HTTP Header Checker - cmlabs SEO Tools icon

HTTP Header Checker - cmlabs SEO Tools

by cmlabs Developer · cmlabs.co · Developer Tools
Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

This tool helps you inspect and analyze the headers of HTTP requests and responses exchanged between client and server.

Users
300
+6 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
5
0 in 30 days
Store rank
#54K
#45K among extensions
Version
1.0.1
updated 16 May 2024

Users

monthly, 2 years
0150300May 2024Aug 2025Oct 2026
Latest, 15 Oct 2026: 300 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
025May 2024Aug 2025Oct 2026
Latest, 15 Oct 2026: 5 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About HTTP Header Checker - cmlabs SEO Tools

The HTTP Header Checker is a tool designed to inspect and analyze the headers of Hypertext Transfer Protocol (HTTP) requests as well as responses exchanged between client and server. This tool is one of the most essential components containing important metadata and instructions that oversee how data is transmitted and processed. When we are speaking about cybersecurity, this tool stands as the first line of defense to protect particular websites from potential threats. Download and try now! Features & Benefits The HTTP Header Checker by cmlabs offers a range of valuable advantages that contribute to enhanced security, optimized performance, and streamlined development within the digital landscape. - This tool is available for free. - Performance Optimization: This tool is designed to fine-tune performance for optimal user experience. It analyzes headers to control caching mechanisms, compression settings, and content delivery strategies, which is incredibly important if you want seamless and responsive browsing. - Robust Security Enhancement: This tool can be your powerful ally in fortifying cybersecurity measures. It meticulously inspects HTTP headers to identify and rectify potential vulnerabilities, ensuring that critical security headers are correctly configured. - Simplified Compliance and Standards: This tool will verify that headers align with recommendations from authoritative bodies to help maintain a high level of professionalism and credibility. - Comprehensive SEO and Accessibility Support: This tool goes beyond the technical realm. It can also contribute to improved search engine visibility and accessibility. This tool will ensure that meta tags and other SEO-relevant headers are correctly configured. Here are some of the tool’s benefits you should know about: - Easy to understand UI: It is designed to make it easier for users to operate it. - Fast checking process: Users don't need a long time to check hreflang tags. - Comprehensive results: The tool can display the hreflang tag, the language used, and the target region of the URL being checked. - History: The history of using this tool will be recorded in the Local History feature making it easier for you to check it again How to Use 1. Open the HTTP Header Checker Page Select the HTTP Header Checker option to start inspecting the headers of the desired website. 2. Input the URL To initiate the review process, you will be asked to input a URL as shown in the example within the blue box. To ensure a smooth review process, make sure the URL you input follows the following format: https://www.example.com. 3. Start the Inspection The next step is to start the inspection process. After entering the URL, simply press the "Check URL" button to initiate the process. Then, wait a few moments until the analysis results are successfully loaded. Rest assured, because the inspection process of this tool will be just as fast as you blinked! 4. Analyze the Results After the loading phase is complete, you will be presented with a wide range of outcomes that showcase the website's performance. The examination results cover essential details such as Connection, Content-Type, Date, Etag, Link, Platform, Server, and beyond. Help & Support We value your feedback! If you have any suggestions for improving the HTTP Header Checker or encounter any issues while using the tool, please don't hesitate to let us know. Our support team is here to help. Reach us by email at: marketing@cmlabs.co dev@cmlabs.co

Growth

WindowUsersChangeRatingsRating
7 days−5−1.6%00.00
30 days+6+2.0%00.00
6 months+16+5.6%00.00
1 year+51+20.5%00.00

Chrome Web Store search rankings

Where HTTP Header Checker - cmlabs SEO Tools appears when people search the store, with the 30 day change
Search phrasePosition30 days
header#87new

Version history

2 versions recorded
1.0.116 May 2024
1.0.014 May 2024

Details

Category
Developer Tools
First seen
14 May 2024
Size
3.6 MB
Languages
en
Pricing
Free
Privacy policy
cmlabs.co
Extension ID
anheghnibajoikjegiciidlmnnffecha

Permissions and risk

Low riskimpact 2, likelihood 1
Permissions
storagetabs

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