Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

contactlenses.com.es

Buy Cheap Contact lenses in Spain | Contactlenses.com.es

Page Load Speed

4.5 sec in total

First Response

389 ms

Resources Loaded

3.8 sec

Page Rendered

333 ms

About Website

Welcome to contactlenses.com.es homepage info - get ready to check Contactlenses best content right away, or after learning these important things about contactlenses.com.es

Spain Contact lenses at low prices! Contactlenses.com.es is a European leading supplier of mail order contact lenses and solutions.

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Key Findings

We analyzed Contactlenses.com.es page load time and found that the first response time was 389 ms and then it took 4.1 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

contactlenses.com.es performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value3,170 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

contactlenses.com.es

389 ms

www.contactlenses.com.es

1916 ms

css-ALL.min.css

708 ms

js

55 ms

jquery.min.js

516 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 6% of them (3 requests) were addressed to the original Contactlenses.com.es, 87% (46 requests) were made to Res2.contactlenses.co.uk and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Contactlenses.com.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.1 kB (9%)

Content Size

1.4 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Contactlenses.com.es main page is 1.4 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 702.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 73.6 kB

  • Original 88.6 kB
  • After minification 83.4 kB
  • After compression 15.0 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 73.6 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 59.4 kB

  • Original 702.3 kB
  • After minification 643.0 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. Contactlenses images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 577.8 kB
  • After minification 577.8 kB
  • After compression 577.8 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 124 B

  • Original 50.4 kB
  • After minification 50.4 kB
  • After compression 50.3 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. Contactlenses.com.es has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (27%)

Requests Now

49

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contactlenses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

contactlenses.com.es accessibility score

86

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 input fields do not have accessible names

High

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

contactlenses.com.es best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

contactlenses.com.es SEO score

90

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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