Tools / Website health checker

Website health checker

Check 17 home-page fundamentals, including search visibility, mobile settings and contact paths. Response times are measured from Tokyo.

ver 1.0last update 2026.10.30

Sample audit

A fictional sample website.

Report language

65/100

The basics are in place. Start with the highest-priority improvements.

https://www.example.co.jp/

Improvement priorities

01
Analytics
No analytics tags detected. Tags loaded later may not be detectable.
Consider Google Analytics (GA4), Google Tag Manager or an appropriate analytics tool.
02
Click-to-call link
No phone number link found.
Use a link such as <a href="tel:0312345678"> so mobile users can call with a tap. No change is needed if you do not accept calls.
03
Image file size
3 of 8 checked images exceed 300 KB (maximum 612 KB).
For images over 300 KB, consider resizing to their display dimensions or using a lighter format such as WebP.

Scores by category

Security and speed17 / 20
Search engine support26 / 35
Images and social sharing7 / 15
Contact paths10 / 15
Analytics and structured data5 / 15

All checks

Security and speed17 / 20

Good
HTTPS
8 / 8
The connection is encrypted with HTTPS.
Encryption helps prevent tampering and eavesdropping. Without it, a browser may display a Not secure warning.
Needs improvement
Server response time
5 / 8
Initial response is 1.2 seconds. The guideline is under 0.8 seconds.
Review server processing, plugins, caching and CDN use. Hosting performance may also be a factor.
A slow initial response increases waiting time and can cause visitors to leave.
Good
Transfer compression
4 / 4
Transfer is compressed (br).
Compressing HTML reduces transfer size, especially helping mobile connections.

Search engine support26 / 35

Good
Search engine visibility
6 / 6
The page is open to search engines.
Pages marked noindex are not displayed in search results such as Google’s.
Good
Mobile viewport
6 / 6
Mobile viewport settings are present.
This helps mobile browsers display the page at a readable size instead of shrinking a desktop layout.
Needs improvement
Page title
3 / 6
52 characters. The guideline is 15–45.
Include the company or service name and its purpose. The existing heuristic is 15–45 characters; review suitability for the content language.
The title is important text shown in search results and browser tabs.
Needs improvement
Meta description
3 / 6
38 characters. The guideline is 50–130.
Summarize the business and its strengths in the meta description. The existing heuristic is 50–130 characters; review suitability for the content language.
Descriptions often appear below titles in search results and can influence clicks.
Good
Main heading (H1)
5 / 5
One H1: “Fictional sample company website”
An H1 helps search engines and assistive technologies understand the page’s subject.
Missing
Sitemap
0 / 3
No sitemap.xml found.
Create sitemap.xml and consider listing it in robots.txt or submitting it through Google Search Console. CMS features or plugins can generate it.
A sitemap helps search engines discover pages on your site.
Good
Basic tags
3 / 3
lang, canonical and favicon are all set.
These identify the page language and canonical URL and distinguish the site in tabs and bookmarks.

Images and social sharing7 / 15

Needs improvement
Social sharing (Open Graph)
2 / 5
og:image is not set.
Consider setting og:title, og:description and og:image. A typical image size is 1200×630 pixels.
These properties control titles and images when a URL is shared in social apps or chats.
Good
Image alternative text
5 / 5
96% of images have alt attributes.
Alternative text supports people who cannot see images and provides image context.
Needs improvement
Image file size
0 / 5
3 of 8 checked images exceed 300 KB (maximum 612 KB).
For images over 300 KB, consider resizing to their display dimensions or using a lighter format such as WebP.
Large images slow page loading, especially on mobile connections.

Contact paths10 / 15

Good
Contact path
10 / 10
A contact form is present on the page.
Interested visitors should be able to contact the business easily.
Missing
Click-to-call link
0 / 5
No phone number link found.
Use a link such as <a href="tel:0312345678"> so mobile users can call with a tap. No change is needed if you do not accept calls.
Mobile visitors can call without copying the number.

Analytics and structured data5 / 15

Missing
Analytics
0 / 10
No analytics tags detected. Tags loaded later may not be detectable.
Consider Google Analytics (GA4), Google Tag Manager or an appropriate analytics tool.
Usage data helps assess whether changes improve the site.
Good
Structured data
5 / 5
Structured data is present (Organization).
Structured data helps search engines interpret company information.

Reference information (not scored)

Social media links: Instagram・X
Careers link: Present
Estimated CMS: WordPress
HTML size: 180KB
Final URL: https://www.example.co.jp/

This is an automated assessment of the home page’s HTML. It does not guarantee site quality or search rankings. Response time is measured from a server in Tokyo. Character-length guidelines retain the original heuristics and may not suit every language.

How to use

01
Enter the URL to audit.
02
Click Run audit to start.
03
Wait about 10 seconds; time depends on the site.
04
View the total score, S–D grade, priorities, individual checks and improvement suggestions.

17 checks

Security and speed

HTTPS: HTTPS support, valid certificate and automatic HTTP-to-HTTPS redirects
Server response time: Time until the first server response, measured from Tokyo
Transfer compression: Whether gzip or Brotli compression is used

Search engine support

Search visibility: Whether noindex restricts search visibility
Mobile viewport: Whether viewport settings match mobile screen widths
Page title: Presence and character length of the page title
Meta description: Presence and character length of the meta description
Main heading (H1): Whether there is one main H1 heading
Sitemap: Presence of sitemap.xml or a sitemap entry in robots.txt
Basic tags: Language, canonical URL and favicon settings

Images and social sharing

Open Graph: Title, description and image for sharing previews
Image alternative text: Whether images have alt attributes
Image size: Images over 300 KB, checking up to the first eight images

Contact paths

Contact path: Forms or links for inquiries, consultation or reservations
Click-to-call: Whether a telephone link allows calling with a tap

Analytics and structured data

Analytics: Whether analytics tags such as Google Analytics are present
Structured data: Whether JSON-LD structured data can be parsed