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Hreflang tags: everything
you need to know to
start implementing them
Sara Moccad-Sayegh | Liip
SLIDESHARE.NET/SaraMoccandSayegh
@moccandsayegh
Let me introduce myself
– I work at Liip, a web & mobile
development agency
– #SEOnerdSwitzerland
Meetup co-founder
@moccandsayegh #brightonseo
@moccandsayegh #brightonseo
Why/What/how
01
Canonical
02
Mistakes
03
Ranking
04
Agenda
Why is hreflang
important
…Switzerland (CH)
@moccandsayegh #brightonseo
What you want to achieve
by using hreflang
@moccandsayegh #brightonseo
You want users to be served with
the correct language version of
the page.
E.g. of hreflang results for a
FR & GE speaker in CH
@moccandsayegh #brightonseo
E.g. of hreflang results for a FR
& EN speaker in CH & USA
@moccandsayegh #brightonseo
What is hreflang?
@moccandsayegh #brightonseo
Hreflang is a technical
solution used to tell search
engines which
language/country your
webpage is targeting.
How to implement hreflang
@moccandsayegh #brightonseo
HTML attribute
HTTP Header
XML attribute inside Sitemap
How it looks in code
@moccandsayegh #brightonseo
Hints VS directives
@moccandsayegh #brightonseo
hreflang is a hint not a directive.
As a result, search engines do
not always respect hreflang.
What you need to
know before
starting
implementation
15
Do all search
engines use
hreflang signals?
@moccandsayegh #brightonseo
Google & Yandex YES
Bing YES/NO
Baidu ?
16
17
3 important hreflang
rules
1. Each language version must
Self-referencing
@moccandsayegh #brightonseo
US page hreflang="en-US"
2. Use absolute URLs
@moccandsayegh #brightonseo
Absolute https://www.eg.com/xy
Relative /xy
3. Bidirectional links
@moccandsayegh #brightonseo
Swiss DE page hreflang="en-US"
US page hreflang="de-CH"
hreflang setup
22
ISO Country codes
@moccandsayegh #brightonseo
Country Code
Switzerland CH
Germany DE
France FR
United States of
America
US
24
When to use
hreflang
1. A country with multiple
languages
@moccandsayegh #brightonseo
Country CH
Lang. German French Italian Reto.
2. Several countries with
the same language
@moccandsayegh #brightonseo
Lang. German
Countries CH DE AT
3. Content translated for several
countries
@moccandsayegh #brightonseo
Lang. German French English
Countries DE FR US
28
Theoretical example
Hreflang e.g. 5 versions of the
same page
@moccandsayegh #brightonseo
Languages DE DE FR FR EN
Countries DE CH CH FR All
The code for German speakers
in Germany
@moccandsayegh #brightonseo
<head>
<title>Example</title>
<link rel="alternate" hreflang="de-DE" href="https://de.example.com/page.html" />
<link rel="alternate" hreflang="de-CH"href="https://ch-de.example.com/page.html"/>
<link rel="alternate" hreflang="fr-CH" href="https://ch-fr.example.com/page.html" />
<link rel="alternate" hreflang="fr-FR" href="https://fr.example.com/page.html" />
<link rel="alternate" hreflang="en" href="https://en.example.com/page.html" />
<link rel="alternate" hreflang="x-default" href="https://en.www.example.com/" />
</head>
What is the x-default
@moccandsayegh #brightonseo
The x-default tag is the fallback page
for unmatched language/country.
If we take the previous e.g. there is no
page in Spanish, so the fallback
would be the English page.
X-default in the code
@moccandsayegh #brightonseo
How Zalando
does it
34
Problems
1. Different assortment
between stores E.g. UKand
DE
@moccandsayegh #brightonseo
2. Difficulty in maintaining a
"consistent" URL key
@moccandsayegh #brightonseo
37
Solution
@moccandsayegh #brightonseo
Applied hreflang on
domains that share the
same language
Example of Ralph Lauren
sneakers for the CH page
@moccandsayegh #brightonseo
Belgium hreflang="fr-BE"
Switzerland hreflang="fr-CH"
France hreflang="fr-FR"
Canonical vs
hreflang
The difference between
canonical & hreflang
- The canonical tag is used to define the master
copy of a page
- Hreflang tags are used to inform search
engines of the correct language version.
@moccandsayegh #brightonseo | April 2022
How the DE page code looks like
Canonical <link rel="canonical"
href="de.URL” />
Hreflang <link rel="alternate"
hreflang="de-DE"
href="de.URL" />
The two most
common
mistakes
1. Self-referencing hreflang
@moccandsayegh #brightonseo | April 2022
Not adding the self-referencing hreflang.
If we take the above example, the
self-reference for the German page is the
German hreflang.
2. Missing reciprocal hreflang
@moccandsayegh #brightonseo
Missing reciprocal hreflang. For instance,
the de-DE page should also be on
the de-CH, fr-CH, fr-FR, EN versions.
Does hreflang
impact ranking?
Google’s answer
@moccandsayegh #brightonseo
“You will NOT receive a ranking benefit
per se, at least not in the internal sense of
the term. What you will receive is more
targeted traffic.”
Why hreflang is important
@moccandsayegh #brightonseo
You will serve the right content to
the right user
Thank you
@moccandsayegh
/moccandsayeghsara/

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Hreflang tags: everything you need to know to start implementing them