Technology history for techbooksforfree.com
Stack size over time
From 4 detected technologies in Feb 2020 to 15 in Apr 2026.
Currently detected
- Google Analytics since Feb 2020
- AMP since Mar 2026
- AMP for WordPress since Mar 2026
- Cloudflare since Mar 2026
- HSTS since Mar 2026
- HTTP/3 since Mar 2026
- MySQL since Mar 2026
- Open Graph since Mar 2026
- PHP since Mar 2026
- Priority Hints since Mar 2026
- Site Kit since Mar 2026
- WordPress since Mar 2026
- WordPress Block Editor since Mar 2026
- WP Rocket since Mar 2026
- Yoast SEO since Mar 2026
Previously used
- Apache HTTP Server Feb 2020 to Dec 2025 · 5 yrs
- DoubleClick Ad Exchange (AdX) Feb 2020 to Dec 2025 · 5 yrs
- Google AdSense Feb 2020 to Dec 2025 · 5 yrs
- Google Font API Nov 2025 to Dec 2025 · 1 mo
- reCAPTCHA Apr 2022 to Dec 2025 · 3 yrs
- Google Tag Manager Oct 2021 to Nov 2025 · 4 yrs
- Wheelio Oct 2021 to Oct 2021 · 1 mo
Timeline
2026 6 dropped
- dropped Apache HTTP Server Apr 2026 · Web servers
- dropped DoubleClick Ad Exchange (AdX) Apr 2026 · Advertising
- dropped Google AdSense Apr 2026 · Advertising
- dropped Google Font API Apr 2026 · Font scripts
- dropped reCAPTCHA Apr 2026 · Security
- dropped Google Tag Manager Mar 2026 · Tag managers
2025 2 added · 1 dropped
- added Google Font API Nov 2025 · Font scripts
- added Google Tag Manager Nov 2025 · Tag managers
- dropped Google Tag Manager Aug 2025 · Tag managers
2024 1 dropped
- dropped Google Analytics Sep 2024 · Analytics
2023 8 added · 2 dropped
- added Google Tag Manager Oct 2023 · Tag managers
- dropped Google Tag Manager Aug 2023 · Tag managers
- added Google Tag Manager Jun 2023 · Tag managers
- added Apache HTTP Server May 2023 · Web servers
- added DoubleClick Ad Exchange (AdX) May 2023 · Advertising
- added Google AdSense May 2023 · Advertising
- added Google Analytics May 2023 · Analytics
- dropped Google Tag Manager May 2023 · Tag managers
- added reCAPTCHA May 2023 · Security
- added Google Tag Manager Mar 2023 · Tag managers
2022 7 added · 2 dropped
- dropped Google Tag Manager Dec 2022 · Tag managers
- added Apache HTTP Server Aug 2022 · Web servers
- added DoubleClick Ad Exchange (AdX) Aug 2022 · Advertising
- added Google AdSense Aug 2022 · Advertising
- added Google Analytics Aug 2022 · Analytics
- added reCAPTCHA Aug 2022 · Security
- dropped Google Tag Manager May 2022 · Tag managers
- added reCAPTCHA Apr 2022 · Security
- added Google Tag Manager Jan 2022 · Tag managers
2021 3 dropped
- dropped Google Tag Manager Dec 2021 · Tag managers
- dropped Wheelio Dec 2021 · Widgets
- dropped Google Analytics Mar 2021 · Analytics