Infinite Loops Dirty Architecture And Too Many Indexed URLs
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![CANONICALISATIONIn web search and search engine optimization (SEO), URL
canonicalization deals with web content that has more than one
possible URL. Having multiple URLs for the same web content
can cause problems for search engines - specifically in
determining which URL should be shown in search results.[2]
Example:
•http://wikipedia.com
•http://www.wikipedia.com
•http://www.wikipedia.com/
•http://www.wikipedia.com/?source=asdf
All of these URLs point to the homepage of Wikipedia,
but a search engine will only consider one of them to
be the canonical form of the URL.(source - Wikipedia)](https://image.slidesharecdn.com/infinite-loops-dirty-architecture-and-crawl-rank-final-21-4-2014-140505034103-phpapp01/75/infinite-loops-dirty-architecture-and-too-many-indexed-urls-22-2048.jpg?cb=1668313541){kind=icon}
Infinite Loops Dirty Architecture And Too Many Indexed URLs
•5 likes•3,034 views
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Dawn Anderson's Brighton SEO deck from April 2014. Looks at crawlability issues on large sites and in particular to infinite URLs / infinite loops, dirty architecture and too many indexed URLs. There is a blog post / article that I wrote for the Brighton SEO newspaper which covers the information in this deck in a lot more detail. It is here: http://bit.ly/Ss6Lf1
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Infinite Loops Dirty Architecture And Too Many Indexed URLs
- 1. INFINITE LOOPS & crawl rank DIRTY ARCHITECTURE Dawn Anderson
- 2. CAME INDUSTRY VIA A DIFFERENT ROUTE THIS to
- 3. I decided to add an additional dimension to the site TO ‘EXPLODE’ NATURAL SEARCH TRAFFIC
- 6. GOOGLE Only crawling 0.1%Of our pages per day
- 8. Infinite Loop Definition: An infinite loop is a sequence of instructions in a computer program which loops endlessly, either due to the loop having no terminating condition, having one that can never be met, or one that causes the loop to start over. ..
- 9. PENGUIN & PANDA updates came along
- 10. TOO MANY URLS =SEO DEATH ‘WE’RE ALL ‘DOOMED’’
- 11. Budget CRAWL Roughly proportionate to PageRank Pages with a lot of links get crawled more Still applies in current search landscape
- 12. Rank CRAWL A ranking metric for ‘no’ to ‘low’ PageRank pages?? Pages crawled more often rank higher Get ‘low’ to ‘no’ PageRank pages crawled more than competitors = YOU WIN
- 13. CRAWL OPTIMISATION Googlebot goes AND KEEP WATCHING FIND OUT WHERE
- 14. CHECK & MONITOR for over-indexation 500 Page Website 50,00 URLs in Google YOU MAY HAVE DODGY CODE
- 15. Shoes.sitemap.xml Dresses.sitemap.xml tshirts.sitemap.xml Check THOROUGHLY, Name & Categorise XML Sitemaps yoursite.sitemap.xml
- 16. DON’T BE AFRAID of hard 404’s Use 410’s where you can Giraffe AVOID soft 404’s
- 17. ENSURE THAT Dynamic variables / parameters are checked for validation Don’t render to just any old thing with a ‘200 OK’ response code or return a soft 404 HOW WILL YOU KNOW IF THERE’S A PROBLEM? You won’t
- 18. AVOID A ‘JUMBLE SALE’ BUT
- 19. Use Robots.txt, nofollows, sitemaps, nav paths & cross module internal linking ‘Herd’ Googlebot
- 20. Get Those Low Level Pages Crawled - Often Whichever way you can Pass equity to Siblings as Well as children
- 21. Visit the internal links section on GWT Most Important Page 1 Most Important Page 2 Most Important Page 3 IS THIS YOUR BLOG?? HOPE NOT
- 22. CANONICALISATIONIn web search and search engine optimization (SEO), URL canonicalization deals with web content that has more than one possible URL. Having multiple URLs for the same web content can cause problems for search engines - specifically in determining which URL should be shown in search results.[2] Example: •http://wikipedia.com •http://www.wikipedia.com •http://www.wikipedia.com/ •http://www.wikipedia.com/?source=asdf All of these URLs point to the homepage of Wikipedia, but a search engine will only consider one of them to be the canonical form of the URL.(source - Wikipedia)
- 23. Deal Well With Near & near duplicate content Via canonicalization, 301’s & Content Build Out
- 24. STOP LYING & ‘GET FRESH’ Genuine ‘last modified dates’ are ALL important - FORGET PRIORITY
- 25. "It's not that Google will penalize you, it's the opportunity cost for dirty architecture based on a finite crawl budget" (A.J.Kohn) (BLIND FIVE YEAR OLD) REMEMBER THIS
- 26. Me @dawnieando