Tools & Wizards About Us

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

rpoptics.com

Home

Page Load Speed

1.5 sec in total

First Response

92 ms

Resources Loaded

1.2 sec

Page Rendered

193 ms

About Website

Click here to check amazing Rpoptics content for United States. Otherwise, check out these important facts you probably never knew about rpoptics.com

Proud U.S. Precision Optical Supplier

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Key Findings

We analyzed Rpoptics.com page load time and found that the first response time was 92 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

rpoptics.com performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

39/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value2,260 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.334

34/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

www.rpoptics.com

92 ms

main.min.css

29 ms

module_59032623143_Navbar_with_Menu.min.css

54 ms

slick.min-3.min.css

56 ms

module_173746341206_Background_Image_Carousel_Module_copy.min.css

67 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 48% of them (30 requests) were addressed to the original Rpoptics.com, 15% (9 requests) were made to No-cache.hubspot.com and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (512 ms) belongs to the original domain Rpoptics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.5 kB (9%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rpoptics.com main page is 1.2 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. 60% of websites need less resources to load. Images take 785.7 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 97.7 kB

  • Original 110.6 kB
  • After minification 87.6 kB
  • After compression 12.8 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 22.9 kB, which is 21% 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 97.7 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 678 B

  • Original 785.7 kB
  • After minification 785.0 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. Rpoptics images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 8.8 kB

  • Original 272.6 kB
  • After minification 272.6 kB
  • After compression 263.8 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

-5%

Potential reduce by 4.3 kB

  • Original 80.1 kB
  • After minification 80.1 kB
  • After compression 75.8 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. Rpoptics.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 27 (49%)

Requests Now

55

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rpoptics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rpoptics.com accessibility score

86

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

rpoptics.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rpoptics.com SEO score

84

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

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 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 Rpoptics.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 Rpoptics.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 Rpoptics. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: