Never heard of such problem. You have no choice but to contact Adsense either they will resend you the code or verify it right away. Link: https://www.google.com/adsense/start/get-started/contact-sales/#/
Good luck.
On a different note, the site is SLOW. You'll want to fix that if you want any traffic and conversions.
Like if you look at Mashable, they have an infinite scrolling front page with dozens of AdSense blocks, but then they're serving tens of millions of pageviews a month. They'll probably also get a bigger cut from each click than normal.
Firstly - be careful sharing performance data. This is against the terms of the program. If you have read of https://www.google.com/adsense/localized-terms you will see that it includes the following:
"You agree not to disclose Google Confidential Information without our prior written consent. "Google Confidential Information" includes: (a) all Google software, technology and documentation relating to the Services; (b) click-through rates or other statistics relating to Property performance as pertaining to the Services;"
If you are serious about adSense it is well worth reading through those. Too many people end up on forums whining about being banned "for no reason" because they didn't.
With regards to your specific performance though it is hard to say what is normal as things vary so much from site to site. However your page RPM is way below average. That is because your CTR is so low.
Looking at your site there is no surprise that you have a low CTR. The ads are not immediately visible and are positioned away from the content. Try to get 1-2 units above the fold and think about where the user will actually be looking on the page. I think you'd notice a big difference.
same here for the website which I am responsible with optimization: https://www.howtochatonline.net/
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We have seen that several website is facing with similar problem in last 4 days. Is it a glitch?
1) Test your website speed with
2) Change the value 2500 in the first code (increase it). This value is supposed to be the loading time of your website without Adsense
>https://gtmetrix.com/reports/ofwoodworking.com/bLeRcTJ9
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>Great!!! Thanks a lot... It's a very practical advice.
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>I noticed it slow but I didn't know how to measure it.
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>Adsense also give me "Site down or unavailable"
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>And I din't know how to check it.
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>Thanks a lot
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