1

[{"selector":"#anim-bfd6c0c8-a8fb-4948-bf1e-0c4ee3f1b3bc [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":500,"fill":"forwards"}] [{"selector":"#anim-c4c2e5ab-2e08-45a9-89da-67e9f4c1ec73","keyframes":{"transform":["translate3d(-223.07696%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4157d327-3273-4bc7-924f-7556666930cb","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-abe78d73-99b8-4845-8ab7-4138fec388e0","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-335dd402-3223-4fdf-a0e7-02dd71d592c1","keyframes":{"transform":["translate3d(-132.65306%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0be6f0bf-4283-448c-8b02-62e5287ede00","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cafa3d2b-cf14-4f1b-a46d-be4835f08dd5","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-81263111-3eb2-4d31-b17c-6129075db7b2","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-6555089a-5749-4620-9ca2-e59ec809d806","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Google PageSpeed Google is clearly king when it comes to online search, which means that heeding its advice when dealing with your page speeds is a smart idea. Fortunately, Google PageSpeed Insights is a standout and comprehensive tool, for both mobile and desktop sites. MORE DETAILS

2

[{"selector":"#anim-a9074aad-d707-43d3-bc42-04b93a3ce46b [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":500,"fill":"forwards"}] [{"selector":"#anim-06fc609e-5a1b-42ca-bfd1-5d592d003361","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-648ee6ac-81e6-4e56-8964-644913ece051","keyframes":{"transform":["translate3d(-223.07696%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7a688fd8-19db-47ec-a9b0-bdcfb58a8f29","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-018f4236-bcfd-442d-b9d1-6cce8ef46a77","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-c256d088-0e8d-49a9-8fc8-f85fd8fd9592","keyframes":{"transform":["translate3d(-134.64286%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-983aa0ef-6acb-4785-aa05-705477e41608","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bd091f5b-baf4-4620-baba-46789c364080","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-ef1c1e99-fac5-4cca-9309-5e24186f816f","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Pingdom Pingdom’s speed testing tool is another stellar offering that is just as useful as Google’s. Its scores are powered by PageSpeed Insights. However, Pingdom takes the functionality a step further. MORE DETAILS

3

[{"selector":"#anim-00aa467c-4971-428e-a7a2-f906429a1866 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":500,"fill":"forwards"}] [{"selector":"#anim-00b896ed-5f5d-4a47-a710-139c72bc9b7c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-1a00a0d1-8c2f-4202-802c-717fe79cedf0","keyframes":{"transform":["translate3d(-223.07696%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-40693bca-7c1d-4887-888a-2b4f321caed9","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-04960d82-3b70-4179-ae6c-998cb001faae","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-0465df11-2519-496a-8ebd-c067210d38ab","keyframes":{"transform":["translate3d(-134.78261%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-94d20929-dd0f-4bd1-b46a-e5ee11ade283","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7c67a4b6-f3ed-4e56-8873-0c7f4cc661a1","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-55c49084-3f6e-4625-8330-abaab08b1dc2","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] GTmetrix Whenever PageSpeed Insights and Pingdom are mentioned, GTmetrix isn’t far behind. This is because it’s an excellent page speed test that’s powered by both Google and YSlow. MORE DETAILS

4

[{"selector":"#anim-345cdae4-5977-4198-88b5-093eb6190b50 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":500,"fill":"forwards"}] [{"selector":"#anim-8b3810e8-566f-4ed3-b707-de8d9d5c12e2","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a1ce3890-adbb-466f-a0f7-59546324e797","keyframes":{"transform":["translate3d(-223.07696%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-34b0fb22-6977-4823-8916-db5463a4052a","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-079439a9-0edc-4822-b66a-6f16453fb0ed","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-a87255e6-168c-4964-9e78-2aec6a745449","keyframes":{"transform":["translate3d(-135.50725%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4919fb2e-a461-4fb0-abe4-07125fc85030","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-05148c54-e0dd-4512-992e-2e2f4379e4a7","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-a5e453ed-9c80-43f1-ba66-873d7c75b395","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] WebPagetest WebPagetest is a prime example, especially as it can carry out multiple “runs” automatically, and report back on each one individually. MORE DETAILS

5

[{"selector":"#anim-603801a3-ef29-45b5-ad6c-ffcf53a50990 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(0%, 0, 0) translate(25%, 0%) scale(1.5)","translate3d(0%, 0, 0) translate(0%, 0%) scale(1)"]},"delay":0,"duration":500,"fill":"forwards"}] [{"selector":"#anim-0ca38d39-449d-44f6-8efa-262d7d4b3792","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-53decb5e-ab2c-433e-8adb-482342aa5a08","keyframes":{"transform":["translate3d(-223.07696%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4151de02-f906-4ed8-ad2a-418bbe8243d6","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f4c69631-a7dc-4e69-99c2-428229c5fc13","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-2665b90e-6381-44b3-9dae-32154879c4d0","keyframes":{"transform":["translate3d(-134.78261%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dc7d556a-d593-495f-b118-5e5cf23c0994","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-85dd008a-2419-4691-9fa5-927bd392742b","keyframes":{"transform":["scale(0.15)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"forwards"}] [{"selector":"#anim-3b25355d-e9af-447d-94ea-863b1ce299c4","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] KeyCDN KeyCDN is better known for being a leading Content Delivery Network (hence the “CDN” part of its name). However, given the focus on delivery speed, it’s understandable that it would also offer a performance testing tool. MORE DETAILS