If you get this message on trying to post something at Hacker News / Ycombinator (not dependently of submitting method: bookmark or site form), it means, the site you try to post is flagged by any HN admin as spam. By mistake or not is another question - i know the case, when YouTube was flagged as spam there. Anyway our intention is not to dispute with HN admins whether our list is spam or not, but rather just to post a link, what we want to post. Deleting cookies doesn't help. But the working solution is simple:
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Mittwoch, 1. Oktober 2014
Dienstag, 23. September 2014
Pro and contra of images encoding as base64 encoded data URI for performance purpose
One of the common techniques of the website performance optimization is the reducing of the HTTP requests amount. Each website asset, like image, needs a HTTP request to be loaded. On this issue is based an idea, to embed website images as base64 encoded data URI. After an image is embedded directly into HTML or CSS of the website, no additional HTTP request is needed to load this image - it is no longer an external resource, but becomes a part of the source code. This is the good part.
Mittwoch, 17. September 2014
Faceted search, SEO and user experience: how to and why?
Certain ecommerce sites with only few product categories and some thousands of products are able to generate thousands upon thousands useless URLs, through product search, product filter and product option URLs. Sad, but true. We can't do as if this problem wouldn't exist. To leave such URLs unhandled would bring tons of negative SEO impact. There are only few kinds of dealing with such URLs:
- to get rid of them completely,
- to turn a part of useless URLs into useful, and
- to reduce the negative SEO impact of the remaining useless URLs.
Note!Lets look →
There isn't the magic method - no one of existing SEO techniques does the trick alone. What works is the combination of SEO techniques, which i collect in this article.
Donnerstag, 11. September 2014
H for htaccess: part 5 of the HASCH the OnPage SEO framework
.htaccess (hypertext access) is a text file, placed mostly in the root folder of the given site and invisible cause of the point at the begin. .htaccess contains directives for server, server software, robots and browser about handling of files, folders and paths / URLs.
Generally there are 2 topics, where .htaccess can be used for SEO purposes:
The last, fifth part of my HASCH OnPage SEO framework is about the SEO mission of .htaccess. I aim to create a kind of multipurpose explained and examples-illustrated checklist about .htaccess usage for mod_rewrite and robots manipulation and load time optimization as advanced SEO objectives. This ".htaccess for SEO" tutorial will be helpful (for me and you) on performing site audits and building new strictly SEO-minded sites. Read the tutorial →
Generally there are 2 topics, where .htaccess can be used for SEO purposes:
- Mod_alias and mod_rewrite directives (URL redirects and rewrites)
- load time optimization
The last, fifth part of my HASCH OnPage SEO framework is about the SEO mission of .htaccess. I aim to create a kind of multipurpose explained and examples-illustrated checklist about .htaccess usage for mod_rewrite and robots manipulation and load time optimization as advanced SEO objectives. This ".htaccess for SEO" tutorial will be helpful (for me and you) on performing site audits and building new strictly SEO-minded sites. Read the tutorial →
Dienstag, 2. September 2014
itemId vs sameAs vs additionalType: how to distinguish and use correctly
One of the best methods to gain the topical relevance of a text is to use entities instead of "plain" keywords. The most simple way to create an entity out of a keyword is to extend it as a standalone type with the Schema.org-markup and prove it with additional trustful informations. Here is the applying point of HTML5 attribute itemId and Schema.org-properties sameAs and additionalType. All of them are used to provide additional informations to a type. But while itemId and sameAs are pretty much the same, additionalType is used for different purpose. Let's look at the use cases in detail to get clear about distinguishing and correct assignment. Accurate usage of these properties is crucial for semantic SEO purposes, cause the kind of the entity creation turns the algorithms opinion about the given text to finally more or less topical ranking.
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