WCAGアクセシビリティチェッカー
Test any URL against WCAG accessibility web standards.Fast. Be ready to:suppress italicsadd missing labelsrepeating IDsincrease contrast and/or font size…This tool will tell you a lot for free, precisely the details and the locations.
ワームホールフリーの暗号化ファイル共有
Super convenient file sharing system, encrypted from end to end.Upload any of your big file you have to share with a customer or supplier (if your company policy is OK with that), and you’ll get the simple link you can share.Up to 5Go: your file is uploaded to their server and you can close your browser5 to 10 Go: this is a peer to peer between your browser and other peer clients = you must let your browser open during that time, but nothing to install nor any registration.And you decided the parameters:how long to let on their servers, up to 24hhow many times it can be downloaded (from 1 […]
ThousandEyesのインターネット障害マップ
An interactive map, showing worldwide internet network status.Powered by Cisco and updated every 5 minutes, it show the status of several main service providers, so as 32 global communication providers.If you are relying on a big cloud or internet service provider, as soon as you notice some reach-ability anomaly on your own service, this is the first place to check before performing your ping test.
VirusTotal ウイルスおよび脅威スキャナー
An online antivirus: VirusTotal acts as an aggregator of various virus, threat and breach scanners.You can submit your file (see note below on that), any url or search for any known threat by the cybersecurity community. Completely free to use for any personal needs.Some online software vendors also use this service as an independent reviewer of their sold product.
メール送信テスター
If you have problems with your server sending emails, usually a SMTP or DNS problem, this is it for testing.Try to send 1 mail to the special single-use email given here, and it will analyse the results:Your SpamAssassin score & more important, its detailed scores (ex: “From abused NTLD” or “Untrustworthy TLDs”) … all of which can be arguable, but at the end, this is how remote servers see your emails …if your email or domain is blacklisted (more than 20 blacklisting servers tested)SPF, DKIM, DMARCif the content contents errors & how it is viewedthe headerthe DNS usedand more.
LinkedInテキストフォーマッター
You wonder how others format their text on LinkedIn, while the LinkedIn GUI does not permit it ?This is one of the many solutions, online, free.It allows to add emojis (as LinkedIn), but also bold, underlines, italic and so on.Tip #1: do not publish directly the formatted text. Copy/past into you own LinkedIn to have more control and a last verification.Tip #2: do not store into an intermediary format (like a text file) as you may loose part of the formatting
累積レイアウトシフト分析
A very effective tool to visualize where Cumulative Layout Shift (CLS) is exactly coming from and increase your page score rating so as your visitor’s experience.It generates an animated GIF showing the moves of elements while your page is loading.In some cases, much more effective than a waterfall loading diagram.
クリティカルパスCSSジェネレーター
This will analyse any URL given and concatenate the CSS needed to display the “above the folder” HTML rendering, i.e. the “critical CSS” or “critical CSS path“.A nice tool, doing a job that is not easy to do without. And it returns an already minified css version directly.You must then incorporate this code into the head of your page(s), either manually, or with a dedicated plugin, or any cache or optimizer plugin.This will permit to render the th top part of the initially visible zone faster, without loading the external css files.will this increase your your google metrics: likelywill it increase your one-time visitors experience : likelywill it increase your […]
ブラウザ指紋認証テスター
See how websites see your browser or your bot or your own server see you browsing or performing online tasks on their system: BrowserScan evaluates browser environments for automation signatures by analyzing digital fingerprints and metadata inconsistencies. The service scrutinizes parameters including WebGL vendor strings, Canvas fingerprinting, hardware concurrency, and navigator.webdriver flags to detect the presence of frameworks such as Selenium, Puppeteer, or Playwright.By cross-referencing IP-based geolocation with system-level time zones and language headers, it identifies configuration leaks that allow anti-bot systems to flag or block automated traffic.… it’s its fingerprint and all big online players use that extensively to either track if you’re real human, or recognize you from one […]
ブラウザまたはボットのフィンガープリントアナライザー（生バージョン）
A very detailed and raw version of a tool to display any info that can be seen from your browser, bot or server, that can be used to fingerprint you online.(a different and more visual and comprehensive tool is also available in this same section)