Tools & Wizards About Us
invisionboston.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

invisionboston.com

Eye Exams | Eye Care | Eye Doctor in Malden MA US | In Vision Boston

Page Load Speed

2.2 sec in total

First Response

109 ms

Resources Loaded

1.8 sec

Page Rendered

309 ms

invisionboston.com screenshot

About Website

Click here to check amazing In Vision Boston content. Otherwise, check out these important facts you probably never knew about invisionboston.com

Eye Doctor | Eye Exams | Eye Wear | Contact Lens | Scleral | Orthokeratology | Corneal Refractive Therapy | Dry Eye Center Vision Care Doctor We offer comprehensive eye vision care at In Vision Boston...

Visit invisionboston.com

Key Findings

We analyzed Invisionboston.com page load time and found that the first response time was 109 ms and then it took 2.1 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

invisionboston.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value1,960 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

www.invisionboston.com

109 ms

minified.js

32 ms

focus-within-polyfill.js

31 ms

polyfill.min.js

1446 ms

thunderbolt-commons.b70ee867.bundle.min.js

50 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Invisionboston.com, 63% (20 requests) were made to Static.wixstatic.com and 28% (9 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 975.8 kB (47%)

Content Size

2.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Invisionboston.com main page is 2.1 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. 40% of websites need less resources to load. HTML takes 909.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 746.2 kB

  • Original 909.7 kB
  • After minification 907.7 kB
  • After compression 163.4 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 746.2 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 670.7 kB
  • After minification 670.7 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. In Vision Boston images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 229.6 kB

  • Original 485.8 kB
  • After minification 485.8 kB
  • After compression 256.3 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 229.6 kB or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (32%)

Requests Now

31

After Optimization

21

  • Images
  • JavaScript

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of In Vision Boston. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.invisionboston.com

www.invisionboston.com

109 ms

minified.js

minified.js

32 ms

focus-within-polyfill.js

focus-within-polyfill.js

31 ms

polyfill.min.js

polyfill.min.js

1446 ms

thunderbolt-commons.b70ee867.bundle.min.js

thunderbolt-commons.b70ee867.bundle.min.js

50 ms

main.317ed945.bundle.min.js

main.317ed945.bundle.min.js

50 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

47 ms

lodash.min.js

lodash.min.js

52 ms

react.production.min.js

react.production.min.js

52 ms

react-dom.production.min.js

react-dom.production.min.js

54 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

50 ms

IVBLOGO1.jpg

IVBLOGO1.jpg

132 ms

4eeb03edc1f545bd8f9e7e9809306e08.jpg

4eeb03edc1f545bd8f9e7e9809306e08.jpg

142 ms

f1991311e0c76c2997d20c2894056016.jpg

f1991311e0c76c2997d20c2894056016.jpg

141 ms

0f32f940131c4c36a4148d635242f8cd.jpg

0f32f940131c4c36a4148d635242f8cd.jpg

142 ms

7cd043de7c2f46a7ad664c021251a5c2.jpg

7cd043de7c2f46a7ad664c021251a5c2.jpg

141 ms

9169c1_2951cfb0512c4ba9858d1c5ec69988bb~mv2.jpg

9169c1_2951cfb0512c4ba9858d1c5ec69988bb~mv2.jpg

141 ms

5eb04f6e655d4d8ba38cc023eec20661.jpg

5eb04f6e655d4d8ba38cc023eec20661.jpg

142 ms

eb1c899bb05f4fb28217b1794696f3d4.jpg

eb1c899bb05f4fb28217b1794696f3d4.jpg

149 ms

94e9cb936c9f402d838951c832d13099.jpg

94e9cb936c9f402d838951c832d13099.jpg

148 ms

9169c1_5459ba55209b4b3f87ee700a847284c5~mv2.jpg

9169c1_5459ba55209b4b3f87ee700a847284c5~mv2.jpg

148 ms

c5ce5e9e545f4f8782b4a22decd68d0d.jpg

c5ce5e9e545f4f8782b4a22decd68d0d.jpg

146 ms

bbb83575ebe4463eadc257373a73ff06.jpg

bbb83575ebe4463eadc257373a73ff06.jpg

148 ms

0f32f940131c4c36a4148d635242f8cd.jpg

0f32f940131c4c36a4148d635242f8cd.jpg

147 ms

673bb66529a34c93b20ff0cfeb96e591.jpg

673bb66529a34c93b20ff0cfeb96e591.jpg

152 ms

a9be5958fca94a2fa7d371fa80cfc774.jpg

a9be5958fca94a2fa7d371fa80cfc774.jpg

152 ms

4eeb03edc1f545bd8f9e7e9809306e08.jpg

4eeb03edc1f545bd8f9e7e9809306e08.jpg

151 ms

7b26da5a90604974af2b472d77163d1f.jpg

7b26da5a90604974af2b472d77163d1f.jpg

151 ms

Young%20Girl.jpg

Young%20Girl.jpg

154 ms

Eye%20Test.jpg

Eye%20Test.jpg

153 ms

Couple%20in%20Shades.jpg

Couple%20in%20Shades.jpg

153 ms

bundle.min.js

bundle.min.js

82 ms

Accessibility Review

invisionboston.com accessibility score

94

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

button, link, and menuitem elements do not have accessible names.

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.

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

invisionboston.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

Page has valid source maps

SEO Factors

invisionboston.com SEO score

99

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

invisionboston.com

Open Graph data is detected on the main page of In Vision Boston. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: