A good ALT is better than a bad anchor - Profit Hunter

Some time ago, I did a little test. The task is to determine the importance of the tag. Alt. in comparison with TITLE and anchor text. Despite the fact that in many books on optimization, not much attention was paid to ALT, nevertheless, I always believed that its use could have no less importance on indicators and ranking, like a regular anchor text.

Conduct an experiment.

Formulation of the test task

To conduct the test, I created a sub-domain on an existing domain.

First, I wrote 6 different texts optimized for use in combination with 2 different keywords [KW1 and KW2]. Both of these words return search results. But, if they are used together in one query, the result will be zero. All texts were unique, but built on the same format and optimization method. Keywords on optimized pages were placed on the same places.

Secondly, I created 6 pages, three of which were with graphic links, three with textual links. The link variations on the page were as follows:

  1. Figure without ALT attribute or TITLE tag
  2. Figure without ALT attribute, but with one of KW1 or KW2 keywords in the TITLE
  3. tag Illustration with the KW1 or KW2 keyword in ALT, but without the TITLE
  4. tag Text link without keywords
  5. Text link with partially optimized anchor text
  6. Nofollw links with key KW1 or KW2

After, all pages were loaded, 2 links were added to the index. Testing time 4 months. During these months, I monitored the rating once a week. For greater persuasiveness, I launched another parallel test (in the same way).

Hypothesis

The well-known fact that the order of "links" in a link affects the result of a query. And although the differences are small, it still matters what place you are in, on the first or 217th Therefore, it’s so extremely difficult to create a page where the weight of a link would be distributed evenly. For my test, in principle, it doesn’t matter much.I need any positive result. What did I expect as a result? I expected Google to show importance of my test pages in this order:

  1. First page with pattern with key KW1 or K W2 in ALT, but without the TITLE tag (p. 3)
  2. Page with partially optimized anchor text (p. 5)
  3. Page, where a picture without an ALT attribute, but with one of the keywords KW1 or KW2 in the TITLE tag (clause 2)
  4. Page on which the figure does not have an ALT neither TITLE (p. 1)
  5. Page with text link without keywords (p. 4)

I assumed that the nofollow pages would not appear in the issue, but set them as a control test.

Results

After three months of the test, I noted that the ratings did not change for 2 months. Do they change in the 4th month? Unlikely. Therefore, tetration can be stopped and conclusions drawn. For the keywords KW1 and KW2, only pages No. 1 and No. 3 were reflected (based on the conditions). After clicking on “re-search, including omitted results”, the remaining 3 pages appeared in the output. But their order was different from what I expected. It turned out that the optimized TITLE tag was higher than the page with partially optimized anchor text. Pages nofollow, like expected not to be displayed.

  1. A page with pattern with the key KW1 or KW2 in ALT, but without the TITLE tag (p. 1)
  2. A page where a picture without an ALT attribute, but with one of the keywords KW1 or KW2 in the TITLE tag (clause 3)
  3. Page with partially optimized anchor text ( p. 2)
  4. The page on which the picture has neither ALT nor TITLE (p. 4)
  5. Page with a text link without keywords (p. 5)

Conclusions

The conclusion of this particular test is that the link from the image and the optimized attributes is more valuable than a text link with an anchor, not very well optimized text , and in some cases, I would prefer links from pictures more than anchor. For example, if you use images with links to Home, Products, Services, etc., you can increase the value of these links by adding the ALT tag.

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