MERCER ISLAND, WA
Find internet providers in Mercer Island, WA
Find internet offered in Mercer Island, WA – easily compare options from multiple providers to find the plan that best fits your needs.
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Shop and compare 10 internet providers for Mercer Island, WA
The 30-Second Verdict
UpdatedIn Mercer Island, WA, your best bet is Xfinity, covering ~100% of the city with FCC-filed speeds up to 2,000 Mbps. Its cable network reaches ~100% of the city with speeds up to 2000/2000 Mbps, making it the practical default. Quantum Fiber is the closest fiber alternative, serving 49.3% of the city overall, with 48% able to get speeds up to 2000/1000 Mbps. Locally, North End’s 98040 breakdown is a close split: Xfinity leads with 36.4% on cable at speeds up to 2000/2000 Mbps, Quantum Fiber follows at 35.4% on fiber at speeds up to 2000/1000 Mbps, and another Xfinity tier covers 22.2% at speeds up to 2000/300 Mbps. Astound Broadband appears there at 6.0% with fiber speeds up to 2000/2000 Mbps, but its citywide reach is just 3.0%, so it is a local niche. For First Hill, South End, and East Seattle, verify the address rather than assuming North End’s mix applies. Fixed wireless is a sensible fallback: T-Mobile reaches 55% at speeds up to 100/20 Mbps, Verizon reaches 23% at speeds up to 1000/75 Mbps, and AT&T reaches 14% at speeds up to 100/20 Mbps. Coverage can change street to street, so confirm your exact address before choosing.
Best plan here: 1.2/2 Gig — faster than 95% of all internet options in Washington
- 1.2/2 Gig$90/mo for the first 12 months, then $100/moCable2,000 MbpsDownload95Our score$90Per month
- 1 Gig$60/mo for the first 12 months, then $70/moCable1,000 MbpsDownload85Our score$60Per month
- 500 Mbps$50/mo for the first 12 months, then $60/moCable500 MbpsDownload76Our score$50Per month
- 300 Mbps$40/mo for the first 12 months, then $45/moCable300 MbpsDownload76Our score$40Per month
Source: Xfinity official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Excellent
Good
Good
Good
THE TAKEAWAY
Our recommendation for Mercer Island
Xfinity’s cable plans reach 100.0% of Mercer Island, giving shoppers a strong chance of finding service at their address. Its 1.2/2 Gig plan offers up to 2000 Mbps download and 2000 Mbps upload with a 95/100 Speed Score, making it a solid cable option that is above the city average of 68. The 1 Gig plan is a lower-cost alternative with up to 1000 Mbps download and 2000 Mbps upload, a Speed Score of 85/100, and availability to 100.0% of the city.
About Xfinity
Xfinity reaches 100.0% of Mercer Island, so it is a strong bet for finding service at your address. Its cable plans offer excellent options for most households, from up to 300 Mbps download and 2000 Mbps upload for $40/mo to up to 2000 Mbps both ways for $90/mo, with several tiers in between to match your budget and needs.
Available Plans
Cable
Fiber
Best plan here: Quantum Fiber 2 Gig — faster than 98% of all internet options in Washington
- Quantum Fiber 2 Gig$70/mo promotional rate, then $100/moFiber2,000 MbpsDownload98Our score$70Per month
- Quantum Fiber 940 Mbps / 1 Gig$45/mo promotional rate, then $80/moFiber940 MbpsDownload88Our score$45Per month
- Simply Fiber Internet 200 MbpsFiber200 MbpsDownload76Our score$30Per month
Source: Quantum Fiber official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Excellent
Excellent
Excellent
Excellent
THE TAKEAWAY
Our recommendation for Mercer Island
Fiber offers low-latency, high-capacity service for smooth streaming, gaming, video calls, and large downloads, making Quantum Fiber’s up to 2000 Mbps download and upload plan an excellent choice with a 98/100 Speed Score. That score is above Mercer Island’s city average of 68 and makes it a top-tier option. The 2 Gig plan is available to 48.0% of the city, so confirm that fiber service reaches your specific address before choosing it.
