How to Fix Website Crawler Errors and Rejected Ad Requests Forever: welcome to our new article on crawler errors and rejected ad requests, occasionally technical issues can get in the way of impressions showing on your site they can also lead to less relevant ads. both scenarios can have a negative impact on your user experience as well as your revenue. The most common issues you may run into the crawler errors and rejected ad requests.
So, in this article, we will explain what these are, what causes them and how you can fix them to make sure you are not missing out on any revenue. if You have a substantial number of crawler errors or rejected ad requests a red bar will appear at the top of your account homepage.

red bar crawler error
You can also check the status of these issues by clicking the gear symbol on the top right of the screen and selecting “status”.

fix the rejected ad requests
So, it was how you can fix the rejected ad requests by clicking on the top right of the screen. So, let’s start with crawler errors.
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What is a crawler?
A crawler is a software used to process and categorize the content of web pages. specifically, the Adsense crawler visits your site and scans the content in order to provide relevant ads. A crawler error occurs when our crawler can’t access your site’s pages. So, why is this a problem? if the crawler can not scan your site we may not be able to target ads to your content or even serve ads at all.

result in increased ad revenue
Fixing this issue may result in increased ad revenue, as relevant ads are more appealing to users. there are 3 common causes of crawler errors. The
first is “robot denied”.
1#: Robot Denied
This error means that our crawler tried to access your page, but was denied by your robots.txt file. A robots.txt file controls which search engine robots can crawl your site. this file is located at the domain level of your website, for example, yoursite.com/robots.txt. To fix this, you can grant the crawler access. for more information on how to do this please, visit the additional resources section of AdSense.

robot denied
The next common cause of crawler errors is “content behind a login”
2#: Content Behind a Login
this error signals that our crawler cannot access your content because it’s behind a login, much like a “robot denied” error. for instructions on how to set up a login specific to the crawler, see additional resources section.

content behind a login
The third kind of crawler error is “page not found”.
3#: Page not Found
This means the crawler is receiving a 404 error because the page does not exist. To fix this, make sure your URL is serving correctly. for example, if you recently moved or deleted the page, try searching your site for any remaining links in the content or navigation menus that are pointing to the deleted page. if you see a “page not found” crawler error for a page that does exist on your site, check with your web host or webmaster to see if there was an outage which affected your website. Alternatively, our crawlers might have discovered a temporary URL that is no longer used for one of your pages.

page not found
Now, let’s talk about “rejected ad requests”.
How to Fix Rejected Ad Requests
If you noticed an alert in your account letting you know that your site is experiencing rejected ad requests that may affect your revenue, click the link in the alert to see how many ad requests were rejected. If the total number is low then your revenue is likely unaffected. However, if you’re seeing a large volume of rejected ad requests or if you can’t see the ads in your site because of rejected ad requests, we recommend working to find a solution. When you see rejected ad request errors, it means our crawler is targeting the wrong URL. This occurs when our URL detection sees that your ad unit is within an iframe which has no content.

rejected ad requests
When they are not able to find the correct site information for an ad request, we serve “blank ads” that blend into the background of your pages. this can result in lower revenue. here are two possible reasons you’re seeing these Errors, your ad code is nested within multiple iframes:
- If your ad code is nested within multiple iframes, we are not able to determine the correct site information for an ad request because the crawler gets stuck in the iframe. you’re using a supply-side platform “SSP”.
- if you make use of supply-side platforms like an ad server or a yield manager and you receiving rejected ad request errors with their URLs please contact the supply-side platform to determine the best way to ensure that the correct site information is passed in your ad request.
The method for fixing targeting depends on the domain that triggers the ad request error and the type of ad code you’re using for the specifics of how to fix ad request errors based on different types of ad code see the additional resources section.
How to Fix Website Crawler Errors (Crawl URL) Manually
How to Fix Website Crawler Errors: So, here I will show manually to fix the website crawler errors. It’s the step by step guides How to Fix Website Crawler Errors manually. First, go to sign in to your Gmail which is connected with the webmaster and then login into Webmaster.
Step #1: So, first go to google webmaster and login to webmaster with Gmail which is connected with your website to How to Fix Website Crawler Errors.

Webmaster website Icon
Login to the webmaster and follow the next steps.
Step #2: In this step click to “Crawl Error” which is shown on the screen-shot.

Click on the crawl error
It will show you, the crawl error which has affected your website.
Step #3: So, now see which URL’s affected your website and click on the URL links and now, here will come to thing’s, one is to click on the “Mark as fixed” and the second is “fetch as google” but you have to do nothing.

watch the affected URL’s
If you have the affected URL’s then follow the next Step’s.
Step #4: In this steps, you have to open a new tab of webmaster and click on the sidebar of the webmaster “Google Index” which is shown on the screen-shot. And click on the “Remove URLs”

Follow the screen-shot
Step #5: Now, go to the previous tab and copy the affected URLs and paste in the “Remove URLs” ” Temporarily Hide” icon button and Remove the URL from Google Webmaster. If you don’t understand follow the screen-shots.

Follow the screen-shots
Follow the screen-shots to remove affected URLs.

Follow this two steps and you are done
So, if you have done this simple step’s. then, you have removed all the affected URLs which are affected your website. How to Fix Website Crawler Errors
Conclusion
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