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Questions tagged [web-crawlers]

A computer program that accesses web pages for various purposes (to scrape content, to provide search engines with information about your site, etc.)

2
votes
1answer
265 views

Google intermittently fails to download CSS and JS from CloudFront CDN

We noticed a lot of "Mobile Usability" errors in the Search Console. When I clicked on them and chose "Check live version" option - it always said the page was mobile friendly. However, the mobile ...
1
vote
2answers
26 views

How to preserve ALL website's URLS when transferring to a new CMS as well hosting

I am in a position where I have to figure out how to preserve all of the website's pages URLS when transferring it to a new CMS, perhaps potentially Joomla (hasn't been decided yet). New hosting is ...
0
votes
2answers
34 views

Google keeps crawling old site, ignores new (& better) one

Searching 'Dragon Notes' in Google predominantly yields (1) rather than (2) - even for images; (2)'s almost non-existent. Differences: (2) is more up-to-date, has a better sitemap and source code (2) ...
1
vote
0answers
14 views

How to deal with great number of URLs that will not be in anchor and should be known only for friendly crawlers?

I have a hypothetical page, that contains pages like: example.com/see/cat example.com/see/mouse example.com/see/<basically anything> I can have thousands of such pages. The number of pages ...
4
votes
5answers
3k views

Google Bots Crawling my Site daily is this good or a bad thing?

Currently my site is being crawled by the Googlebot on a daily basis. Is a daily crawl from the Googlebot a good thing or bad thing?
2
votes
1answer
38 views

Two pages have same title, same description, different content. Are they duplicates?

We have release our website from our mobile app in a very short amount of time. The website is quite good, but not at all optimized for SEO. For example, there is absolutely no care for meta tags. All ...
1
vote
0answers
15 views

When using an image server on a separate domain, should we link directly to the image URL and restrict crawling, or redirect through our domain?

I have a large number of images stored on a separate server, these URLs currently go through a 302 redirect. I think these additional pages are a total waste of time for Google to crawl. At the ...
3
votes
1answer
90 views

Ok to use meta noindex on 404 pages?

I have a custom 404.html file on my website that gets served with a 404 status code when a URL is not found, standard stuff. But if you visit the exact path /404.html on the server, the server says "...
1
vote
1answer
25 views

Clients from Microsoft IP address ranges seem to be spoofing Bingbot

I routinely get hits from Microsoft-owned IP addresses in the 13.x.y.z ranges of AS8075 (in these ranges) that present as Bingbot in the User Agent, but these addresses are listed on several block ...
1
vote
0answers
24 views

changed site from http to https and now its unreachable by google [closed]

I move my website from http to https and now it does not appear in the google search resutls, it was appearing on the top search resutls. In google search consolte when I do fetch for the website it ...
0
votes
0answers
16 views

Visitors using multiple IPs and determining if they are human

I'm seeing some obvious bot/script traffic that is bloating our Google Analytics(GA) data. I figure the traffic is using something that loads JS, CSS, etc. which is why it's affecting GA. So I put in ...
0
votes
0answers
12 views

Only one page got indexed in the submitted sitemap [duplicate]

Google indexed only one URL in the sitemap I submitted. Please let me know if there's anything wrong with my sitemap. Any help appreciated. Example sitemap.xml <!-- language: xml --> <?xml ...
1
vote
1answer
28 views

Prevent dynamically generated thumbnails from being crawled

I have been using Raven Tools, and I want these dynamically generated thumbnails to be not crawled or not be flagged as No TITLE images. I tried adding X-Robots-Tag "noindex, nofollow" on each image ...
4
votes
3answers
89 views

How to prevent a competitor from cloning my website

I run a website that provides meta-data from specialized electronics (data like weight, dimensions, applications, voltage, etc). It also compare products using all this data so user can see the ...
1
vote
0answers
12 views

301 redirects to a similar domain

My company has two similar but not identical sites. Similar page hierarchy and content but different brands. We want to shut one down and 301 the pages to what we feel is relevant on the better site. ...
2
votes
1answer
32 views

Detecing bots by visits per second

Certain visitors on my site request more than one webpage per second on average. For example, I see the following statistics: ip visits timestsamps visits per second 1.2.3.4 500 500 ...
1
vote
0answers
60 views

Is email obfuscation still helpful in 2019? [closed]

Historically, even simple tricks would prevent mailto: links from being harvested by web crawlers, but I'm curious to know if modern bots are too advanced to be beaten. Is the effort to obfuscate ...
3
votes
1answer
191 views

How does changing an HTTP referrer header help circumvent crawler blocking

I have been researching different ways a web crawler might be blacklisted/blocked from a web-server and how to potentially circumvent that. One of those ways is to change the referrer header on the ...
4
votes
1answer
90 views

Will forbidding “bad bot” user agents via .htaccess add a layer of protection against email address scraping beyond the existing captcha?

I was reviewing the security/protection measures for the websites I manage (one is for a small consulting firm, the other for a not-for-profit art association), and I came across the topic of bad-bot ...
1
vote
0answers
15 views

Facing a challenge with the “Fetch As Google” feature in my webmaster

I am facing a challenge with the "Fetch As Google" feature in my webmaster Steps to reproduce bug:- 1. Goto webmaster , click on "Crawl" -> "Fetch As Google" 2. Select "Crawl this URL and its direct ...
0
votes
0answers
11 views

Why would a bot net keep loading my site?

In blocking a lot of scrapping activity, I found a puzzling situation - that my site is accessed about 35,000 times per day by around 30,000 different IPs. I started blocking these IPs with a script, ...
3
votes
8answers
12k views

Is this Google proxy a fake crawler: google-proxy-66-249-81-131.google.com?

Recently I discover that some variants of a google proxy visits my sites. I doubt these are legal Google crawlers because these crawlers are NOT always behind a proxy (like the hostname describes) and ...
6
votes
1answer
110 views

AdSense crawler access fails because the bot adds a slash to the login URL

I'm trying to get a site verified for AdSense. Since I want to display ads in authenticated pages too, I'm setting up Crawler Access to give a username and password to Google crawler. In this site, ...
0
votes
1answer
57 views

Error in search console!

the new search console is pointing out usability errors on mobile devices on wordpress upload pages, that is, pages where I can not change font size, viewport window and things like that, how do I ...
1
vote
1answer
141 views

Is bad for SEO if browser need to run synchronous JS to get content?

I'm developing a site using symfony + Vue. The problem is that this HTML with non-standard tags (components) gets into the browser. All that contained in the <div id="app"> element must ...
1
vote
1answer
32 views

Does Google Crawl Rate have an impact on Google's Image Bot

I have a relatively large website. Each page has several images. Google indexes my website very slowly, but it actively crawls my pictures. Does changing the Google Crawl Rate have an impact on Google'...
2
votes
1answer
57 views

Is it good for SEO to change an article's slug when changing its title?

I have the following URL view: example.com/article/{slug}-{id} If I change the title of the article, then the slug will also change so that there is no disagreement. Please note that the article ...
5
votes
1answer
1k views

Why do many websites block requests from common HTTP libraries by user-agent?

Writing spiders, I have noticed that many sites will return a 403 error if I hit them from popular HTTP software libraries, unless I manually override the default User-Agent header used by the library....
2
votes
2answers
32 views

How many levels of sub-pages do Google bots crawl to when fetching and indexing linked pages in Google Search Console?

Let's say I submit a sitemap page that contains all the links I want Google to crawl, but instead of submitting a sitemap, I fetch the page and linked pages and let Google index them. How many levels ...
1
vote
1answer
47 views
1
vote
1answer
28 views

Should we Put Coupon Pages into sitemap because they do have a faster expiry rate?

Is it a good practice to keep coupons/ voucher pages into a sitemap. because they do have a faster expiry rate. Case: We are updating our sitemap once in 24 hours so, will it be a good practice to ...
11
votes
2answers
4k views

Should I block bots from my site and why?

My logs are full of bot visitors, often from Eastern Europe and China. The bots are identified as Ahrefs, Seznam, LSSRocketCrawler, Yandex, Sogou and so on. Should I block these bots from my site and ...
1
vote
1answer
42 views

SPA website, would making an HTML-only version for SEO be worthy?

