Website SEO Checklist: Standards for Building and Optimizing Content

Search engine optimization (SEO) requires businesses to strictly comply with fundamental technical standards. Implementing a detailed website SEO checklist is a mandatory step to help content reach the right target audience and improve performance. This in-depth article from Connect Tech provides a set of standards for optimizing titles, keyword density distribution, link structure, and images, supporting a business's platform in achieving sustainable rankings.

Standards for Optimizing Titles (Title) and Sapo

The title and introductory paragraph are the first touchpoints that determine whether search engines and users value the article.

For the Title (H1):

• Each content page is only allowed to have one Heading 1 tag.

• The title length must not exceed 60 characters and must not be duplicated with other articles on the website.

• The primary keyword must be placed at the beginning, as close to the left side as possible, and preferably appear within the first 50% of the title.

For the Sapo (Introductory Paragraph):

• The introductory paragraph should be concise and should not exceed the first 100 words (equivalent to approximately the first 2 lines).

• The sapo structure must contain the primary keyword, semantic keywords, and the brand name at the end of the paragraph.

Meta Description Tag Standards

The Meta Description tag plays the role of persuading customers to visit the website, directly affecting the click-through rate (CTR).

• The standard length of a Meta Description ranges from 155 to 160 characters.

• The description content should be concise, must contain the primary keyword, and naturally include secondary keywords without keyword stuffing (spam).

• The Meta Description tag must be unique and not duplicated with the meta tags of other articles.

• Do not use quotation marks in the Meta Description tag to avoid Google truncating the displayed content.

• Businesses can include technical specifications, manufacturer information, pricing, or special promotions in the Meta Description to increase click-through rates.

Meta description tag standards

Heading Structure and Content Presentation

A well-structured article helps Google's bots crawl data more accurately. In addition, combining it with an appropriate user interface (UI) design structure will further optimize the user experience.

Heading Structure (H2 - H4):

• The length of each Heading tag should not exceed 12 words.

• H2 tags should contain the primary keyword or secondary keywords, but only in a natural way and without keyword stuffing.

• The brand name should appear 1 to 2 times in H2 and H3 tags.

Paragraph Format (Body):

• The article content should be divided into multiple short paragraphs, each consisting of about 3-4 lines and not exceeding 5 lines.

• Each sentence should be concise and no longer than 20 words.

• The primary keyword should be evenly distributed throughout the content, while secondary keywords should account for approximately 15-20% and be included in Heading tags.

Standards for Optimizing Image Specifications

High-quality images should be accompanied by technical specifications optimized for server performance.

• Quantity and File Size: The standard ratio is 1 image for every 200-300 words of content. Image size must not exceed 100KB to maintain stable page loading speed.

• Format and Dimensions: It is mandatory to use JPG, JPEG, or WebP image formats. All images in the article must have the same dimensions and use a horizontal rectangular layout.

• File Naming: File names must be written without accents, separated by hyphens, and must contain the primary keyword.

• Alternative Text (Alt Tag): It must contain a meaningful description, include the primary keyword, and remain under 125 characters in length.

• Image Caption: The caption must be meaningful, italicized, contain the primary keyword, and not use a period at the end.

SEO image optimization techniques

Internal Link and External Link Strategy

Internal Links:

• The standard link structure includes: 1 link to a category page, 2 links to related articles, and 1 link back to the homepage at the end of the article.

• The most effective positions for placing links are at the beginning or end of paragraphs to maximize user navigation.

External Links:

• Links should point to authoritative websites within the same industry.

• Always set links to open in a new tab (open link in new tab) and avoid direct redirects to retain users on the website.

• Add the nofollow attribute to destination pages with low authority metrics (DR below 20).

• Anchor text should be highlighted using bold, underline, or color formatting.

Optimizing Featured Snippet Display

The Featured Snippet section is designed to directly explain a problem, helping the article gain the opportunity to reach Position Zero.

• The snippet should be concise, complete, and accurate, with an ideal length of 40-45 words.

• It is mandatory to naturally include the Featured Snippet keyword and semantic keywords within this snippet.

Conclusion

A website SEO checklist is an essential tool for managing technical risks and improving keyword rankings. Applying these rules accurately will help a business's digital platform operate at its optimal performance. To receive in-depth consultation on SEO website design and management services,

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