About Quantum Fiber
Quantum Fiber uses fiber, the strongest connection type for everyday use, with smooth streaming, video calls, gaming, and support for multiple devices. Its excellent options include up to 2000 Mbps both ways for $70/mo, up to 940 Mbps both ways for $45/mo promotional rate then $80/mo, and up to 200 Mbps both ways for $30/mo. Availability is address-dependent, with the 940 Mbps and 200 Mbps plans available to 49.3% of Mercer Island and the 2 Gig plan available to 48.0%, so check your address before choosing.
Available Plans
Fiber
Fiber
Fiber
Best plan here: Fiber Internet – 940 Mbps — faster than 88% of all internet options in Washington
- Fiber Internet – 940 MbpsFiber940 MbpsDownload88Our score$75Per month
Source: CenturyLink official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Excellent
Excellent
Excellent
Excellent
THE TAKEAWAY
Our recommendation for Mercer Island
CenturyLink is an excellent choice where its fiber service is available. The Fiber Internet plan offers up to 940 Mbps download and 940 Mbps upload for $75/mo, with a Speed Score of 88/100, above the city average of 68. This plan is available to 39.9% of Mercer Island, so check your address to confirm fiber access.
About CenturyLink
CenturyLink is a strong choice for addresses with its fiber plan, offering up to 940 Mbps download and 940 Mbps upload for $75/mo, with a Speed Score of 88/100. That fiber option is available to 39.9% of Mercer Island, so check your address before counting on it, and no slower fallback plan is listed here.
Available Plans
Fiber
Fiber
Copper
Copper
Copper
Copper
Copper
Fiber
Fiber
Fiber
Copper
Best plan here: 5G Home Plus — faster than 79% of all internet options in Washington
- 5G Home Plus$45/mo promotional rate, then $70/mo5G Fixed Wireless1,000 MbpsDownload79Our score$45Per month
- 5G Home$35/mo promotional rate, then $60/mo5G Fixed Wireless300 MbpsDownload76Our score$35Per month
Source: Verizon official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows average speeds for your area
This score is based on local bandwidth data and indicates this provider offers competitive speeds in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Good
Adequate
Adequate
Good
THE TAKEAWAY
Our recommendation for Mercer Island
Verizon’s 5G fixed wireless connection can handle streaming, video calls, and busy households, with 5G Home Plus offering up to 1000 Mbps download and 75 Mbps upload for a Speed Score of 79/100. That score is above Mercer Island’s city average of 68, making Verizon a competitive choice, though fixed wireless can be more variable than wired connections. 5G Home Plus is available to 75.7% of the city, so confirm service at your address; the 5G Home plan offers up to 300 Mbps download and 75 Mbps upload with a Speed Score of 76/100.
About Verizon
Verizon’s 5G fixed wireless service is an adequate choice for everyday streaming, browsing, and video calls, with plans offering up to 1000 Mbps download and 75 Mbps upload, though it can be less consistent than fiber or cable. 5G Home Plus costs $45/mo promotional rate, then $70/mo, while 5G Home costs $35/mo promotional rate, then $60/mo; both are available to 75.7% of Mercer Island, so confirm your address before choosing, especially if you need highly reliable service for multiple users or heavy uploads.
Available Plans
Licensed Fixed Wireless
Licensed Fixed Wireless
Licensed Fixed Wireless
Speed Score: Faster than 97% of all internet options in Washington
SPEED SCORE
Local data shows excellent speeds for your area
This score is based on local bandwidth data and indicates this provider offers some of the best speeds available in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Excellent
Excellent
Excellent
Excellent
THE TAKEAWAY
Our recommendation for Mercer Island
Astound Broadband is an excellent choice for fiber service, offering speeds up to 2000 Mbps download and 2000 Mbps upload with a Speed Score of 97/100. Fiber coverage reaches 3.0% of Mercer Island, so confirm this high-performance option is available at your specific address.
About Astound Broadband
Astound Broadband is an excellent option for homes it serves, but its availability in Mercer Island is very limited at 3.0% of census blocks. Its fiber plan offers up to 2000 Mbps download and 2000 Mbps upload with a 97/100 Speed Score, so check your address to see whether this fast connection is available.
Available Plans
Fiber
Best plan here: All-In Home Internet — faster than 76% of all internet options in Washington
- All-In Home Internet$70/mo promotional rate, then $80/mo5G Fixed Wireless498 MbpsDownload76Our score$70Per month
- Rely Home Internet$50/mo promotional rate, then $60/mo5G Fixed Wireless354 MbpsDownload76Our score$50Per month
Source: T-Mobile official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows average speeds for your area
This score is based on local bandwidth data and indicates this provider offers competitive speeds in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Good
Adequate
Adequate
Good
THE TAKEAWAY
Our recommendation for Mercer Island
Households seeking a competitive fixed-wireless option for streaming, work, and everyday use may find T-Mobile worth considering, with up to 498 Mbps download and 55 Mbps upload on All-In Home Internet and a 76/100 Speed Score, above the city average of 68. Fixed wireless can be adequate but may be less consistent than wired service, and these plans are available to 63.9% of Mercer Island, so confirm availability and expected performance at your address.
About T-Mobile
Households that want good everyday internet for streaming, work, and several connected devices may find T-Mobile a solid fit, with fixed-wireless plans offering up to 498 Mbps download and 55 Mbps upload for $70/mo promotional rate, then $80/mo, or up to 354 Mbps download and 55 Mbps upload for $50/mo promotional rate, then $60/mo. These are adequate rather than fiber or cable, and both have a Speed Score of 76/100 and are available to 63.9% of Mercer Island, so check your address and compare faster wired options first if you need maximum consistency for heavy use.
Available Plans
Licensed Fixed Wireless
Licensed Fixed Wireless
Best plan here: AT&T Internet Air — faster than 76% of all internet options in Washington
- AT&T Internet Air$55/mo promotional rate, then $60/mo5G Fixed Wireless300 MbpsDownload76Our score$55Per month
Source: AT&T official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows average speeds for your area
This score is based on local bandwidth data and indicates this provider offers competitive speeds in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Good
Adequate
Adequate
Good
THE TAKEAWAY
Our recommendation for Mercer Island
AT&T Internet Air costs $55/mo promotional, then $60/mo, for up to 300 Mbps download and 300 Mbps upload, offering strong value for a fixed wireless plan. Its Speed Score of 76/100 is above Mercer Island’s city average of 68, making it a competitive option, though fixed wireless may be more variable than wired service. The plan is available to 68.6% of the city, so verify your address and compare wired options if consistent low latency is important.
About AT&T
AT&T Internet Air costs $55/mo promotional, then $60/mo, for up to 300 Mbps down and up, making it a solid value for everyday streaming, video calls, and work from home. Its fixed wireless connection is adequate rather than as dependable as fiber or cable, and it is available to 68.6% of Mercer Island, so check your address before signing up if you need consistently strong performance.
Available Plans
Licensed Fixed Wireless
Licensed Fixed Wireless
Best plan here: Residential – Max — faster than 68% of all internet options in Washington
- Residential – MaxSatellite400 MbpsDownload68Our score$130Per month
- Residential – 200 MbpsSatellite200 MbpsDownload56Our score$85Per month
- Residential – 100 MbpsSatellite100 MbpsDownload56Our score$55Per month
Source: Starlink official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows below average speeds for your area
This score is based on local bandwidth data and is an indicator that there are better options in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Adequate
Poor
Poor
Adequate
THE TAKEAWAY
Our recommendation for Mercer Island
Satellite service can handle everyday browsing and streaming, but it typically has higher latency and more variable performance than wired connections. Starlink’s Residential – Max plan offers up to 400 Mbps download and 30 Mbps upload with a 68/100 Speed Score, about the same as the city average of 68, while the 200 Mbps and 100 Mbps plans score 56/100. The plans are listed as available to 100.0% of Mercer Island, but confirm service at your address and check other available options first if low latency or consistently responsive performance matters.
About Starlink
Satellite internet gives Starlink broad reach, but its higher latency can make gaming, video calls, and other real-time activities less responsive than fiber or cable. All three plans are available to 100.0% of Mercer Island, with up to 400 Mbps download and 30 Mbps upload for $130/mo, up to 200 Mbps download and 25 Mbps upload for $85/mo, or up to 100 Mbps download and 25 Mbps upload for $55/mo; the below-average Speed Scores of 68/100 and 56/100 make it worth checking for faster fiber or cable at your address first.
Available Plans
Ngso Satellite
Best plan here: Fusion — slower than 69% of all internet options in Washington
- Fusion$94.99/mo for the first 12 months, then $119.99/moSatellite100 MbpsDownload31Our score$94.99Per month
- Select$49.99/mo for the first 12 months, then $74.99/moSatellite50 MbpsDownload8Our score$49.99Per month
- Lite$39.99/mo for the first 12 months, then $49.99/moSatellite25 MbpsDownload1Our score$39.99Per month
Source: HughesNet official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows below average speeds for your area
This score is based on local bandwidth data and is an indicator that there are better options in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Poor
Poor
Poor
Poor
THE TAKEAWAY
Our recommendation for Mercer Island
At $94.99/mo for the first 12 months, then $119.99/mo, HughesNet’s Fusion plan offers up to 100 Mbps download and 5 Mbps upload, but its 31/100 Speed Score is below the city average of 68. As satellite service, it has higher latency and more limited performance than fiber or cable, so checking what other technologies reach your address first is advisable. Fusion is shown as available to 100.0% of Mercer Island, while the lower-priced Select and Lite plans offer up to 50 Mbps and 25 Mbps download, respectively.
About HughesNet
At $94.99/mo for the first 12 months, then $119.99/mo, HughesNet’s Fusion plan offers up to 100 Mbps download and 5 Mbps upload, while Select and Lite cost $49.99/mo and $39.99/mo initially for up to 50/5 and 25/3 Mbps, so the value is limited for these below-average satellite speeds. HughesNet reaches 100.0% of Mercer Island, but check your address for fiber or cable first, since satellite is better treated as a fallback and may not be sufficient for modern streaming, gaming, or work needs.
Available Plans
Gso Satellite
Best plan here: Viasat Essentials — slower than 92% of all internet options in Washington
- Viasat EssentialsSatellite55 MbpsDownload8Our score$69.99Per month
- Viasat UnleashedSatellite34 MbpsDownload1Our score$99.99Per month
Source: Viasat Inc official site · checked monthly · availability varies by address
SPEED SCORE
Local data shows below average speeds for your area
This score is based on local bandwidth data and is an indicator that there are better options in your area.
The calculated local speed score is based on real-world data showing average speeds in your area. Speed Scores are not static and fluctuate based on the location being checked for serviceability. Average speeds within a ZIP Code may not be reflective of your specific location. Enter your full address to access the most accurate speed score.
EST. CAPABILITIES
Poor
Poor
Poor
Poor
THE TAKEAWAY
Our recommendation for Mercer Island
Viasat is a limited-performance option in Mercer Island, so check what else is available at your address before choosing it. Its best plan, Viasat Essentials, offers up to 55 Mbps download and 4 Mbps upload for $69.99/mo, with a Speed Score of 8/100, below the city average of 68. Satellite service is shown as available to 100.0% of the city, but address-level availability and higher latency matter, while Viasat Unleashed drops to up to 34 Mbps download and 4 Mbps upload with a 1/100 score.
About Viasat Inc
Viasat Inc is mainly a fallback option in Mercer Island, so check for faster wired or other local service before choosing it. Its satellite plans are available to 100.0% of the city, but the fastest, Viasat Essentials, offers up to 55 Mbps download and 4 Mbps upload with a Speed Score of 8/100, while Viasat Unleashed offers up to 34 Mbps download and 4 Mbps upload with a score of 1/100, and satellite latency can make video calls, gaming, and other modern uses less reliable.
Available Plans
Gso Satellite
Every plan available in Mercer Island
All 21 product lines from the 9 providers with published pricing here, showing the price you would be quoted today and what it reverts to.
