SpeedSize vs SundaySky
SpeedSize vs SundaySky, compared side by side on 20 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: SpeedSize is on 33/100 and SundaySky on 60/100.
Where each one leads
SpeedSize
- LinkedIn following: 6,368,401 against 17,568
SundaySky
- our overall score: 60/100 against 33/100
- agent readiness: 47/100 against 32/100
- domain rating: 69/100 against 60/100
- headcount: 109 against 44
At a glance
| Measure | SpeedSize | SundaySky |
|---|---|---|
| What it is | AI-powered image and video compression to accelerate website media loading speeds. | SundaySky provides a video experience platform enabling brands to deliver personalized video content at scale across customer journeys. |
| Category | Media, Website, Optimization, AI Infrastructure | Media, Video, Personalized, Publishing |
| Sells toBusiness model | B2B, B2C | B2B |
| Offering | Software | Software |
| Founded | 2019 | 2006 |
| Headquarters | Tel Aviv, Israel | New York, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | SpeedSize | SundaySky |
|---|---|---|
| Employees | 44 | 109 |
| Headcount growthLast 12 months | Not published | -13.9% |
| Total funding | Not published | $110M |
| Latest round | Not published | Series D |
| Valuation | Not published | $240M |
| LinkedIn followers | 6,368,401 | 17,568 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | SpeedSize | SundaySky |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 33/100 | 60/100 |
| Traction | 16/100 | 60/100 |
| Team | 30/100 | 60/100 |
| Search visibility | Not published | 36/100 |
| Quality | Not published | 65/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (32/100) | D (47/100) |
| Domain ratingLink authority, 0-100 | 60/100 | 69/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | SpeedSize | SundaySky |
|---|---|---|
| Hosting | AWS | AWS |
| CDN | CloudFront | CloudFront |
| CMS | Not detected | WordPress |
| Frameworks | Next.js, Tailwind CSS | Jquery, Bootstrap |
| Analytics | Linkedin Insight | Google Tag Manager |
| Support stack | HubSpot | HubSpot, Zendesk |
| Open source | Yes | No |
SpeedSize vs SundaySky: common questions
Which is better, SpeedSize or SundaySky?
On our 0-100 score SundaySky rates higher (60/100 against 33/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 20 data points above: read the rows that match what you are buying for.
How do SpeedSize and SundaySky compare on the numbers?
SpeedSize leads on LinkedIn following (6,368,401 against 17,568). SundaySky leads on our overall score (60/100 against 33/100), agent readiness (47/100 against 32/100), domain rating (69/100 against 60/100), headcount (109 against 44).
Read the full SpeedSize review and pricing or the SundaySky review and pricing. You can also browse other SpeedSize alternatives we track.