--- a/devtools/client/locales/en-US/netmonitor.properties
+++ b/devtools/client/locales/en-US/netmonitor.properties
@@ -313,16 +313,20 @@ charts.totalTransferredSize=Transferred 
 # LOCALIZATION NOTE (charts.cacheEnabled): This is the label displayed
 # in the performance analysis view for "cache enabled" charts.
 charts.cacheEnabled=Primed cache
 
 # LOCALIZATION NOTE (charts.cacheDisabled): This is the label displayed
 # in the performance analysis view for "cache disabled" charts.
 charts.cacheDisabled=Empty cache
 
+# LOCALIZATION NOTE (charts.learnMore): This is the label displayed
+# in the performance analysis view, with a link to external documentation.
+charts.learnMore=Learn more about performance analysis
+
 # LOCALIZATION NOTE (charts.totalSize): This is the label displayed
 # in the performance analysis view for total requests size, in kilobytes.
 charts.totalSize=Size: %S KB
 
 # LOCALIZATION NOTE (charts.totalSeconds): Semi-colon list of plural forms.
 # See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
 # This is the label displayed in the performance analysis view for the
 # total requests time, in seconds.
@@ -730,16 +734,20 @@ netmonitor.summary.address=Remote addres
 # LOCALIZATION NOTE (netmonitor.summary.status): This is the label displayed
 # in the network details headers tab identifying the status code.
 netmonitor.summary.status=Status code:
 
 # LOCALIZATION NOTE (netmonitor.summary.version): This is the label displayed
 # in the network details headers tab identifying the http version.
 netmonitor.summary.version=Version:
 
+# LOCALIZATION NOTE (netmonitor.summary.learnMore): This is the label displayed
+# in the network details headers tab, with a link to external documentation.
+netmonitor.summary.learnMore=Learn more about status code
+
 # LOCALIZATION NOTE (netmonitor.summary.editAndResend): This is the label displayed
 # on the button in the headers tab that opens a form to edit and resend the currently
 # displayed request
 netmonitor.summary.editAndResend=Edit and Resend
 
 # LOCALIZATION NOTE (netmonitor.summary.rawHeaders): This is the label displayed
 # on the button in the headers tab that toggle view for raw request/response headers
 # from the currently displayed request
@@ -799,16 +807,20 @@ netmonitor.timings.send=Sending:
 # in a "wait" state.
 netmonitor.timings.wait=Waiting:
 
 # LOCALIZATION NOTE (netmonitor.timings.receive): This is the label displayed
 # in the network details timings tab identifying the amount of time spent
 # in a "receive" state.
 netmonitor.timings.receive=Receiving:
 
+# LOCALIZATION NOTE (netmonitor.timings.learnMore): This is the label displayed
+# in the network details timings tab, with a link to external documentation
+netmonitor.timings.learnMore=Learn more about timings
+
 # LOCALIZATION NOTE (netmonitor.security.warning.cipher): A tooltip
 # for warning icon that indicates a connection uses insecure cipher suite.
 netmonitor.security.warning.cipher=The cipher used for encryption is deprecated and insecure.
 
 # LOCALIZATION NOTE (netmonitor.security.error): This is the label displayed
 # in the security tab if a security error prevented the connection.
 netmonitor.security.error=An error occurred:
 

--- a/devtools/client/netmonitor/src/components/HeadersPanel.js
+++ b/devtools/client/netmonitor/src/components/HeadersPanel.js
@@ -50,16 +50,17 @@ const HEADERS_FILTER_TEXT = L10N.getStr(
 const REQUEST_HEADERS = L10N.getStr("requestHeaders");
 const REQUEST_HEADERS_FROM_UPLOAD = L10N.getStr("requestHeadersFromUpload");
 const RESPONSE_HEADERS = L10N.getStr("responseHeaders");
 const SUMMARY_ADDRESS = L10N.getStr("netmonitor.summary.address");
 const SUMMARY_METHOD = L10N.getStr("netmonitor.summary.method");
 const SUMMARY_URL = L10N.getStr("netmonitor.summary.url");
 const SUMMARY_STATUS = L10N.getStr("netmonitor.summary.status");
 const SUMMARY_VERSION = L10N.getStr("netmonitor.summary.version");
+const SUMMARY_STATUS_LEARN_MORE = L10N.getStr("netmonitor.summary.learnMore");
 
