Contact Form 7 vs Mailster
Side-by-side comparison based on real-world adoption data from 11,747 detections across analyzed websites.
Market Share Distribution
Contact Form 7
PluginsFree WordPress contact form plugin supporting multiple forms, AJAX submission, CAPTCHA integration, and Akismet spam filtering.
Our Analysis
Contact Form 7 is significantly more popular than Mailster in our dataset, appearing on 11744 websites compared to 53. 21 websites use both technologies together (0% overlap). Both are in the Plugins category, making them direct alternatives.
Contact Form 7 vs Mailster: In-Depth Analysis
Contact Form 7 and Mailster represent two distinct tiers of adoption within the WordPress plugin ecosystem, with the former maintaining a detection count of 547 compared to the latter's 3. For engineering teams, the disparity in footprint suggests a fundamental difference in utility and market penetration. Contact Form 7 is established as a free solution for managing multiple forms with integrated AJAX submission and spam filtering via Akismet and CAPTCHA. In contrast, Mailster operates as a specialized plugin within a much smaller niche of the StackOptic dataset. While Contact Form 7 is deployed across a diverse range of high-traffic sites like 972mag.com and abet.org, Mailster's presence is limited to a select few domains such as uoc.gr. Analyzing these tools requires understanding how a high-volume utility like Contact Form 7, which appears on 547 sites, compares to a niche plugin like Mailster in a production environment.
Key Differences
- Market Adoption: Contact Form 7 has a significantly higher footprint with a site count of 547, whereas Mailster is detected on only 3 sites.
- Feature Specification: Contact Form 7 provides documented support for AJAX submission, CAPTCHA integration, and Akismet spam filtering, while Mailster's specific feature set is not detailed beyond its classification as a plugin.
- Site Profile: Contact Form 7 is utilized by organizations like the American Board of Engineering and Technology (abet.org) and the American Association of Neurological Surgeons (aans.org), while Mailster is found on sites like openculture.com.
- Form Management: Contact Form 7 explicitly supports the creation and management of multiple contact forms, a capability not specified for Mailster in the available data.
- Scalability and Reach: With a detection count of 547, Contact Form 7 demonstrates broad compatibility across various industries, whereas Mailster's 3 detections suggest a more targeted or limited application.
When to choose Contact Form 7
Contact Form 7 is the superior choice when a site requires a proven, high-volume solution for form management. Given its 547 detections, it is suitable for projects needing AJAX-based submissions and robust spam protection through Akismet and CAPTCHA. Technical leads should prioritize Contact Form 7 when the requirement involves handling multiple forms across a single WordPress installation. Its presence on major domains like aclunc.org and abnt.org.br indicates it is a reliable standard for organizations requiring a free, stable plugin that has been vetted by a large user base across the StackOptic dataset.
When to choose Mailster
Mailster should be considered when the specific requirements of a project align with its niche plugin functionality, despite its lower site count of 3. While it lacks the broad adoption of Contact Form 7, its presence on notable sites like relevantmagazine.com and openculture.com suggests it serves a specific purpose for content-heavy or academic platforms. It is an appropriate pick for developers who are already operating within the environments where it is currently deployed, particularly when the broad, multi-form capabilities of Contact Form 7 are not the primary technical driver for the site's architecture.
Market Insight
The market data reveals a significant overlap relative to Mailster's total footprint. Out of the 3 sites using Mailster, 2 of them—openculture.com and relevantmagazine.com—also utilize Contact Form 7. This shared count indicates that these plugins are frequently used in tandem rather than as mutually exclusive alternatives. While Contact Form 7 dominates with 547 total detections, the 66.6% overlap for Mailster users suggests that Mailster often complements the broader form-handling capabilities provided by Contact Form 7 in complex WordPress environments.
Sites Using Both (21)
Only Contact Form 7
The Verdict
The data indicates that Contact Form 7 is the industry standard for general form management with 547 detections, while Mailster serves a specialized role on a limited number of sites. The high shared count of 2 sites between them suggests that engineering teams often deploy both plugins to address different functional requirements. Organizations should select Contact Form 7 for its proven AJAX and spam filtering capabilities, while viewing Mailster as a specialized addition for specific site configurations.
Frequently Asked Questions
How do Contact Form 7 and Mailster compare in terms of market presence?
Contact Form 7 has a much larger presence with 547 detections, while Mailster is found on only 3 sites according to the dataset.
Can Contact Form 7 and Mailster be used on the same website?
Yes, market data shows a shared count of 2 sites, including openculture.com and relevantmagazine.com, where both plugins are active simultaneously.
What specific features does Contact Form 7 offer that Mailster does not?
Contact Form 7 explicitly provides AJAX submission, CAPTCHA integration, and Akismet filtering, whereas Mailster's specific features are not listed in the provided data.
Which high-profile sites utilize both Contact Form 7 and Mailster?
According to the shared sites sample, both relevantmagazine.com and openculture.com utilize both technologies.
Is Contact Form 7 more suitable for large organizations than Mailster?
With a site count of 547 and users like aans.org and abet.org, Contact Form 7 has a more established track record in diverse organizational environments than Mailster.
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