Research News

Best football academies: Benfica at the top

As every year, the CIES Football Observatory has identified the clubs having trained* the players currently active in 49 leagues around the world.

Research

22 octubre 2025

Best players of the last semester: eight areas

Thanks to the collaboration with Impect, the CIES Football Observatory has developed performance indices on a 100 basis in eight areas of play.
Leer más

Research

17 octubre 2025

Player asset evolution: Chelsea ahead of PSG

The 516th CIES Football Observatory Weekly Post highlights the clubs whose estimated transfer value of players owned has changed the most.
Leer más

Research

08 octubre 2025

CIES “Ballon d’Or”: Lamine Yamal !

With the real Ballon d’Or to be awarded today by France Football, the CIES Football Observatory has had fun ranking the 100 best players in the world.…
Leer más

Research

22 septiembre 2025

Costliest squads: Chelsea at the top

Issue number 513 of the CIES Football Observatory’s Weekly Post presents the 100 clubs worldwide having committed the most money in transfer fees.
Leer más

Research

17 septiembre 2025

Most likely champions: 29 leagues

The 512th Weekly Post presents the results of a statistical model forecasting the probability of winning the title for clubs in 29 leagues.
Leer más

Research

10 septiembre 2025

APPLICATIONS FOR THE 2026 FIFA RESEARCH SCHOLARSHIP : KICK-OFF ON 1 SEPTEMBER

Applications for the 2026 FIFA Research Scholarship has been open from 1st September.
Leer más

Research

04 septiembre 2025

2025 transfers: Liverpool most active in record-breaking market

The 511th CIES Football Observatory Weekly Post analyses the financial results of transfer operations carried out in 2025.
Leer más

Research

03 septiembre 2025

Best teenagers: top 200 worldwide

The 510th Weekly Post presents the 200 footballers worldwide who have not yet turned 20 with the best CIES ratings for matches played in 2025.
Leer más

Research

27 agosto 2025

Prospect Sheet: Rayan (Vasco da Gama)

The fourth Prospect Sheet compiled by the CIES Football Observatory in collaboration with Impect highlights a young Brazilian striker: Rayan Vitor.
Leer más

Research

20 agosto 2025

Nombre	Objetivo	Tiempo de Vida	Tipo	Proveedor
CookieConsent	Guarda tu consentimiento para el uso de cookies.	1 año	HTML	Website
fe_typo_user	Assigns your browser to a session on the server.	sesión	HTTP	Website

Nombre	Objetivo	Tiempo de Vida	Tipo	Proveedor
DSID	Google: Security, Functionality, Advertising for AdSense, Campaign Manager, Google Ad Manager, Google Analytics, Display + Video 360, Search Ads 360	2 weeks	HTML	Google
test_cookie	Google: Functionality for AdSense, Campaign Manager, Google Ad Manager, Google Analytics, Display + Video 360, Search Ads 360	15 minutos	HTML	Google
IDE	Google: Advertising for Campaign Manager, Display + Video 360, Google Ad Manager, Google Analytics, Search Ads 360	24 meses	HTML	Google
FPLC	Google: Analytics for Google Analytics	20 horas	HTML	Google
FPID	Google: Analytics for Google Analytics	2 años	HTML	Google
GA_OPT_OUT	Google: Functionality for Google Analytics	7 años	HTML	Google
__utma	Google: Analytics for Google Analytics	2 años	HTML	Google
__utmb	Google: Analytics for Google Analytics	30 minutos	HTML	Google
__utmc	Google: Analytics for Google Analytics	sesión	HTML	Google
__utmt	Google: Analytics for Google Analytics	10 minutos	HTML	Google
__utmz	Google: Analytics for Google Analytics	6 meses	HTML	Google
__utmv	Google: Analytics for Google Analytics	2 años	HTML	Google
_ga	Used to distinguish users.	2 años	HTML	Google
_gat	Used to throttle request rate.	1 minuto	HTML	Google
_gat_--custom-name--	Google: Analytics for Google Analytics	1 minuto	HTML	Google
_gid	Utilizado para distinguir usuarios.	24 horas	HTML	Google
_ga_--container-id--	Persists session state.	2 años	HTML	Google
_dc_gtm_--property-id--	Used by DoubleClick (Google Tag Manager) to help identify the visitors by either age, gender or interests.	1 minuto	HTML	Google
_gaexp	Google: Analytics for Google Analytics, Optimize	93 días	HTML	Google
_gaexp_rc	Google: Analytics for Google Analytics, Optimize	10 seconds	HTML	Google
_opt_awcid	Google: Analytics for Google Analytics, Optimize	24 horas	HTML	Google
_opt_awmid	Google: Analytics for Google Analytics, Optimize	24 horas	HTML	Google
_opt_awgid	Google: Analytics for Google Analytics, Optimize	24 horas	HTML	Google
_opt_awkid	Google: Analytics for Google Analytics, Optimize	24 horas	HTML	Google
_opt_utmc	Google: Analytics for Google Analytics, Optimize	24 horas	HTML	Google
_gac_--property-id--	Contiene información relacionada con la campaña para el usuario. Si ha vinculado sus cuentas de Google Analytics y Google Ads, las etiquetas de conversión del sitio web de Google Ads leerán esta cookie, a menos que opte por excluirla.	90 días	HTML	Google
AMP_TOKEN	Contains a token that can be used to retrieve a Client ID from AMP Client ID service. Other possible values indicate opt-out, request in progress or an error retrieving a Client ID from AMP Client ID service.	1 año	HTML	Google

Academic Education

Executive Education

Research News

Best football academies: Benfica at the top

Best players of the last semester: eight areas

Player asset evolution: Chelsea ahead of PSG

CIES “Ballon d’Or”: Lamine Yamal !

Costliest squads: Chelsea at the top

Most likely champions: 29 leagues

APPLICATIONS FOR THE 2026 FIFA RESEARCH SCHOLARSHIP : KICK-OFF ON 1 SEPTEMBER

2025 transfers: Liverpool most active in record-breaking market

Best teenagers: top 200 worldwide

Prospect Sheet: Rayan (Vasco da Gama)