Tools & Wizards About Us

Report Summary

  • 85

    Performance

    Renders faster than
    88% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

rainbowoptometry.com

Eye Exams, Glasses, Contact Lenses, Ortho-K, & Dry Eye Treatment Upland | Rainbow Optometry

Page Load Speed

804 ms in total

First Response

29 ms

Resources Loaded

390 ms

Page Rendered

385 ms

About Website

Visit rainbowoptometry.com now to see the best up-to-date Rainbow Optometry content and also check out these interesting facts you probably never knew about rainbowoptometry.com

We specialize in providing comprehensive eye exams, contact lens fitting, orthokeratology, myopia control, dry eye treatment, and pediatric eye care. Our office is located in Upland, CA.

Visit rainbowoptometry.com

Key Findings

We analyzed Rainbowoptometry.com page load time and found that the first response time was 29 ms and then it took 775 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

rainbowoptometry.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

rainbowoptometry.com

29 ms

css2

57 ms

bulma.min.css

14 ms

styles.css

31 ms

ionicons.js

69 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 53% of them (9 requests) were addressed to the original Rainbowoptometry.com, 24% (4 requests) were made to Maps.googleapis.com and 6% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (231 ms) relates to the external source Google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.7 kB (4%)

Content Size

439.6 kB

After Optimization

420.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rainbowoptometry.com main page is 439.6 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. 30% of websites need less resources to load. Images take 332.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 17.8 kB

  • Original 21.6 kB
  • After minification 15.9 kB
  • After compression 3.8 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 5.7 kB, which is 26% 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 17.8 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 332.3 kB
  • After minification 332.3 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. Rainbow Optometry images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 923 B

  • Original 85.7 kB
  • After minification 85.7 kB
  • After compression 84.7 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.

Requests Breakdown

Number of requests can be reduced by 6 (40%)

Requests Now

15

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rainbow Optometry. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rainbowoptometry.com accessibility score

96

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

Best Practices

rainbowoptometry.com 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

rainbowoptometry.com SEO score

92

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

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