Technology history for freuleins.de
Stack size over time
From 14 detected technologies in Feb 2019 to 36 in Jun 2026 (peak 45).
Currently detected
- jQuery since Feb 2019
- jQuery Migrate since Feb 2019
- PHP since Feb 2019
- MySQL since Feb 2019
- WooCommerce since Feb 2019
- WordPress since Feb 2019
- WP Rocket since Apr 2019
- Google Analytics since Dec 2020
- Nginx since Jun 2021
- Plesk since Jun 2021
- LazySizes since Feb 2022
- Cart Functionality since Feb 2022
- Redis Object Cache since May 2022
- Redis since May 2022
- Amazon SES since Aug 2022
- Amazon Web Services since Aug 2022
- Open Graph since Sep 2022
- HSTS since Sep 2022
- Pinterest Conversion Tag since Dec 2022
- RSS since Dec 2022
- Priority Hints since Aug 2023
- React since Sep 2023
- EWWW Image Optimizer since Dec 2023
- BetterDocs since Aug 2024
- BetterDocs plugin since Aug 2024
- Kadence WP Kadence since Aug 2024
- Kadence WP Blocks since Aug 2024
- WordPress Block Editor since Aug 2024
- Microsoft Clarity since Sep 2024
- Borlabs Cookie since Sep 2024
- Vue.js since Sep 2024
- Element UI since Oct 2024
- Slick since Feb 2025
- WP Portfolio since Feb 2025
- Splide since Apr 2025
- Cloudflare Turnstile since Sep 2025
Previously used
- Google Tag Manager Dec 2020 to Apr 2026 · 5 yrs
- OWL Carousel Dec 2020 to Apr 2026 · 5 yrs
- Stripe Jun 2025 to Apr 2026 · 10 mo
- WooCommerce Stripe Payment Gateway Jun 2025 to Apr 2026 · 10 mo
- core-js Jul 2023 to Mar 2026 · 2 yrs
- Amazon S3 Nov 2025 to Nov 2025 · 1 mo
- Site Kit Sep 2024 to Nov 2025 · 1 yr
- Facebook Pixel Apr 2023 to Oct 2025 · 2 yrs
- Google AdSense Jan 2021 to Oct 2025 · 4 yrs
- reCAPTCHA Dec 2020 to Oct 2025 · 4 yrs
- Bunny Feb 2025 to Jun 2025 · 4 mo
- CivicTheme Aug 2024 to Mar 2025 · 7 mo
- Font Awesome Feb 2019 to Mar 2025 · 6 yrs
- Google Font API Mar 2019 to Jan 2025 · 5 yrs
- FlyingPress Aug 2024 to Aug 2024 · 1 mo
- Moment.js Aug 2024 to Aug 2024 · 1 mo
- Animate.css Dec 2020 to Jul 2024 · 3 yrs
- Gravatar Jun 2021 to Jul 2024 · 3 yrs
- Preact Nov 2022 to Jul 2024 · 1 yr
- RankMath SEO Oct 2022 to Jul 2024 · 1 yr
- Swiper Nov 2022 to Jul 2024 · 1 yr
- WhatsApp Business Chat Feb 2022 to Jul 2024 · 2 yrs
- WooCommerce Subscriptions Jun 2024 to Jul 2024 · 1 mo
- wpBakery Feb 2022 to Jul 2024 · 2 yrs
- MonsterInsights Nov 2023 to Feb 2024 · 3 mo
- Flickity Nov 2022 to Nov 2023 · 1 yr
- Select2 Jul 2023 to Nov 2023 · 4 mo
- Thrive Architect Jul 2023 to Nov 2023 · 4 mo
- WP-Optimize Nov 2023 to Nov 2023 · 1 mo
- NitroPack Jul 2021 to Oct 2023 · 2 yrs
- PixelYourSite Sep 2023 to Sep 2023 · 1 mo
- Vimeo Sep 2023 to Sep 2023 · 1 mo
- YouTube Sep 2023 to Sep 2023 · 1 mo
- Matomo Analytics Mar 2023 to May 2023 · 2 mo
- Etracker Mar 2023 to Mar 2023 · 1 mo
- C Feb 2023 to Feb 2023 · 1 mo
- web-vitals Feb 2022 to Jan 2023 · 11 mo
- Facebook Login Nov 2022 to Dec 2022 · 1 mo
- Google Sign-in Nov 2022 to Dec 2022 · 1 mo
- Google Core Web Vitals Oct 2021 to Nov 2021 · 1 mo
- Wheelio Sep 2021 to Oct 2021 · 1 mo
- Bootstrap Feb 2019 to Sep 2021 · 2 yrs
- GSAP Jul 2020 to Sep 2021 · 1 yr
- Isotope Sep 2021 to Sep 2021 · 1 mo
- PayPal Jun 2019 to Sep 2021 · 2 yrs
- Underscore.js Jun 2020 to Sep 2021 · 1 yr
- Slider Revolution Feb 2019 to Aug 2021 · 2 yrs
