diff --git a/docs/ChromeDevTools.md b/docs/ChromeDevTools.md
index 8b479738..63fc1438 100644
--- a/docs/ChromeDevTools.md
+++ b/docs/ChromeDevTools.md
@@ -1,4 +1,14 @@
-# Chrome DevTools & Firefox DevTools
+# Chrome & Firefox DevTools. HTTP Protocols & WebSockets
+- [ChromeDevTools](#chromedevtools)
+- [Firefox DevTools](#firefox-devtools)
+- [Other Tools](#other-tools)
+- [HTTP Protocols](#http-protocols)
+ - [HTTP Status Codes](#http-status-codes)
+ - [HTTP/2](#http2)
+ - [HTTP/3](#http3)
+ - [HTTP Structured Fields](#http-structured-fields)
+- [WebSockets](#websockets)
+
## ChromeDevTools
- [devtools.chrome.com](https://devtools.chrome.com)
- [Port of Firefox's JSON Viewer](https://chrome.google.com/webstore/detail/json-viewer/efknglbfhoddmmfabeihlemgekhhnabb)
@@ -18,4 +28,47 @@
## Other Tools
-- [jsontoolbox.com](https://jsontoolbox.com/)
\ No newline at end of file
+- [jsontoolbox.com](https://jsontoolbox.com/)
+
+## HTTP Protocols
+### HTTP Status Codes
+- [wikipedia: List of HTTP status codes](https://en.wikipedia.org/wiki/List_of_HTTP_status_codes)
+- [slideshare: Http Status Code Errors in SEO](http://www.slideshare.net/AdelaRoger/http-status-code-errors-in-seo)
+
+### HTTP/2
+- [Wikipedia: HTTP/2](https://en.wikipedia.org/wiki/HTTP/2)
+- [SPDY & HTTP 2 with Akamai CTO Guy Podjarny](https://www.youtube.com/watch?v=WkLBrHW4NhQ)
+ - [cURL mantainer: http2 explained π](http://http2-explained.haxx.se/)
+ - [cURL mantainer: curl and HTTP/2 by default](http://daniel.haxx.se/blog/2015/12/14/curl-and-http2-by-default/)
+ - [cURL mantainer: A 2015 retrosprective](http://daniel.haxx.se/blog/2015/12/20/a-2015-retrospective/)
+ - [http2.github.io HTTP/2 π](https://http2.github.io)
+ - [http2.github.io HTTP/2 Frequently Asked Questions π](https://http2.github.io/faq/)
+ - [HTTP/2 resources](https://pinboard.in/u:rmurphey/t:http2/)
+ - [A Simple Performance Comparison of HTTPS, SPDY and HTTP/2 π](https://blog.httpwatch.com/2015/01/16/a-simple-performance-comparison-of-https-spdy-and-http2/comment-page-1/)
+ - [blog.cloudflare.com - Tools for debugging, testing and using HTTP/2](https://blog.cloudflare.com/tools-for-debugging-testing-and-using-http-2/)
+ - [blog.cloudflare.com - HTTP/2 For Web Developers](https://blog.cloudflare.com/http-2-for-web-developers/)
+- [HTTP/2 With JBoss EAP 7 - Tech Preview](http://blog.eisele.net/2015/11/http2-with-jboss-eap-7.html)
+ - [Dzone - HTTP/2 With JBoss EAP 7: Tech Preview](https://dzone.com/articles/http2-with-jboss-eap-7-tech-preview)
+- [simple-talk.com: Script Loading between HTTP/1.1 and HTTP/2](https://www.simple-talk.com/dotnet/asp.net/script-loading-between-http1.1-and-http2/)
+- [5 Tips to Boost the Performance of Your Apache Web Server](http://www.tecmint.com/apache-performance-tuning/)
+- [DZone: How HTTP/2 Is Changing Web Performance Best Practices](https://dzone.com/articles/how-http2-is-changing-web-performance-best-practic-2) For people who write code for the web, transitioning to HTTP/2 isnβt always straightforward, and a speed boost isnβt automatically guaranteed. This article is an introduction to HTTP/2 and how it changes web performance best practices.
+
+### HTTP/3
+- [Wikipedia: HTTP/3](https://en.wikipedia.org/wiki/HTTP/3)
+
+### HTTP Structured Fields
+- [Improving HTTP with structured header fields π](https://www.fastly.com/blog/improve-http-structured-headers)
+- [http-sfv: HTTP Structured Field Values in Python](https://pypi.org/project/http-sfv/)
+
+## WebSockets
+- [WebSocket](https://en.wikipedia.org/wiki/WebSocket)
+- [The State of Real-Time Web in 2016](https://banksco.de/p/state-of-realtime-web-2016.html)
+- [SPDY and WebSocket Support at Akamai](https://blogs.akamai.com/2012/07/spdy-and-websocket-support-at-akamai.html)
+
+---
+
+
+
+
+
+
diff --git a/docs/elearning.md b/docs/elearning.md
index 74bba1a0..930b3441 100644
--- a/docs/elearning.md
+++ b/docs/elearning.md
@@ -24,3 +24,4 @@
* [ine.com](https://ine.com/)
* [GCF LearnFree.org](https://edu.gcfglobal.org/en/)
* [wiki.bash-hackers.org](https://wiki.bash-hackers.org/)
+* [SQL Police Department](https://sqlpd.com/)
diff --git a/docs/index.md b/docs/index.md
index 61ea1bf2..634863f2 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -11,9 +11,9 @@ A curated list of awesome references collected since 2018. Microservices archite
[{: style="width:7%"}](https://www.youtube.com/user/IBMCloud) [{: style="width:7%"}](https://www.youtube.com/user/AmazonWebServices) [{: style="width:7%"}](https://www.youtube.com/user/googlecloudplatform/) [{: style="width:7%"}](https://www.youtube.com/user/windowsazure) [{: style="width:7%"}](https://www.youtube.com/channel/UC60OcDzeEtn194-UPYNJs8A) [{: style="width:7%"}](https://www.youtube.com/user/DigitalOceanVideos) [{: style="width:7%"}](https://www.youtube.com/cloudflare) [{: style="width:7%"}](https://www.youtube.com/user/OpenStackFoundation) [{: style="width:7%"}](https://www.youtube.com/channel/UC-AdvAxaagE9W2f0webyNUQ) [{: style="width:7%"}](https://www.youtube.com/channel/UC2Dhyn4Ev52YSbcpfnfP0Mw) [{: style="width:7%"}](https://www.youtube.com/channel/UC5qMsRjObu685rTBq0PJX8w)
[{: style="width:7%"}](https://www.youtube.com/c/dzone/) [{: style="width:7%"}](https://www.youtube.com/channel/UC4pLFely0-Odea4B2NL1nWA) [{: style="width:7%"}](https://www.youtube.com/channel/UCYCwgQAMm9sTJv0rgwQLCxw) [{: style="width:7%"}](https://www.youtube.com/channel/UC-zVlo1F3mUbExQ96fABWcQ) [{: style="width:7%"}](https://www.youtube.com/user/elasticsearch) [{: style="width:7%"}](https://www.youtube.com/channel/UCcYJ-5q_AfmjQ4XTjTS0o3g) [{: style="width:7%"}](https://www.youtube.com/channel/UCTL2V4fqMMERSWQa1kT4EMw) [{: style="width:7%"}](https://www.youtube.com/user/NewRelicInc) [{: style="width:7%"}](https://www.youtube.com/channel/UC8uN3yhpeBeerGNwDiQbcgw) [{: style="width:7%"}](https://www.youtube.com/c/WeaveWorksInc) [{: style="width:7%"}](https://www.youtube.com)
[{: style="width:7%"}](https://www.youtube.com/user/GoAtlassian) [{: style="width:7%"}](https://www.youtube.com/channel/UCs5Y5_7XK8HLDX0SLNwkd3w) [{: style="width:7%"}](https://www.youtube.com/user/github) [{: style="width:7%"}](https://www.youtube.com/channel/UCnMGQ8QHMAnVIsI3xJrihhg) [{: style="width:7%"}](https://www.youtube.com/channel/UCp06FAzrFalo3txskS1gCfA) [{: style="width:7%"}](https://www.youtube.com/channel/UCin9nv7mUjoqrRiwrzS5UVQ) [{: style="width:7%"}](https://www.youtube.com/channel/UCY3YECgeBcLCzIrFLP4gblw) [{: style="width:7%"}](https://www.youtube.com/channel/UCNR05H72hi692y01bWaFXNA) [{: style="width:7%"}](https://www.youtube.com/user/officevideos) [{: style="width:7%"}](https://www.youtube.com/channel/UCpDojas1X9ccix4mxadabpw) [{: style="width:7%"}](https://www.youtube.com/user/DEISERCHANNEL)
-[{: style="width:7%"}](https://www.youtube.com/channel/UCp8lLM2JP_1pv6E0NQ38pqw) [{: style="width:7%"}](https://www.youtube.com/c/Devopsdotcom) [{: style="width:7%"}](https://www.youtube.com/user/xebialabs) [{: style="width:7%"}](https://www.youtube.com/channel/UCOnioSzUZS-ZqsRnf38V2nA) [{: style="width:7%"}](https://www.youtube.com/channel/UC5CMtpogD_P3mOoeiDHD5eQ) [{: style="width:7%"}](https://www.youtube.com/user/coursera) [{: style="width:7%"}](https://www.youtube.com/channel/UCSJbGtTlrDami-tDGPUV9-w) [{: style="width:7%"}](https://www.youtube.com/user/guru99com) [{: style="width:7%"}](https://www.youtube.com/CodelyTV) [{: style="width:7%"}](https://www.youtube.com/user/intellipaaat) [{: style="width:7%"}](https://www.youtube.com)
+[{: style="width:7%"}](https://www.youtube.com/channel/UC7noUdfWp-ukXUlAsJnSm-Q/) [{: style="width:7%"}](https://www.youtube.com/user/SpringSourceDev) [{: style="width:7%"}](https://www.youtube.com/channel/UCaW8QG_QoIk_FnjLgr5eOqg) [{: style="width:7%"}](https://www.youtube.com/channel/UCcxTiKb1h2lY_gpTCDgXn1g) [{: style="width:7%"}](https://www.youtube.com/channel/UCocudCGVb3MmhWQ1aoIgUQw) [{: style="width:7%"}](https://www.youtube.com/user/SmartBearSoftware) [{: style="width:7%"}](https://www.youtube.com/user/artifrog) [{: style="width:7%"}](https://www.youtube.com/user/sonatype) [{: style="width:7%"}](https://www.youtube.com/channel/UCS5-gTYteN9rnFd98YxYtrA) [{: style="width:7%"}](https://www.youtube.com/user/ChromeDevelopers) [{: style="width:7%"}](https://www.youtube.com/channel/UCh5UlGiu9d6LegIeUCW4N1w)
[{: style="width:7%"}](https://www.youtube.com/channel/UCooRnlDz6VLAbFyKIChz4fg) [{: style="width:7%"}](https://www.youtube.com/channel/UCxObRDZ0DtaQe_cCP-dN-xg) [{: style="width:7%"}](https://www.youtube.com/channel/UCc-m3P54YDVTjtMUJlmAuow) [{: style="width:7%"}](https://www.youtube.com/user/MongoDB) [{: style="width:7%"}](https://www.youtube.com/channel/UCD78lHSwYqMlyetR0_P4Vig/) [{: style="width:7%"}](https://www.youtube.com/channel/UCmZz-Gj3caLLzEWBtbYUXaA) [{: style="width:7%"}](https://www.youtube.com/channel/UCud7fErZAyMC6lHT_cWZNfA) [{: style="width:7%"}](https://www.youtube.com/channel/UC3ywadaAUQ1FI4YsHZ8wa0g) [{: style="width:7%"}](https://www.youtube.com/channel/UCm63IQg81KP9vXRWSHQpu1w) [{: style="width:7%"}](https://www.youtube.com/channel/UCt7N400Z8gB_3yKq1qrjP2w) [{: style="width:7%"}](https://www.youtube.com/c/Portworx)
-[{: style="width:7%"}](https://www.youtube.com/channel/UC7noUdfWp-ukXUlAsJnSm-Q/) [{: style="width:7%"}](https://www.youtube.com/user/SpringSourceDev) [{: style="width:7%"}](https://www.youtube.com/channel/UCaW8QG_QoIk_FnjLgr5eOqg) [{: style="width:7%"}](https://www.youtube.com/channel/UCcxTiKb1h2lY_gpTCDgXn1g) [{: style="width:7%"}](https://www.youtube.com/channel/UCocudCGVb3MmhWQ1aoIgUQw) [{: style="width:7%"}](https://www.youtube.com/user/SmartBearSoftware) [{: style="width:7%"}](https://www.youtube.com/user/artifrog) [{: style="width:7%"}](https://www.youtube.com/user/sonatype) [{: style="width:7%"}](https://www.youtube.com/channel/UCS5-gTYteN9rnFd98YxYtrA) [{: style="width:7%"}](https://www.youtube.com/user/ChromeDevelopers) [{: style="width:7%"}](https://www.youtube.com/channel/UCh5UlGiu9d6LegIeUCW4N1w)
+[{: style="width:7%"}](https://www.youtube.com/channel/UCp8lLM2JP_1pv6E0NQ38pqw) [{: style="width:7%"}](https://www.youtube.com/c/Devopsdotcom) [{: style="width:7%"}](https://www.youtube.com/user/xebialabs) [{: style="width:7%"}](https://www.youtube.com/channel/UCOnioSzUZS-ZqsRnf38V2nA) [{: style="width:7%"}](https://www.youtube.com/channel/UC5CMtpogD_P3mOoeiDHD5eQ) [{: style="width:7%"}](https://www.youtube.com/user/coursera) [{: style="width:7%"}](https://www.youtube.com/channel/UCSJbGtTlrDami-tDGPUV9-w) [{: style="width:7%"}](https://www.youtube.com/user/guru99com) [{: style="width:7%"}](https://www.youtube.com/CodelyTV) [{: style="width:7%"}](https://www.youtube.com/user/intellipaaat) [{: style="width:7%"}](https://www.youtube.com)
---
@@ -142,7 +142,7 @@ A curated list of awesome references collected since 2018. Microservices archite
- [Visual Studio Code π](visual-studio.md)
- [WSL: Linux Dev Environment on Windows](linux-dev-env.md)
- [Scaffolding Tools](scaffolding.md)
-- [Chrome DevTools & Firefox DevTools](ChromeDevTools.md)
+- [Chrome & Firefox DevTools. HTTP Protocols & WebSockets](ChromeDevTools.md)
## Public Cloud
- [Public Cloud Solutions](public-cloud-solutions.md)
- [Edge Computing](edge-computing.md)
diff --git a/mkdocs.yml b/mkdocs.yml
index 5541381d..5bc34dd4 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -139,7 +139,7 @@ nav:
- Visual Studio Code: visual-studio.md
- WSL - Linux Dev Environment on Windows: linux-dev-env.md
- Scaffolding Tools: scaffolding.md
- - Chrome DevTools & Firefox DevTools: ChromeDevTools.md
+ - Chrome & Firefox DevTools. HTTP Protocols & WebSockets: ChromeDevTools.md
- Public Cloud:
- Public Cloud Solutions: public-cloud-solutions.md
- Edge Computing: edge-computing.md