| Rank | Website | 1 Week | 4 Weeks | 6 Months | 1 Year |
|---|---|---|---|---|---|
| 2 | microsoft.com | 2 | 2 | 2 | 2 |
| 3 | office.com | 3 | 3 | 3 | 3 |
| 4 | live.com | 4 | 4 | 4 | 5 ➤ 4 |
| 7 | digicert.com | 7 | 7 | 10 ➤ 7 | 11 ➤ 7 |
| 9 | apple.com | 11 ➤ 9 | 10 ➤ 9 | 15 ➤ 9 | 4 ➤ 9 |
| 16 | doubleclick.net | 16 | 16 | 18 ➤ 16 | 14 ➤ 16 |
| 19 | office365.com | 19 | 19 | 17 ➤ 19 | 16 ➤ 19 |
| 20 | icloud.com | 21 | 20 | 29 ➤ 20 | 20 |
| 29 | sharepoint.com | 26 ➤ 29 | 27 | 21 ➤ 29 | 28 |
| 30 | windows.com | 30 | 28 | 23 ➤ 30 | 39 ➤ 30 |
| 31 | pki.goog | 25 ➤ 31 | 26 ➤ 31 | 25 ➤ 31 | 26 ➤ 31 |
| 32 | cloud.microsoft | 32 | 33 | 53 ➤ 32 | 64 ➤ 32 |
| 46 | outlook.com | 45 | 49 | 44 | 43 |
| 49 | adobe.com | 47 | 46 | 45 | 55 ➤ 49 |
| 56 | oneclient.sfx.ms | 59 | 61 | 62 ➤ 56 | 56 |
| 60 | scorecardresearch.com | 57 | 57 | 50 ➤ 60 | 49 ➤ 60 |
| 73 | demdex.net | 75 | 75 | 74 | 67 |
| 76 | cisco.com | 77 | 74 | 81 | 83 |
| 79 | adsrvr.org | 80 | 81 | 79 | 77 |
| 86 | rubiconproject.com | 86 | 88 | 82 | 81 |
| 89 | pubmatic.com | 89 | 90 | 86 | 82 |
| 91 | adtrafficquality.google | 90 | 87 | 105 ➤ 91 | 101 ➤ 91 |
| 94 | criteo.com | 95 | 93 | 87 | 85 |
| 97 | casalemedia.com | 96 | 97 | 93 | 86 ➤ 97 |
| 99 | pendo.io | 114 ➤ 99 | 116 ➤ 99 | 136 ➤ 99 | 137 ➤ 99 |
| 104 | openx.net | 103 | 106 | 100 | 95 |
| 108 | cookielaw.org | 106 | 112 | 104 | 103 |
| 109 | he.net | 99 | 98 ➤ 109 | 94 ➤ 109 | 244 ➤ 109 |
| 113 | 3lift.com | 113 | 120 | 114 | 92 ➤ 113 |
| 117 | taboola.com | 111 | 121 | 101 ➤ 117 | 104 ➤ 117 |
| 118 | doubleverify.com | 123 | 108 | 111 | 108 |
| 126 | tapad.com | 134 | 131 | 123 | 111 ➤ 126 |
| 130 | media.net | 129 | 132 | 134 | 107 ➤ 130 |
| 133 | adsafeprotected.com | 145 | 122 | 125 | 125 |
| 134 | smartadserver.com | 132 | 130 | 128 | 110 ➤ 134 |
| 148 | id5-sync.com | 147 | 141 | 171 ➤ 148 | 153 |
| 153 | inmobi.com | 146 | 152 | 177 ➤ 153 | 148 |
| 156 | outbrain.com | 151 | 155 | 139 ➤ 156 | 115 ➤ 156 |
| 158 | zoom.us | 171 | 160 | 142 ➤ 158 | 183 ➤ 158 |
| 159 | onetrust.com | 156 | 162 | 149 | 142 ➤ 159 |
| 161 | sharethrough.com | 159 | 156 | 153 | 128 ➤ 161 |
| 162 | lijit.com | 163 | 169 | 156 | 143 ➤ 162 |
| 164 | gmail.com | 173 | 167 | 160 | 145 ➤ 164 |
| 166 | dotomi.com | 165 | 153 | 170 | 152 |
| 168 | stackadapt.com | 160 | 168 | 173 | 155 |
| 169 | sync.1rx.io | 164 | 166 | 162 | 151 ➤ 169 |
| 173 | creativecdn.com | 168 | 172 | 175 | 157 |
| 176 | everesttech.net | 174 | 175 | 179 | 158 ➤ 176 |
| 178 | webex.com | 179 | 173 | 169 | 172 |
| 179 | 360yield.com | 176 | 178 | 189 | 174 |
| 180 | braze.com | 186 | 186 | 197 | 196 |
| 181 | omtrdc.net | 177 | 185 | 165 | 173 |
| 186 | quantserve.com | 185 | 189 | 185 | 162 ➤ 186 |
| 191 | branch.io | 197 | 198 | 209 | 198 |
| 192 | meraki.com | 184 | 182 | 161 ➤ 192 | 222 ➤ 192 |
| 204 | contextweb.com | 204 | 202 | 214 | 185 |
| 205 | teads.tv | 198 | 207 | 202 | 212 |
| 209 | yieldmo.com | 201 | 206 | 199 | 176 ➤ 209 |
| 213 | yimg.com | 209 | 209 | 211 | 214 |
| 214 | onetag-sys.com | 208 | 221 | 227 | 218 |
| 216 | zemanta.com | 212 | 214 | 217 | 190 ➤ 216 |
| 218 | flashtalking.com | 218 | 215 | 230 | 230 |
| 222 | sitescout.com | 220 | 222 | 225 | 208 |
| 226 | qualtrics.com | 216 | 235 | 213 | 254 ➤ 226 |
| 229 | typekit.com | 230 | 232 | 229 | 247 |
| 230 | admanmedia.com | 225 | 229 | 243 | 273 ➤ 230 |
| 232 | trustarc.com | 236 | 223 | 220 | 224 |
| 233 | fwmrm.net | 227 | 218 | 587 ➤ 233 | 595 ➤ 233 |
| 234 | samsung.com | 226 | 227 | 203 ➤ 234 | 262 ➤ 234 |
| 240 | life360.com | 264 | 263 | 326 ➤ 240 | 293 ➤ 240 |
| 243 | intercom.io | 244 | 254 | 359 ➤ 243 | 346 ➤ 243 |
| 244 | android.com | 250 | 238 | 259 | 225 |
| 245 | gumgum.com | 243 | 245 | 232 | 238 |
| 246 | optimizely.com | 231 | 234 | 226 | 258 |
| 249 | applovin.com | 247 | 251 | 255 | 297 ➤ 249 |
| 251 | godaddy.com | 267 | 425 ➤ 251 | 484 ➤ 251 | 269 |
| 254 | unrulymedia.com | 252 | 253 | 249 | 240 |
| 256 | simpli.fi | 253 | 257 | 244 | 246 |
| 260 | adobelogin.com | 260 | 266 | 251 | 290 ➤ 260 |
| 261 | sectigo.com | 254 | 240 | 330 ➤ 261 | 309 ➤ 261 |
| 263 | mfadsrvr.com | 258 | 276 | 265 | 261 |
| 264 | intentiq.com | 262 | 268 | 286 | 284 |
| 265 | truste.com | 274 | 256 | 262 | 265 |
| 268 | deepintent.com | 273 | 272 | 292 | 303 ➤ 268 |
| 274 | connatix.com | 269 | 273 | 276 | 251 |
| 278 | sonobi.com | 280 | 290 | 285 | 253 |
| 279 | eyeota.net | 281 | 284 | 319 ➤ 279 | 313 ➤ 279 |
| 283 | appsflyer.com | 290 | 294 | 269 | 271 |
| 284 | me.com | 302 | 286 | 331 ➤ 284 | 315 ➤ 284 |
| 286 | richaudience.com | 283 | 291 | 275 | 312 |
| 287 | kargo.com | 279 | 280 | 300 | 287 |
| 290 | amazontrust.com | 282 | 243 ➤ 290 | 196 ➤ 290 | 207 ➤ 290 |
| 295 | okta.com | 291 | 287 | 291 | 325 ➤ 295 |
| 296 | vungle.com | 296 | 297 | 341 ➤ 296 | 378 ➤ 296 |
| 303 | moloco.com | 297 | 313 | 749 ➤ 303 | 1004 ➤ 303 |
| 304 | arcticwolf.net | 292 | 282 | 281 | 355 ➤ 304 |
| 308 | seedtag.com | 300 | 300 | 324 | 365 ➤ 308 |
| 309 | w55c.net | 311 | 306 | 302 | 242 ➤ 309 |
| 312 | ad-delivery.net | 317 | 322 | 323 | 291 |
| 315 | mathtag.com | 310 | 312 | 294 | 282 ➤ 315 |