Access libreriacienciaymedicina.com. Tus libros en Internet - ACME

44

Performance

Renders faster than
63% of other websites
54

Accessibility

Visual factors better than
that of 23% of websites
75

Best Practices

More advanced features
available than in
35% of websites
92

SEO

Google-friendlier than
74% of websites

First Response

794 ms

Resources Loaded

3.4 sec

Page Rendered

334 ms

About Website

Visit libreriacienciaymedicina.com now to see the best up-to-date Libreria Ciencia Y Medicina content and also check out these interesting facts you probably never knew about libreriacienciaymedicina.com

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Key Findings

We analyzed Libreriacienciaymedicina.com page load time and found that the first response time was 794 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value780 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0.035

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

www.libreriacienciaymedicina.com

794 ms

v_85_4874fca05ef0cd4bba87daaf07a7c8bf_all.css

192 ms

v_49_148724fa4c0cb9e88f8b5c183a3a5618.js

469 ms

style.css

285 ms

css

33 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 90% of them (78 requests) were addressed to the original Libreriacienciaymedicina.com, 5% (4 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (884 ms) belongs to the original domain Libreriacienciaymedicina.com.

Content Size

1.9 MB

After Optimization

1.6 MB

In fact, the total size of Libreriacienciaymedicina.com main page is 1.9 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 213.7 kB

Original 252.2 kB
After minification 252.2 kB
After compression 38.4 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 213.7 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 50.3 kB

Original 1.5 MB
After minification 1.4 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. Libreria Ciencia Y Medicina images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 13.5 kB

Original 85.4 kB
After minification 85.4 kB
After compression 71.9 kB

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 13.5 kB or 16% of the original size.

CSS Optimization

-21%

Potential reduce by 14.4 kB

Original 67.4 kB
After minification 67.4 kB
After compression 53.0 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. Libreriacienciaymedicina.com needs all CSS files to be minified and compressed as it can save up to 14.4 kB or 21% of the original size.

Requests Now

After Optimization

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libreria Ciencia Y Medicina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

ES
Language Claimed

ES
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libreriacienciaymedicina.com can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Libreriacienciaymedicina.com 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

libreriacienciaymedicina.com

Open Graph description is not detected on the main page of Libreria Ciencia Y Medicina. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Tus libros en Internet - ACME - Librería Ciencia y Medicina

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)