 /**
  * Headers panel component
  * Lists basic information about the request
  */
 class HeadersPanel extends Component {
   static get propTypes() {
     return {
@@ -227,16 +228,17 @@ class HeadersPanel extends Component {
             className: "tabpanel-summary-value textbox-input devtools-monospace"
               + " status-text",
             readOnly: true,
             value: `${statusText}`,
             size: `${inputWidth}`,
           }),
           statusCodeDocURL ? MDNLink({
             url: statusCodeDocURL,
+            title: SUMMARY_STATUS_LEARN_MORE,
           }) : span({
             className: "headers-summary learn-more-link",
           }),
           button({
             className: "devtools-button edit-and-resend-button",
             onClick: cloneSelectedRequest,
           }, EDIT_AND_RESEND),
           button({

--- a/devtools/client/netmonitor/src/components/RequestListEmptyNotice.js
+++ b/devtools/client/netmonitor/src/components/RequestListEmptyNotice.js
@@ -20,16 +20,17 @@ const RequestListHeader = createFactory(
 const { button, div, span } = dom;
 
 const RELOAD_NOTICE_1 = L10N.getStr("netmonitor.reloadNotice1");
 const RELOAD_NOTICE_2 = L10N.getStr("netmonitor.reloadNotice2");
 const RELOAD_NOTICE_3 = L10N.getStr("netmonitor.reloadNotice3");
 const PERFORMANCE_NOTICE_1 = L10N.getStr("netmonitor.perfNotice1");
 const PERFORMANCE_NOTICE_2 = L10N.getStr("netmonitor.perfNotice2");
 const PERFORMANCE_NOTICE_3 = L10N.getStr("netmonitor.perfNotice3");
+const PERFORMANCE_LEARN_MORE = L10N.getStr("charts.learnMore");
 
 /**
  * UI displayed when the request list is empty. Contains instructions on reloading
  * the page and on triggering performance analysis of the page.
  */
 class RequestListEmptyNotice extends Component {
   static get propTypes() {
     return {
@@ -61,17 +62,20 @@ class RequestListEmptyNotice extends Com
         span(null, PERFORMANCE_NOTICE_1),
         button({
           title: PERFORMANCE_NOTICE_3,
           className: "devtools-button requests-list-perf-notice-button",
           "data-standalone": true,
           onClick: this.props.onPerfClick,
         }),
         span(null, PERFORMANCE_NOTICE_2),
-        MDNLink({ url: getPerformanceAnalysisURL() })
+        MDNLink({
+          url: getPerformanceAnalysisURL(),
+          title: PERFORMANCE_LEARN_MORE,
+        })
       )
     );
   }
 }
 
 module.exports = connect(
   undefined,
   (dispatch, props) => ({

--- a/devtools/client/netmonitor/src/components/StatisticsPanel.js
+++ b/devtools/client/netmonitor/src/components/StatisticsPanel.js
@@ -24,16 +24,17 @@ const MDNLink = createFactory(require("d
 
 const { button, div } = dom;
 const MediaQueryList = window.matchMedia("(min-width: 700px)");
 
 const NETWORK_ANALYSIS_PIE_CHART_DIAMETER = 200;
 const BACK_BUTTON = L10N.getStr("netmonitor.backButton");
 const CHARTS_CACHE_ENABLED = L10N.getStr("charts.cacheEnabled");
 const CHARTS_CACHE_DISABLED = L10N.getStr("charts.cacheDisabled");
+const CHARTS_LEARN_MORE = L10N.getStr("charts.learnMore");
 
 /*
  * Statistics panel component
  * Performance analysis tool which shows you how long the browser takes to
  * download the different parts of your site.
  */
 class StatisticsPanel extends Component {
   static get propTypes() {
@@ -120,17 +121,24 @@ class StatisticsPanel extends Component 
     }
 
     // MDNLink is a React component but Chart isn't.  To get the link
     // into the chart we mount a new ReactDOM at the appropriate
     // location after the chart has been created.
     const title = this.refs[chartId].querySelector(".table-chart-title");
     const containerNode = document.createElement("span");
     title.appendChild(containerNode);
-    ReactDOM.render(MDNLink({ url }), containerNode);
+
+    ReactDOM.render(
+      MDNLink({
+        url: url,
+        title: CHARTS_LEARN_MORE,
+      }),
+      containerNode
+    );
     this.mdnLinkContainerNodes.set(chartId, containerNode);
   }
 
   unmountMDNLinkContainers() {
     for (const [, node] of this.mdnLinkContainerNodes) {
       ReactDOM.unmountComponentAtNode(node);
     }
   }

