This tool is for bulk checking the values ​​of multiple web page META tags, JavaScript variables and functions, Google Analytics function parameters, etc. at once. It is also possible to customize the tag to be checked and the function name / variable name. The results can be downloaded in CSV. [check items] - title - h1 - meta[name="robots"] - link[rel="canonical"] - link[rel="alternate"] - meta[name="keywords"] - meta[name="description"] - h1 - script[type="application/ld+json"] etc [About customizing check items] Tags and attributes to be checked are freely customizable. In addition to meta tags, you can also specify the value of any HTML tag, such as bread crumbs, or the value of an attribute. Please set according to the markup rules of each site. The values ​​of Java Script variables and function names can also be set as acquisition targets. Since the page is opened once in the browser and then the HTML is checked, the tags drawn in the tag manager are also checked. [about privacy] - The check results and registered configuration data are not sent to any servers. - According to correspond to manifest v3, analyzed via Google Analytics is stopped. [release note] -v.2.0.0 correspond to manifest v3