Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

santillana.cl

SANTILLANA Chile

Page Load Speed

2.3 sec in total

First Response

10 ms

Resources Loaded

1.8 sec

Page Rendered

523 ms

santillana.cl screenshot

About Website

Visit santillana.cl now to see the best up-to-date SANTILLANA content for Chile and also check out these interesting facts you probably never knew about santillana.cl

Santillana Chile es líder en ediciones escolares y generales, y referencia en la creación literaria en lengua. SANTILLANA ayundando a las personas a desarrollar su potencial en educación.

Visit santillana.cl

Key Findings

We analyzed Santillana.cl page load time and found that the first response time was 10 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

santillana.cl performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value31.1 s

0/100

25%

SI (Speed Index)

Value19.5 s

0/100

10%

TBT (Total Blocking Time)

Value2,370 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.554

13/100

15%

TTI (Time to Interactive)

Value34.3 s

0/100

10%

Network Requests Diagram

santillana.cl

10 ms

santillana.cl

837 ms

api.js

62 ms

cmp_corp.js

12 ms

css

85 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 50% of them (56 requests) were addressed to the original Santillana.cl, 14% (16 requests) were made to Wcchilepro.s3.amazonaws.com and 11% (12 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (837 ms) belongs to the original domain Santillana.cl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (19%)

Content Size

8.0 MB

After Optimization

6.5 MB

In fact, the total size of Santillana.cl main page is 8.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 5.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 65.9 kB

  • Original 77.3 kB
  • After minification 73.9 kB
  • After compression 11.4 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 65.9 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 213.0 kB

  • Original 5.0 MB
  • After minification 4.8 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. SANTILLANA images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 757.3 kB

  • Original 2.4 MB
  • After minification 2.1 MB
  • After compression 1.6 MB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 757.3 kB or 32% of the original size.

CSS Optimization

-84%

Potential reduce by 470.2 kB

  • Original 560.4 kB
  • After minification 455.7 kB
  • After compression 90.2 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Santillana.cl needs all CSS files to be minified and compressed as it can save up to 470.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (56%)

Requests Now

96

After Optimization

42

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SANTILLANA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

santillana.cl accessibility score

67

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

santillana.cl best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

santillana.cl SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Santillana.cl can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Santillana.cl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of SANTILLANA. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: