Tools & Wizards About Us
tvi-i.com screenshot

Report Summary

  • 85

    Performance

    Renders faster than
    89% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

tvi-i.com

Texas Valves & Instruments, LLC. | Gas Sampling Cylinders and Valves, Robert Shaw Agragage Gauges, Switches, Weston Thermometers

Page Load Speed

1.6 sec in total

First Response

238 ms

Resources Loaded

701 ms

Page Rendered

615 ms

tvi-i.com screenshot

About Website

Welcome to tvi-i.com homepage info - get ready to check Tvi I best content right away, or after learning these important things about tvi-i.com

Silonite Mini Sampling Valves, Carbon and Stainless Steel Valves, Robert Shaw Agragage Gauges, Thermometers, Switches, Sampling Cylinders, Gas Testing, Fitting and Detection Equipment, Manifolds - Cal...

Visit tvi-i.com

Key Findings

We analyzed Tvi-i.com page load time and found that the first response time was 238 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

tvi-i.com performance score

85

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

96/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

tvi-i.com

238 ms

p7PM3scripts.js

66 ms

p7affinity-3.css

89 ms

css

88 ms

p7PM3-15.css

118 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 77% of them (17 requests) were addressed to the original Tvi-i.com, 9% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (267 ms) belongs to the original domain Tvi-i.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.8 kB (33%)

Content Size

173.7 kB

After Optimization

115.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tvi-i.com main page is 173.7 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. 20% of websites need less resources to load. Images take 74.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 22.7 kB

  • Original 28.3 kB
  • After minification 24.4 kB
  • After compression 5.6 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. This page needs HTML code to be minified as it can gain 3.9 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 22.7 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 209 B

  • Original 74.8 kB
  • After minification 74.5 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. Tvi I images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 33.2 kB

  • Original 62.1 kB
  • After minification 62.1 kB
  • After compression 28.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 33.2 kB or 53% of the original size.

CSS Optimization

-20%

Potential reduce by 1.7 kB

  • Original 8.5 kB
  • After minification 8.5 kB
  • After compression 6.8 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. Tvi-i.com needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (15%)

Requests Now

20

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tvi I. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tvi-i.com

tvi-i.com

238 ms

p7PM3scripts.js

p7PM3scripts.js

66 ms

p7affinity-3.css

p7affinity-3.css

89 ms

css

css

88 ms

p7PM3-15.css

p7PM3-15.css

118 ms

p7PM3-09.css

p7PM3-09.css

120 ms

tvi-sm.jpg

tvi-sm.jpg

58 ms

acragage_sm.gif

acragage_sm.gif

59 ms

levelac_sm.gif

levelac_sm.gif

59 ms

weston_sm.gif

weston_sm.gif

59 ms

analytics.js

analytics.js

7 ms

bkgnd-design-dark-g.png

bkgnd-design-dark-g.png

115 ms

group10.jpg

group10.jpg

116 ms

detec-cover-sm.jpg

detec-cover-sm.jpg

267 ms

tvi-cover.jpg

tvi-cover.jpg

161 ms

collect

collect

49 ms

ieVl2ZhZI2eCN5jzbjEETS9weq8-19K7CA.ttf

ieVl2ZhZI2eCN5jzbjEETS9weq8-19K7CA.ttf

44 ms

collect

collect

53 ms

acragage_sm_over.gif

acragage_sm_over.gif

40 ms

levelac_sm_over.gif

levelac_sm_over.gif

42 ms

weston_sm_over.gif

weston_sm_over.gif

46 ms

pmm3-right-dark.gif

pmm3-right-dark.gif

47 ms

Accessibility Review

tvi-i.com accessibility score

90

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

tvi-i.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

Serves images with low resolution

SEO Factors

tvi-i.com SEO score

98

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 Tvi-i.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 Tvi-i.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

tvi-i.com

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