Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

alonsoformula.com

Formulación de Química Inorgánica y Orgánica, de Carlos Alonso. Nomenclature of Inorganic and Organic Chemistry

Page Load Speed

1.9 sec in total

First Response

393 ms

Resources Loaded

1.4 sec

Page Rendered

156 ms

alonsoformula.com screenshot

About Website

Welcome to alonsoformula.com homepage info - get ready to check Alonso Formula best content for Spain right away, or after learning these important things about alonsoformula.com

Si tienes dificultades con la Formulación entra en esta página. Puedes repasar y hacer ejercicios que están corregidos. También puedes encontrar temas y problemas de física y química resueltos.

Visit alonsoformula.com

Key Findings

We analyzed Alonsoformula.com page load time and found that the first response time was 393 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

alonsoformula.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value5,710 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

alonsoformula.com

393 ms

www.alonsoformula.com

336 ms

plusone.js

51 ms

cb=gapi.loaded_0

98 ms

alonsoformula.gif

583 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 42% of them (10 requests) were addressed to the original Alonsoformula.com, 13% (3 requests) were made to Youtube-nocookie.com and 13% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (583 ms) belongs to the original domain Alonsoformula.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 355.0 kB (71%)

Content Size

499.5 kB

After Optimization

144.5 kB

In fact, the total size of Alonsoformula.com main page is 499.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. CSS take 242.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 8.0 kB

  • Original 10.6 kB
  • After minification 9.3 kB
  • After compression 2.7 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. This page needs HTML code to be minified as it can gain 1.4 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 8.0 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 21 B

  • Original 22.8 kB
  • After minification 22.7 kB

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. Alonso Formula images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 145.1 kB

  • Original 223.2 kB
  • After minification 223.0 kB
  • After compression 78.0 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 145.1 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 201.8 kB

  • Original 242.9 kB
  • After minification 242.8 kB
  • After compression 41.0 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. Alonsoformula.com needs all CSS files to be minified and compressed as it can save up to 201.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (30%)

Requests Now

20

After Optimization

14

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alonso Formula. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

alonsoformula.com accessibility score

54

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

alonsoformula.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

alonsoformula.com SEO score

67

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    ES

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alonsoformula.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 Alonsoformula.com main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Alonso Formula. 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: