Tools & Wizards About Us
masterlens.es screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

masterlens.es

Lentillas Online | Lentes de Contacto | Vision Direct

Page Load Speed

2.7 sec in total

First Response

251 ms

Resources Loaded

2.2 sec

Page Rendered

331 ms

masterlens.es screenshot

About Website

Click here to check amazing Masterlens content. Otherwise, check out these important facts you probably never knew about masterlens.es

Comprar lentillas online en Vision Direct. Todas las marcas de lentes de contacto con hasta 45% descuento y envíos en 24h. Óptica online Nº1 en España.

Visit masterlens.es

Key Findings

We analyzed Masterlens.es page load time and found that the first response time was 251 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

masterlens.es performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value2,880 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

Network Requests Diagram

www.visiondirect.es

251 ms

a6ac79b54bf6bdea228cf44344c68614.css

256 ms

bbab7e5e4dfaf1407e208cee9b5db5a4.js

528 ms

fonts.css

247 ms

d2701078fbcd6cb3081ef3799871537b.js

282 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Masterlens.es, 18% (10 requests) were made to and 11% (6 requests) were made to Visiondirect.es. The less responsive or slowest element that took the longest time to load (690 ms) relates to the external source Visiondirect.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 392.9 kB (46%)

Content Size

856.1 kB

After Optimization

463.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Masterlens.es main page is 856.1 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. 45% of websites need less resources to load. CSS take 326.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 96.5 kB

  • Original 117.3 kB
  • After minification 88.3 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. This page needs HTML code to be minified as it can gain 28.9 kB, which is 25% 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 96.5 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 15.4 kB

  • Original 251.6 kB
  • After minification 236.2 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. Masterlens images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 92.8 kB

  • Original 161.1 kB
  • After minification 161.1 kB
  • After compression 68.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 92.8 kB or 58% of the original size.

CSS Optimization

-58%

Potential reduce by 188.1 kB

  • Original 326.2 kB
  • After minification 324.4 kB
  • After compression 138.0 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. Masterlens.es needs all CSS files to be minified and compressed as it can save up to 188.1 kB or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (45%)

Requests Now

44

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Masterlens. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.visiondirect.es

www.visiondirect.es

251 ms

a6ac79b54bf6bdea228cf44344c68614.css

a6ac79b54bf6bdea228cf44344c68614.css

256 ms

bbab7e5e4dfaf1407e208cee9b5db5a4.js

bbab7e5e4dfaf1407e208cee9b5db5a4.js

528 ms

fonts.css

fonts.css

247 ms

d2701078fbcd6cb3081ef3799871537b.js

d2701078fbcd6cb3081ef3799871537b.js

282 ms

47729B7799005AD41.css

47729B7799005AD41.css

690 ms

86f2fc2625bf5b93a27cc4f20d26ba90.css

86f2fc2625bf5b93a27cc4f20d26ba90.css

89 ms

opc-ajax-loader.gif

opc-ajax-loader.gif

104 ms

banner-up-to-45-cheaper-es.jpg

banner-up-to-45-cheaper-es.jpg

219 ms

customer-service.jpg

customer-service.jpg

179 ms

banner-delivery.jpg

banner-delivery.jpg

176 ms

blank.gif

blank.gif

175 ms

shutterstock_367738955.jpg

shutterstock_367738955.jpg

319 ms

trustpilot.png

trustpilot.png

178 ms

transparent.gif

transparent.gif

318 ms

blank.gif

blank.gif

176 ms

gtm.js

gtm.js

20 ms

vd-logo-es.png

vd-logo-es.png

307 ms

yz8SzUMP0BPyxvqjKGXS15JEMzd8hWNzzQNjLi19DwaIWfN62VrpSFgMlF2XxQ8FpUePxrc9bPZ7+NvkvraVGtw==

yz8SzUMP0BPyxvqjKGXS15JEMzd8hWNzzQNjLi19DwaIWfN62VrpSFgMlF2XxQ8FpUePxrc9bPZ7+NvkvraVGtw==

15 ms

jb5L+cmRoc=

jb5L+cmRoc=

14 ms

yz8SzUMP0BPyxvqjKGXS15JEMzd8hWNzzQNjLi19DwaIWfN62VrpSFgMlF2XxQ8FpUePxrc9bPZ7+NvkvraVGtw==

yz8SzUMP0BPyxvqjKGXS15JEMzd8hWNzzQNjLi19DwaIWfN62VrpSFgMlF2XxQ8FpUePxrc9bPZ7+NvkvraVGtw==

13 ms

jb5L+cmRoc=

jb5L+cmRoc=

14 ms

analytics.js

analytics.js

26 ms

js

js

28 ms

bat.js

bat.js

69 ms

fbevents.js

fbevents.js

95 ms

buyers-guide-home-banner.jpg

buyers-guide-home-banner.jpg

227 ms

collect

collect

8 ms

collect

collect

167 ms

gtmp_compiled_9-hatpZX8VY.js

gtmp_compiled_9-hatpZX8VY.js

26 ms

collect

collect

24 ms

sprite-stars-big.png

sprite-stars-big.png

172 ms

collect

collect

171 ms

ltJbQ==

ltJbQ==

13 ms

+fLun01+n+AkqSUm1

+fLun01+n+AkqSUm1

13 ms

An+I0lt

An+I0lt

13 ms

ltJbQ==

ltJbQ==

12 ms

+fLun01+n+AkqSUm1

+fLun01+n+AkqSUm1

13 ms

An+I0lt

An+I0lt

15 ms

payment_method_social.png

payment_method_social.png

155 ms

sprites-main.png

sprites-main.png

241 ms

sprite-old-but-used.png

sprite-old-but-used.png

226 ms

102 ms

vd-cookie-banner

vd-cookie-banner

233 ms

c_1099_1.png

c_1099_1.png

94 ms

c_1100_1.png

c_1100_1.png

93 ms

c_1092_2.png

c_1092_2.png

250 ms

c_2317_1.png

c_2317_1.png

106 ms

c_1088_1.png

c_1088_1.png

171 ms

c_1126_1.png

c_1126_1.png

175 ms

bg-comparison.png

bg-comparison.png

173 ms

ga-audiences

ga-audiences

37 ms

icons-data-svg.css

icons-data-svg.css

175 ms

cookie-black-opacity25.png

cookie-black-opacity25.png

92 ms

logo-black-342x342-opacity25-rotate20.png

logo-black-342x342-opacity25-rotate20.png

86 ms

close-white-15x15.png

close-white-15x15.png

86 ms

conversion_async.js

conversion_async.js

14 ms

Accessibility Review

masterlens.es accessibility score

84

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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

masterlens.es 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

masterlens.es SEO score

98

Search Engine Optimization Advices

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

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Masterlens.es 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 Masterlens.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

masterlens.es

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