Tools & Wizards About Us
scielo.sld.cu screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

scielo.sld.cu

SciELO - Scientific Electronic Library Online

Page Load Speed

4.3 sec in total

First Response

1.2 sec

Resources Loaded

3 sec

Page Rendered

140 ms

scielo.sld.cu screenshot

About Website

Click here to check amazing SciELO Sld content for Mexico. Otherwise, check out these important facts you probably never knew about scielo.sld.cu

Visit scielo.sld.cu

Key Findings

We analyzed Scielo.sld.cu page load time and found that the first response time was 1.2 sec and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

scielo.sld.cu performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

scielo.php

1201 ms

scielo.css

262 ms

scielobre.gif

263 ms

general.css

258 ms

layout.css

259 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 78% of them (7 requests) were addressed to the original Scielo.sld.cu, 22% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Scielo.sld.cu.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.3 kB (33%)

Content Size

31.4 kB

After Optimization

21.1 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Scielo.sld.cu main page is 31.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 17.2 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 5.1 kB

  • Original 7.5 kB
  • After minification 7.4 kB
  • After compression 2.4 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 5.1 kB or 68% of the original size.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-76%

Potential reduce by 5.1 kB

  • Original 6.7 kB
  • After minification 4.9 kB
  • After compression 1.6 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. Scielo.sld.cu needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (38%)

Requests Now

8

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SciELO Sld. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

scielo.php

scielo.php

1201 ms

scielo.css

scielo.css

262 ms

scielobre.gif

scielobre.gif

263 ms

general.css

general.css

258 ms

layout.css

layout.css

259 ms

styles.css

styles.css

263 ms

e-mailt.gif

e-mailt.gif

690 ms

ga.js

ga.js

40 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

scielo.sld.cu accessibility score

66

Accessibility Issues

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

Best Practices

scielo.sld.cu 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

scielo.sld.cu SEO score

62

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scielo.sld.cu 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 Scielo.sld.cu 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

scielo.sld.cu

Open Graph description is not detected on the main page of SciELO Sld. 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: