'As this speech indicated, Macron is stronger on generalizations and appeals for unity than specific policy proposals. [...] On the French left, he is widely seen as the Gallic equivalent of Tony Blair, a youthful figure intent on forcing trade unions and workers to submit to the rigors of the global market. [...] It is unclear what sort of mandate Macron will have for carrying out his reform program.'
See also https://www.nytimes.com/2017/05/07/world/europe/why-macron-won-france.html
https://www.nytimes.com/interactive/2017/05/07/world/europe/france-election-results-maps.html
And another way to see who voted https://mamot.fr/system/media_attachments/files/000/101/485/original/7110aa494751016f.png

'Aller sonner à la bonne porte, envoyer le bon tract à la bonne personne, lui présenter l'argument qui fera mouche, en d’autres termes mener des campagnes ultra-ciblées, c'est désormais l’une des clés de la victoire dans les campagnes électorales.'