Report Summary

  • 50

    Performance

    Renders faster than
    69% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

spq.pt

Início • Sociedade Portuguesa de Química

Page Load Speed

4.5 sec in total

First Response

460 ms

Resources Loaded

3.7 sec

Page Rendered

348 ms

spq.pt screenshot

About Website

Welcome to spq.pt homepage info - get ready to check Spq best content for Brazil right away, or after learning these important things about spq.pt

Sociedade Portuguesa de Química :: SPQ :: informação, ensino e actividades de química em Portugal

Visit spq.pt

Key Findings

We analyzed Spq.pt page load time and found that the first response time was 460 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

spq.pt performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.374

28/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

spq.pt

460 ms

www.spq.pt

1171 ms

menu.css

219 ms

screen.css

220 ms

main.css

211 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 67% of them (37 requests) were addressed to the original Spq.pt, 9% (5 requests) were made to Fonts.gstatic.com and 7% (4 requests) were made to Assets.portalvivo.net. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Assets.portalvivo.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 299.5 kB (29%)

Content Size

1.0 MB

After Optimization

737.8 kB

In fact, the total size of Spq.pt main page is 1.0 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. 40% of websites need less resources to load. Images take 625.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 33.5 kB

  • Original 41.2 kB
  • After minification 27.2 kB
  • After compression 7.7 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 14.0 kB, which is 34% 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 33.5 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 27.6 kB

  • Original 625.6 kB
  • After minification 598.1 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. Spq images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 161.2 kB

  • Original 273.8 kB
  • After minification 266.4 kB
  • After compression 112.7 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 161.2 kB or 59% of the original size.

CSS Optimization

-80%

Potential reduce by 77.3 kB

  • Original 96.6 kB
  • After minification 84.6 kB
  • After compression 19.3 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. Spq.pt needs all CSS files to be minified and compressed as it can save up to 77.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (26%)

Requests Now

46

After Optimization

34

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spq. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

spq.pt accessibility score

81

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.

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

spq.pt best practices score

67

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

spq.pt SEO score

83

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    PT

  • Language Claimed

    PT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spq.pt can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and it matches the claimed language. Our system also found out that Spq.pt 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 data is detected on the main page of Spq. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: