function activatePace() {
  var a,
    b,
    c,
    d,
    e,
    f,
    g,
    h,
    i,
    j,
    k,
    l,
    m,
    n,
    o,
    p,
    q,
    r,
    s,
    t,
    u,
    v,
    w,
    x,
    y,
    z,
    A,
    B,
    C,
    D,
    E,
    F,
    G,
    H,
    I,
    J,
    K,
    L,
    M,
    N,
    O,
    P,
    Q,
    R,
    S,
    T,
    U,
    V,
    W,
    X = [].slice,
    Y = {}.hasOwnProperty,
    Z = function(a, b) {
      function c() {
        this.constructor = a;
      }
      for (var d in b) Y.call(b, d) && (a[d] = b[d]);
      return (
        (c.prototype = b.prototype),
        (a.prototype = new c()),
        (a.__super__ = b.prototype),
        a
      );
    },
    $ =
      [].indexOf ||
      function(a) {
        for (var b = 0, c = this.length; c > b; b++)
          if (b in this && this[b] === a) return b;
        return -1;
      };
  for (
    u = {
      catchupTime: 100,
      initialRate: 0.03,
      minTime: 250,
      ghostTime: 100,
      maxProgressPerFrame: 20,
      easeFactor: 1.25,
      startOnPageLoad: !0,
      restartOnPushState: !0,
      restartOnRequestAfter: 500,
      target: "body",
      elements: { checkInterval: 100, selectors: ["body"] },
      eventLag: { minSamples: 10, sampleCount: 3, lagThreshold: 3 },
      ajax: { trackMethods: ["GET"], trackWebSockets: !0, ignoreURLs: [] }
    },
      C = function() {
        var a;
        return null !=
          (a =
            "undefined" != typeof performance &&
            null !== performance &&
            "function" == typeof performance.now
              ? performance.now()
              : void 0)
          ? a
          : +new Date();
      },
      E =
        window.requestAnimationFrame ||
        window.mozRequestAnimationFrame ||
        window.webkitRequestAnimationFrame ||
        window.msRequestAnimationFrame,
      t = window.cancelAnimationFrame || window.mozCancelAnimationFrame,
      null == E &&
        ((E = function(a) {
          return setTimeout(a, 50);
        }),
        (t = function(a) {
          return clearTimeout(a);
        })),
      G = function(a) {
        var b, c;
        return (
          (b = C()),
          (c = function() {
            var d;
            return (
              (d = C() - b),
              d >= 33
                ? ((b = C()),
                  a(d, function() {
                    return E(c);
                  }))
                : setTimeout(c, 33 - d)
            );
          })()
        );
      },
      F = function() {
        var a, b, c;
        return (
          (c = arguments[0]),
          (b = arguments[1]),
          (a = 3 <= arguments.length ? X.call(arguments, 2) : []),
          "function" == typeof c[b] ? c[b].apply(c, a) : c[b]
        );
      },
      v = function() {
        var a, b, c, d, e, f, g;
        for (
          b = arguments[0],
            d = 2 <= arguments.length ? X.call(arguments, 1) : [],
            f = 0,
            g = d.length;
          g > f;
          f++
        )
          if ((c = d[f]))
            for (a in c)
              Y.call(c, a) &&
                ((e = c[a]),
                null != b[a] &&
                "object" == typeof b[a] &&
                null != e &&
                "object" == typeof e
                  ? v(b[a], e)
                  : (b[a] = e));
        return b;
      },
      q = function(a) {
        var b, c, d, e, f;
        for (c = b = 0, e = 0, f = a.length; f > e; e++)
          (d = a[e]), (c += Math.abs(d)), b++;
        return c / b;
      },
      x = function(a, b) {
        var c, d, e;
        if (
          (null == a && (a = "options"),
          null == b && (b = !0),
          (e = document.querySelector("[data-pace-" + a + "]")))
        ) {
          if (((c = e.getAttribute("data-pace-" + a)), !b)) return c;
          try {
            return JSON.parse(c);
          } catch (f) {
            return (
              (d = f),
              "undefined" != typeof console && null !== console
                ? console.error("Error parsing inline pace options", d)
                : void 0
            );
          }
        }
      },
      g = (function() {
        function a() {}
        return (
          (a.prototype.on = function(a, b, c, d) {
            var e;
            return (
              null == d && (d = !1),
              null == this.bindings && (this.bindings = {}),
              null == (e = this.bindings)[a] && (e[a] = []),
              this.bindings[a].push({ handler: b, ctx: c, once: d })
            );
          }),
          (a.prototype.once = function(a, b, c) {
            return this.on(a, b, c, !0);
          }),
          (a.prototype.off = function(a, b) {
            var c, d, e;
            if (null != (null != (d = this.bindings) ? d[a] : void 0)) {
              if (null == b) return delete this.bindings[a];
              for (c = 0, e = []; c < this.bindings[a].length; )
                e.push(
                  this.bindings[a][c].handler === b
                    ? this.bindings[a].splice(c, 1)
                    : c++
                );
              return e;
            }
          }),
          (a.prototype.trigger = function() {
            var a, b, c, d, e, f, g, h, i;
            if (
              ((c = arguments[0]),
              (a = 2 <= arguments.length ? X.call(arguments, 1) : []),
              null != (g = this.bindings) ? g[c] : void 0)
            ) {
              for (e = 0, i = []; e < this.bindings[c].length; )
                (h = this.bindings[c][e]),
                  (d = h.handler),
                  (b = h.ctx),
                  (f = h.once),
                  d.apply(null != b ? b : this, a),
                  i.push(f ? this.bindings[c].splice(e, 1) : e++);
              return i;
            }
          }),
          a
        );
      })(),
      j = window.Pace || {},
      window.Pace = j,
      v(j, g.prototype),
      D = j.options = v({}, u, window.paceOptions, x()),
      U = ["ajax", "document", "eventLag", "elements"],
      Q = 0,
      S = U.length;
    S > Q;
    Q++
  )
    (K = U[Q]), D[K] === !0 && (D[K] = u[K]);
  (i = (function(a) {
    function b() {
      return (V = b.__super__.constructor.apply(this, arguments));
    }
    return Z(b, a), b;
  })(Error)),
    (b = (function() {
      function a() {
        this.progress = 0;
      }
      return (a.prototype.getElement = function() {
        var a;
        if (null == this.el) {
          if (((a = document.querySelector(D.target)), !a)) throw new i();
          (this.el = document.createElement("div")),
            (this.el.className = "pace pace-active"),
            (document.body.className = document.body.className.replace(
              /pace-done/g,
              ""
            )),
            (document.body.className += " pace-running"),
            (this.el.innerHTML =
              '<div class="pace-progress">\n  <div class="pace-progress-inner"></div>\n</div>\n<div class="pace-activity"></div>'),
            null != a.firstChild
              ? a.insertBefore(this.el, a.firstChild)
              : a.appendChild(this.el);
        }
        return this.el;
      }),
      (a.prototype.finish = function() {
        var a;
        return (
          (a = this.getElement()),
          (a.className = a.className.replace("pace-active", "")),
          (a.className += " pace-inactive"),
          (document.body.className = document.body.className.replace(
            "pace-running",
            ""
          )),
          (document.body.className += " pace-done")
        );
      }),
      (a.prototype.update = function(a) {
        return (this.progress = a), this.render();
      }),
      (a.prototype.destroy = function() {
        try {
          this.getElement().parentNode.removeChild(this.getElement());
        } catch (a) {
          i = a;
        }
        return (this.el = void 0);
      }),
      (a.prototype.render = function() {
        var a, b, c, d, e, f, g;
        if (null == document.querySelector(D.target)) return !1;
        for (
          a = this.getElement(),
            d = "translate3d(" + this.progress + "%, 0, 0)",
            g = ["webkitTransform", "msTransform", "transform"],
            e = 0,
            f = g.length;
          f > e;
          e++
        )
          (b = g[e]), (a.children[0].style[b] = d);
        return (
          (!this.lastRenderedProgress ||
            this.lastRenderedProgress | (0 !== this.progress) | 0) &&
            (a.children[0].setAttribute(
              "data-progress-text",
              "" + (0 | this.progress) + "%"
            ),
            this.progress >= 100
              ? (c = "99")
              : ((c = this.progress < 10 ? "0" : ""),
                (c += 0 | this.progress)),
            a.children[0].setAttribute("data-progress", "" + c)),
          (this.lastRenderedProgress = this.progress)
        );
      }),
      (a.prototype.done = function() {
        return this.progress >= 100;
      }),
      a;
    })()),
    (h = (function() {
      function a() {
        this.bindings = {};
      }
      return (
        (a.prototype.trigger = function(a, b) {
          var c, d, e, f, g;
          if (null != this.bindings[a]) {
            for (f = this.bindings[a], g = [], d = 0, e = f.length; e > d; d++)
              (c = f[d]), g.push(c.call(this, b));
            return g;
          }
        }),
        (a.prototype.on = function(a, b) {
          var c;
          return (
            null == (c = this.bindings)[a] && (c[a] = []),
            this.bindings[a].push(b)
          );
        }),
        a
      );
    })()),
    (P = window.XMLHttpRequest),
    (O = window.XDomainRequest),
    (N = window.WebSocket),
    (w = function(a, b) {
      var c, d, e, f;
      f = [];
      for (d in b.prototype)
        try {
          (e = b.prototype[d]),
            f.push(
              null == a[d] && "function" != typeof e ? (a[d] = e) : void 0
            );
        } catch (g) {
          c = g;
        }
      return f;
    }),
    (A = []),
    (j.ignore = function() {
      var a, b, c;
      return (
        (b = arguments[0]),
        (a = 2 <= arguments.length ? X.call(arguments, 1) : []),
        A.unshift("ignore"),
        (c = b.apply(null, a)),
        A.shift(),
        c
      );
    }),
    (j.track = function() {
      var a, b, c;
      return (
        (b = arguments[0]),
        (a = 2 <= arguments.length ? X.call(arguments, 1) : []),
        A.unshift("track"),
        (c = b.apply(null, a)),
        A.shift(),
        c
      );
    }),
    (J = function(a) {
      var b;
      if ((null == a && (a = "GET"), "track" === A[0])) return "force";
      if (!A.length && D.ajax) {
        if ("socket" === a && D.ajax.trackWebSockets) return !0;
        if (((b = a.toUpperCase()), $.call(D.ajax.trackMethods, b) >= 0))
          return !0;
      }
      return !1;
    }),
    (k = (function(a) {
      function b() {
        var a,
          c = this;
        b.__super__.constructor.apply(this, arguments),
          (a = function(a) {
            var b;
            return (
              (b = a.open),
              (a.open = function(d, e) {
                return (
                  J(d) && c.trigger("request", { type: d, url: e, request: a }),
                  b.apply(a, arguments)
                );
              })
            );
          }),
          (window.XMLHttpRequest = function(b) {
            var c;
            return (c = new P(b)), a(c), c;
          });
        try {
          w(window.XMLHttpRequest, P);
        } catch (d) {}
        if (null != O) {
          window.XDomainRequest = function() {
            var b;
            return (b = new O()), a(b), b;
          };
          try {
            w(window.XDomainRequest, O);
          } catch (d) {}
        }
        if (null != N && D.ajax.trackWebSockets) {
          window.WebSocket = function(a, b) {
            var d;
            return (
              (d = null != b ? new N(a, b) : new N(a)),
              J("socket") &&
                c.trigger("request", {
                  type: "socket",
                  url: a,
                  protocols: b,
                  request: d
                }),
              d
            );
          };
          try {
            w(window.WebSocket, N);
          } catch (d) {}
        }
      }
      return Z(b, a), b;
    })(h)),
    (R = null),
    (y = function() {
      return null == R && (R = new k()), R;
    }),
    (I = function(a) {
      var b, c, d, e;
      for (e = D.ajax.ignoreURLs, c = 0, d = e.length; d > c; c++)
        if (((b = e[c]), "string" == typeof b)) {
          if (-1 !== a.indexOf(b)) return !0;
        } else if (b.test(a)) return !0;
      return !1;
    }),
    y().on("request", function(b) {
      var c, d, e, f, g;
      return (
        (f = b.type),
        (e = b.request),
        (g = b.url),
        I(g)
          ? void 0
          : j.running || (D.restartOnRequestAfter === !1 && "force" !== J(f))
          ? void 0
          : ((d = arguments),
            (c = D.restartOnRequestAfter || 0),
            "boolean" == typeof c && (c = 0),
            setTimeout(function() {
              var b, c, g, h, i, k;
              if (
                (b =
                  "socket" === f
                    ? e.readyState < 2
                    : 0 < (h = e.readyState) && 4 > h)
              ) {
                for (
                  j.restart(), i = j.sources, k = [], c = 0, g = i.length;
                  g > c;
                  c++
                ) {
                  if (((K = i[c]), K instanceof a)) {
                    K.watch.apply(K, d);
                    break;
                  }
                  k.push(void 0);
                }
                return k;
              }
            }, c))
      );
    }),
    (a = (function() {
      function a() {
        var a = this;
        (this.elements = []),
