SEO Checker: we reviewed 11 pages from Chilean online stores ahead of Black Friday, and 7 show no H1

The InfoByData SEO Checker is a free tool that reviews the on-page SEO basics of any public page in seconds: title, meta description, headings, canonical, indexing, images, links, Open Graph and structured data. To show what it finds, we used it on the home pages of 10 Chilean online stores and cyber.cl, the same sites whose speed we measured in our comparison of websites for Black Friday 2026.

The result: all of them cover the essentials (HTTPS and a mobile version), but 7 of 11 show no H1 in the HTML the server returns, and two sites have more serious errors.

11 of 11

Pages with HTTPS and a mobile version

the essentials are covered

7 of 11

No H1 in the HTML

the page's main heading

2 of 11

With a canonical or structured data error

Líder and Sodimac

Source: InfoByData review with its SEO Checker, October 30, 2026

View the data as a table

Pages with HTTPS and a mobile version	11 of 11 | the essentials are covered
No H1 in the HTML	7 of 11 | the page's main heading
With a canonical or structured data error	2 of 11 | Líder and Sodimac

What the SEO Checker reviews

You just type in a page's address. The tool downloads its HTML, as a search engine would, and returns a point-by-point review:

Check	What it reviews	Recommendation
Title	Whether it exists and its length	50 to 60 characters
Meta description	Whether it exists and its length	150 to 160 characters
H1 and H2	How many headings there are and what they say	A single H1 per page
Canonical	Which address it points to	Usually, the page itself
Indexing	Whether the page asks not to be indexed (noindex)	Indexable
HTTPS and mobile version	Secure connection and viewport tag	Both present
Language and hreflang	The declared language and its versions	Language declared
Images	How many lack alt text	All with alt
Links	Internal, external and nofollow	For information
Open Graph	Title and image for social media	Both present
Structured data	Schema types and whether they have errors	No errors

What we found in the online stores

HTTPS11

Mobile version11

Self-referencing canonical9

Language declared9

Title of 30 to 60 characters8

Meta description up to 160 characters7

Structured data without errors7

Complete Open Graph5

A single H14

All images with alt1

Source: InfoByData review with its SEO Checker, October 30, 2026

View the data as a table

HTTPS	11
Mobile version	11
Self-referencing canonical	9
Language declared	9
Title of 30 to 60 characters	8
Meta description up to 160 characters	7
Structured data without errors	7
Complete Open Graph	5
A single H1	4
All images with alt	1

The most relevant findings from the SEO Checker:

• Líder: the canonical points to walmart.com. The lider.cl home page tells Google that its preferred version is Walmart's US home page. Google treats the canonical as a hint and does not always follow it, but it is a contradictory signal. Its title, "Mundo Lider", is also only 11 characters long.
• Sodimac: structured data with errors. We found malformed schema (JSON-LD) blocks that search engines cannot read, alongside correct ones.
• Seven pages with no H1 in the HTML: abc, Easy, Falabella, Hites, Jumbo, Paris and PC Factory. Some may add it later with JavaScript, but the main heading is not in the code search engines receive on the first read.
• Descriptions that are too long: abc (173 characters), Hites (173), Easy (164) and PC Factory (196) exceed 160, so Google will probably cut them off in the results.
• Images without alt text: PC Factory has 35 of 81 images without alt, and Hites 22 of 281.
• No image for social media: Hites, Jumbo, Líder, Sodimac and cyber.cl do not declare og:image, the image shown when the link is shared on social networks or messaging apps.

Page	Title (characters)	Meta description (characters)	H1	Canonical	Images without alt
abc	33	173	0	Itself	2 of 96
cyber.cl	48	117	1	None	0 of 9
Easy	65	164	0	Itself	1 of 113
Falabella	54	149	0	Itself	5 of 66
Hites	57	173	0	Itself	22 of 281
Jumbo	32	135	0	Itself	10 of 130
Líder	11	155	1	walmart.com	6 of 21
Mercado Libre	45	127	1	Itself	3 of 74
Paris	58	141	0	Itself	4 of 149
PC Factory	65	196	0	Itself	35 of 81
Sodimac	51	149	1	Itself	15 of 140

Ripley is not in the review: its site responded with a block (403 error) to automated checks, which is common on sites with bot protection.

How to use the SEO Checker on your site

1. Go to the SEO Checker and type the address of the page you want to review, such as your home page or your best-selling product.
2. Look first at the red items (something essential is missing, such as the title or permission to index) and then the yellow ones (something can be improved, such as a length out of range).
3. Fix and check again. If your site builds its content with JavaScript, keep in mind that the tool reads the HTML returned by the server.

The SEO Checker reviews the on-page basics; speed is measured separately, with tools such as Lighthouse. If your traffic has changed in recent months, match the dates against our report on Google updates in 2026, and go over the on-page SEO best practices and how to optimize SEO for online stores.

Websites change all the time. InfoByData will run these pages through the SEO Checker again before Black Friday and update the results.