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Deprecated: Return type of SendGridV3\ClickTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 70

Deprecated: Return type of SendGridV3\OpenTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 107

Deprecated: Return type of SendGridV3\SubscriptionTracking::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 166

Deprecated: Return type of SendGridV3\Ganalytics::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 249

Deprecated: Return type of SendGridV3\TrackingSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 312

Deprecated: Return type of SendGridV3\BccSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 351

Deprecated: Return type of SendGridV3\BypassListManagement::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 377

Deprecated: Return type of SendGridV3\Footer::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 424

Deprecated: Return type of SendGridV3\SandBoxMode::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 450

Deprecated: Return type of SendGridV3\SpamCheck::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 497

Deprecated: Return type of SendGridV3\MailSettings::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 568

Deprecated: Return type of SendGridV3\ASM::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 608

Deprecated: Return type of SendGridV3\Attachment::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 678

Deprecated: Return type of SendGridV3\Content::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 724

Deprecated: Return type of SendGridV3\Personalization::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 827

Deprecated: Return type of SendGridV3\Email::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 876

Deprecated: Return type of SendGridV3\Mail::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/plugins/sendgrid-email-delivery-simplified/lib/sendgrid/sendgrid-api-v3.php on line 1100

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/core/components/api/spam/Provider.php on line 149

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Deprecated: Creation of dynamic property ET_Core_API_Spam_ReCaptcha::$API_KEY_REQUIRED is deprecated in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/core/components/api/Service.php on line 247

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Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/includes/builder/framework.php on line 824

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/includes/builder/autoload.php on line 118

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Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/class-dynamic-assets.php on line 1160

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/includes/builder/feature/dynamic-content.php on line 116

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/includes/builder/class-et-builder-element.php on line 5704

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Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/includes/builder/class-et-builder-element.php on line 10556

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/includes/builder/class-et-builder-element.php on line 10576

Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/includes/builder/class-et-builder-element.php on line 10605

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Deprecated: Creation of dynamic property ET_Builder_Code_Snippets_Library::$code_snippets_categories is deprecated in /var/www/vhosts/optitech-be.fr/httpdocs/wp-content/themes/Divi/core/code-snippets/CodeSnippetsLibrary.php on line 114

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1.0OPTI'TECH BEhttps://www.optitech-be.fradminhttps://www.optitech-be.fr/author/admin/OPTI'TECH BE - Bureau d'Études Techniques à Rennesrich600338<blockquote class="wp-embedded-content" data-secret="6whyh6Ubuo"><a href="https://www.optitech-be.fr/">ACCUEIL</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.optitech-be.fr/embed/#?secret=6whyh6Ubuo" width="600" height="338" title="« ACCUEIL » — OPTI'TECH BE" data-secret="6whyh6Ubuo" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> Votre interlocuteur unique pour toutes vos études techniques pour le bâtiment. Basé à Rennes et agissant dans le secteur du bâtiment tertiaire et industriel, le bureau d’études Opti’Tech BE réalise l’ensemble de vos études techniques sur les domaines Structures, Fluides et Électricité .