| Rank | Website | 1 Week | 4 Weeks | 6 Months | 1 Year |
|---|---|---|---|---|---|
| 2 | microsoft.com | 2 | 2 | 2 | 2 |
| 3 | office.com | 3 | 3 | 3 | 4 ➤ 3 |
| 4 | live.com | 4 | 4 | 4 | 5 ➤ 4 |
| 7 | apple.com | 8 ➤ 7 | 9 ➤ 7 | 13 ➤ 7 | 3 ➤ 7 |
| 8 | digicert.com | 7 ➤ 8 | 7 ➤ 8 | 8 | 12 ➤ 8 |
| 16 | doubleclick.net | 16 | 16 | 18 ➤ 16 | 13 ➤ 16 |
| 17 | icloud.com | 17 | 20 ➤ 17 | 24 ➤ 17 | 18 |
| 21 | office365.com | 21 | 19 | 19 | 17 ➤ 21 |
| 27 | cloud.microsoft | 32 ➤ 27 | 32 ➤ 27 | 49 ➤ 27 | 61 ➤ 27 |
| 30 | sharepoint.com | 29 | 29 | 22 ➤ 30 | 31 |
| 31 | windows.com | 30 | 30 | 23 ➤ 31 | 39 ➤ 31 |
| 33 | pki.goog | 31 | 31 | 28 ➤ 33 | 29 ➤ 33 |
| 49 | outlook.com | 50 | 46 | 46 | 42 ➤ 49 |
| 52 | adobe.com | 49 | 49 | 47 | 58 ➤ 52 |
| 61 | scorecardresearch.com | 59 | 60 | 53 ➤ 61 | 49 ➤ 61 |
| 65 | oneclient.sfx.ms | 64 | 56 ➤ 65 | 59 | 68 |
| 72 | demdex.net | 72 | 73 | 74 | 66 |
| 76 | adsrvr.org | 76 | 79 | 80 | 78 |
| 82 | cisco.com | 82 | 76 | 82 | 84 |
| 89 | rubiconproject.com | 87 | 86 | 85 | 81 |
| 90 | adtrafficquality.google | 91 | 91 | 116 ➤ 90 | 104 ➤ 90 |
| 91 | pubmatic.com | 90 | 89 | 87 | 85 |
| 98 | criteo.com | 98 | 94 | 90 | 87 ➤ 98 |
| 99 | pendo.io | 94 | 99 | 121 ➤ 99 | 138 ➤ 99 |
| 100 | casalemedia.com | 99 | 97 | 92 | 89 ➤ 100 |
| 103 | doubleverify.com | 110 | 118 ➤ 103 | 111 | 106 |
| 108 | openx.net | 105 | 104 | 100 | 97 ➤ 108 |
| 109 | cookielaw.org | 108 | 108 | 106 | 103 |
| 114 | 3lift.com | 113 | 113 | 114 | 94 ➤ 114 |
| 115 | he.net | 117 | 109 | 95 ➤ 115 | 252 ➤ 115 |
| 121 | adsafeprotected.com | 125 | 133 | 125 | 116 |
| 122 | taboola.com | 116 | 117 | 104 ➤ 122 | 107 ➤ 122 |
| 128 | tapad.com | 129 | 126 | 118 | 115 ➤ 128 |
| 138 | media.net | 134 | 130 | 136 | 109 ➤ 138 |
| 143 | smartadserver.com | 136 | 134 | 127 ➤ 143 | 112 ➤ 143 |
| 151 | inmobi.com | 152 | 153 | 170 ➤ 151 | 151 |
| 152 | gmail.com | 160 | 164 | 165 | 144 |
| 153 | id5-sync.com | 151 | 148 | 164 | 152 |
| 154 | zoom.us | 154 | 158 | 154 | 180 ➤ 154 |
| 156 | onetrust.com | 155 | 159 | 157 | 141 |
| 160 | dotomi.com | 165 | 166 | 166 | 147 |
| 161 | outbrain.com | 158 | 156 | 146 | 125 ➤ 161 |
| 163 | braze.com | 169 | 180 ➤ 163 | 197 ➤ 163 | 192 ➤ 163 |
| 167 | stackadapt.com | 164 | 168 | 176 | 156 |
| 168 | sharethrough.com | 167 | 161 | 156 | 142 ➤ 168 |
| 172 | lijit.com | 170 | 162 | 167 | 149 ➤ 172 |
| 174 | sync.1rx.io | 172 | 169 | 163 | 148 ➤ 174 |
| 178 | branch.io | 184 | 191 | 200 ➤ 178 | 197 ➤ 178 |
| 179 | omtrdc.net | 183 | 181 | 183 | 181 |
| 180 | everesttech.net | 180 | 176 | 177 | 157 ➤ 180 |
| 182 | creativecdn.com | 178 | 173 | 174 | 153 ➤ 182 |
| 184 | webex.com | 185 | 178 | 168 | 184 |
| 185 | 360yield.com | 181 | 179 | 190 | 170 |
| 188 | quantserve.com | 189 | 186 | 184 | 159 ➤ 188 |
| 198 | meraki.com | 201 | 192 | 182 | 229 ➤ 198 |
| 200 | fwmrm.net | 198 | 233 ➤ 200 | 561 ➤ 200 | 586 ➤ 200 |
| 204 | flashtalking.com | 216 | 218 | 220 | 228 ➤ 204 |
| 206 | life360.com | 217 | 240 ➤ 206 | 275 ➤ 206 | 275 ➤ 206 |
| 212 | yimg.com | 211 | 213 | 218 | 220 |
| 213 | teads.tv | 210 | 205 | 207 | 205 |
| 215 | contextweb.com | 209 | 204 | 201 | 186 ➤ 215 |
| 216 | yieldmo.com | 214 | 209 | 205 | 196 |
| 224 | trustarc.com | 228 | 232 | 217 | 215 |
| 225 | onetag-sys.com | 224 | 214 | 231 | 218 |
| 226 | sitescout.com | 227 | 222 | 219 | 208 |
| 227 | samsung.com | 233 | 234 | 214 | 257 ➤ 227 |
| 229 | qualtrics.com | 223 | 226 | 223 | 264 ➤ 229 |
| 233 | typekit.com | 239 | 229 | 228 | 256 |
| 234 | admanmedia.com | 235 | 230 | 243 | 258 ➤ 234 |
| 237 | optimizely.com | 240 | 246 | 239 | 267 ➤ 237 |
| 239 | zemanta.com | 222 | 216 | 213 ➤ 239 | 191 ➤ 239 |
| 240 | applovin.com | 242 | 249 | 265 ➤ 240 | 282 ➤ 240 |
| 241 | intercom.io | 244 | 243 | 332 ➤ 241 | 337 ➤ 241 |
| 249 | android.com | 249 | 244 | 246 | 245 |
| 251 | simpli.fi | 252 | 256 | 242 | 240 |
| 253 | gumgum.com | 253 | 245 | 232 | 251 |
| 259 | truste.com | 259 | 265 | 260 | 254 |
| 261 | adobelogin.com | 265 | 260 | 269 | 296 ➤ 261 |
| 262 | me.com | 268 | 284 | 305 ➤ 262 | 297 ➤ 262 |
| 265 | mfadsrvr.com | 261 | 263 | 266 | 266 |
| 266 | unrulymedia.com | 266 | 254 | 248 | 246 |
| 267 | intentiq.com | 264 | 264 | 281 | 284 |
| 269 | sectigo.com | 275 | 261 | 313 ➤ 269 | 306 ➤ 269 |
| 272 | amazontrust.com | 293 | 290 | 227 ➤ 272 | 213 ➤ 272 |
| 273 | deepintent.com | 272 | 268 | 274 | 278 |
| 282 | vungle.com | 287 | 296 | 328 ➤ 282 | 351 ➤ 282 |
| 285 | moloco.com | 291 | 303 | 523 ➤ 285 | 937 ➤ 285 |
| 287 | eyeota.net | 285 | 279 | 301 | 312 |
| 288 | connatix.com | 281 | 274 | 278 | 255 ➤ 288 |
| 290 | appsflyer.com | 289 | 283 | 294 | 268 |
| 292 | kargo.com | 290 | 287 | 299 | 285 |
| 295 | richaudience.com | 295 | 286 | 286 | 309 |
| 296 | sonobi.com | 296 | 278 | 285 | 248 ➤ 296 |
| 303 | w55c.net | 304 | 309 | 291 | 235 ➤ 303 |
| 306 | okta.com | 302 | 295 | 295 | 323 |
| 311 | adjust.com | 310 | 320 | 324 | 324 |
| 313 | seedtag.com | 309 | 308 | 336 | 370 ➤ 313 |
| 315 | bttrack.com | 325 | 319 | 296 | 302 |
| 317 | arcticwolf.net | 318 | 304 | 273 ➤ 317 | 353 ➤ 317 |
| 320 | ad-delivery.net | 316 | 312 | 306 | 288 |