Tools & Wizards About Us
retinaboston.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

retinaboston.com

Retina consultants of Boston preserving the gift of sight

Page Load Speed

2.2 sec in total

First Response

140 ms

Resources Loaded

1.8 sec

Page Rendered

280 ms

retinaboston.com screenshot

About Website

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

Retinaboston.com provides best in class surgical and medical retina treatments in ten locations across greater Boston. We are specialized in the treatment of diseases affecting the vitreous, macula an...

Visit retinaboston.com

Key Findings

We analyzed Retinaboston.com page load time and found that the first response time was 140 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 40% of websites can load faster.

Performance Metrics

retinaboston.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.299

40/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

retinaboston.com

140 ms

retinaboston.com

25 ms

bootstrap.min.css

268 ms

custom-style.css

227 ms

jquery.min.js

262 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Retinaboston.com, 82% (56 requests) were made to Yxz432.p3cdn1.secureserver.net and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (833 ms) relates to the external source Yxz432.p3cdn1.secureserver.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 79.2 kB (4%)

Content Size

2.1 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Retinaboston.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. 45% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 54.6 kB

  • Original 68.1 kB
  • After minification 65.1 kB
  • After compression 13.6 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 54.6 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 13.0 kB

  • Original 1.7 MB
  • After minification 1.7 MB

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. Retina Boston images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.2 kB

  • Original 217.4 kB
  • After minification 217.4 kB
  • After compression 211.2 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 5.4 kB

  • Original 115.9 kB
  • After minification 115.3 kB
  • After compression 110.4 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. Retinaboston.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 40 (71%)

Requests Now

56

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Retina 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 17 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

retinaboston.com

retinaboston.com

140 ms

retinaboston.com

retinaboston.com

25 ms

bootstrap.min.css

bootstrap.min.css

268 ms

custom-style.css

custom-style.css

227 ms

jquery.min.js

jquery.min.js

262 ms

bootstrap.min.js

bootstrap.min.js

214 ms

font-awesome.min.css

font-awesome.min.css

213 ms

js

js

53 ms

mislider.css

mislider.css

219 ms

mislider.js

mislider.js

312 ms

style.min.css

style.min.css

360 ms

style.css

style.css

318 ms

style.css

style.css

312 ms

style.css

style.css

450 ms

style.css

style.css

368 ms

style.css

style.css

406 ms

style.css

style.css

517 ms

easy-wp-pagenavigation.css

easy-wp-pagenavigation.css

400 ms

frontend.css

frontend.css

441 ms

css

css

37 ms

genericons.css

genericons.css

491 ms

bootstrap.custom.css

bootstrap.custom.css

483 ms

bootstrap.submenu.css

bootstrap.submenu.css

682 ms

jquery.min.js

jquery.min.js

610 ms

jquery-migrate.min.js

jquery-migrate.min.js

495 ms

jquery.fitvids.min.js

jquery.fitvids.min.js

601 ms

frontend.min.js

frontend.min.js

568 ms

bootstrap.custom.js

bootstrap.custom.js

576 ms

easy-testimonials-reveal.js

easy-testimonials-reveal.js

597 ms

run_prettify.js

run_prettify.js

130 ms

jquery.bxslider.css

jquery.bxslider.css

645 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

652 ms

functions.js

functions.js

765 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

678 ms

jquery.bxslider.js

jquery.bxslider.js

772 ms

bxslider.setup.js

bxslider.setup.js

772 ms

css

css

15 ms

analytics.js

analytics.js

89 ms

retina-logo.jpg

retina-logo.jpg

233 ms

menuBg.jpg

menuBg.jpg

143 ms

menuLine.jpg

menuLine.jpg

161 ms

dropdown.jpg

dropdown.jpg

142 ms

banner3.jpg

banner3.jpg

446 ms

banner21.jpg

banner21.jpg

420 ms

banner-rcb-reception.jpg

banner-rcb-reception.jpg

522 ms

Patient-Gateway.jpg

Patient-Gateway.jpg

448 ms

bullet1.png

bullet1.png

237 ms

Nevus.jpg

Nevus.jpg

487 ms

Image-1.jpg

Image-1.jpg

481 ms

user1.jpg

user1.jpg

505 ms

user2.jpg

user2.jpg

524 ms

user4.jpg

user4.jpg

536 ms

location.png

location.png

569 ms

footerBg.png

footerBg.png

769 ms

bullet.png

bullet.png

582 ms

footerLink.jpg

footerLink.jpg

614 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3qOK7g.ttf

40 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3i54rwlxdr.ttf

41 ms

SourceSansPro-Bold-webfont.woff

SourceSansPro-Bold-webfont.woff

601 ms

SourceSansPro-Semibold-webfont.woff

SourceSansPro-Semibold-webfont.woff

637 ms

SourceSansPro-Regular-webfont.woff

SourceSansPro-Regular-webfont.woff

669 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

701 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

789 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

833 ms

collect

collect

15 ms

js

js

96 ms

line.jpg

line.jpg

213 ms

6xKwdSBYKcSV-LCoeQqfX1RYOo3qPZZMkids18E.ttf

6xKwdSBYKcSV-LCoeQqfX1RYOo3qPZZMkids18E.ttf

5 ms

Accessibility Review

retinaboston.com accessibility score

72

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

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Image elements do not have [alt] attributes

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

retinaboston.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

retinaboston.com SEO score

75

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

High

Image elements do not have [alt] attributes

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 Retinaboston.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 Retinaboston.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

retinaboston.com

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