--- a/devtools/client/netmonitor/src/components/TimingsPanel.js
+++ b/devtools/client/netmonitor/src/components/TimingsPanel.js
@@ -91,15 +91,16 @@ class TimingsPanel extends Component {
       );
     });
 
     return (
       div({ className: "panel-container" },
         timelines,
         MDNLink({
           url: getNetMonitorTimingsURL(),
+          title: L10N.getStr("netmonitor.timings.learnMore"),
         }),
       )
     );
   }
 }
 
 module.exports = TimingsPanel;

--- a/devtools/client/netmonitor/src/utils/mdn-utils.js
+++ b/devtools/client/netmonitor/src/utils/mdn-utils.js
@@ -187,35 +187,36 @@ function getHTTPStatusCodeURL(statusCode
 }
 
 /**
  * Get the MDN URL of the Timings tag for Network Monitor.
  *
  * @return {string} the MDN URL of the Timings tag for Network Monitor.
  */
 function getNetMonitorTimingsURL() {
-  return `${MDN_URL}Tools/Network_Monitor${getGAParams()}#Timings`;
+  return `${MDN_URL}Tools/Network_Monitor/request_details${getGAParams()}#Timings`;
 }
 
 /**
  * Get the MDN URL for Performance Analysis
  *
  * @return {string} The MDN URL for the documentation of Performance Analysis.
  */
 function getPerformanceAnalysisURL() {
-  return `${MDN_URL}Tools/Network_Monitor${getGAParams()}#Performance_analysis`;
+  return `${MDN_URL}Tools/Network_Monitor/Performance_analysis${getGAParams()}`;
 }
 
 /**
  * Get the MDN URL for Filter box
  *
  * @return {string} The MDN URL for the documentation of Filter box.
  */
 function getFilterBoxURL() {
-  return `${MDN_URL}Tools/Network_Monitor${getGAParams()}#Filtering_by_properties`;
+  return `${MDN_URL}Tools/Network_Monitor/request_list${getGAParams()}` +
+    `#Filtering_by_properties`;
 }
 
 module.exports = {
   getHeadersURL,
   getHTTPStatusCodeURL,
   getNetMonitorTimingsURL,
   getPerformanceAnalysisURL,
   getFilterBoxURL,

--- a/devtools/client/netmonitor/test/unit/test_mdn-utils.js
+++ b/devtools/client/netmonitor/test/unit/test_mdn-utils.js
@@ -13,28 +13,33 @@ function run_test() {
   const GTM_PARAMS_WC = "?utm_source=mozilla" +
     "&utm_medium=devtools-webconsole&utm_campaign=default";
 
   const {
     getHeadersURL,
     getHTTPStatusCodeURL,
     getNetMonitorTimingsURL,
     getPerformanceAnalysisURL,
+    getFilterBoxURL,
   } = require("devtools/client/netmonitor/src/utils/mdn-utils");
 
   info("Checking for supported headers");
   equal(getHeadersURL("Accept"), `${MDN_URL}Web/HTTP/Headers/Accept${GTM_PARAMS_NM}`);
   info("Checking for unsupported headers");
   equal(getHeadersURL("Width"), null);
 
   info("Checking for supported status code");
   equal(getHTTPStatusCodeURL("200", "webconsole"),
     `${MDN_URL}Web/HTTP/Status/200${GTM_PARAMS_WC}`);
   info("Checking for unsupported status code");
   equal(getHTTPStatusCodeURL("999", "webconsole"),
     `${MDN_URL}Web/HTTP/Status${GTM_PARAMS_WC}`);
 
   equal(getNetMonitorTimingsURL(),
-    `${MDN_URL}Tools/Network_Monitor${GTM_PARAMS_NM}#Timings`);
+    `${MDN_URL}Tools/Network_Monitor/request_details${GTM_PARAMS_NM}#Timings`);
 
   equal(getPerformanceAnalysisURL(),
-    `${MDN_URL}Tools/Network_Monitor${GTM_PARAMS_NM}#Performance_analysis`);
+    `${MDN_URL}Tools/Network_Monitor/Performance_analysis${GTM_PARAMS_NM}`);
+
+  equal(getFilterBoxURL(),
+    `${MDN_URL}Tools/Network_Monitor/request_list` +
+    `${GTM_PARAMS_NM}#Filtering_by_properties`);
 }