Update various links

Update links to avoid redirects, and fix links
with 404 fails

doc/administration/monitoring/performance/grafana_configuration.md

@@ -17,7 +17,7 @@ services.
 
 [GitLab Omnibus can help you install Grafana (recommended)](https://docs.gitlab.com/omnibus/settings/grafana.html)
 or Grafana supplies package repositories (Yum/Apt) for easy installation.
-See [Grafana installation documentation](https://grafana.com/docs/installation/)
+See [Grafana installation documentation](https://grafana.com/docs/grafana/latest/installation/)
 for detailed steps.
 
 NOTE: **Note:**
@@ -152,13 +152,13 @@ However, you should **not** reinstate your old data _except_ under one of the fo
 If you require access to your old Grafana data but do not meet one of these criteria, you may consider:
 
 1. Reinstating it temporarily.
-1. [Exporting the dashboards](https://grafana.com/docs/reference/export_import/#exporting-a-dashboard) you need.
-1. Refreshing the data and [re-importing your dashboards](https://grafana.com/docs/reference/export_import/#importing-a-dashboard).
+1. [Exporting the dashboards](https://grafana.com/docs/grafana/latest/reference/export_import/#exporting-a-dashboard) you need.
+1. Refreshing the data and [re-importing your dashboards](https://grafana.com/docs/grafana/latest/reference/export_import/#importing-a-dashboard).
 
 DANGER: **Danger:**
 This poses a temporary vulnerability while your old Grafana data is in use and the decision to do so should be weighed carefully with your need to access existing data and dashboards.
 
-For more information and further mitigation details, please refer to our [blog post on the security release](https://about.gitlab.com/blog/2019/08/12/critical-security-release-gitlab-12-dot-1-dot-6-released/).
+For more information and further mitigation details, please refer to our [blog post on the security release](https://about.gitlab.com/releases/2019/08/12/critical-security-release-gitlab-12-dot-1-dot-6-released/).
 
 ---
 

doc/api/oauth2.md

@@ -32,7 +32,7 @@ CAUTION: **Important:**
 OAuth specification advises sending the `state` parameter with each request to
 `/oauth/authorize`. We highly recommended sending a unique value with each request
 and validate it against the one in the redirect request. This is important in
-order to prevent [CSRF attacks](https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF)).
+order to prevent [CSRF attacks](https://wiki.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF)).
 The `state` parameter really should have been a requirement in the standard!
 
 In the following sections you will find detailed instructions on how to obtain

doc/api/pages.md

 # Pages API
 
-Endpoints for managing [GitLab Pages](https://about.gitlab.com/product/pages/).
+Endpoints for managing [GitLab Pages](https://about.gitlab.com/stages-devops-lifecycle/pages/).
 
 The GitLab Pages feature must be enabled to use these endpoints. Find out more about [administering](../administration/pages/index.md) and [using](../user/project/pages/index.md) the feature.
 

doc/api/pages_domains.md

 # Pages domains API
 
-Endpoints for connecting custom domain(s) and TLS certificates in [GitLab Pages](https://about.gitlab.com/product/pages/).
+Endpoints for connecting custom domain(s) and TLS certificates in [GitLab Pages](https://about.gitlab.com/stages-devops-lifecycle/pages/).
 
 The GitLab Pages feature must be enabled to use these endpoints. Find out more about [administering](../administration/pages/index.md) and [using](../user/project/pages/index.md) the feature.
 

doc/ci/examples/artifactory_and_gitlab/index.md

@@ -20,7 +20,7 @@ You'll create two different projects:
 - `simple-maven-dep`: the app built and deployed to Artifactory (see the [simple-maven-dep](https://gitlab.com/gitlab-examples/maven/simple-maven-dep) example project)
 - `simple-maven-app`: the app using the previous one as a dependency (see the [simple-maven-app](https://gitlab.com/gitlab-examples/maven/simple-maven-app) example project)
 
-We assume that you already have a GitLab account on [GitLab.com](https://gitlab.com/), and that you know the basic usage of Git and [GitLab CI/CD](https://about.gitlab.com/product/continuous-integration/).
+We assume that you already have a GitLab account on [GitLab.com](https://gitlab.com/), and that you know the basic usage of Git and [GitLab CI/CD](https://about.gitlab.com/stages-devops-lifecycle/continuous-integration/).
 We also assume that an Artifactory instance is available and reachable from the internet, and that you have valid credentials to deploy on it.
 
 ## Create the simple Maven dependency
@@ -104,7 +104,7 @@ parameter in `.gitlab-ci.yml` to use the custom location instead of the default
 
 ### Configure GitLab CI/CD for `simple-maven-dep`
 
-Now it's time we set up [GitLab CI/CD](https://about.gitlab.com/product/continuous-integration/) to automatically build, test and deploy the dependency!
+Now it's time we set up [GitLab CI/CD](https://about.gitlab.com/stages-devops-lifecycle/continuous-integration/) to automatically build, test and deploy the dependency!
 
 GitLab CI/CD uses a file in the root of the repo, named `.gitlab-ci.yml`, to read the definitions for jobs
 that will be executed by the configured GitLab Runners. You can read more about this file in the [GitLab Documentation](../../yaml/README.md).
@@ -233,7 +233,7 @@ Now you are ready to use the Artifactory repository to resolve dependencies and
 
 You need a last step to have everything in place: configure the `.gitlab-ci.yml` file for this project, as you already did for `simple-maven-dep`.
 
-You want to leverage [GitLab CI/CD](https://about.gitlab.com/product/continuous-integration/) to automatically build, test and run your awesome application,
+You want to leverage [GitLab CI/CD](https://about.gitlab.com/stages-devops-lifecycle/continuous-integration/) to automatically build, test and run your awesome application,
 and see if you can get the greeting as expected!
 
 All you need to do is to add the following `.gitlab-ci.yml` to the repo:

doc/development/documentation/index.md

@@ -58,7 +58,7 @@ However, anyone can contribute [documentation improvements](improvement-workflow
 ## Markdown and styles
 
 [GitLab docs](https://gitlab.com/gitlab-org/gitlab-docs) uses [GitLab Kramdown](https://gitlab.com/gitlab-org/gitlab_kramdown)
-as its Markdown rendering engine. See the [GitLab Markdown Guide](https://about.gitlab.com/handbook/product/technical-writing/markdown-guide/) for a complete Kramdown reference.
+as its Markdown rendering engine. See the [GitLab Markdown Guide](https://about.gitlab.com/handbook/engineering/ux/technical-writing/markdown-guide/) for a complete Kramdown reference.
 
 Adhere to the [Documentation Style Guide](styleguide.md). If a style standard is missing, you are welcome to suggest one via a merge request.
 
@@ -523,7 +523,7 @@ A file with `proselint` configuration must be placed in a
 [markdownlint](https://github.com/DavidAnson/markdownlint) checks that Markdown
 syntax follows [certain rules](https://github.com/DavidAnson/markdownlint/blob/master/doc/Rules.md#rules),
 and is used by the [`docs-lint` test](#testing) with a [configuration file](#markdownlint-configuration).
-Our [Documentation Style Guide](styleguide.md#markdown) and [Markdown Guide](https://about.gitlab.com/handbook/product/technical-writing/markdown-guide/)
+Our [Documentation Style Guide](styleguide.md#markdown) and [Markdown Guide](https://about.gitlab.com/handbook/engineering/ux/technical-writing/markdown-guide/)
 elaborate on which choices must be made when selecting Markdown syntax for GitLab
 documentation. This tool helps catch deviations from those guidelines.
 

doc/development/documentation/styleguide.md

@@ -96,7 +96,7 @@ Having a knowledge base in any form that is separate from the documentation woul
 
 All GitLab documentation is written using [Markdown](https://en.wikipedia.org/wiki/Markdown).
 
-The [documentation website](https://docs.gitlab.com) uses GitLab Kramdown as its Markdown rendering engine. For a complete Kramdown reference, see the [GitLab Markdown Kramdown Guide](https://about.gitlab.com/handbook/product/technical-writing/markdown-guide/).
+The [documentation website](https://docs.gitlab.com) uses GitLab Kramdown as its Markdown rendering engine. For a complete Kramdown reference, see the [GitLab Markdown Kramdown Guide](https://about.gitlab.com/handbook/engineering/ux/technical-writing/markdown-guide/).
 
 The [`gitlab-kramdown`](https://gitlab.com/gitlab-org/gitlab_kramdown)
 Ruby gem will support all [GFM markup](../../user/markdown.md) in the future. That is,
@@ -890,7 +890,7 @@ of language classes available.
 | `xml`                   |                                                                              |
 | `yaml`                  | Alias: `yml`.                                                                |
 
-For a complete reference on code blocks, check the [Kramdown guide](https://about.gitlab.com/handbook/product/technical-writing/markdown-guide/#code-blocks).
+For a complete reference on code blocks, check the [Kramdown guide](https://about.gitlab.com/handbook/engineering/ux/technical-writing/markdown-guide/#code-blocks).
 
 ## GitLab SVG icons
 
@@ -1160,7 +1160,7 @@ introduced the change for reference. Also, they can easily understand what
 features they have in their GitLab instance and version, given that the note has
 some key information.
 
-`[Introduced](link-to-issue) in [GitLab Premium](https://about.gitlab.com/pricing) 12.7`
+`[Introduced](link-to-issue) in [GitLab Premium](https://about.gitlab.com/pricing/) 12.7`
 links to the issue that introduced the feature, says which GitLab tier it
 belongs to, says the GitLab version that it became available in, and links to
 the pricing page in case the user wants to upgrade to a paid tier

doc/development/documentation/workflow.md

@@ -91,7 +91,7 @@ the Product Manager and Technical Writer for a given issue:
   including:
   - Documentation [Structure and template](structure.md) page.
   - [Style Guide](styleguide.md).
-  - [Markdown Guide](https://about.gitlab.com/handbook/product/technical-writing/markdown-guide/).
+  - [Markdown Guide](https://about.gitlab.com/handbook/engineering/ux/technical-writing/markdown-guide/).
 - Contact the Technical Writer for the relevant [DevOps stage](https://about.gitlab.com/handbook/product/technical-writing/index.html#assignments)
   in your issue or merge request, or within `#docs` on GitLab Slack, if you:
   - Need any help to choose the correct place for documentation.
@@ -408,7 +408,7 @@ To update GitLab documentation:
 1. Follow the described standards and processes listed on the page, including:
    - The [Structure and template](structure.md) page.
    - The [Style Guide](styleguide.md).
-   - The [Markdown Guide](https://about.gitlab.com/handbook/product/technical-writing/markdown-guide/).
+   - The [Markdown Guide](https://about.gitlab.com/handbook/engineering/ux/technical-writing/markdown-guide/).
 1. Follow GitLab's [Merge Request Guidelines](../contributing/merge_request_workflow.md#merge-request-guidelines).
 
 TIP: **Tip:**

doc/development/integrations/secure_partner_integration.md

 # Secure Partner Integration - Onboarding Process
 
-If you want to integrate your product with the [Secure Stage](https://about.gitlab.com/direction/secure),
+If you want to integrate your product with the [Secure Stage](https://about.gitlab.com/direction/secure/),
 this page will help you understand the developer workflow GitLab intends for
 our users to follow with regards to security results. These should be used as
 guidelines so you can build an integration that fits with the workflow GitLab
@@ -56,12 +56,12 @@ best place to integrate your own product and its results into GitLab.
 This section describes the steps you need to complete to onboard as a partner
 and complete an intgration with the Secure stage.
 
