How to optimize search engines or Seach Engine Optimization (SEO) blogs from time to time the same nature, namely focus on content or posts with the main elements of keywords (keywords) and links (links).
15 Latest 2019 SEO On Page Tips
The Google algorithm update only changes the criteria. For example, mix keywords with secondary keywords or semantic keywords (LSI) and low quality link criteria and high quality links.

SEO must be done so that our blog matches the way search engines work. If it's right by crawling, indexing, and ranking, then our blog will be ranked in the top of the search results page.

15 Latest 2019 SEO On Page Tips
Scratch posts on previous SEO tips, 5 Latest SEO Pillars 2019, here are 18 Tips for the Latest 2019 SEO On Page Blog which is CB sadur from a video on Youtube.

SEO On Page means that search engine optimization is done on a page, including content (content, posts) and design (appearance).

1. Keywords in the title tag.
Make sure the targeted keywords are in the title tag, namely permalink or url that appears in the address bar. Permalink is automatically taken from the post title.

2. Keywords in the title.
In order for the keyword number to enter the title tag, make sure the keyword is in the title of the post. For example, the keyword "SEO blog tips", then the keyword must be in the permalink and article title.

3. Keywords at the beginning of writing
Place the keywords in the writing, preferably near the top of the text or in the first 100 words of the article.

Google or other search engines will find the contents of the text relevant to the keywords in the title.

4. Keywords in the subtitle
Use subtitles (h2, h3, h4) using related keywords that describe the content. In blog posts called Heading (H2), Subheading (H3), and Minor heading (H4).

5. Internal and external links.
Use quality internal and external links. Make sure your posts contain at least one internal link (link to other relevant / related posts) and one external link (link to another website), for example to Wikipedia or to article sources.

6. SEO Images
Include images in posts and optimize images with keywords in file names and alt-text. Click the uploaded image, click properties, and fill in the title text and alt text.

Other 2019 Latest Blog On Page SEO Tips are

7. Long writing.
SEO articles are generally 1200-2000 words, so they are detailed and complete. However, this is relative. It could be only 300 words if the topic is unique and not many rivals.

8. Include Images
Insert 3-12 images in writing to be more search engine friendly. Google has an image-specific search page.

9. Heading the H1 tag
Make sure the writing contains one H1 tag in the page title. SEO Friendly Blog Templates are generally automated using dynamic heading tags.

10. Subtitles
Use about 4-8 Subheading (h2) in posts, especially for long articles.

11. Page load speed
Use blog templates fast loading, light, fast appearance. Google and users really like blogs that are light when opened, especially on mobile phones.

12. https
Use https which has become the latest 2019 SEO tips. Https makes blogs more reliable in terms of security.

13. Unique Theme
Use a unique template, different from other blogs. Lakuka modification, for example color, so the blog is different from the others.

14. Mobile friendly
Make sure the template used is search engine friendly (mobile-friendly) aka responsive, which is easily accessible on the mobile and appears fast and light.

15. Clean template code.
A clean template code uses CSS Minify or compresses the code so that it is lightweight while loading.