I made a Vue.js SPA, and since it could affect SEO (specially because a large portion of my client base is not using Google), I was thinking: why not providing an HTML-only version for it? Would ...
7
votes
5answers
11k views

How to properly (dis)allow the archive.org bot? Did things change, if so when?

I have a website that I mostly don't want to be indexed by search engines, but I do want to preserve it for eternity on archive.org. So my robots.txt starts with this: User-agent: * Disallow: / ...
27
votes
8answers
20k views

Preventing robots from crawling specific part of a page

As a webmaster in charge of a tiny site that has a forum, I regularly receive complains from users that both the internal search engine and that external searches (like when using Google) are totally ...
1
vote
1answer
32 views

Can Google crawl .TS (MPEG2-TS) video format?

We are using the tool mp4hls (https://www.bento4.com/developers/hls/) to prep the hls stream. Basically, I think it can conver any video format to .mp4 then it convert to .ts. However, Google only ...
2
votes
1answer
117 views

htaccess 410 url spam hack requests excluding site generated request

Our site was hacked and links to random content where added to the site. We completely removed the hacked site and put a new one in its place. Everything new including images and content, no other ...
1
vote
1answer
43 views

Google Bot Crawls using expired cookies and fails to get response

We are using a cookie on our website which is to fetch some information through an API. The cookie becomes invalid after a very small duration. Google Bot uses the same cookie again and again to ...
2
votes
0answers
36 views

Can many single page hits from a variety user agents from the same VPN with the same screen resolution be hurting my search rankings?

I am trying to clarify what is happening with the traffic on my site. Lately I am being flooded with many strange hits, mostly from US and they seem to only open 1 page or visit for few seconds. The ...
1
vote
2answers
291 views

Deleted tags & categories from my blog still come up in Google search results

I am a newbie in blogging. I've deleted some of the unwanted tags and categories from my wordpress blog but they kinda still come put in the search results when I search my website on Google. How do ...
-2
votes
4answers
39 views

Is there a special tag I can add to my page to describe the content to web crawlers?

My page is based on HTML and I need to submit it to Google Webmaster Tools and To Bing. I know how to give short description about my page. So that it easy to crawl my page, there is lots of HTML ...
3
votes
1answer
98 views

How to hide HTML tags from SEO spiders

I understand and know how hiding things from your website works and how the search engine spiders will still be able to ¨see¨ this hidden element and penalize your website for it. Thing is, I did not ...
1
vote
1answer
20 views

SEO - Custom error pages & status codes

My website uses a custom error page with the <meta name="robots" content="noindex"> meta tag. Am I right in thinking this tag will tell crawlers, such as Googlebot, to remove the page from ...
1
vote
0answers
11 views

how do i search for certain word in a website? [closed]

Is there any way to search within a website without manually checking out every link? Suppose there is some website www.somewebsite.com and I want to search for a word in all of the pages www....
2
votes
2answers
78 views
0
votes
2answers
49 views

Major Crawlers not honoring robots.txt?

few of my websites were compromised, there were thousands of links submitted to google, bing etc which are not relevant to my site. I cleaned the websites in question and updated the robots.txt. the ...
1
vote
1answer
25 views

Alternative languages redirecting

Serving a page in English, EG: https://www.example.com/en/make-games Has the following meta tags: <meta rel="alternate" href="https://www.example.com/fr/make-games" hreflang="fr" /> <meta ...
2
votes
1answer
528 views

Can Angular project be indexed in Google without Angular Universal?

I'm working on an Ionic PWAprogressive web app (PWA) and forthere are reasons iI cannot use Angular Universal. Is there any way to index with success inget Google to successfully index the site ...
14
votes
2answers
7k views

Can robots.txt be in a server's sub-directory?

I have a sub-directory that I would like to hide from the search engine web crawlers. One way to do this is to use a robots.txt in the root directory of the server (the standard way). However, anyone ...
2
votes
2answers
127 views

Ampersand (&) in actual URL and sitemap

I have a sitemap (which is submitted to Google for indexing) in which I am adding URLs which have an ampersand (&) in it. Since in sitemap & has to be escaped I replaced & with &amp; ...