The following data comprises various types of sites and pages. Based on the data and variability I’ve seen, the effects of any site will have a lot to do with the ratio of competitors for those keywords and how many of them are mobile friendly. For more competitive keywords, I would expect there to be a lot less movement, especially on page 1. For less competitive keywords, I would expect there to be significantly more movement, particularly past page 1.
A couple things to note:
- As more sites and pages become mobile friendly, this factor starts to cancel itself out – unless they change the signals and the 1|0 nature of the current algo.
- It will also be more difficult to measure over time until the mobile growth rate starts to plateau, especially vs the desktop growth rate. Year over year comparisons of a mobile friendly algorithm will be near impossible unless you’re tracking rankings of desktop vs mobile.
All data compares the 3 weeks before after the mobile algo launch week – and therefore excluding – 4/20-4/26 to account for the week-long rollout. All data is for Organic Google traffic only.
Sites that were not mobile friendly:
Site 1
- Mobile: -28%
- Desktop: -0.6%
Site 2
- Mobile: -29%
- Desktop: +1.1%
Site 3
- Mobile: -25%
- Desktop: -18%
Sites that were/are mobile friendly:
Site 1
- Mobile: +15%
- Desktop: +12%
Site 2
- Mobile: +2%
- Desktop: -0.7%
Site 3
- Mobile: +14%
- Desktop: +7.7%
Site 4
- Mobile: +9%
- Desktop: +2.5%
Site 5
- Mobile: +2.6%
- Desktop: -4.4%
Site 6
- Mobile: +14%
- Desktop: +2.4%
Site 7
- Mobile: +5.8%
- Desktop: +0.6%
Site 8
- Mobile: +14%
- Desktop: +2.7%
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