Tools & Wizards About Us
deltastructures.com screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

deltastructures.com

Delta Structures Space Frames

Page Load Speed

842 ms in total

First Response

158 ms

Resources Loaded

425 ms

Page Rendered

259 ms

deltastructures.com screenshot

About Website

Click here to check amazing Delta Structures content. Otherwise, check out these important facts you probably never knew about deltastructures.com

Delta Structures

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Key Findings

We analyzed Deltastructures.com page load time and found that the first response time was 158 ms and then it took 684 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

deltastructures.com performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

deltastructures.com

158 ms

jquery.min.js

8 ms

slimbox2.js

24 ms

slimbox2.css

46 ms

stmenu.js

48 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 93% of them (40 requests) were addressed to the original Deltastructures.com, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (208 ms) belongs to the original domain Deltastructures.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.8 kB (10%)

Content Size

788.6 kB

After Optimization

712.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deltastructures.com main page is 788.6 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. 35% of websites need less resources to load. Images take 696.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 22.4 kB

  • Original 27.2 kB
  • After minification 26.1 kB
  • After compression 4.8 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 22.4 kB or 82% of the original size.

Image Optimization

-8%

Potential reduce by 52.7 kB

  • Original 696.1 kB
  • After minification 643.5 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. Delta Structures images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 637 B

  • Original 64.7 kB
  • After minification 64.7 kB
  • After compression 64.1 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

-11%

Potential reduce by 60 B

  • Original 536 B
  • After minification 536 B
  • After compression 476 B

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. Deltastructures.com needs all CSS files to be minified and compressed as it can save up to 60 B or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (26%)

Requests Now

42

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta Structures. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

deltastructures.com

deltastructures.com

158 ms

jquery.min.js

jquery.min.js

8 ms

slimbox2.js

slimbox2.js

24 ms

slimbox2.css

slimbox2.css

46 ms

stmenu.js

stmenu.js

48 ms

stdom.js

stdom.js

27 ms

stinit.js

stinit.js

26 ms

bg-dlta.jpg

bg-dlta.jpg

84 ms

delta_header.jpg

delta_header.jpg

84 ms

flash_replacement.jpg

flash_replacement.jpg

91 ms

hz_menu.gif

hz_menu.gif

69 ms

hz_menu_01.jpg

hz_menu_01.jpg

69 ms

hz_menu_sepr.gif

hz_menu_sepr.gif

69 ms

hz_menu_03.jpg

hz_menu_03.jpg

84 ms

hz_menu_05.jpg

hz_menu_05.jpg

84 ms

hz_menu_07.jpg

hz_menu_07.jpg

85 ms

hz_menu_09.jpg

hz_menu_09.jpg

92 ms

hz_menu_11.jpg

hz_menu_11.jpg

96 ms

steel_tile.gif

steel_tile.gif

95 ms

nav-bg.jpg

nav-bg.jpg

119 ms

blank.gif

blank.gif

95 ms

vt_menu.jpg

vt_menu.jpg

114 ms

vt_menu_ro.jpg

vt_menu_ro.jpg

114 ms

vt_menu_end.png

vt_menu_end.png

119 ms

contact_plaque.png

contact_plaque.png

120 ms

vosb.png

vosb.png

119 ms

sdvosb.png

sdvosb.png

137 ms

ias.png

ias.png

137 ms

aisc.png

aisc.png

163 ms

us_gbc_member.png

us_gbc_member.png

142 ms

welding_member.png

welding_member.png

163 ms

made_in_usa.png

made_in_usa.png

142 ms

featured_epic.jpg

featured_epic.jpg

181 ms

featured-firml.jpg

featured-firml.jpg

181 ms

featured_river_legend.jpg

featured_river_legend.jpg

166 ms

il_paggio.jpg

il_paggio.jpg

165 ms

bettendorf.jpg

bettendorf.jpg

208 ms

spacer.gif

spacer.gif

186 ms

ahwgjh2.gif

ahwgjh2.gif

189 ms

ga.js

ga.js

33 ms

fttx.jpg

fttx.jpg

127 ms

footbg.jpg

footbg.jpg

140 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

deltastructures.com accessibility score

61

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

Links do not have a discernible name

Best Practices

deltastructures.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

deltastructures.com SEO score

67

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

    EN

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Deltastructures.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 Deltastructures.com main page’s claimed encoding is windows-1252. 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

deltastructures.com

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