is Using Search and Why?

68% of organic clicks go to the first 5 organic search results. (AdvancedWebRankingTweet: 68% of organic clicks go to the first 5 organic search results. http://ctt.ec/e3Fs_+ via @propecta

87% of people turn to search engines first when they have a question or a need. (Google)

68% of B2B buyers prefer to research online on their own, up from 53% in 2015. (Forrester)

71% of B2B decision makers start the decision making process with a general web search. (GoogleTweet: 71% of B2B decision makers start the decision making process with a general web search. via @propecta http://propecta.com/stats

93% of all online experiences start with a search engine. (ForresterTweet: 93% of all online experiences start with a search engine. http://propecta.com/stats

Featured snippets produce an average 114% CTR boost for the pages they displayed. (HubSpotTweet: Featured snippets produce an average 114% CTR boost for the pages they displayed. via @propecta http://propecta.com/stats

50% of search queries are four words or longer. (WordStreamTweet: 50% of search queries are four words or longer. http://propecta.com/stats

More featured snippets appear on SERPs every day. One study demonstrated that 55% of featured snippets were new over the previous 12 months. (Stone TempleTweet: In one study 55% of featured snippets were new over the previous 12 months. http://propecta.com/stats

SEO and Content Marketing Statistics

SEO-aligned content marketers drive 54% more revenue growth year-over-year. (Aberdeen GroupTweet: SEO-aligned content marketers drive 54% more revenue growth year-over-year. http://propecta.com/stats via @propecta

73% of major organizations hire someone to manage their content marketing strategy. (Content Marketing InstituteTweet: 73% of major organizations hire someone to manage their content marketing strategy. http://ctt.ec/2JIjs+

61% of the most effective B2B content marketers meet with their content team daily or weekly. (Content Marketing InstituteTweet: 61% of effective B2B content marketers meet with their teams daily or weekly. http://ctt.ec/RXny8+

66% of best-in-class companies involve search in their content creation process from the beginning. (eMarketerTweet: 66% of best-in-class companies involve search in their content creation process from the beginning. http://ctt.ec/5fVK6+

Marketers rate relevant link building (52%) and relevant content creation (46%) as the most difficult SEO tactics to execute. (Ascend2Tweet: Marketers rate relevant link building and relevant content creation as the most difficult SEO tasks. http://ctt.ec/od64e+

89% of B2B marketers currently use content marketing as part of their marketing strategies. (Content Marketing InstituteTweet: 89% of B2B marketers use content marketing as part of their marketing strategies. http://ctt.ec/0Ke38+

96% of B2B organizations say content marketing is a core part of their marketing strategies. (RegalixTweet: 96% of B2B organizations say content marketing is a core part of their marketing strategies. http://ctt.ec/0HdYS+

In 2017, 47% of B2B buyers reported relying more on content marketing to research and make purchasing decisions than they did in 2016. (Demand Gen Report)

Marketers who align their content to an SEO strategy are 4.8x as likely to have a comprehensive, value-driving content marketing program. (Aberdeen GroupTweet: Marketers who align their content to SEO are 4.8x as likely to have value-driving content marketing. http://propecta.com/stats via @propecta

Types of Content

The average word count of top-ranking content (in Google) is between 1,140 and 1,285 words. (SearchmetricsTweet: The average word count of top-ranking content is 1000+ words. http://ctt.ec/JfaTf+ #contentmarketing #seo

88% of buyers use white papers for research. (G3 CommunicationTweet: 88% of buyers use white papers for research. http://ctt.ec/iUu4U+ #contentmarketing

Another study found that B2B buyers prefer case studies (78%), white papers (77%), and webinars (76%) for researching purchasing decisions. (Demand Gen Report)

B2B brands that blog generate 67% more leads/month than those that don’t. (Inside ViewTweet: B2B brands that blog generate 67% more leads/month than those that don't. http://ctt.ec/QkbYy+

Long form content of over 1,000 words consistently receives more shares and links than shorter form content. (MozTweet: Content over 1,000 words receives more shares and links than shorter content. http://ctt.ec/6fYU7+ #contentmarketing #seo

List posts and why posts achieve a higher number of referring domain links than other content formats on average. (MozTweet: List and why posts earn—on average—more links than other content formats. http://ctt.ec/dgV3G+ #links #seo #content

85% of business executives prefer text-based content over video and/or audio when making business decisions. (MarketingSherpaTweet: 85% of executives prefer text-based content over video/audio when making business decisions. http://ctt.ec/z5itE+

Images and Media

Articles with relevant images get 94% more pageviews and engagement than those without. (MDG Advertising)(WishpondTweet: Articles with relevant images get 94% more pageviews. http://ctt.ec/6c4Y3+ #contentmarketing #seo

Visual content gets 567% more inbound links than text-only content. (Bandwagon Digital MediaTweet: Visual content gets 567% MORE INBOUND LINKS than text-only content. http://ctt.ec/_ZkBW+ #seo #links

Content with an image every 75 to 100 words gets twice as many social shares as content with fewer images. (BuzzSumoTweet: Content with an image every 75 to 100 words gets twice as many social shares. http://ctt.ec/obNg6+

79% of Internet traffic will be video content in one year. (MarketingProfsTweet: 79% of Internet traffic will be video content in one year. http://ctt.ec/a8U0E+ #contentmarketing

Mobile SEO Statistics

90% of executives use mobile devices to research business purchases. (GoogleTweet: 90% of executives use mobile devices to research business purchases. http://propecta.com/stats via @propecta

80% of users search the internet on smartphones. (Smart InsightsTweet: 80% of users search the internet on smartphones. http://ctt.ec/99U5s+ #mobilemarketing #seo

More Google searches take place on mobile devices than on computers in 10 countries including the US. (GoogleTweet: More Google searches take place on mobile devices than on computers in the US. http://ctt.ec/d3aKw+

The number of mobile-only Internet users now exceeds desktop-only users in the U.S. (comScoreTweet: The number of mobile-only Internet users exceeds desktop-only users in the U.S. http://ctt.ec/BM1hf+ #mobilemarketing

40% of customers have turned to a competitor’s site after a bad mobile experience. (GoogleTweet: 40% of customers have turned to a competitor’s site after a bad mobile experience. http://ctt.ec/gMeT1+ #mobilemarketing

77% of mobile searches are made where a desktop PC is available. (Google & NielsenTweet: 77% of mobile searches are made where a desktop PC is available. http://ctt.ec/e_maq+ #mobilemarketing #seo

51% of B2B researchers who use their mobile devices for product research do so outside of the office. (Google) Tweet: 51% of B2B researchers who use their mobile devices for product research do so outside of the office. http://ctt.ec/mtTqb+

B2B purchase rates on mobile devices rose 22% from 2013 to 2015. (GoogleTweet: B2B purchase rates on mobile devices rose 22% from 2013 to 2015. http://ctt.ec/u00e5+ #mobilemarketing

From 2016 to 2017, 52% of B2B decision makers reported placing a higher emphasis on mobile-friendly content. (Demand Gen Report)

Half of search queries will be voice-initiated by 2020. (Marketing Land)

For every one second delay in mobile page load times, conversions can drop by 20%. (Google)

Within the Google app, 20% of searches are voice searches. (Google)

SEO Statistics for the Buyer’s Journey/Account-Based Marketing

2/3 to 90% of the buyer’s journey is complete before a buyer contacts a brand. (ForresterTweet: Up to 90% of the buyer's journey is complete before a buyer contacts a brand. http://ctt.ec/73WM8+

Google recently experienced 91% growth, over two years, in B2B researchers using mobile search throughout the entire path (not just the initial stages). (GoogleTweet: 91% more B2B researchers are using mobile search throughout the entire path. http://propecta.com/stats via @propecta

On average, B2B influencers do 12 searches prior to visiting a specific brand’s site. (GoogleTweet: B2B influencers do about 12 searches prior to visiting a specific brand’s site. http://ctt.ec/A9KQY+ #seo

Those involved in the B2B buying process are already 57% of the way down the path to a decision before they’ll actually perform an action on a site. (GoogleTweet: B2B buyers are already through 57% of the journey before they perform an action on a brand site. http://ctt.ec/6osQ6+ #b2bseo

77% of B2B purchasers say they won’t even speak to a salesperson until they’ve done their own research first. (Corporate Executive BoardTweet: 77% of B2B buyers say they won’t speak to a salesperson until they’ve done their own research. http://ctt.ec/S620O+ #b2bseo

90% of B2B researchers who are online use search specifically to research business purchases. (GoogleTweet: 90% of B2B researchers who are online use search specifically to research business purchases. http://ctt.ec/ad6y0+ #b2bseo

67% of the buyer’s journey is now done digitally. (SiriusDecisionsTweet: 67% of the buyer’s journey is now done digitally. http://ctt.ec/27svt+ #digitalmarketing #b2bseo

48% of marketers use dedicated content to support three to five buying stages. (Technology MarketingTweet: 48% of marketers use dedicated content to support three to five buying stages. http://ctt.ec/cB9lg+ #b2bseo #abmcontent