Tools & Wizards About Us

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

opticauniversitaria.com

Óptica & Audiología Universitaria, las mejores marcas a los mejores precios

Page Load Speed

3.5 sec in total

First Response

294 ms

Resources Loaded

2.3 sec

Page Rendered

865 ms

About Website

Click here to check amazing Optica Universitaria content. Otherwise, check out these important facts you probably never knew about opticauniversitaria.com

La tienda online de gafas que cuida tu estilo y tu visión. Descubre todos los modelos en gafas de sol, gafas graduadas y lentillas en Óptica Universitaria.

Visit opticauniversitaria.com

Key Findings

We analyzed Opticauniversitaria.com page load time and found that the first response time was 294 ms and then it took 3.2 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

opticauniversitaria.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value1.182

1/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

opticauniversitaria.com

294 ms

www.opticauniversitaria.es

837 ms

main.js

41 ms

slick.js

42 ms

video.js

30 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Opticauniversitaria.com, 90% (77 requests) were made to Opticauniversitaria.es and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (837 ms) relates to the external source Opticauniversitaria.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 163.6 kB (18%)

Content Size

922.1 kB

After Optimization

758.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opticauniversitaria.com main page is 922.1 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. 65% of websites need less resources to load. Images take 514.0 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 163.4 kB

  • Original 184.1 kB
  • After minification 183.9 kB
  • After compression 20.7 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. 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 163.4 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 8 B

  • Original 514.0 kB
  • After minification 514.0 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. Optica Universitaria images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 165 B

  • Original 146.5 kB
  • After minification 146.5 kB
  • After compression 146.3 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

-0%

Potential reduce by 67 B

  • Original 77.6 kB
  • After minification 77.6 kB
  • After compression 77.5 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. Opticauniversitaria.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (29%)

Requests Now

77

After Optimization

55

  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optica Universitaria. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

opticauniversitaria.com accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs 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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

opticauniversitaria.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

opticauniversitaria.com SEO score

86

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

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 doesn't use 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 Opticauniversitaria.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 Opticauniversitaria.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

Open Graph data is detected on the main page of Optica Universitaria. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: