Inspectlet vs Site Kit
Head-to-head usage across the sites we track.
Top sites by authority
Inspectlet · Site Kit · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
7
36
Open Page Rank 8+
26
649
Open Page Rank 7+
71
2,698
Open Page Rank 6+
127
5,893
Open Page Rank 5+
207
12,351
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Inspectlet · Site Kit · share of sites in each country using one or the other
United States
2,805
215,676
India
1,404
110,602
Japan
387
82,773
Brazil
652
80,295
France
721
74,632
United Kingdom
1,254
72,179
Spain
641
67,753
Italy
579
63,679
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Inspectlet | Site Kit |
|---|---|---|
| LCP | 2.1 s | 2.4 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1300 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
Inspectlet to Site Kit
| Domain | When |
|---|---|
| garinetiquetas.com | May 2026 |
| buyatcrown.com | Apr 2026 |
| kantersetech.nl | Apr 2026 |
| business-sports.es | Mar 2026 |
| acuteservices.com | Feb 2026 |
| ribboncanada.com | Feb 2026 |
| bonsaidirect.co.uk | Jan 2026 |
| sjjacrowsnest.com.au | Dec 2025 |
| treatmentrangehospitals.com | Sep 2025 |
| doragoodman.com | Aug 2025 |
| sourcecode.com.mm | Jul 2025 |
Site Kit to Inspectlet
| Domain | When |
|---|---|
| business-sports.es | Mar 2026 |
| soundlive.tw | Feb 2026 |
| seagullsindustrial.com | Feb 2026 |
| sjjacrowsnest.com.au | Dec 2025 |
| goldbergcentre.com | Dec 2025 |
| airexpertindia.com | Oct 2025 |
| firstpathedu.com | Sep 2025 |
| i4m.be | Jul 2025 |