- Apache HTTP Server Feb 2019 to May 2021 · 2 yrs
- TrackJs Dec 2020 to Dec 2020 · 1 mo
- Twitter Oct 2020 to Dec 2020 · 2 mo
- Lightbox Feb 2019 to Sep 2020 · 1 yr
- Modernizr Feb 2019 to Sep 2020 · 1 yr
- Twitter Emoji (Twemoji) Feb 2019 to Sep 2020 · 1 yr
- Yoast SEO Feb 2019 to Sep 2020 · 1 yr
- jsDelivr Jul 2020 to Aug 2020 · 1 mo
- Chart.js May 2019 to Jul 2020 · 1 yr
- Dojo Oct 2019 to Jul 2020 · 9 mo
Timeline
2026 1 added · 6 dropped · 1 switched
- dropped Google Tag Manager Jun 2026 · Tag managers
- added Open Graph Jun 2026 · Miscellaneous
- dropped OWL Carousel Jun 2026 · JavaScript libraries
- dropped Stripe Jun 2026 · Payment processors
- dropped WooCommerce Stripe Payment Gateway Jun 2026 · WordPress plugins
- dropped Open Graph May 2026 · Miscellaneous
- dropped Amazon S3 Jan 2026 · CDN
- switched core-js OWL Carousel Jan 2026 · JavaScript libraries
2025 34 added · 23 dropped · 5 switched
- dropped Facebook Pixel Dec 2025 · Analytics
- dropped Google AdSense Dec 2025 · Advertising
- dropped reCAPTCHA Dec 2025 · Security
- added WP Rocket Dec 2025 · Caching
- switched Bunny Amazon S3 Nov 2025 · CDN
- switched Site Kit EWWW Image Optimizer Nov 2025 · WordPress plugins
- added LazySizes Nov 2025 · Performance
- added Facebook Pixel Oct 2025 · Analytics
- added Google AdSense Oct 2025 · Advertising
- added Google Analytics Oct 2025 · Analytics
- added Google Tag Manager Oct 2025 · Tag managers
- added Microsoft Clarity Oct 2025 · Analytics
- added reCAPTCHA Oct 2025 · Security
- added Cloudflare Turnstile Sep 2025 · Security
- dropped Facebook Pixel Sep 2025 · Analytics
- dropped Google AdSense Sep 2025 · Advertising
- dropped Google Analytics Sep 2025 · Analytics
- dropped Google Tag Manager Sep 2025 · Tag managers
- dropped Microsoft Clarity Sep 2025 · Analytics
- dropped reCAPTCHA Sep 2025 · Security
- switched CivicTheme Element UI Jul 2025 · UI frameworks
- added Facebook Pixel Jul 2025 · Analytics
- added Google AdSense Jul 2025 · Advertising
- added Google Analytics Jul 2025 · Analytics
- added Google Tag Manager Jul 2025 · Tag managers
- added Microsoft Clarity Jul 2025 · Analytics
- added Pinterest Conversion Tag Jul 2025 · Analytics
- added React Jul 2025 · JavaScript frameworks
- added reCAPTCHA Jul 2025 · Security
- added Redis Jul 2025 · Databases
- added Redis Object Cache Jul 2025 · Caching
- added Splide Jul 2025 · JavaScript libraries
- added Vue.js Jul 2025 · JavaScript frameworks
- dropped Pinterest Conversion Tag Jun 2025 · Analytics
- dropped React Jun 2025 · JavaScript frameworks
- dropped Splide Jun 2025 · JavaScript libraries
- added Stripe Jun 2025 · Payment processors
- added WooCommerce Stripe Payment Gateway Jun 2025 · WordPress plugins
- dropped Element UI May 2025 · UI frameworks
- dropped Facebook Pixel May 2025 · Analytics
- dropped Google AdSense May 2025 · Advertising
- dropped Google Analytics May 2025 · Analytics
- dropped Google Tag Manager May 2025 · Tag managers
- dropped Microsoft Clarity May 2025 · Analytics
- dropped reCAPTCHA May 2025 · Security
- dropped Vue.js May 2025 · JavaScript frameworks
- added React Apr 2025 · JavaScript frameworks
- added Splide Apr 2025 · JavaScript libraries
- dropped Redis Mar 2025 · Databases
- dropped Redis Object Cache Mar 2025 · Caching
