Tools & Wizards About Us
bristolinstruments.com screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

bristolinstruments.com

Bristol Instruments | panel meters | pressure transducers | signal conditioners

Page Load Speed

801 ms in total

First Response

87 ms

Resources Loaded

614 ms

Page Rendered

100 ms

bristolinstruments.com screenshot

About Website

Visit bristolinstruments.com now to see the best up-to-date Bristol Instruments content and also check out these interesting facts you probably never knew about bristolinstruments.com

Bristol Instruments sells and distributes panel meters, bar graph displays, led displays, DIN rail mounted signal conditioners and related products. We provide support for meters and instruments as we...

Visit bristolinstruments.com

Key Findings

We analyzed Bristolinstruments.com page load time and found that the first response time was 87 ms and then it took 714 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

bristolinstruments.com performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value470 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

bristolinstruments.com

87 ms

bristolinstruments.com

132 ms

consolidated.css

48 ms

stacks.css

69 ms

fa5pro.css

96 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 89% of them (33 requests) were addressed to the original Bristolinstruments.com, 8% (3 requests) were made to Rdcdn.com and 3% (1 request) were made to App-worker.visitor-analytics.io. The less responsive or slowest element that took the longest time to load (258 ms) relates to the external source App-worker.visitor-analytics.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 147.6 kB (11%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bristolinstruments.com main page is 1.4 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. 45% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 32.4 kB

  • Original 45.5 kB
  • After minification 43.7 kB
  • After compression 13.1 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 32.4 kB or 71% of the original size.

Image Optimization

-7%

Potential reduce by 72.3 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. Bristol Instruments images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 841 B

  • Original 136.8 kB
  • After minification 136.8 kB
  • After compression 135.9 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

-34%

Potential reduce by 42.0 kB

  • Original 125.0 kB
  • After minification 125.0 kB
  • After compression 83.0 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. Bristolinstruments.com needs all CSS files to be minified and compressed as it can save up to 42.0 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (45%)

Requests Now

31

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bristol Instruments. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bristolinstruments.com

bristolinstruments.com

87 ms

bristolinstruments.com

bristolinstruments.com

132 ms

consolidated.css

consolidated.css

48 ms

stacks.css

stacks.css

69 ms

fa5pro.css

fa5pro.css

96 ms

wysiwyg-content.css

wysiwyg-content.css

73 ms

animate3.min.css

animate3.min.css

70 ms

stacks_page_page0.css

stacks_page_page0.css

74 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

75 ms

wow.min.js

wow.min.js

91 ms

stacks_page_page0.js

stacks_page_page0.js

92 ms

utility.css

utility.css

92 ms

v4-shims.css

v4-shims.css

126 ms

what-input.min.js

what-input.min.js

133 ms

jquery.min.js

jquery.min.js

137 ms

foundation.js

foundation.js

152 ms

rt

rt

49 ms

image-12-AE0.png

image-12-AE0.png

42 ms

image-59.png

image-59.png

114 ms

image-61.png

image-61.png

69 ms

image-155.png

image-155.png

117 ms

image-163.png

image-163.png

83 ms

image-170.jpg

image-170.jpg

43 ms

image-234.png

image-234.png

114 ms

image-243.png

image-243.png

115 ms

image-674.jpg

image-674.jpg

115 ms

image-680.jpg

image-680.jpg

115 ms

image-604.jpg

image-604.jpg

116 ms

image-606.jpg

image-606.jpg

117 ms

image-608.jpg

image-608.jpg

117 ms

image-612.jpg

image-612.jpg

128 ms

main.js

main.js

258 ms

eow

eow

3 ms

blank.gif

blank.gif

20 ms

porsche.ttf.woff

porsche.ttf.woff

24 ms

fa-solid-900.woff

fa-solid-900.woff

47 ms

utility-extra.css

utility-extra.css

25 ms

Accessibility Review

bristolinstruments.com accessibility score

89

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

bristolinstruments.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bristolinstruments.com SEO score

72

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

Image elements do not have [alt] attributes

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 Bristolinstruments.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 Bristolinstruments.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

bristolinstruments.com

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