Tools & Wizards About Us
keelerusa.com screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

keelerusa.com

Keeler - a Halma company

Page Load Speed

1.3 sec in total

First Response

163 ms

Resources Loaded

815 ms

Page Rendered

336 ms

keelerusa.com screenshot

About Website

Visit keelerusa.com now to see the best up-to-date Keeler Usa content for United States and also check out these interesting facts you probably never knew about keelerusa.com

Keeler is a leader in the optometry and ophthalmic supplies & equipment industry. We carry a wide variety of products, including clinical supplies, binocular indirect ophthalmoscopes, diagnostic hand ...

Visit keelerusa.com

Key Findings

We analyzed Keelerusa.com page load time and found that the first response time was 163 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

keelerusa.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value1,960 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.334

34/100

15%

TTI (Time to Interactive)

Value26.9 s

0/100

10%

Network Requests Diagram

keelerusa.com

163 ms

www.keelerusa.com

327 ms

shading.jpg

109 ms

index_01.png

283 ms

index_02.png

318 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Keelerusa.com and no external sources were called. The less responsive or slowest element that took the longest time to load (327 ms) belongs to the original domain Keelerusa.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.1 kB (4%)

Content Size

344.3 kB

After Optimization

329.1 kB

  • HTML
  • Images

In fact, the total size of Keelerusa.com main page is 344.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 342.7 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 926 B

  • Original 1.6 kB
  • After minification 1.5 kB
  • After compression 633 B

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 926 B or 59% of the original size.

Image Optimization

-4%

Potential reduce by 14.2 kB

  • Original 342.7 kB
  • After minification 328.5 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. Keeler Usa images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • Images

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keeler Usa. According to our analytics all requests are already optimized.

Network Requests Diagram

keelerusa.com

keelerusa.com

163 ms

www.keelerusa.com

www.keelerusa.com

327 ms

shading.jpg

shading.jpg

109 ms

index_01.png

index_01.png

283 ms

index_02.png

index_02.png

318 ms

index_03.png

index_03.png

278 ms

index_04.png

index_04.png

326 ms

Accessibility Review

keelerusa.com accessibility score

89

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

Links do not have a discernible name

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

keelerusa.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

Page has valid source maps

SEO Factors

keelerusa.com SEO score

90

Search Engine Optimization Advices

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Keelerusa.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Keelerusa.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

keelerusa.com

Open Graph description is not detected on the main page of Keeler Usa. 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: