Configuring SEO and Social Sharing with HTML Meta Tags
Jul 09, 2025 am 12:07 AMTo optimize the website's SEO and social media sharing effect, the HTML meta tag should be set correctly. The specific steps are as follows: 1. Set SEO-related meta tags, including
Search engine optimization (SEO) and social media sharing seem a bit technical, but in fact, starting with HTML meta tags can solve most of the problems. Although these small tags are hidden in web page code, they can tell search engines and social platforms: what your page is for, what title and description should be displayed, and which picture to use to display it. If you configure it correctly, not only can the search ranking be improved, but others will also be more decent when sharing your web page.

Basic SEO Meta Tag Settings
SEO-related meta tags are mainly <title></title>
, <meta name="description">
and some other auxiliary information. Their function is to display attractive content in search results and help users decide whether to click or not.

- The
<title></title>
tag is one of the most important SEO elements of your web page. It should contain the main keywords and be controlled within 60 characters. -
<meta name="description">
is a short page summary. Although it does not affect the ranking, it will affect the click-through rate. It is recommended to write clearly and attractively, and the length is controlled at around 160 words. - You can add
<meta name="viewport">
to ensure mobile-friendliness, which also has indirect benefits for SEO.
for example:
<title>How to optimize website SEO with Meta tags - Practical Guide</title> <meta name="description" content="This article introduces in detail how to improve the SEO performance and social media sharing effect of a website through HTML meta tags.">
Commonly used meta tags on social media
If you want others to copy the link to post it to Facebook, Twitter or WeChat Moments and automatically bring good-looking pictures, titles and descriptions, then use the meta tags of Open Graph and Twitter Card.

Open Graph is a protocol launched by Facebook and is now supported by most social platforms. You need to add the following tags:
-
og:title
——Title displayed when sharing -
og:description
——A brief description -
og:image
—— Image link, recommended size 1200x630 pixels -
og:url
——The real address of the page -
og:type
—— Page type, such as article, website, etc.
Twitter has its own twitter:card
tag, which can specify the card style separately:
<meta property="og:title" content="HTML Meta Tag Configuration Guide"> <meta property="og:description" content="Teaching you how to use meta tags to optimize SEO and social sharing"> <meta property="og:image" content="https://example.com/preview.jpg"> <meta property="og:url" content="https://example.com/meta-tags-guide"> <meta name="twitter:card" content="summary_large_image">
Notes and FAQs
Sometimes even if you write a meta tag, social media still cannot catch the correct information. This is usually caused by a cache or path mismatch.
- Debugger with tools : Facebook has Sharing Debugger , and Twitter also has a similar verification tool that can force refresh the cache and view the currently crawled data.
- Image format requirements : It is recommended to use JPG or PNG format. The image link must be a publicly accessible complete URL, not a relative path or a local file.
- Don't miss the alt attribute : Although it is not a meta tag, if the image fails to load, the alt text can also provide basic instructions to improve accessibility and fault tolerance.
Some CMS systems (such as WordPress) will automatically generate these meta tags, but the default content may not be accurate enough. It is recommended to manually check the output HTML source code to confirm whether the tag content meets expectations.
Basically that's it. Although the meta tag is not big, it can make your website more professional and attractive when searching and sharing. Not complicated but easy to ignore.
The above is the detailed content of Configuring SEO and Social Sharing with HTML Meta Tags. For more information, please follow other related articles on the PHP Chinese website!

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