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SEO Report for https://en.wikipedia.org/wiki/main_page

Your general SEO Checkup Score


SEO Score69/100
Average SEO score of top 100 sites: 75%
AI Visibility95/100
AI visibility score reflects brand reach in AI

Your site scored 69/100, below the 75 average for top sites. We found 14 issues to fix, and clearing them is how you move up. And an AI Visibility Score of 95/100 means ChatGPT, Gemini and Perplexity consistently surface your brand, a real edge as search keeps shifting toward AI.

14 Failed
4 Warnings
45 Passed

Want to fix these issues and track your progress?

Issues to fix

HIGH
To address URL canonicalization issues, it is recommended to select a primary URL for your webpage and set up redirects from all other variations to the preferred one.
Details
HIGH
To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.
Details
HIGH
Add a meta description tag to provide a brief and informative summary of the page's content for search engines.
Details
HIGH
To ensure that Search Engines can accurately identify the topic of this webpage, it is important to include the most common keywords in the title tag, meta description, and heading tags.
Details
HIGH
Using images in a modern format can significantly reduce the file size and improve the loading speed of a webpage, providing a better user experience and potentially increasing engagement.
Details
MEDIUM
Serving resources (images, JS, CSS) from a CDN service, could improve website loading times, reduce bandwidth costs and increase content availability and redundancy.
Details
MEDIUM
Serve properly sized images to reduce page loading times and to improve user's experience.
Details
MEDIUM
Add a Google Analytics script to this website to help in diagnosing potential SEO issues by monitoring site visitors and traffic sources.
Details
LOW
Consider reducing the HTML size to improve loading times and retain visitors.
Details
LOW
Reducing the Document Object Model (DOM) size can lead to faster page loading times, improved site performance, and better user experience by decreasing the amount of time it takes for the browser to process and render the page.
Details
LOW
While a canonical link tag can help in resolving duplicate content issues, it's important to verify that the specified URL is accurate, especially if the site's URL structure has been recently updated.
Details
LOW
Without an SPF record, spammers can easily spoof emails from this domain, potentially leading to compromised email security and deliverability issues.
Details
LOW
Using more than 20 HTTP requests on a webpage can negatively impact the loading time.
Details

AI Insights

Score:0
Failed:0
Warnings:0
Passed:5
Domain Business Context
Understanding the business context of a domain can help you create content that is more relevant to your target audience and differentiate your website from competitors.

What is this domain about

A multilingual online encyclopedia homepage featuring featured articles, current events, and navigation to knowledge resources.

Industry Niche

Collaborative Online Encyclopedia

Target Audience

Readers, students, researchers, and volunteer editors seeking general reference information and collaborative knowledge editing.

LLM Visibility Checker
LLM Visibility Checker

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Content Strengths and Weaknesses

This webpage is highly effective as a navigation and discovery hub, with clear sections for featured content, current events, and sister projects. Its content is concise, well-structured, and strongly supported by visible trust and governance signals, though it is intentionally shallow because it serves as a portal rather than a standalone article.

Content Strengths

  • Clear Portal Structure
  • Strong Fresh Content
  • High Navigation Utility

Content Weaknesses

  • Limited Original Depth
  • Minimal Topic Focus
  • Few Editorial Details
Content Trust
94%
Topical Relevance98%
Subject Expertise96%
Credibility88%

This website appears highly trustworthy because it clearly identifies the Wikimedia Foundation, provides policy and contact links, and shows licensing and governance information. The content is also strongly relevant and expertise-rich for a general encyclopedia homepage, though credibility is slightly tempered by the absence of individual author attribution on the page itself.

Visual SEO Analysis
Visual SEO Analysis

Find out if your page design converts the visitors you earn

We score six things that decide whether a visitor stays and acts, from the first screen to the path to action, and rank every fix by effort and impact.

Content Freshness
97%

This webpage is fresh, with live current-events modules, today-oriented featured content, and a visible last-edited timestamp from March 2026. The page is clearly maintained and actively updated, and there are no strong signs of staleness in the core content.

Positive Signals

  • Current events module
  • Last edited March 2026
  • Today’s featured content
Content Opportunities

The page already performs well as a high-level gateway, so the biggest opportunities are around making its curated content more explainable and more useful for different visitor intents. Improvements should focus on adding context, editorial transparency, and more guided pathways from the homepage into deeper learning experiences.

Quick Wins

  • •Add a one-sentence note explaining how featured homepage items are selected.
  • •Link a short FAQ about editing, sourcing, and page updates from the homepage.
  • •Place a compact source-summary line under the featured article and news sections.

Common SEO issues

Score:66
Failed:4
Warnings:1
Passed:14
Meta Title Test
100% of top 100 sites passed
This webpage is using a title tag.
Text: Wikipedia, the free encyclopedia
Length: 32 characters
Meta Description Test
92% of top 100 sites passed
This webpage is not using a meta description tag! You should include this tag in order to provide a brief description of your page which can be used by search engines. Well-written and inviting meta descriptions may also help click-through rates to your site in search engine results.
Google Search Results Preview Test
Desktop version
https://en.wikipedia.org/wiki/Main_pageWikipedia, the free encyclopedia
Mobile version
https://en.wikipedia.org/wiki/Main_pageWikipedia, the free encyclopedia
Social Media Meta Tags Test
89% of top 100 sites passed
This webpage is using social media meta tags.
Open Graph Meta Tags
og:imagehttps://upload.wikimedia.org/wikipedia/commons/3/3b/Big_cypress.jpg
og:image:width1200
og:image:height823
og:titleWikipedia, the free encyclopedia
og:typewebsite
Most Common Keywords Test
There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.
17wikipedia
10page
9featured
8free
7main
Keywords Usage Test
48% of top 100 sites passed
The most common keywords of this webpage are not distributed across the important HTML tags! Primary keywords should appear in title tag, meta description and heading tags to help Search Engines to properly identify the topic of this webpage.
Keyword
Title tag
Meta description
Headings
wikipedia
page
featured
free
main
Keywords Cloud Test
account
active
adder
appearance
archive
areas
article
articles
bahasa
basa
changes
collected
common
commons
community
contact
content
create
current
dark
donate
dynasty
ecosystems
edit
editors
email
encyclopedia
english
environment
events
everglades
featured
file
fish
florida
foundation
free
have
help
hide
history
houses
including
june
known
languages
large
light
links
list
læsø
main
marine
mediawiki
menu
meta
national
news
norsk
page
pictured
portal
projects
questions
read
recent
recently
search
seaweed
sidebar
small
snake
source
species
standard
study
text
time
today
tools
trees
tropical
upload
using
view
water
wide
wiki
wikibooks
wikidata
wikifunctions
wikimedia
wikipedia
wikiquote
wikisource
wikispecies
wikiversity
wikivoyage
wiktionary
written
Competitor Domains Test
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Heading Tags Test
62% of top 100 sites passed
This webpage contains headings tags.
H1 tags
Main Page
Welcome to Wikipedia
H2 tags
From today's featured article
Did you know ...
In the news
On this day
From today's featured list
Today's featured picture
Other areas of Wikipedia
Wikipedia's sister projects
Wikipedia languages
Robots.txt Test
99% of top 100 sites passed
This website is using a robots.txt file.
Sitemap Test
83% of top 100 sites passed
Image Alt Test
78% of top 100 sites passed
This webpage is using "img" tags with empty or missing "alt" attribute!
Responsive Image Test
29% of top 100 sites passed
Not all images in this webpage are properly sized! This webpage is serving images that are larger than needed for the size of the user's viewport.
Image Aspect Ratio Test
75% of top 100 sites passed
All image display dimensions match the natural aspect ratio.
Deprecated HTML Tags Test
94% of top 100 sites passed
This webpage does not use HTML deprecated tags.
Google Analytics Test
72% of top 100 sites passed
A Google Analytics script is not detected on this page. While there are several tools available to monitor your site's visitors and traffic sources, Google Analytics is a free, commonly recommended program to help diagnose potential SEO issues.
Favicon Test
100% of top 100 sites passed
favicon
This website appears to have a favicon.
JS Error Test
83% of top 100 sites passed
There are no severe JavaScript errors on this webpage.
Console Errors Test
27% of top 100 sites passed
This webpage doesn't have any warnings or errors caught by the Chrome DevTools Console.
Charset Declaration Test
96% of top 100 sites passed
This webpage has a character encoding declaration.
Content-Type: text/html; charset=UTF-8

Speed optimizations

Score:70
Failed:6
Warnings:1
Passed:13
HTML Page Size Test
23% of top 100 sites passed
The size of this webpage's HTML is 70.09 Kb, and is greater than the average size of 33 Kb! This can lead to slower loading times, lost visitors, and decreased revenue. Good steps to reduce HTML size include: using HTML compression, CSS layouts, external style sheets, and moving javascript to external files.
DOM Size Test
56% of top 100 sites passed
The Document Object Model (DOM) of this webpage has 2,317 nodes which is greater than the recommended value of 1,500 nodes! A large DOM size negatively affects site performance and increases the page load time.
HTML Compression/GZIP Test
99% of top 100 sites passed
This webpage is successfully compressed using gzip compression on your code. The HTML code is compressed from 422.29 Kb to 70.09 Kb (83% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test
71% of top 100 sites passed
The loading time of this webpage (measured from N. Virginia, US) is around 1.07 seconds and this is under the average loading speed which is 5 seconds.
Related Keywords

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JS Execution Time Test
53% of top 100 sites passed
The JavaScript code used by this webpage is executed in less than 2 seconds.
Page Objects Test
7% of top 100 sites passed
This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!
Content size by content type
Content type
Percent
Size
image
49.9 %
351.04 Kb
javascript
38.9 %
273.64 Kb
html
7.6 %
53.71 Kb
css
3.6 %
25.47 Kb
font
0.0 %
0 B
other
0.0 %
0 B
TOTAL
100%
703.85 Kb
Requests by content type
Content type
Percent
Requests
image
71.4 %
25
javascript
20.0 %
7
css
5.7 %
2
html
2.9 %
1
font
0.0 %
0
other
0.0 %
0
TOTAL
100%
35
Content size by domain
Domain
Percent
Size
en.wikipedia.org
59.0 %
415.11 Kb
upload.wikimedia.org
40.8 %
287.32 Kb
auth.wikimedia.org
0.2 %
1.43 Kb
TOTAL
100%
703.85 Kb
Requests by domain
Domain
Percent
Requests
upload.wikimedia.org
51.4 %
18
en.wikipedia.org
45.7 %
16
auth.wikimedia.org
2.9 %
1
TOTAL
100%
35
CDN Usage Test
95% of top 100 sites passed
This webpage is not serving resources (images, javascript and css) from CDNs!
Modern Image Format Test
43% of top 100 sites passed
This webpage is not serving images in a modern format! Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.
Image Metadata Test
72% of top 100 sites passed
This webpage is not using images with large metadata.
Image Caching Test
95% of top 100 sites passed
This website is using cache headers for images and the browsers will display these images from the cache.
JavaScript Caching Test
96% of top 100 sites passed
This webpage is using cache headers for all JavaScript resources.
CSS Caching Test
98% of top 100 sites passed
This webpage is using cache headers for all CSS resources.
JavaScript Minification Test
98% of top 100 sites passed
All JavaScript files used by this webpage are minified.
CSS Minification Test
100% of top 100 sites passed
All CSS resources used by this webpage are minified.
Render Blocking Resources Test
15% of top 100 sites passed
This webpage is using render blocking resources! Eliminating render-blocking resources can help this webpage to load significantly faster and will improve the website experience for your visitors.
URL Redirects Test
97% of top 100 sites passed
This URL performed 1 redirects! While redirects are typically not advisable (as they can affect search engine indexing issues and adversely affect site loading time), one redirect may be acceptable, particularly if the URL is redirecting from a non-www version to its www version, or vice-versa.
Time To First Byte Test
99% of top 100 sites passed
The Time To First Byte value of this webpage is 0.002 seconds. To provide a good user experience, Google recommends that sites should strive to have a TTFB of 0.8 seconds or less.
0.002 s
0.8 s
1.8 s
First Contentful Paint Test
90% of top 100 sites passed
The First Contentful Paint value of this webpage is 1.156 seconds. To provide a good user experience, Google recommends that sites should strive to have a First Contentful Paint value of 1.8 seconds or less.
1.156 s
1.8 s
3 s
Largest Contentful Paint Test
77% of top 100 sites passed
The Largest Contentful Paint duration of this webpage is 1.16 seconds. To provide a good user experience, Google recommends that sites should strive to have Largest Contentful Paint of 2.5 seconds or less.
1.16 s
2.5 s
4 s
Largest Contentful Paint element within the viewport:
Text: The geography and ecology of the Everglades are areas of study of the vast inter...
Html:

The geography and ecology of the Everglades are areas of study of the vast interco

Cumulative Layout Shift Test
91% of top 100 sites passed
The CLS score of this webpage is 0.0005. To provide a good user experience, Google recommends that sites should strive to have a CLS score of 0.1 or less.
0.0005
0.1
0.25
DOM element which contributes the most to CLS score:
Text: Color Automatic Light Dark
Html: <div class="mw-portlet mw-portlet-skin-client-prefs-skin-theme..." id="skin-client-prefs-skin-theme">
Score: 0.0005

Server and security

Score:61
Failed:1
Warnings:1
Passed:5
URL Canonicalization Test
93% of top 100 sites passed
https://en.wikipedia.org/wiki/Main_page and https://www.en.wikipedia.org/wiki/Main_page should resolve to the same URL, but currently do not.
SSL Checker and HTTPS Test
100% of top 100 sites passed
This website is successfully using the HTTPS protocol, but the SSL Certificate will expire in less than a month! Having an up-to-date certificate is an important security practice to ensure that your website is safe and provides trust, and any communication between the user's browser and your website (such as passwords, credit cards, or forms) is encrypted and private.
The certificate is not used before the activation date.
The certificate will expire in less than a month!
The hostname "en.wikipedia.org" is correctly listed in the certificate.
The certificate should be trusted by all major web browsers.
The certificate was not revoked.
The certificate was signed with a secure hash.
Certificate Chain:
Server certificate
Common Name
*.wikipedia.org
Subject Alternative Names
*.m.mediawiki.org, *.m.wikibooks.org, *.m.wikidata.org, *.m.wikimedia.org, *.m.wikinews.org, *.m.wikipedia.org, *.m.wikiquote.org, *.m.wikisource.org, *.m.wikiversity.org, *.m.wikivoyage.org, *.m.wiktionary.org, *.mediawiki.org, *.planet.wikimedia.org, *.wikibooks.org, *.wikidata.org, *.wikifunctions.org, *.wikimedia.org, *.wikimediafoundation.org, *.wikinews.org, *.wikipedia.org, *.wikiquote.org, *.wikisource.org, *.wikiversity.org, *.wikivoyage.org, *.wiktionary.org, *.wmfusercontent.org, mediawiki.org, w.wiki, wikibooks.org, wikidata.org, wikifunctions.org, wikimedia.org, wikimediafoundation.org, wikinews.org, wikipedia.org, wikiquote.org, wikisource.org, wikiversity.org, wikivoyage.org, wiktionary.org, wmfusercontent.org
Not Valid Before
Tue, April 7, 2026 at 8:52:30 PM UTC
Not Valid After
Mon, July 6, 2026 at 8:52:29 PM UTC
Signature Algorithm
ecdsaWithSha384
Issuer
E7
Intermediate certificate
Common Name
E7
Organization
Let's Encrypt
Location
US
Not Valid Before
Wed, March 13, 2024 at 12:00:00 AM UTC
Not Valid After
Fri, March 12, 2027 at 11:59:59 PM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
ISRG Root X1
Root certificate
Common Name
ISRG Root X1
Organization
Internet Security Research Group
Location
US
Not Valid Before
Thu, June 4, 2015 at 11:04:38 AM UTC
Not Valid After
Mon, June 4, 2035 at 11:04:38 AM UTC
Signature Algorithm
sha256WithRsaEncryption
Issuer
ISRG Root X1
Mixed Content Test (HTTP over HTTPS)
100% of top 100 sites passed
This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test
99% of top 100 sites passed
This webpage is using the HTTP/2 protocol.
HSTS Test
84% of top 100 sites passed
This webpage is using the Strict-Transport-Security header.
strict-transport-security:max-age=106384710; includesubdomains; preload
Plaintext Emails Test
97% of top 100 sites passed
This webpage does not include email addresses in plaintext.

Mobile usability

Score:100
Failed:0
Warnings:0
Passed:3
Meta Viewport Test
92% of top 100 sites passed
This webpage is using a viewport meta tag.
<meta name="viewport" content="width=1120" />
Media Query Responsive Test
98% of top 100 sites passed
This webpage is using CSS media queries, which is the base for responsive design functionalities.
Mobile Snapshot Test
Mobile view

Advanced SEO

Score:74
Failed:3
Warnings:1
Passed:5
Structured Data Test
66% of top 100 sites passed
This webpage is using structured data.
Custom 404 Error Page Test
80% of top 100 sites passed
This website is using a custom 404 error page. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.
Noindex Tag Test
99% of top 100 sites passed
This webpage does not use the noindex meta tag. This means that it can be indexed by search engines.
Canonical Tag Test
93% of top 100 sites passed
This webpage is using the canonical link tag. This tag specifies that the URL: https://en.wikipedia.org/wiki/Main_Page should be the preferred version of this page. The canonical tag can be useful when there are similar versions of the same content on several URLs (e.g., such as e-commerce sites where URL modifiers like sort parameters are appended to a product page's URL). Please ensure that this specification is correct, as canonical tags are often hard-coded and may not always reflect the latest changes in a site's URL structure.
<link href="https://en.wikipedia.org/wiki/Main_Page" rel="canonical"/>
Nofollow Tag Test
This webpage is using the nofollow meta tag! We recommend to use this tag carefully since search engines will not crawl all links from this webpage.
Disallow Directive Test
Your robots.txt file includes a disallow command which instructs search engines to avoid certain parts of your website! You are advised to confirm if access to these resources or pages are intended to be blocked (e.g., if they contain internal-only content or sensitive information).
Meta Refresh Test
98% of top 100 sites passed
This webpage is not using a meta refresh tag.
SPF Records Test
94% of top 100 sites passed
This DNS server is not using an SPF record! SPF (Sender Policy Framework) allows administrators to specify which hosts are allowed to send mail from a given domain by creating a specific SPF record or TXT record in the Domain Name System (DNS). You can find more information about SPF records here.
Ads.txt Validation Test
67% of top 100 sites passed
This website doesn't use an ads.txt file! Ads.txt is a text file that contains a list of Authorized Digital Sellers. The purpose of ads.txt files is to give advertisers and advertising networks the ability to verify who is allowed to sell advertising on your website.

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