- dropped WP Rocket Mar 2025 · Caching
- added BetterDocs Feb 2025 · Documentation
- added BetterDocs plugin Feb 2025 · WordPress plugins
- added Bunny Feb 2025 · CDN
- switched Google Font API Font Awesome Feb 2025 · Font scripts
- added jQuery Feb 2025 · JavaScript libraries
- added jQuery Migrate Feb 2025 · JavaScript libraries
- added Slick Feb 2025 · JavaScript libraries
- added WP Portfolio Feb 2025 · WordPress plugins
- switched Font Awesome Google Font API Jan 2025 · Font scripts
- added Redis Jan 2025 · Databases
- added Redis Object Cache Jan 2025 · Caching
2024 21 added · 31 dropped
- dropped Redis Nov 2024 · Databases
- dropped Redis Object Cache Nov 2024 · Caching
- dropped BetterDocs Oct 2024 · Documentation
- dropped BetterDocs plugin Oct 2024 · WordPress plugins
- added Element UI Oct 2024 · UI frameworks
- dropped FlyingPress Oct 2024 · WordPress plugins
- dropped jQuery Oct 2024 · JavaScript libraries
- dropped jQuery Migrate Oct 2024 · JavaScript libraries
- dropped Moment.js Oct 2024 · JavaScript libraries
- dropped OWL Carousel Oct 2024 · JavaScript libraries
- dropped Animate.css Sep 2024 · UI frameworks
- added Borlabs Cookie Sep 2024 · WordPress plugins
- dropped EWWW Image Optimizer Sep 2024 · WordPress plugins
- added Google AdSense Sep 2024 · Advertising
- dropped Gravatar Sep 2024 · Miscellaneous
- dropped LazySizes Sep 2024 · Performance
- added Microsoft Clarity Sep 2024 · Analytics
- dropped Preact Sep 2024 · JavaScript libraries
- dropped RankMath SEO Sep 2024 · WordPress plugins
- added reCAPTCHA Sep 2024 · Security
- added Site Kit Sep 2024 · WordPress plugins
- dropped Swiper Sep 2024 · JavaScript libraries
- added Vue.js Sep 2024 · JavaScript frameworks
- dropped WhatsApp Business Chat Sep 2024 · Live chat
- dropped WooCommerce Subscriptions Sep 2024 · WordPress plugins
- dropped wpBakery Sep 2024 · WordPress plugins
- added BetterDocs Aug 2024 · Documentation
- added BetterDocs plugin Aug 2024 · WordPress plugins
- added CivicTheme Aug 2024 · UI frameworks
- added FlyingPress Aug 2024 · WordPress plugins
- added jQuery Migrate Aug 2024 · JavaScript libraries
- added Kadence WP Blocks Aug 2024 · WordPress plugins
- added Kadence WP Kadence Aug 2024 · WordPress themes
- added Moment.js Aug 2024 · JavaScript libraries
- added WordPress Block Editor Aug 2024 · Page builders
- added OWL Carousel Jun 2024 · JavaScript libraries
- added WooCommerce Subscriptions Jun 2024 · WordPress plugins
- dropped Google AdSense Apr 2024 · Advertising
- dropped MonsterInsights Apr 2024 · WordPress plugins
- added Priority Hints Apr 2024 · Performance
- dropped reCAPTCHA Apr 2024 · Security
- added Animate.css Mar 2024 · UI frameworks
- dropped OWL Carousel Feb 2024 · JavaScript libraries
- dropped Animate.css Jan 2024 · UI frameworks
- dropped Flickity Jan 2024 · JavaScript libraries
- dropped jQuery Migrate Jan 2024 · JavaScript libraries
- dropped Priority Hints Jan 2024 · Performance
- dropped React Jan 2024 · JavaScript frameworks
- dropped Select2 Jan 2024 · JavaScript libraries
- added Swiper Jan 2024 · JavaScript libraries
- dropped Thrive Architect Jan 2024 · WordPress plugins
- dropped WP-Optimize Jan 2024 · WordPress plugins
2023 36 added · 25 dropped · 2 switched
- added EWWW Image Optimizer Dec 2023 · WordPress plugins
- dropped NitroPack Dec 2023 · Performance
- added WP Rocket Dec 2023 · Caching
- dropped Font Awesome Nov 2023 · Font scripts
- added MonsterInsights Nov 2023 · WordPress plugins
- dropped PixelYourSite Nov 2023 · WordPress plugins
- added WP-Optimize Nov 2023 · WordPress plugins
- dropped WP Rocket Nov 2023 · Caching
- added Animate.css Sep 2023 · UI frameworks
- added PixelYourSite Sep 2023 · WordPress plugins
- added React Sep 2023 · JavaScript frameworks
- added Redis Sep 2023 · Databases
- added Redis Object Cache Sep 2023 · Caching
- switched YouTube Vimeo Sep 2023 · Video players
- added WP Rocket Sep 2023 · Caching
- switched Vimeo YouTube Sep 2023 · Video players
- added Priority Hints Aug 2023 · Performance
- added Cart Functionality Jul 2023 · Ecommerce
- added core-js Jul 2023 · JavaScript libraries
- added Flickity Jul 2023 · JavaScript libraries
- added Font Awesome Jul 2023 · Font scripts
- added Google AdSense Jul 2023 · Advertising
- added jQuery Jul 2023 · JavaScript libraries
- added jQuery Migrate Jul 2023 · JavaScript libraries
- dropped Matomo Analytics Jul 2023 · Analytics
- added OWL Carousel Jul 2023 · JavaScript libraries
- added reCAPTCHA Jul 2023 · Security
- added Select2 Jul 2023 · JavaScript libraries
- added Thrive Architect Jul 2023 · WordPress plugins
- dropped Etracker May 2023 · Analytics
- dropped Google AdSense May 2023 · Advertising
- dropped reCAPTCHA May 2023 · Security
- dropped C Apr 2023 · Programming languages
- dropped Cart Functionality Apr 2023 · Ecommerce
- added Facebook Pixel Apr 2023 · Analytics
- added Google Tag Manager Apr 2023 · Tag managers
- added Pinterest Conversion Tag Apr 2023 · Analytics
- added Etracker Mar 2023 · Analytics
- added Google AdSense Mar 2023 · Advertising
- added Matomo Analytics Mar 2023 · Analytics
- added Preact Mar 2023 · JavaScript libraries
- added reCAPTCHA Mar 2023 · Security
- dropped web-vitals Mar 2023 · JavaScript libraries
- added C Feb 2023 · Programming languages
- dropped Facebook Login Feb 2023 · Authentication
- dropped Flickity Feb 2023 · JavaScript libraries
- dropped Google AdSense Feb 2023 · Advertising
- dropped Google Sign-in Feb 2023 · Authentication
- dropped jQuery Feb 2023 · JavaScript libraries
- dropped jQuery Migrate Feb 2023 · JavaScript libraries
- added Open Graph Feb 2023 · Miscellaneous
- dropped OWL Carousel Feb 2023 · JavaScript libraries
- dropped Pinterest Conversion Tag Feb 2023 · Analytics
- dropped Preact Feb 2023 · JavaScript libraries
- added RankMath SEO Feb 2023 · WordPress plugins
- dropped reCAPTCHA Feb 2023 · Security
- dropped Redis Feb 2023 · Databases
- dropped Redis Object Cache Feb 2023 · Caching
- dropped Swiper Feb 2023 · JavaScript libraries
- dropped WP Rocket Feb 2023 · Caching
- added LazySizes Jan 2023 · JavaScript libraries
- added NitroPack Jan 2023 · Performance
- added web-vitals Jan 2023 · JavaScript libraries
2022 22 added · 12 dropped
- dropped LazySizes Dec 2022 · JavaScript libraries
- dropped NitroPack Dec 2022 · Performance
- dropped Open Graph Dec 2022 · Miscellaneous
- added Pinterest Conversion Tag Dec 2022 · Analytics
- dropped RankMath SEO Dec 2022 · WordPress plugins
- added RSS Dec 2022 · Miscellaneous
- dropped web-vitals Dec 2022 · JavaScript libraries
- added HSTS Sep 2022 · Security
- added Open Graph Sep 2022 · Miscellaneous
- added Amazon SES Aug 2022 · Email
- added Amazon Web Services Aug 2022 · PaaS
- added Cart Functionality Aug 2022 · Ecommerce
- added Gravatar Aug 2022 · Miscellaneous
- added LazySizes Aug 2022 · JavaScript libraries
- added MySQL Aug 2022 · Databases
- added Nginx Aug 2022 · Web servers
- added NitroPack Aug 2022 · Performance
- added PHP Aug 2022 · Programming languages
- added Plesk Aug 2022 · Hosting panels
- added web-vitals Aug 2022 · JavaScript libraries
- added WhatsApp Business Chat Aug 2022 · Live chat
- added WooCommerce Aug 2022 · Ecommerce
- added WordPress Aug 2022 · CMS
- added wpBakery Aug 2022 · WordPress plugins
- dropped Redis Jul 2022 · Databases
- dropped Redis Object Cache Jul 2022 · Caching
- added Gravatar May 2022 · Miscellaneous
- added Redis May 2022 · Databases
- added Redis Object Cache May 2022 · Caching
- dropped Google Core Web Vitals Mar 2022 · RUM
- dropped Google Font API Mar 2022 · Font scripts
- dropped Gravatar Mar 2022 · Miscellaneous
- dropped reCAPTCHA Feb 2022 · Security
- dropped Wheelio Feb 2022 · Widgets
2021 22 added · 29 dropped · 2 switched
- dropped Animate.css Nov 2021 · UI frameworks
- dropped GSAP Nov 2021 · JavaScript frameworks
- dropped Isotope Nov 2021 · JavaScript libraries
- dropped jQuery Nov 2021 · JavaScript libraries
- dropped jQuery Migrate Nov 2021 · JavaScript libraries
- dropped OWL Carousel Nov 2021 · Widgets
- dropped PayPal Nov 2021 · Payment processors
- dropped Plesk Nov 2021 · Hosting panels
- dropped Underscore.js Nov 2021 · JavaScript libraries
- added WooCommerce Nov 2021 · WordPress plugins
- dropped Font Awesome Oct 2021 · Font scripts
- added Google Core Web Vitals Oct 2021 · RUM
- added NitroPack Oct 2021 · Caching
- dropped Slider Revolution Oct 2021 · Miscellaneous
- dropped WooCommerce Oct 2021 · Ecommerce
- dropped WP Rocket Oct 2021 · Caching
- added GSAP Sep 2021 · JavaScript frameworks
- added Isotope Sep 2021 · JavaScript libraries
- dropped NitroPack Sep 2021 · Caching
- added Wheelio Sep 2021 · Widgets
- switched Bootstrap Animate.css Aug 2021 · UI frameworks
- added Bootstrap Aug 2021 · UI frameworks
- added Font Awesome Aug 2021 · Font scripts
- added jQuery Aug 2021 · JavaScript libraries
- added jQuery Migrate Aug 2021 · JavaScript libraries
- added OWL Carousel Aug 2021 · Widgets
- added PayPal Aug 2021 · Payment processors
- added Slider Revolution Aug 2021 · Miscellaneous
- added Underscore.js Aug 2021 · JavaScript libraries
- added WP Rocket Aug 2021 · Caching
- dropped jQuery Jul 2021 · JavaScript libraries
- dropped jQuery Migrate Jul 2021 · JavaScript libraries
- added NitroPack Jul 2021 · Caching
- dropped Google AdSense Jun 2021 · Advertising
- added Gravatar Jun 2021 · Miscellaneous
- switched Apache HTTP Server Nginx Jun 2021 · Web servers
- added Plesk Jun 2021 · Hosting panels
- added jQuery May 2021 · JavaScript libraries
- added jQuery Migrate May 2021 · JavaScript libraries
- added WooCommerce Apr 2021 · Ecommerce
- dropped Google Analytics Mar 2021 · Analytics
- dropped Animate.css Feb 2021 · UI frameworks
- dropped Bootstrap Feb 2021 · UI frameworks
- dropped Font Awesome Feb 2021 · Font scripts
- dropped Google Tag Manager Feb 2021 · Tag managers
- dropped GSAP Feb 2021 · JavaScript frameworks
- dropped jQuery Feb 2021 · JavaScript libraries
- dropped OWL Carousel Feb 2021 · Widgets
- dropped Slider Revolution Feb 2021 · Miscellaneous
- dropped Underscore.js Feb 2021 · JavaScript libraries
- dropped WooCommerce Feb 2021 · Ecommerce
- dropped WP Rocket Feb 2021 · Caching
- added Google AdSense Jan 2021 · Advertising
2020 17 added · 11 dropped · 3 switched
- added Animate.css Dec 2020 · UI frameworks
- added Font Awesome Dec 2020 · Font scripts
- switched TrackJs Google Analytics Dec 2020 · Analytics
- added Google Tag Manager Dec 2020 · Tag managers
- switched Twitter OWL Carousel Dec 2020 · Widgets
- added reCAPTCHA Dec 2020 · Security
- switched Twitter Emoji (Twemoji) Slider Revolution Dec 2020 · Miscellaneous
- added TrackJs Dec 2020 · Analytics
- added Underscore.js Dec 2020 · JavaScript libraries
- added WP Rocket Dec 2020 · Caching
- dropped Lightbox Nov 2020 · JavaScript libraries
- dropped Modernizr Nov 2020 · JavaScript libraries
- dropped Slider Revolution Nov 2020 · Miscellaneous
- dropped Underscore.js Nov 2020 · JavaScript libraries
- dropped Yoast SEO Nov 2020 · SEO
- dropped jQuery Migrate Oct 2020 · JavaScript libraries
- dropped jsDelivr Oct 2020 · CDN
- dropped PayPal Oct 2020 · Payment processors
- added Twitter Oct 2020 · Widgets
- dropped Chart.js Sep 2020 · JavaScript graphics
- dropped Dojo Sep 2020 · JavaScript libraries
- added Twitter Emoji (Twemoji) Sep 2020 · Miscellaneous
- added Google Font API Jul 2020 · Font scripts
- added GSAP Jul 2020 · JavaScript frameworks
- added jsDelivr Jul 2020 · CDN
- dropped WP Rocket Jul 2020 · Caching
- added Lightbox Jun 2020 · JavaScript libraries
- added Modernizr Jun 2020 · JavaScript libraries
- added Slider Revolution Jun 2020 · Miscellaneous
- added Underscore.js Jun 2020 · JavaScript libraries
- added Yoast SEO Jun 2020 · SEO
2019 19 added · 7 dropped
- added Dojo Oct 2019 · JavaScript Libraries
- added PayPal Jun 2019 · Payment Processors
- added Chart.js May 2019 · JavaScript Graphics
- dropped Font Awesome May 2019 · Font Scripts
- dropped Google Font API May 2019 · Font Scripts
- dropped Lightbox May 2019 · JavaScript Libraries
- dropped Modernizr May 2019 · JavaScript Libraries
- dropped Slider Revolution May 2019 · Miscellaneous
- dropped Twitter Emoji (Twemoji) May 2019 · Miscellaneous
- dropped Yoast SEO May 2019 · SEO
- added WP Rocket Apr 2019 · Cache Tools
- added Apache HTTP Server Mar 2019 · Web Servers
- added Bootstrap Mar 2019 · Web Frameworks
- added Font Awesome Mar 2019 · Font Scripts
- added Google Font API Mar 2019 · Font Scripts
- added jQuery Mar 2019 · JavaScript Libraries
- added jQuery Migrate Mar 2019 · JavaScript Libraries
- added Lightbox Mar 2019 · JavaScript Libraries
- added Modernizr Mar 2019 · JavaScript Libraries
- added MySQL Mar 2019 · Databases
- added PHP Mar 2019 · Programming Languages
- added Slider Revolution Mar 2019 · Miscellaneous
- added Twitter Emoji (Twemoji) Mar 2019 · Miscellaneous
- added WooCommerce Mar 2019 · Ecommerce
- added WordPress Mar 2019 · CMS
- added Yoast SEO Mar 2019 · SEO