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rhein-vision.com screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

rhein-vision.com

Rhein Vision | Rhein Vision ophthalmic lens manufacturer

Page Load Speed

4.6 sec in total

First Response

1.1 sec

Resources Loaded

3.4 sec

Page Rendered

169 ms

rhein-vision.com screenshot

About Website

Click here to check amazing Rhein Vision content. Otherwise, check out these important facts you probably never knew about rhein-vision.com

Rhein Vision is the biggest ophthalmic lens manufacturer in Romania: lens maker, ophthalmic lens, eyeglasses, glasses lens

Visit rhein-vision.com

Key Findings

We analyzed Rhein-vision.com page load time and found that the first response time was 1.1 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

rhein-vision.com performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.59

11/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

1064 ms

wpo-minify-header-d1951f94.min.css

708 ms

wpo-minify-header-f5440c18.min.js

462 ms

wpo-minify-header-eb732bc9.min.js

350 ms

wpo-minify-header-f73b1128.min.js

350 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 82% of them (18 requests) were addressed to the original Rhein-vision.com, 9% (2 requests) were made to Ssl.google-analytics.com and 5% (1 request) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Rhein-vision.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.5 kB (5%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Rhein-vision.com main page is 1.1 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. 30% of websites need less resources to load. Javascripts take 673.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 48.2 kB

  • Original 58.3 kB
  • After minification 56.8 kB
  • After compression 10.1 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 48.2 kB or 83% of the original size.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 673.6 kB
  • After minification 673.6 kB
  • After compression 672.3 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 0 B

  • Original 334.6 kB
  • After minification 334.6 kB
  • After compression 334.6 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. Rhein-vision.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (79%)

Requests Now

19

After Optimization

4

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rhein Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

1064 ms

wpo-minify-header-d1951f94.min.css

wpo-minify-header-d1951f94.min.css

708 ms

wpo-minify-header-f5440c18.min.js

wpo-minify-header-f5440c18.min.js

462 ms

wpo-minify-header-eb732bc9.min.js

wpo-minify-header-eb732bc9.min.js

350 ms

wpo-minify-header-f73b1128.min.js

wpo-minify-header-f73b1128.min.js

350 ms

wpo-minify-header-578922ba.min.js

wpo-minify-header-578922ba.min.js

468 ms

wpo-minify-header-82c9230e.min.js

wpo-minify-header-82c9230e.min.js

351 ms

wpo-minify-footer-f9ba1088.min.css

wpo-minify-footer-f9ba1088.min.css

465 ms

wpo-minify-footer-9593dec6.min.js

wpo-minify-footer-9593dec6.min.js

867 ms

wpo-minify-footer-74d20feb.min.js

wpo-minify-footer-74d20feb.min.js

588 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

575 ms

wpo-minify-footer-fc12932a.min.js

wpo-minify-footer-fc12932a.min.js

1052 ms

js

js

152 ms

wpo-minify-footer-9a851027.min.js

wpo-minify-footer-9a851027.min.js

701 ms

wpo-minify-footer-24df054d.min.js

wpo-minify-footer-24df054d.min.js

690 ms

wpo-minify-footer-a47624ae.min.js

wpo-minify-footer-a47624ae.min.js

818 ms

api.js

api.js

44 ms

wpo-minify-footer-41940dd8.min.js

wpo-minify-footer-41940dd8.min.js

822 ms

ga.js

ga.js

71 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

119 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

237 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

rhein-vision.com accessibility score

88

Accessibility Issues

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

rhein-vision.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

rhein-vision.com SEO score

100

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

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 Rhein-vision.com 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 Rhein-vision.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

rhein-vision.com

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