Tools & Wizards About Us
instcal.com screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

instcal.com

Roanoke| OnSite| Instrument Calibration & Technical Services

Page Load Speed

1.4 sec in total

First Response

61 ms

Resources Loaded

1.3 sec

Page Rendered

71 ms

instcal.com screenshot

About Website

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

Instrument Calibration & Technical Services is a locally owned and operated calibration lab. We perform on site and in lab accredited calibrations.

Visit instcal.com

Key Findings

We analyzed Instcal.com page load time and found that the first response time was 61 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

instcal.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.07

96/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

www.instcal.com

61 ms

originTrials.41d7301a.bundle.min.js

45 ms

minified.js

46 ms

focus-within-polyfill.js

100 ms

polyfill.min.js

285 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Instcal.com, 33% (14 requests) were made to Static.parastorage.com and 29% (12 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (850 ms) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 479.8 kB (55%)

Content Size

867.9 kB

After Optimization

388.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Instcal.com main page is 867.9 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. 30% of websites need less resources to load. HTML takes 596.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 473.5 kB

  • Original 596.6 kB
  • After minification 595.1 kB
  • After compression 123.1 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 473.5 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 3.4 kB

  • Original 46.8 kB
  • After minification 43.3 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. Instcal images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.8 kB

  • Original 224.5 kB
  • After minification 224.5 kB
  • After compression 221.7 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.

Requests Breakdown

Number of requests can be reduced by 11 (39%)

Requests Now

28

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Instcal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.instcal.com

www.instcal.com

61 ms

originTrials.41d7301a.bundle.min.js

originTrials.41d7301a.bundle.min.js

45 ms

minified.js

minified.js

46 ms

focus-within-polyfill.js

focus-within-polyfill.js

100 ms

polyfill.min.js

polyfill.min.js

285 ms

thunderbolt-commons.eb770ee8.bundle.min.js

thunderbolt-commons.eb770ee8.bundle.min.js

92 ms

main.578f27a3.bundle.min.js

main.578f27a3.bundle.min.js

85 ms

lodash.min.js

lodash.min.js

85 ms

react.production.min.js

react.production.min.js

89 ms

react-dom.production.min.js

react-dom.production.min.js

91 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

88 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

90 ms

f0d4e4_c1850c6e0b9dd85f089e0f8fbcf3ba33.png

f0d4e4_c1850c6e0b9dd85f089e0f8fbcf3ba33.png

418 ms

f0d4e4_5f1c85eb2f5047f9a5c22ddc3c3ff9da~mv2.gif

f0d4e4_5f1c85eb2f5047f9a5c22ddc3c3ff9da~mv2.gif

421 ms

f0d4e4_ab176d3af7e53e3438d93b0b5c5573d9.gif

f0d4e4_ab176d3af7e53e3438d93b0b5c5573d9.gif

423 ms

11062b_fae1d456c92348a599ffb230a447bd1cf000.jpg

11062b_fae1d456c92348a599ffb230a447bd1cf000.jpg

630 ms

3c8a6e1dd6af43d5a82f419cf6b9e462.jpg

3c8a6e1dd6af43d5a82f419cf6b9e462.jpg

519 ms

DRB04038.jpg

DRB04038.jpg

631 ms

f0d4e4_b9ae09a9796548c097f5e0323f38c24e~mv2_d_4272_2848_s_4_2.jpg

f0d4e4_b9ae09a9796548c097f5e0323f38c24e~mv2_d_4272_2848_s_4_2.jpg

768 ms

f0d4e4_57fbb9e36ecc4b8ab29deb98e03c55fc~mv2_d_4272_2848_s_4_2.jpg

f0d4e4_57fbb9e36ecc4b8ab29deb98e03c55fc~mv2_d_4272_2848_s_4_2.jpg

762 ms

f0d4e4_c7d4134c1a0743fb9b486769bce3b36f~mv2_d_4272_2848_s_4_2.jpg

f0d4e4_c7d4134c1a0743fb9b486769bce3b36f~mv2_d_4272_2848_s_4_2.jpg

692 ms

f0d4e4_1a835cd77ee646b7a417182f720cb386~mv2_d_4272_2848_s_4_2.jpg

f0d4e4_1a835cd77ee646b7a417182f720cb386~mv2_d_4272_2848_s_4_2.jpg

800 ms

f0d4e4_522503477f594230ba01e1234a7c326d~mv2.png

f0d4e4_522503477f594230ba01e1234a7c326d~mv2.png

850 ms

f0d4e4_96983d2be8e44a439c7a6d7dfc3f572d~mv2.png

f0d4e4_96983d2be8e44a439c7a6d7dfc3f572d~mv2.png

828 ms

bundle.min.js

bundle.min.js

73 ms

388ef902-2c31-4818-abb1-a40dcd81f6d6.woff

388ef902-2c31-4818-abb1-a40dcd81f6d6.woff

43 ms

128 ms

130 ms

125 ms

120 ms

121 ms

121 ms

165 ms

162 ms

158 ms

163 ms

155 ms

153 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

18 ms

deprecation-style.v5.css

deprecation-style.v5.css

7 ms

right-arrow.svg

right-arrow.svg

6 ms

Accessibility Review

instcal.com accessibility score

90

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

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

Best Practices

instcal.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Page has valid source maps

SEO Factors

instcal.com SEO score

97

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

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 Instcal.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 Instcal.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

instcal.com

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