          y().on("request", function() {
            return a.watch.apply(a, arguments);
          });
      }
      return (
        (a.prototype.watch = function(a) {
          var b, c, d, e;
          return (
            (d = a.type),
            (b = a.request),
            (e = a.url),
            I(e)
              ? void 0
              : ((c = "socket" === d ? new n(b) : new o(b)),
                this.elements.push(c))
          );
        }),
        a
      );
    })()),
    (o = (function() {
      function a(a) {
        var b,
          c,
          d,
          e,
          f,
          g,
          h = this;
        if (((this.progress = 0), null != window.ProgressEvent))
          for (
            c = null,
              a.addEventListener(
                "progress",
                function(a) {
                  return (h.progress = a.lengthComputable
                    ? (100 * a.loaded) / a.total
                    : h.progress + (100 - h.progress) / 2);
                },
                !1
              ),
              g = ["load", "abort", "timeout", "error"],
              d = 0,
              e = g.length;
            e > d;
            d++
          )
            (b = g[d]),
              a.addEventListener(
                b,
                function() {
                  return (h.progress = 100);
                },
                !1
              );
        else
          (f = a.onreadystatechange),
            (a.onreadystatechange = function() {
              var b;
              return (
                0 === (b = a.readyState) || 4 === b
                  ? (h.progress = 100)
                  : 3 === a.readyState && (h.progress = 50),
                "function" == typeof f ? f.apply(null, arguments) : void 0
              );
            });
      }
      return a;
    })()),
    (n = (function() {
      function a(a) {
        var b,
          c,
          d,
          e,
          f = this;
        for (
          this.progress = 0, e = ["error", "open"], c = 0, d = e.length;
          d > c;
          c++
        )
          (b = e[c]),
            a.addEventListener(
              b,
              function() {
                return (f.progress = 100);
              },
              !1
            );
      }
      return a;
    })()),
    (d = (function() {
      function a(a) {
        var b, c, d, f;
        for (
          null == a && (a = {}),
            this.elements = [],
            null == a.selectors && (a.selectors = []),
            f = a.selectors,
            c = 0,
            d = f.length;
          d > c;
          c++
        )
          (b = f[c]), this.elements.push(new e(b));
      }
      return a;
    })()),
    (e = (function() {
      function a(a) {
        (this.selector = a), (this.progress = 0), this.check();
      }
      return (
        (a.prototype.check = function() {
          var a = this;
          return document.querySelector(this.selector)
            ? this.done()
            : setTimeout(function() {
                return a.check();
              }, D.elements.checkInterval);
        }),
        (a.prototype.done = function() {
          return (this.progress = 100);
        }),
        a
      );
    })()),
    (c = (function() {
      function a() {
        var a,
          b,
          c = this;
        (this.progress =
          null != (b = this.states[document.readyState]) ? b : 100),
          (a = document.onreadystatechange),
          (document.onreadystatechange = function() {
            return (
              null != c.states[document.readyState] &&
                (c.progress = c.states[document.readyState]),
              "function" == typeof a ? a.apply(null, arguments) : void 0
            );
          });
      }
      return (
        (a.prototype.states = { loading: 0, interactive: 50, complete: 100 }), a
      );
    })()),
    (f = (function() {
      function a() {
        var a,
          b,
          c,
          d,
          e,
          f = this;
        (this.progress = 0),
          (a = 0),
          (e = []),
          (d = 0),
          (c = C()),
          (b = setInterval(function() {
            var g;
            return (
              (g = C() - c - 50),
              (c = C()),
              e.push(g),
              e.length > D.eventLag.sampleCount && e.shift(),
              (a = q(e)),
              ++d >= D.eventLag.minSamples && a < D.eventLag.lagThreshold
                ? ((f.progress = 100), clearInterval(b))
                : (f.progress = 100 * (3 / (a + 3)))
            );
          }, 50));
      }
      return a;
    })()),
    (m = (function() {
      function a(a) {
        (this.source = a),
          (this.last = this.sinceLastUpdate = 0),
          (this.rate = D.initialRate),
          (this.catchup = 0),
          (this.progress = this.lastProgress = 0),
          null != this.source && (this.progress = F(this.source, "progress"));
      }
      return (
        (a.prototype.tick = function(a, b) {
          var c;
          return (
            null == b && (b = F(this.source, "progress")),
            b >= 100 && (this.done = !0),
            b === this.last
              ? (this.sinceLastUpdate += a)
              : (this.sinceLastUpdate &&
                  (this.rate = (b - this.last) / this.sinceLastUpdate),
                (this.catchup = (b - this.progress) / D.catchupTime),
                (this.sinceLastUpdate = 0),
                (this.last = b)),
            b > this.progress && (this.progress += this.catchup * a),
            (c = 1 - Math.pow(this.progress / 100, D.easeFactor)),
            (this.progress += c * this.rate * a),
            (this.progress = Math.min(
              this.lastProgress + D.maxProgressPerFrame,
              this.progress
            )),
            (this.progress = Math.max(0, this.progress)),
            (this.progress = Math.min(100, this.progress)),
            (this.lastProgress = this.progress),
            this.progress
          );
        }),
        a
      );
    })()),
    (L = null),
    (H = null),
    (r = null),
    (M = null),
    (p = null),
    (s = null),
    (j.running = !1),
    (z = function() {
      return D.restartOnPushState ? j.restart() : void 0;
    }),
    null != window.history.pushState &&
      ((T = window.history.pushState),
      (window.history.pushState = function() {
        return z(), T.apply(window.history, arguments);
      })),
    null != window.history.replaceState &&
      ((W = window.history.replaceState),
      (window.history.replaceState = function() {
        return z(), W.apply(window.history, arguments);
      })),
    (l = { ajax: a, elements: d, document: c, eventLag: f }),
    (B = function() {
      var a, c, d, e, f, g, h, i;
      for (
        j.sources = L = [],
          g = ["ajax", "elements", "document", "eventLag"],
          c = 0,
          e = g.length;
        e > c;
        c++
      )
        (a = g[c]), D[a] !== !1 && L.push(new l[a](D[a]));
      for (
        i = null != (h = D.extraSources) ? h : [], d = 0, f = i.length;
        f > d;
        d++
      )
        (K = i[d]), L.push(new K(D));
      return (j.bar = r = new b()), (H = []), (M = new m());
    })(),
    (j.stop = function() {
      return (
        j.trigger("stop"),
        (j.running = !1),
        r.destroy(),
        (s = !0),
        null != p && ("function" == typeof t && t(p), (p = null)),
        B()
      );
    }),
    (j.restart = function() {
      return j.trigger("restart"), j.stop(), j.start();
    }),
    (j.go = function() {
      var a;
      return (
        (j.running = !0),
        r.render(),
        (a = C()),
        (s = !1),
        (p = G(function(b, c) {
          var d, e, f, g, h, i, k, l, n, o, p, q, t, u, v, w;
          for (
            l = 100 - r.progress, e = p = 0, f = !0, i = q = 0, u = L.length;
            u > q;
            i = ++q
          )
            for (
              K = L[i],
                o = null != H[i] ? H[i] : (H[i] = []),
                h = null != (w = K.elements) ? w : [K],
                k = t = 0,
                v = h.length;
              v > t;
              k = ++t
            )
              (g = h[k]),
                (n = null != o[k] ? o[k] : (o[k] = new m(g))),
                (f &= n.done),
                n.done || (e++, (p += n.tick(b)));
          return (
            (d = p / e),
            r.update(M.tick(b, d)),
            r.done() || f || s
              ? (r.update(100),
                j.trigger("done"),
                setTimeout(function() {
                  return r.finish(), (j.running = !1), j.trigger("hide");
                }, Math.max(D.ghostTime, Math.max(D.minTime - (C() - a), 0))))
              : c()
          );
        }))
      );
    }),
    (j.start = function(a) {
      v(D, a), (j.running = !0);
      try {
        r.render();
      } catch (b) {
        i = b;
      }
      return document.querySelector(".pace")
        ? (j.trigger("start"), j.go())
        : setTimeout(j.start, 50);
    }),
    "function" == typeof define && define.amd
      ? define(function() {
          return j;
        })
      : "object" == typeof exports
      ? (module.exports = j)
      : D.startOnPageLoad && j.start();
}
Pace has defaultly only GET requests enabled. Enable for Post requets too.