Check SEO of any web page. The following 20 point SEO checklist explains various SEO factors which are very important for any web site. You can implement this SEO check list to already published web pages. You can also check these twenty seo points of checklist before publishing of any web page. This seo checklist will help you to improve the ranking of your web site in various search engines.

1. Permalink: 
   Permalink stands for “permanent link. The permanent link of the article page play an important role as far as SEO is concerned. The inclusion of primary keyword in permalink is very good for SEO point of view.
   
   
2. Keywords: 
   Assign one primary keyword to the content. Make sure that the primary keyword is not assigned to other page. Use three to five related keywords for the web page.
   
   
3. Headline:
   Headline is important part of an article which attracts the visitors. Make sure just looking at heading it clearly explains the article content. Add H1 Title tag to your headline. Include primary keyword to the headline of the content.
   
   
4. Text Length:
   when we see the top ten search results we find that all the results have text length in thousands. But an article which covers all the information related to that particular topic is a good article. It is not necessary to create an article which has text length in thousands. Google considers an article as a good article if it covers all the related information which is useful for the users. The maximum number of words is not the measurement of good article. An article is very good if it covers all the information for the users related to that particular topic. So an article with minimum 300 words to up to the all important information related to that particular topic is fine for SEO point of view.
   
   
5. Paragraph:
   An article should be in the form of paragraphs. The short paragraph is better.  The first and last paragraph should contain the targeting keywords. Include short sentences in the paragraphs.
   
   
6. First paragraph:
   The first paragraph is an important part of the article. It plays an important role in performing SEO activity for that page. The inclusion of primary keywords in the first and last paragraph of article plays a vital role as far as SEO is concerned.
   
   
7. Keyword Density:
   Any word which we put in google search box to find any information is known as keyword. The number of keywords per hundred words of an article is called keyword density. It is represented in percent. Over use of keywords is not healthy for any web page. The ideal keyword density is 2 to 3 percent. The higher keyword density will attract the google penalty for the website. So it seems a very good practice to write any content article in a natural way by avoiding over use of keywords.
   
   
8. Title Tag:
   Title tag is one of the important parts of search engine optimization. The character limit of title tag is 60 characters. The first line of SERPS (Search Engine Result pages) is picked from the content of title tag. Title tag plays an important role in attracting the traffic to your web page. Include your primary keyword in title tag of the web page.
   
   
9. Meta Description Tag:
   Thistag describes the content of your web page. The length of this tag is 156 characters. It is visible under the title of page in the SERPS (Search Engine Result pages). The inclusion of primary keywords in the Meta description tag is helpful in higher ranking of the web page on that particular keyword.
   
   
10. Images:
    Now a day’s images have become very important. It becomes easy to understand things by including images in the article. Use alt tag attribute with the images. You can put your keyword as an alt tag for the image. Avoid big size images in the web page which increases the load time of the page.  Add primary keyword to image file name. Use primary keyword to the image title.
    
    
11. Internal Linking:
    The linking of one page to the page of the website is known as internal linking. It provides the path to the visitor to go through other pages of the web site. Use target keyword as an anchor text for the link. The internal linking is also helpful for the spider of various search engines.
    
    
12. Outbound Linking:
    The linking of a web page to the other websites is known as outbound linking. It becomes good for a website if it has outbound link to high quality web site.
    
    
13. Voices:
    The maximum use of active voice is preferred in article content. It is good to use simple form of English so that maximum number of visitors can understand it easily.
    
    
14. Consecutive Sentences:
    Avoid using same words in following sentences i.e. It is good to use simple English. It is good to use primary keywords in headline. It is good to use unique content. In all these sentence it is good to use is repeated in all sentences. So avoid this to use same words in all sentences.
    
    
15. Transition Words:
    The words which are used to connect two sentences are called Transition Words. It becomes easy to understand flow of content by adding Transition Words. The examples of Transition Words are  in addition to, furthermore, moreover, besides, than, too, also, both-and, another, equally important, again, further, last, finally, not only-but also, as well as, in the second place, next, likewise, similarly, in fact, as a result, consequently, in the same way, for example, for instance etc.
    
    
16. Flesch Reading Ease:
    It is the measurement of readability of a text. The higher score of Flesch Reading Ease means the readability of text is very good. Its score varies from 0 to 100. Include short sentences in article. Try to use simple words in the sentences.
    
    
17. Quality of Writing:
    Every one wants to rank higher in various search engines. So writing for higher ranking in search engine is not only the primary focus of the content.  The original, valuable, useful, and well-written content is always a king.
    
    
18. Subheadings:
    include subheadings in the content. Put subheadings in to h2, h3, h4 etc. header tags.
    
    
19. Important Information:
    Provide important information by using of bullets. Also use bold formatting to highlight important information.
    
    
20. Social Sharing:
    social sharing button are very important for a webpage. It becomes easy to share an article using social sharing buttons. The social sharing of an article shows the importance and valuable quality of an article.