Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

thunderscientific.com

Thunder Scientific - Humidity Calibration and Generation, NIST Standards. - Thunder Scientific - Humidity Generators

Page Load Speed

1.6 sec in total

First Response

209 ms

Resources Loaded

1.1 sec

Page Rendered

280 ms

thunderscientific.com screenshot

About Website

Click here to check amazing Thunder Scientific content for United States. Otherwise, check out these important facts you probably never knew about thunderscientific.com

Thunder Scientific is a manufacturer of NIST-proven, two-pressure humidity calibration systems and offers a full line of humidity generation equipment, software, and accessories for over 55 years.

Visit thunderscientific.com

Key Findings

We analyzed Thunderscientific.com page load time and found that the first response time was 209 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 25% of websites can load faster.

Performance Metrics

thunderscientific.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

thunderscientific.com

209 ms

redirect.js

21 ms

thunderhome.css

60 ms

mm_menu.js

121 ms

thunder.js

114 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 96% of them (75 requests) were addressed to the original Thunderscientific.com, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Detect.deviceatlas.com. The less responsive or slowest element that took the longest time to load (424 ms) belongs to the original domain Thunderscientific.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 94.7 kB (47%)

Content Size

202.4 kB

After Optimization

107.7 kB

In fact, the total size of Thunderscientific.com main page is 202.4 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. 25% of websites need less resources to load. Images take 75.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 48.5 kB

  • Original 56.1 kB
  • After minification 52.8 kB
  • After compression 7.7 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 48.5 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 2.7 kB

  • Original 75.7 kB
  • After minification 73.0 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. Thunder Scientific images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 36.8 kB

  • Original 62.3 kB
  • After minification 55.0 kB
  • After compression 25.5 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 36.8 kB or 59% of the original size.

CSS Optimization

-82%

Potential reduce by 6.7 kB

  • Original 8.2 kB
  • After minification 6.4 kB
  • After compression 1.5 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. Thunderscientific.com needs all CSS files to be minified and compressed as it can save up to 6.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (65%)

Requests Now

75

After Optimization

26

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Thunder Scientific. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

thunderscientific.com accessibility score

63

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

Best Practices

thunderscientific.com best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

thunderscientific.com SEO score

69

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

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 Thunderscientific.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 Thunderscientific.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

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