Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

opticaroma.net

Óptica ROMA - Gafas, Lentillas, Astronomía, Fotografía, Microscopía, Audiología, Observación Terrestre, Libros. - OpticaRoma

Page Load Speed

2.9 sec in total

First Response

297 ms

Resources Loaded

2.3 sec

Page Rendered

381 ms

About Website

Welcome to opticaroma.net homepage info - get ready to check Optica ROMA best content right away, or after learning these important things about opticaroma.net

Venta de artículos de Astronomía, Fotografía, Microscopia, Audiología, Observación Terrestre, Libros.

Visit opticaroma.net

Key Findings

We analyzed Opticaroma.net page load time and found that the first response time was 297 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

opticaroma.net performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

76/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

64/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

opticaroma.net

297 ms

opticaroma.com

260 ms

opticaroma.com

489 ms

style.css

138 ms

logo2.png

422 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Opticaroma.net, 97% (28 requests) were made to Opticaroma.com. The less responsive or slowest element that took the longest time to load (948 ms) relates to the external source Opticaroma.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 22.5 kB (4%)

Content Size

546.7 kB

After Optimization

524.2 kB

In fact, the total size of Opticaroma.net main page is 546.7 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. 25% of websites need less resources to load. Images take 522.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 9.4 kB

  • Original 11.8 kB
  • After minification 8.4 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. This page needs HTML code to be minified as it can gain 3.4 kB, which is 29% 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 9.4 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 2.1 kB

  • Original 522.3 kB
  • After minification 520.2 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 ROMA images are well optimized though.

CSS Optimization

-87%

Potential reduce by 10.9 kB

  • Original 12.6 kB
  • After minification 8.6 kB
  • After compression 1.7 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. Opticaroma.net needs all CSS files to be minified and compressed as it can save up to 10.9 kB or 87% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optica ROMA. According to our analytics all requests are already optimized.

Accessibility Review

opticaroma.net accessibility score

72

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

opticaroma.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

opticaroma.net SEO score

87

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

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

    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 Opticaroma.net 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 Opticaroma.net 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 description is not detected on the main page of Optica ROMA. 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: