Why is my recaptcha missing. Captcha doesn't work. How RuCaptcha fights incorrect-captcha-sol

Hello dear readers of the blog site. Literally I want to devote a bit of time to a relatively new captcha from Google (it was announced about a year ago), which replaced the old and confused one. Previously, probably few bloggers in their minds could put the brainchild of Google on their website or blog - it was very dreary to solve the letter puzzles offered there. All the convenience of commenting was lost.

Actually, at that distant time, I still used a perfectly working one. To complete it, you just had to put a tick in the "I am not a robot" field and all (of all possible). If the checkbox was not checked, then the message fell into the basket in the WordPress admin panel, or when the basket was disabled (as in my case), it was simply not added to the database. The ideal option, in my opinion, because it did not create any particular inconvenience to the commentator.

Then this plugin stopped working, and I used it with success for about six months, but this method also stopped working after updating WordPress to version 4.4. During this time, I tried a couple of plugins that filter out spam based on recipient and content analysis (Antispam Bee and CleanTalk). The first one was quite confused (spam is not spam, but non-spam is spam), and the second, contrary to expectations, did not reduce, but increased the load on the server (and even paid for it).

In general, I decided to go back to the proven method - installation of the simplest existing captcha... DCaptcha no longer works, but the giant Google has seriously simplified its initially monstrous reCAPTCHA and reduced the entire check to the very same checkbox "I'm not a robot". Unfortunately, I'm too stupid to understand how to attach this thing to a site without a plugin (although I tried it), so I had to use the services of the No CAPTCHA reCAPTCHA plugin. But first things first.

Spam load reduction methods and why reCAPTCHA?

As you probably know spam can be manual or automatic... You can protect yourself from the first only by enabling the mandatory moderation of all incoming messages before publishing them on the blog - then, for sure, no "radish" will break through.

But manual spam, as a rule, is a frail trickle compared to the full-flowing river of auto spam. The latter can be generated, for example, by Hrumer in fantastic volumes. Personally, I am more annoyed not even with the fact that several hundred spam comments come to my WordPress admin area per day, but that they can be monstrously long and you get tired of scrolling to the "Delete" button. In general, this problem is real and the more relevant the more popular your blog is.

There is no point in fighting manual spam (because this fight is doomed and because of its insignificant volume), but something needs to be done with auto spam. Here, as it were two main approaches:

  1. Filter comments already added to the WordPress database for spam / non-spam and push them into the appropriate folders. Unfortunately, plugins that work on this principle give out a lot of rejects and you simply won't be able to empty the Spam folder without viewing its contents if you don't want to lose dozens of really valuable comments sent by active readers of your blog.
  2. Attach an additional check to the form for adding a comment as to who exactly leaves this message - a live person or a bot. The task of identifying this difference is called the Turing test and is solved in the vast majority of cases using the so-called captcha (derived from CAPTCHA, which is an abbreviation for a set of smart words). The main problem with this method of fighting spam is that you annoy the commentators with solving the "rebus" (captcha), which can discourage him from continuing to try to leave a message at all.

However, captchas, as I said, are quite simple. Google has taken a major step in this direction and now his new reCAPTCHA just an example of simplicity and grace for the vast majority of users who visit your site (although a small number of them may still be asked to enter characters from the picture if the algorithm has doubts about its humanity).

This is how Google's reCaptcha will look for 99.9% of your website visitors:

Well, like this, in the event of force majeure (if the algorithm, after conducting a dozen tests for humanity, nevertheless becomes confused):

The durability of this protection can be judged by the fact that on services for recognizing captcha (or) they charge twice as much money for a recap. A very telling indicator.

Well, as if the choice is made - you need to implement it.

Registering a site in reCAPTCHA and installing it on your blog

Registration is simply an indication of the name and domain name of your site, where you plan to use this captcha itself:

After that, you will be taken to the admin panel of the reCAPTCHA service for your site (it probably makes sense to add it to your browser bookmarks). Over time, statistics on the work of this captcha will be displayed there, but for now the most important thing that we can learn from here is just the same keyswithout which "I am not a robot" will not work:

Below are the installation instructions. In the area of \u200b\u200b"Integration on the client side" everything is clear, but simply installing the above code in the specified places is not enough. Captcha will be displayed, but spam will not be filtered. In the area of \u200b\u200b"Integration on the server side" I do not understand anything at all. I'm dumb for that.

Therefore the decision was made use a plugin to integrate reCAPTCHA in WordPressFortunately, there are a lot of options for such plugins (read). True, three of them did not work for me (captcha did not appear in the comment area). After several unsuccessful attempts, I had to turn to smart people for a solution, where I was noticed and subsequently successfully installed a plug-in with an intricate name (like oil is not oil) -.

Setting up and working of the No CAPTCHA reCAPTCHA plugin in WordPress

Well, actually, go to the WordPress admin panel, select "Plugins" - "Add new" from the left menu, enter No CAPTCHA reCAPTCHA into the search box and install. Do not forget to activate it, and then go to its settings in the usual way (at the bottom of the left menu you will find a new item "No CAPTCHA reCAPTCHA").

Actually, here of all the settings, the most important is, again, to enter the keys obtained just above on the reCAPTCHA website:

After saving these changes, the plugin will immediately defends your comments from spammers.

And not just comments. In the settings you can protect with this captcha and the WordPress admin login form:

Even in the settings, you can replace the light color scheme of the recaptcha with a dark one, and also either allow the captcha to guess the user's language itself, or set it forcibly.

Actually, that's all. I have not yet started to forcibly reset the cache in WordPress (I updated only those articles to which Hrumer is traditionally not indifferent), so reCAPTCHA is not displayed on all pages. So far, no complaints have been noticed in the work.

Good luck to you! See you soon on the pages of the blog site

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