.group{
              text-rendering: optimizeSpeed
            }
            .group1{
              text-rendering: optimizeLegibility
            }
            .group2{
              text-rendering: geometricPrecision
            }
            

See the Pen canary text-rendering by ilya (@ilyabasiuk) on CodePen.

.group{
              text-rendering: optimizeSpeed
            }
            .group1 {
                 -webkit-transform: translate3d(0, 0, 0);
                 -webkit-backface-visibility: hidden;
                 -webkit-perspective: 1000;
            }
            

See the Pen canary translate3d by ilya (@ilyabasiuk) on CodePen.

.group{
          text-rendering: optimizeSpeed;
          -webkit-font-smoothing: none;
        }
        .group1{
          text-rendering: optimizeSpeed;
          -webkit-font-smoothing: antialiased;
        }
        .group2{
          text-rendering: optimizeSpeed;
          -webkit-font-smoothing: subpixel-antialiased;
        }
        

See the Pen canary antialiasing by ilya (@ilyabasiuk) on CodePen.

<svg width="1200px" height="600px" viewBox="0 0 1200 600"
             style ="background-image:url('http://ilyabasiuk.github.io/images/map_example.png')";
             version="1.1" xmlns="http://www.w3.org/2000/svg"
             xmlns:xlink="http://www.w3.org/1999/xlink">

             <g class="group" transform="rotate(0.01)">
                <path
                   d="M 0 0 q 65 -2 140 0 q 2 10 0 20 q -65 2 -140 0 q -2 -10 0 -20" stroke="#B8B2EB"
                   stroke-width="1"
                   fill="#fff" />

                <text  x="2" y="7"
                    text-anchor="start"
                    fill="#1300bd"
                    class="vehicleLabelText"
                    font-weight = "bold"
                    font-size="12px">
                        <tspan dy="5"> TestTestTestTestTestTest</tspan>
                </text>

                <animateMotion
                    end="indefinite"
                    dur="40s"
                    repeatCount="indefinite"
                    fill="freeze"
                    path="M 0 0 L 200 200">
                </animateMotion>
            </g>
          <g class="group1" transform="rotate(0.01)">
                <path
                   d="M 0 0 q 65 -2 140 0 q 2 10 0 20 q -65 2 -140 0 q -2 -10 0 -20" stroke="#B8B2EB"
                   stroke-width="1"
                   fill="#fff" />

                <text  x="2" y="7"
                    text-anchor="start"
                    fill="#1300bd"
                    class="vehicleLabelText"
                    font-weight = "bold"
                    font-family = "Comic Sans MS"
                    font-size="12px">
                        <tspan dy="5"> TestTestTestTestTest</tspan>
                </text>

                <animateMotion
                    end="indefinite"
                    dur="40s"
                    repeatCount="indefinite"
                    fill="freeze"
                    path="M 0 50 L 200 250">
                </animateMotion>
            </g>

        <svg>
        

See the Pen font-family by ilya (@ilyabasiuk) on CodePen.