User Agent Links
| Link | Description |
|---|---|
| Application Signatures | List of Application Signatures - similar to Agent patterns - that can be used in Microsoft ISA 2004/2006. No detail page information. |
| Birthday-Party-Locations.com | Contributor, with IIS log statistics, to this subsite data. |
| Bots vs Browsers: Public Bot, User Agent Database and Commentary | Thousands and thousands of User Agent strings, collected not only from their site, but also from a couple of external contributing websites, which shared their web log statistics - which is great.
No separate list of Agents, but you can get some summary information on the strings, based on the somehow limited detailed information they keep in their database. Keyword-based search for agent strings in their database, with top searches displayed. Plenty of articles - blog-style and RSS/Feed-style entries - on User Agents. They also have an online User Agent Test Track, with which it looks like you can impersonate a different User Agent string to access another site and see how it reacts. It's interesting, but that's also a feature that empowers any online user to mess-up and confuse other site owners. |
| BotSpot - The Spot for All Bots | Site specialized on selling bots-related software. |
| Browser ID User-Agent Strings | Great information on Agents, with lots of feedback collected from users. No User Agent String parser, but their lists look alive, because of the interaction the owner encourages with the users. It also looks like it is frequently updated, which is a very good thing. |
| CrawlTrack | Free GNU application, which allows you to track search engine crawlers and spiders that visit your website. |
| FAQS.org - RFC 1945 | User-Agent string format described. See also RFC 2068. |
| FAQS.org - RFC 2068 | User-Agent string format described. See also RFC 1945. |
| Identify User Agent by string format recognition | Good technical article on how to parse a User Agent string with a Regular Expression formula. It tries to follow the standards defined by RFCs. |
| iHaystack - Top 10 Browser Agents This Week | One of the many pages on Internet where site owners expose User Agent strings of their most frequent visitors. |
| Mozilla.org - User-Agent Strings | Some standard info about User-Agent string for Mozilla-based browsers. |
| NetPromoter - List of supported Spiders and Crawlers, by country and language | List of about 200 known spiders, by country or primary language, used by NetPromoter products. |
| PGTS - List of Robot Agent Strings | This site has a huge number of identified robots and collected User Agent strings, likely from their own site, exposed in different formats: HTML rich and simple pages. Detailed information on robots. Also look for other pages on this site. |
| RobotsTxt.org | Old robots.txt-related site, with a Web Robots Database publicly exposed, in both HTML and text format. Detailed agent information, maintained by bot owners. Many bot entries look like have been updated few years ago and are now obsolete. |
| RubyRobot.org - Spoofing the User Agent with Safari or Firefox | Short article on changing your User Agent string on Safari and Firefox. |
| Tracker for User Agents and Bots | 30+ pages of different User Agent strings, probably detected from their web site log. URLs to robot pages and info on IP the visitors came from. Beside this, not too much classification or detailed information on Agents. |
| User Agent Info | Lists of Agents, with detailed information on crawlers and classification: Search Engine Spiders, E-Mail Collectors, Code Validators etc. Detailed info on agents, with IPs and host names.
Alphabetical index of all database entries. Not too many agents, User Agent strings, and the site looks like has been last time updated few years ago. |
| User-Agents.org - List of User-Agents (Spiders, Robots, Crawler, Browser) | Large lists of User Agent strings, on five different pages: A-F, G-L, M, N-S, T-Z. Detailed info on recognized agents. Database search feature and feedback for changes. List and RSS/Feed with recent additions and updates. |
| UserAgentString.com | Conceptually, a great site, with a designed that has been used as basis for our own subsite. Their User Agent String Parser provides detailed information on each discovered pattern and direct links to external information. For each Agent, they also provide extensive lists of associated User Agent strings you can click on and parse.
The only reason why we decided to build our own subsite was their list of Agents is somehow limited, and there is no information about how this will grow over time. |
| What's in a User-Agent String? | Information article on User-Agent strings, with detailed for different browsers. |
| What's My User Agent? | Simple page with some user agent strings from own site visitors, including your own string. |
| Wikipedia - User Agent | Good overview for User Agent strings, User Agent spoofing or sniffing, dissected User Agent strings for Internet Explorer, Netscape and Mozilla, and historical data. |
| XtractPro (Data Extraction Magazine) | Our hosting main site, a free online publication with plenty of articles and open-source projects for software developers, including User-Agent related topics.
Also a contributor, with IIS log statistics, to this subsite data. |
