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Astro SEO Theme is a free, MIT-licensed starter for building B2B SaaS and enterprise websites with Astro. Its author, David Rueda, claims a 100/100 Lighthouse Performance score and zero client-side JavaScript by default—but the project’s published materials do not include an independently reproducible test report, so treat the score as a project claim rather than a verified result.
What Astro SEO Theme includes
David Rueda introduced the open-source template in a DEV Community post on September 25, 2026. The project is a downloadable website starter, not a hosted website-building service. Its intended audience is teams creating B2B SaaS or enterprise sites. Read the author’s DEV post; the project code and documentation are in the GitHub repository.
The README describes a stack of Astro 5, Tailwind CSS 4, React 19, and TypeScript. The template includes a marketing landing page, a Markdown/MDX-driven blog, case studies, and English and Spanish routes. Those are project-documented capabilities; they do not establish that a site built from the template will rank well or meet a particular performance target.
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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsDoes it really score 100/100 on Lighthouse?
The project README advertises “100/100 Lighthouse Performance,” and the author’s post says the template was validated for mobile and desktop. The project also describes client-side JavaScript as zero by default, with JavaScript used when a feature such as its React dark-mode toggle needs it. These statements describe the author’s claims and design approach, not an independently verified result.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
The reviewed project materials do not publish a dated, reproducible Lighthouse report with a tested URL and build, Lighthouse version, device settings, or repeatable test procedure. Without those details, readers cannot independently confirm the score or compare it fairly with another template. Nor does a score for a starter guarantee the same result after adding content, images, scripts, analytics, or other customizations.
Which SEO features are documented?
The README describes technical SEO components intended to help configure site metadata and discovery:
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
- Canonical URLs and hreflang: Centralized handling for canonical links and language alternatives across the documented English and Spanish routes.
- Structured data: JSON-LD components for adding structured data to pages.
- Sitemap and robots.txt: Sitemap generation and a static
robots.txtfile. - Content model: Markdown/MDX content for the blog, alongside landing-page and case-study content.
These are implementation features listed by the project, not evidence of search-ranking gains. Their value depends on correct content, URLs, structured-data choices, and configuration in the finished site.
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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchSecurity headers and deployment options
The README documents Content Security Policy and other response-header configuration aimed at Vercel deployments. It warns that the policy can block third-party scripts unless it is adjusted. If you add analytics, embeds, or other external resources, check that the policy permits the resources your site actually uses.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
The project also documents deployment to Netlify and Cloudflare Pages, as well as Vercel. It describes static output that can be served by a static host; its documentation does not establish that one host is faster, cheaper, or better for every project.
How to install and build it
The README lists Node.js 18 or later and npm as requirements, with pnpm and yarn as alternatives. Its documented workflow uses the Astro CLI to scaffold the theme, followed by dependency installation and the development server or production build.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
- Scaffold the project: Run
npm create astro@latestand follow the prompts to use the Astro SEO Theme template. - Install dependencies: In the new project directory, run
npm install. Usepnpm installoryarn installif you selected one of those package managers. - Set the production domain: Edit
astro.config.mjsand set thesitevalue to your website’s canonical domain before building for production. - Run it locally: Start the development server with
npm run devand inspect the site in a browser. - Build for deployment: Run
npm run buildand deploy the generated static output using a host supported by your project setup.
The domain setting is important: the README warns that leaving the incorrect site value can cause the generated sitemap and robots.txt to point to the wrong domain.
Who should consider this starter?
It may suit a team that wants an Astro-based marketing site with a blog, case studies, documented multilingual routes, and ready-made technical SEO components. Before adopting it, check that its versions and configuration fit your existing project, review the components you will customize, and confirm that the security policy works with your planned third-party scripts.
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
For a performance comparison, test the same deployed build under the same Lighthouse version and device settings, and record the tested URL and conditions. The project’s headline score alone is not a like-for-like benchmark against another template or a prediction of your finished site’s result.
License and project terms
The README identifies the theme as MIT licensed and says it is free for personal and commercial projects. Read the license in the repository and check the current README before adopting it, since project documentation and implementation details can change.
Quick Recap
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