The winners and losers of 'mobilegeddon' in the UK

Our good friend Juan González from Sistrix has taken a look at the winners and losers of Google’s 2015 mobile friendly update. 

Last week’s Mobile World Congress in Barcelona had the dawning of AMP (Accelerated Mobile Pages) firmly on the agenda, and this coupled with the following evaluation of 200 domains, really hits home that one of the largest mistakes you can make is not having a mobile friendly website.

Take for an example The British Monarchy. does not offer a mobile-friendly version of its site, which means its mobile-visibility is 37% lower than their desktop counterpart.

When Sistrix looked at the amount of keywords they rank for, there were 50% fewer mobile keywords (1,063 mobile keywords vs 2,054 desktop keywords). This means that for those 991 mobile keywords some other domain will have taken the place of for a smartphone search on Google.

Here are some more winners and losers…



The beleaguered social network actually had the largest gain in mobile visibility. ranks for 211,660 keywords for a desktop search and 272,368 keywords for mobile searches. A huge difference of nearly 60,000 keywords, (28%).

Twitter ranks for 78% more top 10 keywords on mobile than on desktop-searches.

twitter mobile visibility

Clearly partnering with Google and allowing its tweets to be indexed has led to this triumph.


The domain for Merck, the healthcare manual provider, has roughly the same number of mobile and desktop keywords (12,393 vs. 11,600), with a slight edge of 6,5% for the mobile keywords.

If you only look at the keywords within the top 10 search results, the mobile version ranks for 1.110 keywords while the desktop version only ranks for 744 keywords, an increase of nearly 50% between the mobile and desktop top 10.

3) managed to gain 17.26% in their mobile visibility, which is a lot for a domain of its size, though they might want to check if this increase is not hurting as the following chart suggests.

tripadvisor mobile visibilty



Huffpo lost 87.24% of its mobile visibility on The reason for this decrease is the simple fact that the mobile version of is hosted on the domain

If we compare the desktop version of, with the mobile version of, we see that mobile visibility is 70% larger than the desktop counterpart.

huffpo comparison


The online etymology dictionary managed to lose 50% of its keyword rankings between desktop and mobile searches. The loss in the top 10 is even more pronounced (70%) because it simply doesn’t have a mobile version.

3) (and 17

If a specific page is not available it should return a status code 404 (page not found) instead of just redirecting the user to the home page, regardless of the desktop or mobile version. All these redirects to the home page constitute soft-404 errors which have a negative impact on the site. (-67%), for example, redirects many of its pages which are not optimized for mobile use – because many of their products use Adobe Flash – to their mobile home page.

For instance: redirects to when accessed with a smartphone, instead of returning a 404, as it should.

Another example is (-46%), which only has a homepage that’s mobile optimised. Every URL is therefore redirected here when accessed from search on a smartphone.


And here’s a final example of where domains can really mess up, from further down the chart…


Google has stated it won’t tolerate the use of full-screen mobile app ad interstitials and it’s clear from that this is ringing true. Monarch has lost 36,40% of its visibility thanks to its use of interstitials.

For a complete list of the top 30 winners and losers visit the original post at Sistrix.

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