#seo-calculator-wrapper {
font-family: Arial, sans-serif;
border: 1px solid #ddd;
padding: 20px;
border-radius: 8px;
max-width: 600px;
margin: 20px auto;
background-color: #f9f9f9;
}
#seo-calculator-wrapper h2 {
text-align: center;
color: #333;
margin-bottom: 20px;
}
.calculator-input-group {
margin-bottom: 15px;
}
.calculator-input-group label {
display: block;
margin-bottom: 5px;
font-weight: bold;
color: #555;
}
.calculator-input-group input[type="number"],
.calculator-input-group input[type="text"] {
width: calc(100% – 22px); /* Account for padding and border */
padding: 10px;
border: 1px solid #ccc;
border-radius: 4px;
box-sizing: border-box;
}
.calculator-input-group input[type="number"]:focus,
.calculator-input-group input[type="text"]:focus {
border-color: #007bff;
outline: none;
}
button {
width: 100%;
padding: 12px 20px;
background-color: #007bff;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 16px;
transition: background-color 0.3s ease;
}
button:hover {
background-color: #0056b3;
}
#result {
margin-top: 25px;
padding: 15px;
border: 1px solid #e0e0e0;
border-radius: 4px;
background-color: #fff;
text-align: center;
font-size: 18px;
color: #333;
}
#result strong {
color: #007bff;
}
.article-content {
margin-top: 30px;
line-height: 1.6;
color: #444;
}
.article-content h3 {
color: #333;
margin-bottom: 10px;
}
.article-content p {
margin-bottom: 15px;
}
function calculateSeoScore() {
var keywordDensity = parseFloat(document.getElementById("keywordDensity").value);
var titleTagLength = parseFloat(document.getElementById("titleTagLength").value);
var metaDescriptionLength = parseFloat(document.getElementById("metaDescriptionLength").value);
var h1TagCount = parseFloat(document.getElementById("h1TagCount").value);
var headingTagsCount = parseFloat(document.getElementById("headingTagsCount").value);
var internalLinks = parseFloat(document.getElementById("internalLinks").value);
var externalLinks = parseFloat(document.getElementById("externalLinks").value);
var imageCount = parseFloat(document.getElementById("imageCount").value);
var imageAltTags = parseFloat(document.getElementById("imageAltTags").value);
var urlLength = parseFloat(document.getElementById("urlLength").value);
var totalScore = 0;
// Scoring logic (example, can be adjusted)
// Keyword Density (Max 10 points)
if (!isNaN(keywordDensity) && keywordDensity >= 0.8 && keywordDensity 0 && keywordDensity 2.0) {
totalScore += Math.max(0, 10 – (keywordDensity – 2.0) * 5); // Penalize for being too high
}
// Title Tag Length (Max 15 points)
if (!isNaN(titleTagLength) && titleTagLength >= 40 && titleTagLength 0 && titleTagLength 60) {
totalScore += Math.max(0, 15 – (titleTagLength – 60) * 0.5);
}
// Meta Description Length (Max 10 points)
if (!isNaN(metaDescriptionLength) && metaDescriptionLength >= 120 && metaDescriptionLength 0 && metaDescriptionLength 160) {
totalScore += Math.max(0, 10 – (metaDescriptionLength – 160) * 0.1);
}
// H1 Tag Count (Max 10 points)
if (!isNaN(h1TagCount) && h1TagCount === 1) {
totalScore += 10;
} else if (!isNaN(h1TagCount) && h1TagCount > 1) {
totalScore += Math.max(0, 10 – (h1TagCount – 1) * 5); // Penalize for multiple H1s
} else if (!isNaN(h1TagCount) && h1TagCount === 0) {
totalScore += 0; // No H1 is bad
}
// Heading Tags (H2-H6) Count (Max 10 points)
if (!isNaN(headingTagsCount) && headingTagsCount >= 3 && headingTagsCount 0 && headingTagsCount 7) {
totalScore += Math.max(0, 10 – (headingTagsCount – 7) * 1);
}
// Internal Links (Max 10 points)
if (!isNaN(internalLinks) && internalLinks >= 3) {
totalScore += 10;
} else if (!isNaN(internalLinks) && internalLinks > 0 && internalLinks = 1 && externalLinks 3) {
totalScore += Math.max(0, 5 – (externalLinks – 3)); // Slight penalty for too many external links
}
// Image Count (Max 5 points) – Assumes content needs some images
if (!isNaN(imageCount) && imageCount >= 2) {
totalScore += 5;
} else if (!isNaN(imageCount) && imageCount > 0 && imageCount 80 && imageAltTags < 100) {
totalScore += Math.max(0, 15 – (100 – imageAltTags) * 0.5);
} else if (!isNaN(imageAltTags) && imageAltTags <= 80) {
totalScore += Math.max(0, 15 – (100 – imageAltTags) * 0.75);
}
// URL Length (Max 10 points)
if (!isNaN(urlLength) && urlLength 60 && urlLength 80) {
totalScore += Math.max(0, 10 – (urlLength – 60) * 0.5);
}
// Clamp score to a maximum of 100
totalScore = Math.min(totalScore, 100);
var resultText = "";
var scoreDescription = "";
if (totalScore >= 90) {
scoreDescription = "Excellent";
} else if (totalScore >= 75) {
scoreDescription = "Good";
} else if (totalScore >= 60) {
scoreDescription = "Average";
} else if (totalScore >= 40) {
scoreDescription = "Fair";
} else {
scoreDescription = "Needs Improvement";
}
resultText = "Your On-Page SEO Score: " + totalScore.toFixed(0) + "/100 (" + scoreDescription + ")";
document.getElementById("result").innerHTML = resultText;
}
On-Page SEO Score Calculator
Your On-Page SEO Score will appear here.
Understanding On-Page SEO and How This Calculator Works
On-page SEO refers to the practice of optimizing elements on your website to improve its ranking in search engine results pages (SERPs) and attract more relevant traffic. It's about making your web pages more understandable and valuable to both search engines and users.
Key On-Page SEO Factors:
- Keyword Density: The percentage of times a specific keyword appears on a page relative to the total number of words. While important, it should be natural and not stuffed. Aim for a density between 1-2%.
- Title Tag Length: The title tag is a crucial HTML element that describes the page's content. Search engines display this in search results. Ideal lengths are typically between 50-60 characters to avoid truncation.
- Meta Description Length: While not a direct ranking factor, a compelling meta description can significantly influence click-through rates (CTR). Aim for 150-160 characters.
- Heading Tags (H1-H6): These tags structure your content, making it easier for users and search engines to understand the hierarchy of information. You should generally have one H1 tag per page, with subsequent headings (H2-H6) used logically to break down content.
- Internal and External Links: Internal links help distribute page authority and guide users through your site. External links point to relevant, authoritative resources, demonstrating credibility.
- Images and Alt Text: Images break up text and add visual appeal. Alt text (alternative text) describes the image for visually impaired users and search engines. All images should have descriptive alt text.
- URL Length: Shorter, descriptive URLs are generally preferred by search engines and users.
How the On-Page SEO Score Calculator Works:
This calculator provides a simplified, score-based assessment of your on-page SEO. Each input field corresponds to a critical on-page factor. The calculator assigns points based on recommended best practices for each factor, summing them up to provide an overall score out of 100. It's important to remember this is a guide, and actual SEO performance depends on many more factors, including off-page SEO, user experience, and technical SEO.
Example Calculation:
Let's say you input the following:
- Keyword Density: 1.8%
- Title Tag Length: 58 characters
- Meta Description Length: 150 characters
- H1 Tag Count: 1
- Total H2-H6 Tags: 4
- Internal Links: 5
- External Links: 2
- Image Count: 6
- Images with Alt Text: 100%
- URL Length: 55 characters
Based on predefined scoring for each of these metrics, the calculator would output a score, for instance, an "Excellent On-Page SEO Score of 85/100", indicating a strong foundation for your page's search engine performance.