the Presence of these attributes, provided that they are unique and readable, you can promote your website such as in the issuance of Yandex.Symbols.
Images without src:
images with no src attribute
<h1> - parallels plesk panel
<h2> - web server's default page
<h36> - other parallels solutions
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the page Title in the browser. Must be specified. Affect the ranking of key.
default parallels plesk panel page
If you want to record the history of the TIC to your site, install counter TIC - https://teveg.com/counter/
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Number of links to domain :
Number of donors (total):
Outbound (external) links to domain :
Number of recipients (domains referenced by this host):
Number of anchors found:
Number of outgoing anchor:
iGood donors (LinkPad):
The number of referring IP addresses:
The number of referring subnets:
the Proper handling of 404 pages that will help to avoid duplicates.
the availability of the site with the www prefix. The archaism, however, is used by many top sites.
Domains on this ip address:
The Number of domains used on 1 ip address. The value does not affect the ranking.
you have an ssl connection is a ranking factor for example in Google. For sites working with personal data of users, such as online shopping and online payment, this certificate will help to raise the credibility in the eyes of visitors.