Showing 10 of 21 plans
- Xfinity1.2/2 Gig$90/mo for the first 12 months, then $100/mo2,000 MbpsDownload95Our score$90$100Per month~100%CoverageCable
- Xfinity1 Gig$60/mo for the first 12 months, then $70/mo1,000 MbpsDownload85Our score$60$70Per month~100%CoverageCable
- Xfinity300 Mbps$40/mo for the first 12 months, then $45/mo300 MbpsDownload76Our score$40$45Per month~100%CoverageCable
- Xfinity500 Mbps$50/mo for the first 12 months, then $60/mo500 MbpsDownload76Our score$50$60Per month~100%CoverageCable
- StarlinkResidential – Max400 MbpsDownload68Our score$130Per month~100%CoverageSatellite
- Verizon5G Home Plus$45/mo promotional rate, then $70/mo1,000 MbpsDownload79Our score$45$70Per month~75.7%Coverage5G Fixed Wireless
- Verizon5G Home$35/mo promotional rate, then $60/mo300 MbpsDownload76Our score$35$60Per month~75.7%Coverage5G Fixed Wireless
- StarlinkResidential – 100 Mbps100 MbpsDownload56Our score$55Per month~100%CoverageSatellite
- StarlinkResidential – 200 Mbps200 MbpsDownload56Our score$85Per month~100%CoverageSatellite
- AT&TAT&T Internet Air$55/mo promotional rate, then $60/mo300 MbpsDownload76Our score$55$60Per month~68.6%Coverage5G Fixed Wireless
Prices are the current promotional rate where one is advertised. Sourced monthly from each provider’s own site; availability varies by address.
Compare Mercer Island providers head-to-head
See how Mercer Island’s providers stack up against each other — speed, coverage, price, and who wins block by block.
Best Fit by Household Type in Mercer Island
Best Fit
Students & Roommates
Choose Xfinity's promotional starting 300 Mbps plan at $40/mo; it reaches 100% of Mercer Island for shared streaming.
Xfinity's full-city cable reach avoids the address splits shown for fiber and fixed wireless on Mercer Island.
Check first: Confirm the exact address before ordering any alternative tier, especially fiber or fixed wireless.
Best Fit
Remote Workers
Choose Xfinity's promotional starting 1 Gig plan at $60/mo; it reaches 100% of Mercer Island for video calls.
Its full-city reach offers a consistent local option when higher-tier fiber availability varies by address.
Check first: Check whether fiber is available at your address; Quantum Fiber's 2000/1000 Mbps tier reaches about 48%.
Best Fit
Gamers & Streamers
Pick Xfinity's promotional starting 1.2/2 Gig plan at $90/mo for 2000/2000 Mbps; it reaches about 100% of Mercer Island.
Its full-city cable footprint supports simultaneous gaming, streaming, and high-resolution uploads across Mercer Island.
Check first: Check the address if considering Astound's 2000/2000 Mbps fiber, which reaches only about 3% locally.
Best Fit
Rural & Edge-of-City Homes
Choose Starlink Residential 100 Mbps at its promotional starting $55/mo; it reaches 100% of Mercer Island.
Starlink's 100 Mbps satellite plan reaches the entire city, useful when wired or fixed-wireless options vary by address.
Check first: Check whether Xfinity or fixed wireless serves the exact address before choosing satellite.
Top ZIP-Level Insights in Mercer Island
North End
Xfinity is currently the strongest option for 2000/2000 Mbps cable availability.
In ZIP 98040's North End, Xfinity's 2000/2000 Mbps cable tier covers 36.4%, ahead of Quantum Fiber's 35.4%.
North End
Xfinity is currently the strongest option for most households with regular streaming and work-from-home needs.
Xfinity leads this ZIP with 36.4% best-address share.
Internet providers near Mercer Island
Coverage can change completely a few miles down the road. If you’re moving to or shopping just outside Mercer Island, check the neighboring market directly.
Mercer Island Internet FAQs
What is the fastest internet speed in Mercer Island?
The fastest listed speed is 2000 Mbps downstream: Xfinity's 2000/2000 Mbps cable tier reaches about 100% of Mercer Island. Quantum Fiber also lists 2000 Mbps downstream through its 2 Gig fiber tier, but that technology reaches about 48%, so verify the exact address before choosing.
