Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

espalda.org

El web de la Espalda

Page Load Speed

1.6 sec in total

First Response

395 ms

Resources Loaded

1 sec

Page Rendered

140 ms

espalda.org screenshot

About Website

Visit espalda.org now to see the best up-to-date Espalda content for Venezuela and also check out these interesting facts you probably never knew about espalda.org

Investigación y asistencia sanitaria especializada en la espalda. En español e inglés.

Visit espalda.org

Key Findings

We analyzed Espalda.org page load time and found that the first response time was 395 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

espalda.org performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

espalda.org

395 ms

home.css

175 ms

standard.css

179 ms

jsapi

20 ms

logo_cabecera.gif

94 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 59% of them (16 requests) were addressed to the original Espalda.org, 30% (8 requests) were made to Google.com and 7% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (525 ms) belongs to the original domain Espalda.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 139.0 kB (53%)

Content Size

263.9 kB

After Optimization

125.0 kB

In fact, the total size of Espalda.org main page is 263.9 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. 20% of websites need less resources to load. Javascripts take 140.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.4 kB

  • Original 27.0 kB
  • After minification 24.8 kB
  • After compression 6.6 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 20.4 kB or 76% of the original size.

Image Optimization

-13%

Potential reduce by 9.8 kB

  • Original 73.4 kB
  • After minification 63.6 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. Obviously, Espalda needs image optimization as it can save up to 9.8 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 89.6 kB

  • Original 140.8 kB
  • After minification 140.8 kB
  • After compression 51.2 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 89.6 kB or 64% of the original size.

CSS Optimization

-84%

Potential reduce by 19.2 kB

  • Original 22.7 kB
  • After minification 18.2 kB
  • After compression 3.6 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. Espalda.org needs all CSS files to be minified and compressed as it can save up to 19.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (52%)

Requests Now

25

After Optimization

12

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Espalda. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

espalda.org accessibility score

77

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

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.

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

espalda.org 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

espalda.org 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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Espalda.org 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 Espalda.org main page’s claimed encoding is iso-8859-1. 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 Espalda. 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: