Advertising on CollinsDictionary.com
CollinsDictionary.com is built to accommodate high-traffic and to be the one-stop site for users searching for word definitions, free translation and bilingual dictionaries. When you work with us, you benefit from the assets of one of the world’s most respected and marketing-leading language publishers.
To book or discuss online advertising options, please email us now.
Advertising Placements and Rates
Desktop resolutions/Devices
Top of page. Directly under main navigation
- Top of page. Directly under main navigation.
- 970 (W) x 250 (H) or 728 (W) x 90 (H)
- Monthly Guaranteed Impressions: 18,000,000
- Cost Per Month: Email for rate card.
- Left Skyscraper: All Collins Dictionary Definition Pages
Left of page. To left of dictionary definitions
- 300 (W) x 600 (H) or 160 (W) x 600 (H)
- Monthly Guaranteed Impressions: 18,000,000
- Cost Per Month: Email for rate card.
- Right Sidebar Above Fold: All Collins Dictionary Definition Pages
Side bar. To right of dictionary definitions
- 300 (W) x 250 (H)
- Monthly Guaranteed Impressions: 13,000,000
- Cost Per Month: Email for rate card.
- Mobile Top Ad: All Collins Dictionary Definition Pages
Mobile resolutions/devices
Top of page. Directly under main navigation.
- 300 (W) x 250 (H) or 320 (W) x 100 (H)
- Monthly Guaranteed Impressions: 20,000,000
- Cost Per Month: Email for rate card.
Mobile Sticky Bottom Ad: All Collins Dictionary Definition Pages
- Bottom of screen, appearing when scrolling down.
- 320 (W) x 100 (H) or 320 (W) x 50 (H)
- Monthly Guaranteed Impressions: 18,000,000
- Cost Per Month: Email for rate card.
Technical Specifications
All advertising is served and audited through the Google Ad Manager (GAM) platform. GAM is a comprehensive hosted ad serving platform that is the leader in the industry.
The following formats are supported:-
- Image: .png, .jpg or .gif
- Max file size for all ads is 40k.
A linking URL (click thru) must be submitted for each ad creative.
All ads are subject to HarperCollins approval.
Advertising Terms
Your advert(s) will appear on www.collinsdictionary.com for the duration of the time booked. Adverts may be rotated with other advertisers when a page is refreshed or a new page is visited. Adverts will not be rotated whilst on the same page.
Adverts are guaranteed at least 250,000 page impressions for each month purchased. In the event that less that 250,000 page impressions are delivered, an additional month of advertising will be provided at no charge.
Prices for sole advertiser, run-of-site and more specific targeting available on request. To book or discuss online advertising options, please email us.

