Websites Powered by Constant Contact
45,676 websites tracked using Constant Contact (Marketing automation) · www.constantcontact.com
Constant Contact is a marketing automation platform for campaigns and lead nurturing. Its official site is constantcontact.com. PoweredBy tracks the websites that use Constant Contact across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the marketing automation ecosystem.
Usage trend
10K
20K
30K
40K
Aug 2021
Nov 2022
Mar 2024
Jun 2025
Sep 2026
Domains observed using Constant Contact in each month's HTTP Archive crawl,
Aug 2021 to Sep 2026 · peak 30,420 in Apr 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.7 s
INP 50 ms
CLS 0
TTFB 800 ms
Median site among 25,315 Constant Contact sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
23,524
Canada
2,888
India
1,394
United Kingdom
1,288
Australia
658
Mexico
657
Philippines
589
Indonesia
532
Sites using Constant Contact by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Non-profit and religious | 1.19% | 93 |
| Arts and entertainment | 1.18% | 486 |
| Pets and animals | 0.58% | 16 |
| Government | 0.32% | 26 |
| Professional services | 0.30% | 123 |
| Education | 0.22% | 112 |
| Sports and fitness | 0.22% | 36 |
| Legal | 0.19% | 45 |
| Beauty and wellness | 0.17% | 43 |
| Healthcare | 0.16% | 174 |
| Finance and insurance | 0.16% | 26 |
| Travel and hospitality | 0.15% | 111 |
Share of each industry's websites with a detected stack that use Constant Contact; industries come from what sites declare in their own structured data.
Top sites by authority
9+
7% · 25 of 372 sites
8+
2% · 153 of 7,677 sites
7+
<1% · 341 of 45,712 sites
6+
<1% · 663 of 110,136 sites
5+
<1% · 1,274 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Constant Contact in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Constant Contact
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | wordpress.com | 9.50/10 | 461,400 | 54,845 | Aug 2021 |
| 2 | blogspot.com | 9.39/10 | - | - | Aug 2021 |
| 3 | weebly.com | 9.24/10 | 162,400 | 11,089 | Sep 2021 |
| 4 | harvard.edu | 9.24/10 | 472,700 | 11,444 | Aug 2021 |
| 5 | ca.gov | 9.23/10 | 1,455,600 | 26,086 | Aug 2021 |
| 6 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | Aug 2021 |
| 7 | mit.edu | 9.18/10 | 163,800 | 31,239 | Aug 2021 |
| 8 | nasa.gov | 9.15/10 | 2,697,400 | 289,920 | Jun 2022 |
| 9 | usda.gov | 9.14/10 | 474,600 | 136,928 | Sep 2021 |
| 10 | myshopify.com | 9.12/10 | - | - | Aug 2021 |
| 11 | squarespace.com | 9.11/10 | 233,400 | 29,406 | Sep 2021 |
| 12 | zendesk.com | 9.10/10 | 416,900 | 60,938 | Aug 2022 |
| 13 | cornell.edu | 9.10/10 | 140,600 | 19,190 | Sep 2021 |
| 14 | hhs.gov | 9.10/10 | 1,457,200 | 246,424 | Sep 2021 |
| 15 | state.gov | 9.07/10 | 3,264,300 | 173,312 | Dec 2022 |
| 16 | vercel.app | 9.05/10 | - | - | Feb 2026 |
| 17 | house.gov | 9.05/10 | 752,000 | 103,932 | Sep 2021 |
| 18 | wpengine.com | 9.04/10 | 66,200 | 15,765 | Nov 2021 |
| 19 | ny.gov | 9.04/10 | 675,900 | 50,004 | Sep 2021 |
| 20 | columbia.edu | 9.02/10 | 768,900 | 38,656 | Sep 2021 |
| 21 | netlify.app | 9.01/10 | 2 | 2 | Sep 2024 |
| 22 | psu.edu | 9.01/10 | 580,400 | 80,390 | Sep 2021 |
| 23 | umich.edu | 9.01/10 | 36,500 | 1,974 | Aug 2021 |
| 24 | yale.edu | 9.01/10 | 177,900 | 5,845 | Sep 2021 |
| 25 | upenn.edu | 9.00/10 | 178,900 | 4,794 | Oct 2021 |
| 26 | square.site | 8.99/10 | 91,400 | 35,156 | Sep 2021 |
| 27 | constantcontact.com | 8.98/10 | 48,500 | 20,710 | Aug 2021 |
| 28 | princeton.edu | 8.98/10 | 244,600 | 46,551 | Sep 2021 |
| 29 | texas.gov | 8.98/10 | 917,200 | 38,560 | Sep 2021 |
| 30 | wisc.edu | 8.97/10 | 461,200 | 6,382 | Aug 2021 |
| 31 | ucla.edu | 8.93/10 | 410,700 | 13,782 | Aug 2021 |
| 32 | jhu.edu | 8.93/10 | 177,300 | 5,821 | Sep 2021 |
| 33 | utexas.edu | 8.92/10 | 502,800 | 11,092 | Aug 2021 |
| 34 | uchicago.edu | 8.92/10 | 63,700 | 10,331 | Sep 2021 |
| 35 | si.edu | 8.92/10 | 1,458,100 | 152,619 | Aug 2021 |
| 36 | usc.edu | 8.89/10 | 362,800 | 14,354 | Sep 2021 |
| 37 | duke.edu | 8.88/10 | 194,300 | 1,396 | Sep 2021 |
| 38 | azurewebsites.net | 8.87/10 | - | - | Aug 2022 |
| 39 | site.com | 8.86/10 | - | 1 | Jun 2023 |
| 40 | us.com | 8.86/10 | 32 | 8 | Oct 2021 |
| 41 | purdue.edu | 8.86/10 | 746,900 | 132,133 | Nov 2022 |
| 42 | umd.edu | 8.85/10 | 253,200 | 15,103 | Sep 2021 |
| 43 | ufl.edu | 8.84/10 | 241,500 | 3,277 | Sep 2021 |
| 44 | ucsd.edu | 8.84/10 | 48,100 | 2,261 | Aug 2021 |
| 45 | ct.gov | 8.83/10 | 4,800 | 38 | Mar 2023 |
| 46 | ucdavis.edu | 8.83/10 | 381,100 | 81,485 | Apr 2022 |
| 47 | maryland.gov | 8.82/10 | 173,200 | 7,155 | Sep 2021 |
| 48 | virginia.gov | 8.82/10 | 338,000 | 19,778 | Sep 2021 |
| 49 | colorado.gov | 8.81/10 | 81,300 | 11,605 | Sep 2021 |
| 50 | utah.gov | 8.80/10 | 129,700 | 22,115 | Jul 2022 |
| 51 | in.gov | 8.80/10 | 3,047,100 | 832,670 | Sep 2021 |
| 52 | msu.edu | 8.78/10 | 149,500 | 2,186 | Sep 2021 |
| 53 | wpenginepowered.com | 8.77/10 | - | - | Aug 2023 |
| 54 | bigcartel.com | 8.76/10 | 3,300 | 1,679 | Aug 2022 |
| 55 | uci.edu | 8.76/10 | 94,600 | 9,503 | Sep 2021 |
| 56 | tamu.edu | 8.76/10 | 349,600 | 9,431 | Aug 2021 |
| 57 | ohio.gov | 8.76/10 | 366,800 | 33,026 | Aug 2021 |
| 58 | osu.edu | 8.76/10 | 144,000 | 12,535 | Aug 2021 |
| 59 | rutgers.edu | 8.75/10 | 146,600 | 28,567 | Aug 2021 |
| 60 | nj.gov | 8.74/10 | 2,721,600 | 870,546 | Feb 2026 |
| 61 | utah.edu | 8.74/10 | 474,500 | 10,126 | Aug 2021 |
| 62 | brown.edu | 8.73/10 | 376,500 | 23,950 | Sep 2021 |
| 63 | virginia.edu | 8.73/10 | 265,100 | 10,889 | Jul 2022 |
| 64 | illinois.gov | 8.73/10 | 521,900 | 65,410 | Sep 2021 |
| 65 | colorado.edu | 8.72/10 | 585,400 | 165,595 | Jul 2022 |
| 66 | ucsb.edu | 8.71/10 | 73,800 | 11,445 | Mar 2023 |
| 67 | arizona.edu | 8.71/10 | 127,500 | 23,873 | Aug 2021 |
| 68 | ucsf.edu | 8.70/10 | 161,700 | 52,728 | Sep 2021 |
| 69 | lbl.gov | 8.69/10 | 59,100 | 2,329 | Aug 2021 |
| 70 | wildapricot.org | 8.67/10 | - | - | Dec 2021 |
| 71 | pantheonsite.io | 8.67/10 | 7 | 5 | Mar 2024 |
| 72 | delaware.gov | 8.67/10 | 128,700 | 12,173 | Sep 2021 |
| 73 | hawaii.gov | 8.67/10 | 34 | 238 | Apr 2023 |
| 74 | uw.edu | 8.66/10 | - | 3 | Sep 2021 |
| 75 | wustl.edu | 8.66/10 | - | - | Sep 2021 |
| 76 | caltech.edu | 8.65/10 | 148,200 | 20,173 | Oct 2021 |
| 77 | idaho.gov | 8.65/10 | 95,300 | 6,755 | Aug 2021 |
| 78 | uga.edu | 8.65/10 | 234,500 | 2,950 | Sep 2021 |
| 79 | cuny.edu | 8.65/10 | 293,300 | 49,477 | Aug 2021 |
| 80 | wsu.edu | 8.64/10 | 66,200 | 13,870 | Jun 2022 |
| 81 | vt.edu | 8.64/10 | 215,100 | 20,548 | Jul 2023 |
| 82 | gwu.edu | 8.64/10 | 257,300 | 13,278 | Sep 2021 |
| 83 | teachable.com | 8.63/10 | 17,600 | 3,238 | Feb 2022 |
| 84 | wi.gov | 8.63/10 | - | - | Feb 2022 |
| 85 | thinkific.com | 8.62/10 | 31,100 | 15,318 | Sep 2021 |
| 86 | colostate.edu | 8.62/10 | 189,100 | 10,871 | Sep 2021 |
| 87 | hawaii.edu | 8.62/10 | 117,100 | 43,233 | Sep 2021 |
| 88 | iastate.edu | 8.60/10 | 161,300 | 18,508 | Sep 2021 |
| 89 | sc.gov | 8.59/10 | 126,100 | 20,150 | Sep 2021 |
| 90 | ri.gov | 8.59/10 | 305,500 | 10,044 | Sep 2021 |
| 91 | state.tx.us | 8.58/10 | - | - | Sep 2021 |
| 92 | northeastern.edu | 8.57/10 | 104,100 | 13,497 | Aug 2024 |
| 93 | usf.edu | 8.57/10 | 459,500 | 80,745 | Mar 2022 |
| 94 | nc.gov | 8.56/10 | 487,300 | 41,555 | Sep 2022 |
| 95 | rice.edu | 8.56/10 | 255,400 | 12,718 | Dec 2021 |
| 96 | la.gov | 8.56/10 | - | - | Aug 2021 |
| 97 | emory.edu | 8.56/10 | 202,500 | 15,781 | Oct 2022 |
| 98 | gmu.edu | 8.56/10 | 143,200 | 25,328 | Aug 2021 |
| 99 | udel.edu | 8.55/10 | 157,300 | 39,674 | Dec 2021 |
| 100 | arkansas.gov | 8.55/10 | 1,000 | 723 | Jul 2022 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).
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