-1. Read about our [partnerships](https://about.gitlab.com/partners/integrate/index.md).
+1. Read about our [partnerships](https://about.gitlab.com/partners/integrate/).
 1. [Create an issue](https://gitlab.com/gitlab-com/alliances/alliances/issues/new?issuable_template=new_partner)
    using our new partner issue template to begin the discussion.
 1. Get a test account to begin developing your integration. You can
-   request a [GitLab.com Gold Subscription Sandbox](https://about.gitlab.com/partners/integrate/index.md#gitlabcom-gold-subscription-sandbox-request)
-   or an [EE Developer License](https://about.gitlab.com/partners/integrate/index.md#requesting-ee-dev-license-for-rd).
+   request a [GitLab.com Gold Subscription Sandbox](https://about.gitlab.com/partners/integrate/#gitlabcom-gold-subscription-sandbox-request)
+   or an [EE Developer License](https://about.gitlab.com/partners/integrate/#requesting-ee-dev-license-for-rd).
 1. Provide a [pipeline job](../../development/pipelines.md)
    template that users could integrate into their own GitLab pipelines.
 1. Create a report artifact with your pipeline jobs.
@@ -90,13 +90,13 @@ and complete an intgration with the Secure stage.
      interface.
 1. Demo the integration to GitLab:
    - After you have tested and are ready to demo your integration please
-   [reach out](https://about.gitlab.com/partners/integrate/index.md) to us. If you
+     [reach out](https://about.gitlab.com/partners/integrate/) to us. If you
      skip this step you won’t be able to do supported marketing.
 1. Begin doing supported marketing of your GitLab integration.
-   - Work with our [partner team](https://about.gitlab.com/partners/integrate/index.md)
+   - Work with our [partner team](https://about.gitlab.com/partners/integrate/)
      to support your go-to-market as appropriate.
-   - Examples of supported marketing could include being listed on our [Security Partner page](https://about.gitlab.com/partners/index.md#security),
-   doing an [Unfiltered blog post](https://about.gitlab.com/handbook/marketing/blog/unfiltered/index.md),
+   - Examples of supported marketing could include being listed on our [Security Partner page](https://about.gitlab.com/partners/#security),
+     doing an [Unfiltered blog post](https://about.gitlab.com/handbook/marketing/blog/unfiltered/),
      doing a co-branded webinar, or producing a co-branded whitepaper.
 
 If you have any issues while working through your integration or the steps

doc/development/scalability.md

@@ -128,7 +128,7 @@ replica if its replication lag is low (e.g. WAL data behind by < 100
 megabytes).
 
 More [details are in a blog
-post](https://about.gitlab.com/2017/10/02/scaling-the-gitlab-database/).
+post](https://about.gitlab.com/blog/2017/10/02/scaling-the-gitlab-database/).
 
 ### PgBouncer
 

doc/development/shell_commands.md

@@ -6,7 +6,7 @@ These guidelines are meant to make your code more reliable _and_ secure.
 ## References
 
 - [Google Ruby Security Reviewer's Guide](https://code.google.com/archive/p/ruby-security/wikis/Guide.wiki)
-- [OWASP Command Injection](https://www.owasp.org/index.php/Command_Injection)
+- [OWASP Command Injection](https://wiki.owasp.org/index.php/Command_Injection)
 - [Ruby on Rails Security Guide Command Line Injection](https://guides.rubyonrails.org/security.html#command-line-injection)
 
 ## Use File and FileUtils instead of shell commands

doc/development/testing_guide/end_to_end/quick_start_guide.md

@@ -53,7 +53,7 @@ The GitLab QA end-to-end tests are organized by the different [stages in the Dev
 
 > There may be sub-directories inside the stages directories, for different features. For example: `.../browser_ui/2_plan/ee_epics/` and `.../browser_ui/2_plan/issues/`.
 
-Now, let's say we want to create tests for the [scoped labels](https://about.gitlab.com/blog/2019/04/22/gitlab-11-10-released/#scoped-labels) feature, available on GitLab EE Premium (this feature is part of the Plan stage.)
+Now, let's say we want to create tests for the [scoped labels](https://about.gitlab.com/releases/2019/04/22/gitlab-11-10-released/#scoped-labels) feature, available on GitLab EE Premium (this feature is part of the Plan stage.)
 
 > Because these tests are for a feature available only on GitLab EE, we need to create them in the [EE repository](https://gitlab.com/gitlab-org/gitlab).
 

doc/install/installation.md

@@ -888,7 +888,7 @@ See the [OmniAuth integration documentation](../integration/omniauth.md).
 ### Build your projects
 
 GitLab can build your projects. To enable that feature, you need GitLab Runners to do that for you.
-See the [GitLab Runner section](https://about.gitlab.com/product/continuous-integration/#gitlab-runner) to install it.
+See the [GitLab Runner section](https://about.gitlab.com/stages-devops-lifecycle/continuous-integration/#gitlab-runner) to install it.
 
 ### Adding your Trusted Proxies
 

doc/policy/maintenance.md

@@ -5,7 +5,7 @@ type: concepts
 # GitLab Release and Maintenance Policy
 
 GitLab has strict policies governing version naming, as well as release pace for major, minor,
-patch and security releases. New releases are usually announced on the [GitLab blog](https://about.gitlab.com/blog/categories/releases/).
+patch and security releases. New releases are usually announced on the [GitLab blog](https://about.gitlab.com/releases/categories/releases/).
 
 Our current policy is:
 
@@ -103,13 +103,13 @@ Security releases are a special kind of patch release that only include security
 fixes and patches (see below) for the previous two monthly releases in addition to the current stable release.
 
 For very serious security issues, there is
-[precedent](https://about.gitlab.com/blog/2016/05/02/cve-2016-4340-patches/)
+[precedent](https://about.gitlab.com/releases/2016/05/02/cve-2016-4340-patches/)
 to backport security fixes to even more monthly releases of GitLab.
 This decision is made on a case-by-case basis.
 
 ## Upgrade recommendations
 
-We encourage everyone to run the [latest stable release](https://about.gitlab.com/blog/categories/releases/) to ensure that you can
+We encourage everyone to run the [latest stable release](https://about.gitlab.com/releases/categories/releases/) to ensure that you can
 easily upgrade to the most secure and feature-rich GitLab experience. In order
 to make sure you can easily run the most recent stable release, we are working
 hard to keep the update process simple and reliable.

doc/subscriptions/index.md

@@ -239,7 +239,7 @@ The following will be emailed to you:
 
 ### Seat Link
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/208832) in [GitLab Starter](https://about.gitlab.com/pricing) 12.9.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/208832) in [GitLab Starter](https://about.gitlab.com/pricing/) 12.9.
 
 Seat Link allows us to provide our self-managed customers with prorated charges for user growth throughout the year using a quarterly reconciliation process.
 

doc/topics/web_application_firewall/index.md

@@ -73,14 +73,14 @@ more advanced rules around threat detection.
 ModSecurity is enabled with the [OWASP Core Rule Set (CRS)](https://modsecurity.org/crs/) by
 default. The OWASP CRS logs attempts to the following attacks:
 
-- [SQL Injection](https://www.owasp.org/index.php/OWASP_Periodic_Table_of_Vulnerabilities_-_SQL_Injection)
-- [Cross-Site Scripting](https://www.owasp.org/index.php/OWASP_Periodic_Table_of_Vulnerabilities_-_Cross-Site_Scripting_(XSS))
-- [Local File Inclusion](https://www.owasp.org/index.php/Testing_for_Local_File_Inclusion)
-- [Remote File Inclusion](https://www.owasp.org/index.php/OWASP_Periodic_Table_of_Vulnerabilities_-_Remote_File_Inclusion)
-- [Code Injection](https://www.owasp.org/index.php/Code_Injection)
-- [Session Fixation](https://www.owasp.org/index.php/Session_fixation)
-- [Scanner Detection](https://www.owasp.org/index.php/Category:Vulnerability_Scanning_Tools)
-- [Metadata/Error Leakages](https://www.owasp.org/index.php/Improper_Error_Handling)
+- [SQL Injection](https://wiki.owasp.org/index.php/OWASP_Periodic_Table_of_Vulnerabilities_-_SQL_Injection)
+- [Cross-Site Scripting](https://wiki.owasp.org/index.php/OWASP_Periodic_Table_of_Vulnerabilities_-_Cross-Site_Scripting_(XSS))
+- [Local File Inclusion](https://wiki.owasp.org/index.php/Testing_for_Local_File_Inclusion)
+- [Remote File Inclusion](https://wiki.owasp.org/index.php/OWASP_Periodic_Table_of_Vulnerabilities_-_Remote_File_Inclusion)
+- [Code Injection](https://wiki.owasp.org/index.php/Code_Injection)
+- [Session Fixation](https://wiki.owasp.org/index.php/Session_fixation)
+- [Scanner Detection](https://wiki.owasp.org/index.php/Category:Vulnerability_Scanning_Tools)
+- [Metadata/Error Leakages](https://wiki.owasp.org/index.php/Improper_Error_Handling)
 
 It is good to have a basic knowledge of the following:
 

doc/university/README.md

@@ -99,7 +99,7 @@ The GitLab University curriculum is composed of GitLab videos, screencasts, pres
 1. [Due Dates and Milestones for GitLab Issues](https://about.gitlab.com/blog/2016/08/05/feature-highlight-set-dates-for-issues/)
 1. [How to Use GitLab Labels](https://about.gitlab.com/blog/2016/08/17/using-gitlab-labels/)
 1. [Applying GitLab Labels Automatically](https://about.gitlab.com/blog/2016/08/19/applying-gitlab-labels-automatically/)
-1. [GitLab Issue Board - Product Page](https://about.gitlab.com/product/issueboard/)
+1. [GitLab Issue Board - Product Page](https://about.gitlab.com/stages-devops-lifecycle/issueboard/)
 1. [An Overview of GitLab Issue Board](https://about.gitlab.com/blog/2016/08/22/announcing-the-gitlab-issue-board/)
 1. [Designing GitLab Issue Board](https://about.gitlab.com/blog/2016/08/31/designing-issue-boards/)
 1. [From Idea to Production with GitLab - Video](https://www.youtube.com/watch?v=25pHyknRgEo&index=14&list=PLFGfElNsQthbQu_IWlNOxul0TbS_2JH-e)
@@ -107,7 +107,7 @@ The GitLab University curriculum is composed of GitLab videos, screencasts, pres
 ### 2.3. Continuous Integration
 
 1. [Operating Systems, Servers, VMs, Containers and Unix - Video](https://www.youtube.com/watch?v=V61kL6IC-zY&index=8&list=PLFGfElNsQthbQu_IWlNOxul0TbS_2JH-e)
-1. [GitLab CI - Product Page](https://about.gitlab.com/product/continuous-integration/)
+1. [GitLab CI - Product Page](https://about.gitlab.com/stages-devops-lifecycle/continuous-integration/)
 1. [Getting started with GitLab and GitLab CI](https://about.gitlab.com/blog/2015/12/14/getting-started-with-gitlab-and-gitlab-ci/)
 1. [GitLab Container Registry](https://about.gitlab.com/blog/2016/05/23/gitlab-container-registry/)
 1. [GitLab and Docker - Video](https://www.youtube.com/watch?v=ugOrCcbdHko&index=12&list=PLFGfElNsQthbQu_IWlNOxul0TbS_2JH-e)
@@ -181,7 +181,7 @@ The GitLab University curriculum is composed of GitLab videos, screencasts, pres
 ### 3.8 Cycle Analytics
 
 1. [GitLab Cycle Analytics Overview](https://about.gitlab.com/blog/2016/09/21/cycle-analytics-feature-highlight/)
-1. [GitLab Cycle Analytics - Product Page](https://about.gitlab.com/product/cycle-analytics/)
+1. [GitLab Cycle Analytics - Product Page](https://about.gitlab.com/stages-devops-lifecycle/cycle-analytics/)
 
 ### 3.9. Integrations
 

doc/user/admin_area/settings/account_and_limit_settings.md

@@ -17,7 +17,7 @@ details.
 
 ## Repository size limit **(STARTER ONLY)**
 
-> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/740) in [GitLab Enterprise Edition 8.12](https://about.gitlab.com/blog/2016/09/22/gitlab-8-12-released/#limit-project-size-ee).
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/740) in [GitLab Enterprise Edition 8.12](https://about.gitlab.com/releases/2016/09/22/gitlab-8-12-released/#limit-project-size-ee).
 > Available in [GitLab Starter](https://about.gitlab.com/pricing/).
 
 Repositories within your GitLab instance can grow quickly, especially if you are

doc/user/analytics/value_stream_analytics.md

@@ -300,6 +300,6 @@ For Value Stream Analytics functionality introduced in GitLab 12.3 and later:
 
 Learn more about Value Stream Analytics in the following resources:
 
-- [Value Stream Analytics feature page](https://about.gitlab.com/product/cycle-analytics/).
+- [Value Stream Analytics feature page](https://about.gitlab.com/stages-devops-lifecycle/cycle-analytics/).
 - [Value Stream Analytics feature preview](https://about.gitlab.com/blog/2016/09/16/feature-preview-introducing-cycle-analytics/).
 - [Value Stream Analytics feature highlight](https://about.gitlab.com/blog/2016/09/21/cycle-analytics-feature-highlight/).

doc/user/gitlab_com/index.md

@@ -52,7 +52,7 @@ Host gitlab.com
 
 ## GitLab Pages
 
-Below are the settings for [GitLab Pages](https://about.gitlab.com/product/pages/).
+Below are the settings for [GitLab Pages](https://about.gitlab.com/stages-devops-lifecycle/pages/).
 
 | Setting                     | GitLab.com        | Default       |
 | --------------------------- | ----------------  | ------------- |

doc/user/group/index.md

@@ -17,7 +17,7 @@ Find your groups by clicking **Groups > Your Groups** in the top navigation.
 
 ![GitLab Groups](img/groups.png)
 
-> The **Groups** dropdown in the top navigation was [introduced](https://gitlab.com/gitlab-org/gitlab-foss/issues/36234) in [GitLab 11.1](https://about.gitlab.com/blog/2018/07/22/gitlab-11-1-released/#groups-dropdown-in-navigation).
+> The **Groups** dropdown in the top navigation was [introduced](https://gitlab.com/gitlab-org/gitlab-foss/issues/36234) in [GitLab 11.1](https://about.gitlab.com/releases/2018/07/22/gitlab-11-1-released/#groups-dropdown-in-navigation).
 
 The **Groups** page displays:
 

doc/user/markdown.md

@@ -5,7 +5,7 @@ It is **not** valid for the [GitLab documentation website](https://docs.gitlab.c
 or [GitLab's main website](https://about.gitlab.com), as they both use
 [Kramdown](https://kramdown.gettalong.org) as their Markdown engine. The documentation
 website uses an extended Kramdown gem, [GitLab Kramdown](https://gitlab.com/gitlab-org/gitlab_kramdown).
-Consult the [GitLab Kramdown Guide](https://about.gitlab.com/handbook/product/technical-writing/markdown-guide/)
+Consult the [GitLab Kramdown Guide](https://about.gitlab.com/handbook/engineering/ux/technical-writing/markdown-guide/)
 for a complete Kramdown reference.
 
 NOTE: **Note:** We encourage you to view this document as [rendered by GitLab itself](https://gitlab.com/gitlab-org/gitlab/blob/master/doc/user/markdown.md).

doc/user/project/issues/crosslinking_issues.md

@@ -26,7 +26,7 @@ git commit -m "this is my commit message. Related to https://gitlab.com/<usernam
 Of course, you can replace `gitlab.com` with the URL of your own GitLab instance.
 
 NOTE: **Note:** Linking your first commit to your issue is going to be relevant
-for tracking your process with [GitLab Cycle Analytics](https://about.gitlab.com/product/cycle-analytics/).
+for tracking your process with [GitLab Cycle Analytics](https://about.gitlab.com/stages-devops-lifecycle/cycle-analytics/).
 It will measure the time taken for planning the implementation of that issue,
 which is the time between creating an issue and making the first commit.
 

doc/user/project/merge_requests/reviewing_and_managing_merge_requests.md

@@ -128,7 +128,7 @@ Set a merge request that looks ready to merge to [merge automatically when CI pi
 
 ### Live preview with Review Apps
 
-If you configured [Review Apps](https://about.gitlab.com/product/review-apps/) for your project,
+If you configured [Review Apps](https://about.gitlab.com/stages-devops-lifecycle/review-apps/) for your project,
 you can preview the changes submitted to a feature-branch through a merge request
 in a per-branch basis. No need to checkout the branch, install and preview locally;
 all your changes will be available to preview by anyone with the Review Apps link.