Can I get fiber in Mercer Island?
Yes—fiber reaches 49.3% through Quantum Fiber's 200 Mbps plan, 39.9% through CenturyLink's 940 Mbps plan, and 3% through Astound Broadband's fiber. Quantum Fiber's 2 Gig tier reaches about 48%, so fiber availability depends on your exact Mercer Island address rather than the provider's overall listing.
What is the cheapest internet plan in Mercer Island?
The city's cheapest plan is Quantum Fiber Simply Fiber Internet 200 Mbps at a promotional starting rate of $30/mo, reaching 49.3% of Mercer Island. At qualifying addresses, it is the lowest listed price; confirm your address because that plan's reach is not citywide.
How much speed do I need for my Mercer Island home?
The data gives no universal requirement; Xfinity's promotional starting 300 Mbps plan costs $40/mo and reaches 100% of Mercer Island. For heavier simultaneous use, Xfinity also lists 500 Mbps, 1 Gig, and 2000 Mbps tiers, each reaching 100%, so match the tier to household demand.
Is fiber available in Mercer Island's North End?
Yes—ZIP 98040's North End lists Quantum Fiber at 35.4% with 2000/1000 Mbps fiber and Astound Broadband at 6.0% with 2000/2000 Mbps fiber. Xfinity cable also reaches 36.4% there at 2000/2000 Mbps, so verify the exact address and technology before ordering.
How We Analyze Internet in Mercer Island
FCC Broadband Data
We use the FCC National Broadband Map, updated twice a year with provider-reported coverage at the census block level.
Speed Score
Our proprietary score weights technology type (fiber=100%, cable=85%, etc.) with download (70%) and upload (30%) speeds, ranked as a state percentile.
Coverage Calculation
Provider coverage shows what percentage of census blocks in Mercer Island report service availability from each provider.
Data Coverage for Mercer Island
How We Calculate Speed Score
Our Speed Score is a state-level percentile ranking (0-100) that shows how a provider’s service compares to all other internet options available in your state.
The Formula:
We calculate a raw performance score using:
Technology Factor × (Download Speed × 70% + Upload Speed × 30%)
Technology Factors:
Not all connections are equal. We weight each technology based on real-world reliability and performance:
- Fiber: 100% – Fastest, most reliable technology
- Cable: 85% – High speeds, shared neighborhood bandwidth
- Fixed Wireless (Licensed): 70% – Dedicated spectrum, weather-dependent
- Copper/DSL: 65% – Distance-limited, aging infrastructure
- Fixed Wireless (Unlicensed): 60% – Shared spectrum, variable performance
- Satellite (LEO): 40% – Low-earth orbit (e.g., Starlink), higher latency
- Satellite (GEO): 15% – Geostationary orbit, significant latency
Percentile Ranking:
After calculating raw scores, we rank every service option in your state by geographic coverage (census blocks served). A score of 85 means this service performs better than 85% of all internet options available in your state.
Data Source: FCC National Broadband Map data, updated twice a year.
How We Calculate Capabilities
Estimated Capabilities predict how well each internet plan supports common household activities based on speed requirements and connection type.
Rating Scale:
- Excellent – Optimal performance, handles peak usage easily
- Good – Reliable performance with minimal issues
- Fair – Functional but may experience slowdowns during heavy use
- Poor – Not recommended; expect frequent buffering or lag
How We Rate Each Category:
Streaming
Based on download speed. 4K streaming requires 25+ Mbps per stream; HD requires 5+ Mbps. We account for multiple simultaneous streams.
Multi-device
Evaluates total bandwidth capacity divided by typical household device count (phones, tablets, smart TVs, computers). Fiber and cable handle many devices better than DSL or satellite.
Gaming
Considers both upload speed (for sending game data) and latency (ping time). Fiber and cable excel here; satellite connections struggle due to inherent signal delay.
Whole Home
Assesses whether the connection can reliably serve an entire household during peak evening hours. Factors in technology type (shared vs. dedicated bandwidth) and total speed capacity.
Note: Actual performance depends on your specific location, network congestion, and equipment quality.