Tools & Wizards About Us
spivack.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

spivack.com

Omni Eye Specialists | Comprehensive Eye Care | Denver

Page Load Speed

2.9 sec in total

First Response

145 ms

Resources Loaded

1.7 sec

Page Rendered

1.1 sec

spivack.com screenshot

About Website

Click here to check amazing Spivack content. Otherwise, check out these important facts you probably never knew about spivack.com

Our eye care services cover everything from eye exams to clear lens exchange, LASIK, and cataract surgery. Schedule your appointment today.

Visit spivack.com

Key Findings

We analyzed Spivack.com page load time and found that the first response time was 145 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

spivack.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value1,350 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

spivack.com

145 ms

www.omnieye.com

745 ms

gtm.js

79 ms

autoptimize_91558a46baca30a90ea43e5a6999a372.css

190 ms

jquery-3.5.1.min.js

30 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Spivack.com, 43% (20 requests) were made to Omnieye.com and 15% (7 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (745 ms) relates to the external source Omnieye.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.1 kB (9%)

Content Size

1.1 MB

After Optimization

967.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spivack.com main page is 1.1 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. 35% of websites need less resources to load. Images take 750.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 87.9 kB

  • Original 103.6 kB
  • After minification 103.3 kB
  • After compression 15.7 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 87.9 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 354 B

  • Original 750.2 kB
  • After minification 749.9 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. Spivack images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 5.1 kB

  • Original 170.7 kB
  • After minification 170.7 kB
  • After compression 165.6 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

-16%

Potential reduce by 6.6 kB

  • Original 42.7 kB
  • After minification 42.7 kB
  • After compression 36.1 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. Spivack.com needs all CSS files to be minified and compressed as it can save up to 6.6 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (46%)

Requests Now

37

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spivack. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

spivack.com

spivack.com

145 ms

www.omnieye.com

www.omnieye.com

745 ms

gtm.js

gtm.js

79 ms

autoptimize_91558a46baca30a90ea43e5a6999a372.css

autoptimize_91558a46baca30a90ea43e5a6999a372.css

190 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

30 ms

lazysizes.min.js

lazysizes.min.js

188 ms

micromodal.min.js

micromodal.min.js

61 ms

webfont.js

webfont.js

39 ms

autoptimize_single_9877e9f3f8b2e9fadf1a3fa35ea4d4d2.js

autoptimize_single_9877e9f3f8b2e9fadf1a3fa35ea4d4d2.js

327 ms

autoptimize_cbf3ca914e0cd3aa6694cb5c6b43c54d.js

autoptimize_cbf3ca914e0cd3aa6694cb5c6b43c54d.js

333 ms

micromodal.min.js

micromodal.min.js

23 ms

embed

embed

317 ms

embed

embed

347 ms

embed

embed

348 ms

embed

embed

395 ms

embed

embed

419 ms

embed

embed

404 ms

embed

embed

469 ms

widget.js

widget.js

273 ms

css

css

181 ms

search_icon_1search_icon.png

search_icon_1search_icon.png

151 ms

hero-img.jpg

hero-img.jpg

391 ms

portal-icon_1portal-icon.png

portal-icon_1portal-icon.png

262 ms

pay-online-icon_1pay-online-icon.png

pay-online-icon_1pay-online-icon.png

261 ms

appointment-icon_1appointment-icon.png

appointment-icon_1appointment-icon.png

261 ms

locations-icon-black_1locations-icon-black.png

locations-icon-black_1locations-icon-black.png

358 ms

phone-icon_1phone-icon.png

phone-icon_1phone-icon.png

358 ms

cataract-test-img.jpg

cataract-test-img.jpg

450 ms

appointment-img.jpg

appointment-img.jpg

454 ms

lenses-img.jpg

lenses-img.jpg

447 ms

lasik-test-img.jpg

lasik-test-img.jpg

513 ms

advanced-tech-callout.jpg

advanced-tech-callout.jpg

575 ms

bg-img2.jpg

bg-img2.jpg

455 ms

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

0 ms

logo-white.svg

logo-white.svg

368 ms

facebook-dark.png

facebook-dark.png

371 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

20 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

31 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

65 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

100 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

100 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC73w5aX8.ttf

100 ms

widget_app_base_1724056634836.js

widget_app_base_1724056634836.js

52 ms

js

js

91 ms

search.js

search.js

4 ms

geometry.js

geometry.js

7 ms

main.js

main.js

13 ms

Accessibility Review

spivack.com accessibility score

98

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.

Best Practices

spivack.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

SEO Factors

spivack.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

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 Spivack.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 Spivack.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

spivack.com

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