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o-t-s.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

o-t-s.com

Welcome

Page Load Speed

3.7 sec in total

First Response

305 ms

Resources Loaded

2.1 sec

Page Rendered

1.3 sec

o-t-s.com screenshot

About Website

Click here to check amazing O T S content for India. Otherwise, check out these important facts you probably never knew about o-t-s.com

Power Systems Operation Training

Visit o-t-s.com

Key Findings

We analyzed O-t-s.com page load time and found that the first response time was 305 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

o-t-s.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

o-t-s.com

305 ms

styles.css

85 ms

fonts.css

165 ms

logo.css

164 ms

primary.css

173 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 97% of them (70 requests) were addressed to the original O-t-s.com, 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (702 ms) belongs to the original domain O-t-s.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 427.5 kB (28%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of O-t-s.com main page is 1.5 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. 60% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 37.8 kB

  • Original 45.1 kB
  • After minification 34.3 kB
  • After compression 7.3 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 10.8 kB, which is 24% 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 37.8 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 11.8 kB

  • Original 1.0 MB
  • After minification 990.0 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. O T S images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 290.2 kB

  • Original 387.4 kB
  • After minification 347.2 kB
  • After compression 97.2 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 290.2 kB or 75% of the original size.

CSS Optimization

-91%

Potential reduce by 87.7 kB

  • Original 96.8 kB
  • After minification 48.0 kB
  • After compression 9.1 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. O-t-s.com needs all CSS files to be minified and compressed as it can save up to 87.7 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (44%)

Requests Now

71

After Optimization

40

  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O T S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

o-t-s.com

o-t-s.com

305 ms

styles.css

styles.css

85 ms

fonts.css

fonts.css

165 ms

logo.css

logo.css

164 ms

primary.css

primary.css

173 ms

2_column.css

2_column.css

172 ms

responsive.css

responsive.css

172 ms

jquery-1.5.1.min.js

jquery-1.5.1.min.js

269 ms

jquery.cookie.js

jquery.cookie.js

271 ms

pxgradient-1.0.1.jquery.js

pxgradient-1.0.1.jquery.js

270 ms

jquery-ui-1.8.11.custom.min.js

jquery-ui-1.8.11.custom.min.js

458 ms

special_functions.js

special_functions.js

268 ms

hoverIntent.js

hoverIntent.js

267 ms

superfish.js

superfish.js

344 ms

jquery.nivo.slider.js

jquery.nivo.slider.js

364 ms

jquery.nivo.slider.small.js

jquery.nivo.slider.small.js

362 ms

logo.js

logo.js

344 ms

jquery.jqDock.min.js

jquery.jqDock.min.js

363 ms

css

css

53 ms

css

css

106 ms

nivo_slider.css

nivo_slider.css

255 ms

body_bg.jpg

body_bg.jpg

192 ms

primary_bg.jpg

primary_bg.jpg

341 ms

slider.png

slider.png

172 ms

loading.png

loading.png

167 ms

solar.jpg

solar.jpg

250 ms

wind.jpg

wind.jpg

252 ms

solar_star.jpg

solar_star.jpg

242 ms

mojave_wind_farm.jpg

mojave_wind_farm.jpg

157 ms

slidercover.png

slidercover.png

156 ms

cb_old_air_blast.jpeg

cb_old_air_blast.jpeg

229 ms

500_mva_400_kv_transformer_core_assembly.jpeg

500_mva_400_kv_transformer_core_assembly.jpeg

316 ms

WW_500_kV_series_cap_bypass_breaker1_ge.jpeg

WW_500_kV_series_cap_bypass_breaker1_ge.jpeg

694 ms

hoover_generators.jpeg

hoover_generators.jpeg

702 ms

themed_object.png

themed_object.png

306 ms

get_in_touch.png

get_in_touch.png

306 ms

zoom_about.png

zoom_about.png

683 ms

zoom_contact.png

zoom_contact.png

683 ms

zoom_services.png

zoom_services.png

684 ms

zoom_sitemap.png

zoom_sitemap.png

683 ms

luddington_pumped_storage.jpg

luddington_pumped_storage.jpg

682 ms

highland_wind_farm.jpg

highland_wind_farm.jpg

682 ms

straits_hvdc.jpg

straits_hvdc.jpg

682 ms

mike_photo.jpg

mike_photo.jpg

674 ms

OTS_logo.jpg

OTS_logo.jpg

672 ms

NERC_logo.jpg

NERC_logo.jpg

673 ms

back_to_topUP.png

back_to_topUP.png

672 ms

boxi_top.png

boxi_top.png

465 ms

boxi_bottom.png

boxi_bottom.png

462 ms

box_corner_right.png

box_corner_right.png

462 ms

boxi_bg.png

boxi_bg.png

463 ms

box1_bottom.png

box1_bottom.png

463 ms

box1_top.png

box1_top.png

464 ms

box1_bg.png

box1_bg.png

464 ms

box4_bottom.png

box4_bottom.png

81 ms

box4_top.png

box4_top.png

82 ms

box4_bg.png

box4_bg.png

83 ms

advertising_bg.jpg

advertising_bg.jpg

82 ms

advertising.jpg

advertising.jpg

83 ms

footer_bg.jpg

footer_bg.jpg

84 ms

footer.jpg

footer.jpg

158 ms

footer_separator.png

footer_separator.png

158 ms

footer_quicklinks.png

footer_quicklinks.png

162 ms

footer_quicklist.png

footer_quicklist.png

162 ms

footer_contact.png

footer_contact.png

163 ms

footer_social.png

footer_social.png

162 ms

footer_address.png

footer_address.png

239 ms

footer_phone.png

footer_phone.png

239 ms

footer_email.png

footer_email.png

241 ms

slider_readmore.png

slider_readmore.png

79 ms

arrows.png

arrows.png

79 ms

bullets.png

bullets.png

84 ms

Accessibility Review

o-t-s.com accessibility score

84

Accessibility Issues

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

o-t-s.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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

o-t-s.com SEO score

80

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 O-t-s.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 O-t-s.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

o-t-s.com

Open Graph description is not detected on the main page of O T S. 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: