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envisionboulder.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

envisionboulder.com

Optometrists in Boulder, CO | Envision Boulder

Page Load Speed

4.1 sec in total

First Response

133 ms

Resources Loaded

2.5 sec

Page Rendered

1.5 sec

envisionboulder.com screenshot

About Website

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

Trusted Optometrists in Boulder, CO. Envision Boulder offers custom eye care with high-quality eyewear. Schedule an eye exam, call .

Visit envisionboulder.com

Key Findings

We analyzed Envisionboulder.com page load time and found that the first response time was 133 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

envisionboulder.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value26.8 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value1,180 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value17.1 s

4/100

10%

Network Requests Diagram

envisionboulder.com

133 ms

envisionboulder.com

264 ms

www.envisionboulder.com

804 ms

all.min.css

53 ms

bootstrap.min.css

145 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 32% of them (35 requests) were addressed to the original Envisionboulder.com, 42% (46 requests) were made to Static.royacdn.com and 5% (6 requests) were made to S3.amazonaws.com. The less responsive or slowest element that took the longest time to load (804 ms) belongs to the original domain Envisionboulder.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 121.5 kB (14%)

Content Size

852.8 kB

After Optimization

731.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Envisionboulder.com main page is 852.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 699.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 108.6 kB

  • Original 141.5 kB
  • After minification 141.5 kB
  • After compression 32.9 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 108.6 kB or 77% of the original size.

Image Optimization

-14%

Potential reduce by 41 B

  • Original 296 B
  • After minification 255 B

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. Obviously, Envision Boulder needs image optimization as it can save up to 41 B or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 12.8 kB

  • Original 699.5 kB
  • After minification 699.5 kB
  • After compression 686.7 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.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 11.5 kB
  • After minification 11.5 kB
  • After compression 11.5 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. Envisionboulder.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 44 (88%)

Requests Now

50

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Envision Boulder. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

envisionboulder.com

envisionboulder.com

133 ms

envisionboulder.com

envisionboulder.com

264 ms

www.envisionboulder.com

www.envisionboulder.com

804 ms

all.min.css

all.min.css

53 ms

bootstrap.min.css

bootstrap.min.css

145 ms

common-global.css

common-global.css

203 ms

site-overrides.css

site-overrides.css

207 ms

WebPage-e1b341ba-eb9a-4bd8-bb1c-be276fa3b9bd.css

WebPage-e1b341ba-eb9a-4bd8-bb1c-be276fa3b9bd.css

288 ms

all.css

all.css

55 ms

font-awesome.min.css

font-awesome.min.css

44 ms

css

css

49 ms

css

css

69 ms

dependencies.css

dependencies.css

308 ms

slick.css

slick.css

36 ms

default.css

default.css

212 ms

site.css

site.css

233 ms

header-style-11.css

header-style-11.css

270 ms

color_scheme_1.css

color_scheme_1.css

274 ms

homepage-slider.css

homepage-slider.css

279 ms

homepage-cta.css

homepage-cta.css

301 ms

welcome.css

welcome.css

338 ms

homepage-welcome-style-7.css

homepage-welcome-style-7.css

341 ms

homepage-services.css

homepage-services.css

346 ms

homepage-services-style-5.css

homepage-services-style-5.css

354 ms

homepage-team-style-3.css

homepage-team-style-3.css

369 ms

brand-and-insurance.css

brand-and-insurance.css

377 ms

homepage-appointment-style-2.css

homepage-appointment-style-2.css

406 ms

homepage-testimonial-style-3.css

homepage-testimonial-style-3.css

410 ms

footer-2.css

footer-2.css

414 ms

updates-css.css

updates-css.css

421 ms

widget.js

widget.js

173 ms

common.js

common.js

456 ms

touchswipe.min.js

touchswipe.min.js

446 ms

jquery-ui.js

jquery-ui.js

597 ms

datePickerWidget.js

datePickerWidget.js

456 ms

homepage-meet-the-team-style2.js

homepage-meet-the-team-style2.js

455 ms

js

js

30 ms

dependencies.js

dependencies.js

684 ms

js

js

69 ms

slick.min.js

slick.min.js

14 ms

main.js

main.js

461 ms

menu.js

menu.js

534 ms

api.js

api.js

40 ms

brands.js

brands.js

534 ms

homepage-testimonial-style-3.js

homepage-testimonial-style-3.js

534 ms

EnvisionBoulder_Web.jpg

EnvisionBoulder_Web.jpg

200 ms

bg_meet_our_team.jpg

bg_meet_our_team.jpg

159 ms

line_img.png

line_img.png

387 ms

black_marble_leather_texture.jpg

black_marble_leather_texture.jpg

219 ms

rev_shadow.png

rev_shadow.png

119 ms

brand-and-insurance.css

brand-and-insurance.css

139 ms

Envision_MapHill_6_1_.jpg

Envision_MapHill_6_1_.jpg

358 ms

Envision_MapHill_82_1_.jpg

Envision_MapHill_82_1_.jpg

313 ms

Envision_MapHill_84_1_.jpg

Envision_MapHill_84_1_.jpg

473 ms

geometric_blue.png

geometric_blue.png

318 ms

comprehensive_eye_exam.jpg

comprehensive_eye_exam.jpg

306 ms

dry_eye.jpg

dry_eye.jpg

305 ms

rectangle_myopia_mgmt.png

rectangle_myopia_mgmt.png

386 ms

Contact_Lenses.png

Contact_Lenses.png

384 ms

Jeff.jpeg

Jeff.jpeg

418 ms

Dr_Jean.jpeg

Dr_Jean.jpeg

408 ms

Envision_MapHill_73.jpg

Envision_MapHill_73.jpg

422 ms

285_anne_et_valentin.png

285_anne_et_valentin.png

483 ms

Anne_Valentin_blk.png

Anne_Valentin_blk.png

478 ms

27_masunaga.png

27_masunaga.png

466 ms

27_masunaga_logo.png

27_masunaga_logo.png

482 ms

286_theo.png

286_theo.png

481 ms

theo.png

theo.png

520 ms

84_matsuda.png

84_matsuda.png

524 ms

81_matsuda_logo.png

81_matsuda_logo.png

513 ms

287_lunor.png

287_lunor.png

568 ms

Katherine_Miller_lunor.png

Katherine_Miller_lunor.png

536 ms

288_kamemannen.png

288_kamemannen.png

576 ms

kamemannen_ogblk.png

kamemannen_ogblk.png

586 ms

290_blake_kuwahara.png

290_blake_kuwahara.png

570 ms

blakekuwahara_blk.png

blakekuwahara_blk.png

616 ms

289_bevel.png

289_bevel.png

592 ms

bevel.png

bevel.png

651 ms

5_mauijim.png

5_mauijim.png

678 ms

5_MauiJim_logo.png

5_MauiJim_logo.png

622 ms

283_kala.png

283_kala.png

649 ms

290_kala.png

290_kala.png

642 ms

467_onirico.png

467_onirico.png

702 ms

onirico.png

onirico.png

682 ms

468_giorgio_nannini.png

468_giorgio_nannini.png

676 ms

giorgio_nannini.png

giorgio_nannini.png

734 ms

font

font

89 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

46 ms

fa-v4compatibility.ttf

fa-v4compatibility.ttf

23 ms

fa-regular-400.ttf

fa-regular-400.ttf

69 ms

fa-brands-400.ttf

fa-brands-400.ttf

70 ms

fa-solid-900.ttf

fa-solid-900.ttf

88 ms

Satoshi_Regular.woff

Satoshi_Regular.woff

92 ms

Satoshi_Light.woff

Satoshi_Light.woff

125 ms

Satoshi_Bold.woff

Satoshi_Bold.woff

88 ms

84_matsuda_glasses.png

84_matsuda_glasses.png

510 ms

analytics.js

analytics.js

19 ms

recaptcha__en.js

recaptcha__en.js

29 ms

widget_app_1726651421361.js

widget_app_1726651421361.js

22 ms

5_mauijim_glasses.png

5_mauijim_glasses.png

436 ms

284_garrett_leight.png

284_garrett_leight.png

409 ms

291_garrett_leight.png

291_garrett_leight.png

433 ms

Envision_MapHill_69.png

Envision_MapHill_69.png

540 ms

sSEkA4Kkqq

sSEkA4Kkqq

333 ms

Envision_MapHill_103.png

Envision_MapHill_103.png

419 ms

Envision_MapHill_31.png

Envision_MapHill_31.png

409 ms

Envision_MapHill_59.png

Envision_MapHill_59.png

469 ms

Envision_MapHill_57e.jpg

Envision_MapHill_57e.jpg

409 ms

Roya_logo.png

Roya_logo.png

378 ms

en-US.json

en-US.json

7 ms

Accessibility Review

envisionboulder.com accessibility score

77

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

envisionboulder.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

envisionboulder.com SEO score

79

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

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 Envisionboulder.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 Envisionboulder.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

envisionboulder.com

Open Graph description is not detected on the main page of Envision Boulder. 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: