Tools & Wizards About Us

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

jloptical.com

Microscope Service and Sales: Your complete Florida Source

Page Load Speed

849 ms in total

First Response

100 ms

Resources Loaded

634 ms

Page Rendered

115 ms

About Website

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

Knowledgeable microscope sales, superior on-site service, and all accessories. Find solutions for all your Florida microscopic needs here: Olympus, Accu-Scope, Unitron and more!

Visit jloptical.com

Key Findings

We analyzed Jloptical.com page load time and found that the first response time was 100 ms and then it took 749 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

jloptical.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

48/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.69

7/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

jloptical.com

100 ms

269 ms

js

129 ms

styles.css

60 ms

jquery.min.js

28 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Jloptical.com, 75% (12 requests) were made to Secure28.securewebsession.com and 13% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (269 ms) relates to the external source Secure28.securewebsession.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.5 kB (12%)

Content Size

284.4 kB

After Optimization

248.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jloptical.com main page is 284.4 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. 15% of websites need less resources to load. Images take 182.7 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 5.2 kB

  • Original 7.9 kB
  • After minification 7.2 kB
  • After compression 2.7 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 5.2 kB or 65% of the original size.

Image Optimization

-16%

Potential reduce by 29.0 kB

  • Original 182.7 kB
  • After minification 153.6 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. Obviously, Jloptical needs image optimization as it can save up to 29.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 124 B

  • Original 88.7 kB
  • After minification 88.7 kB
  • After compression 88.6 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

-23%

Potential reduce by 1.2 kB

  • Original 5.1 kB
  • After minification 5.1 kB
  • After compression 3.9 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. Jloptical.com needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (29%)

Requests Now

14

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jloptical. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jloptical.com accessibility score

91

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.

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

jloptical.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jloptical.com SEO score

100

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

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 Jloptical.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 Jloptical.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

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