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NATALIA ZHUKOVA
SEOINTERNATIONAL
LES PLUS COMMUNS EN
LES PROBLÈMES
TECHNIQUES
DES GRANDS SITES WEB
25%
(PLUS DE 5000 PAGES)
ONT DES HREFLANG
SOURCE : SEMRUSH.COM
75% DES SITES ONT DES
ERREURS HREFLANGS
HREFLANG
<LINK REL="ALTERNATE" HREF="HTTP://EXAMPLE.COM" HREFLANG="EN-US" />
LANGUE
RÉGION
(OPTIONNEL)
REL="ALTERNATE" HREFLANG="FR-CA"
-
(OBLIGATOIRE)
01
02
03
LIENS EN HTML <HEAD>
XML SITEMAPS
HTTP HEADER
IL EST TRÈS FACILE DE FAIRE UNE
ERREUR LORSQUE VOUS METTEZ
EN PLACE L'ATTRIBUT HREFLANG
MDR...
seule
faute...
<<<
1
FOCUS SUR LES
PROBLÈMES
15%
30%
45%
60%
0%
58%
15%
37%
20%
32%
IMPLÉMENTATION DE
HREFLANG
CONFLITS DE
HREFLANG
MAUVAIS LIENS DE
HREFLANG
LANGUE INCOHÉRANTE
DANS HREFLANG
HREFLANG POTENTIELL
EMENT MANQUANT
SOURCE : SEMRUSH.COM
IMPLÉMENTATION DE HREFLANG
01
15%
CODE DE LA LANGUE INCORRECT
hreflang="gm-at"
hreflang="de-at"
ISO 639-1 format pour les langues
CODE DE LA LANGUE INCORRECT
https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes
http://www.aleydasolis.com/en/international-seo-tools/hreflang-tags-generator/
Savoir
plus...
CODE DU PAYS INCORRECT
(optionnel)
hreflang="es-sp"
hreflang="es-es"
UK GB
EU ???
CODE DU PAYS INCORRECT
ISO 3166-1 Alpha 2 pour les régions (optionnel)
https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
http://www.aleydasolis.com/en/international-seo-tools/hreflang-tags-generator/
Savoir
plus...
UNDERSCORE À LA PLACE DU TIRET
hreflang="zh_CN"
hreflang="zh-CN"
ORDRE DE LA LANGUE ET DU PAYS
hreflang="us-en"
hreflang="en-us"
hreflang="ca-en"
hreflang="en-ca"
CODE DU PAYS UNIQUEMENT
hreflang="UK" hreflang="US"
CONFLITS DE HREFLANG
02
58%
<html>
<head>
<linkrel="alternate"hreflang="en-US"href="http://example.com/us/page.html">
<linkrel="alternate"hreflang="en-GB"href="http://example.co.uk/page.html">
<linkrel="alternate"hreflang="en-CA"href="http://example.com/ca/page.html">
<linkrel="canonical"href="http://example.co.uk/page.html">
</head>
<body>
...
http://example.co.uk/page.html
CONFLITS DE HREFLANG ET CANONICAL
http://example.com/us/page.html
<html>
<head>
<linkrel="alternate"hreflang="en-US"href="http://example.com/us/page.html">
<linkrel="alternate"hreflang="en-GB"href="http://example.co.uk/page.html">
<linkrel="alternate"hreflang="en-CA"href="http://example.com/ca/page.html">
<linkrel="canonical"href="http://example.com/us/page.html">
</head>
<body>
...
CONFLITS DE HREFLANG ET CANONICAL
https://www.banamex.com/en/index.htm
https://www.banamex.com/
<head>
...
<linkrel="alternate"hreflang="en-US"href="http://example.com/us/page.html">
<linkrel="alternate"hreflang="en-GB"href="http://example.co.uk/page.html">
</head>
<head>
...
<linkrel="alternate"hreflang="en-US"href="http://example.com/us/page.html">
<linkrel="alternate"hreflang="en-GB"href="http://example.co.uk/page.html">
<linkrel="alternate"hreflang="fr-FR"href="http://fr.example.com/page.html">
</head>
http://fr.example.com/page.html
PAS DE SELF-REFERENCING HREFLANG
PAS DE SELF-REFERENCING HREFLANG
https://www.globalknowledge.dk/kurser/amazon_web_services/cloud_computin
g/gk1978.html
0 of 0
CONFLIT DE LIENS HREFLANG AVEC
LES MÊMES LANGUE-PAYS
<link rel="alternate" hreflang="en-DE" href="http://www.michaelkors.de/" />
<link rel="alternate" hreflang="en-DE" href="http://www.michaelkors.de/en_DE/" />
RETURN TAG ERRORS
RETURN TAG ERRORS
SOURCE : http://searchengineland.com/auditing-hreflang-annotations-common-issues-avoid-219483
MAUVAIS LIENS HREFLANG
03
37%
<linkrel="alternate"hreflang="en-US"href="subpage.html">
LIENS RELATIFS
<linkrel="alternate"hreflang="en-US"href="example.com/subpage.html">
<linkrel="alternate"hreflang="en-us"href="/usa/"/>
<linkrel="alternate"hreflang="en-ca"href="/ca/"/>
LIENS ABSOULUS http:// ou
https:// ....
LIENS RELATIFS
LIENS CASSÉS
ET REDIRICTION
SOURCE : SEMRUSH.COM
OUTILS POUR AUDITER HREFLANG
LANGUE INCOHÉRANTE DANS
HREFLANG
04
20%
LANGUE INCOHÉRANTE DANS HREFLANG
ANALYSE SÉMANTIQUE
SOURCE : SEMRUSH.COM
LANGUE INCOHÉRANTE DANS HREFLANG
http://www.shutterstock.com/fr/jobs
HREFLANG POTENTIELLEMENT
MANQUANT05
37%
HREFLANG POTENTIELLEMENT MANQUANT
SOURCE : SEMRUSH.COM
MERCI
BEAUCOUP !
SEOCAMPCAEN-D43CAQFQ
http://bit.ly/seo-campus-caen

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