Tools & Wizards About Us
olsun.com screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

olsun.com

Transformer Supplier | Transformer Manufacturer USA

Page Load Speed

4.3 sec in total

First Response

854 ms

Resources Loaded

2.8 sec

Page Rendered

625 ms

olsun.com screenshot

About Website

Welcome to olsun.com homepage info - get ready to check Olsun best content right away, or after learning these important things about olsun.com

Olsun, a transformer manufacturer & supplier, provides dry type transformers & electrical transformers-the leading dry transformer manufacturer in the USA.

Visit olsun.com

Key Findings

We analyzed Olsun.com page load time and found that the first response time was 854 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

olsun.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

www.olsun.com

854 ms

gtm.js

62 ms

4orep.css

119 ms

4orep.css

221 ms

khw4juf.css

145 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 85% of them (63 requests) were addressed to the original Olsun.com, 4% (3 requests) were made to Use.typekit.net and 4% (3 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (854 ms) belongs to the original domain Olsun.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 144.6 kB (7%)

Content Size

2.2 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Olsun.com main page is 2.2 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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 97.6 kB

  • Original 117.0 kB
  • After minification 116.7 kB
  • After compression 19.3 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. 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 97.6 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 6.0 kB

  • Original 1.7 MB
  • After minification 1.7 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. Olsun images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 37.7 kB

  • Original 312.7 kB
  • After minification 312.7 kB
  • After compression 275.0 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 37.7 kB or 12% of the original size.

CSS Optimization

-7%

Potential reduce by 3.2 kB

  • Original 45.6 kB
  • After minification 45.6 kB
  • After compression 42.4 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. Olsun.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (20%)

Requests Now

69

After Optimization

55

  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olsun. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.olsun.com

www.olsun.com

854 ms

gtm.js

gtm.js

62 ms

4orep.css

4orep.css

119 ms

4orep.css

4orep.css

221 ms

khw4juf.css

khw4juf.css

145 ms

logo.png

logo.png

167 ms

tag-logo.png

tag-logo.png

167 ms

triplex-slide.jpg

triplex-slide.jpg

185 ms

bolt.png

bolt.png

123 ms

wbenc-slidejpg.jpg

wbenc-slidejpg.jpg

333 ms

encapsulated-slide.jpg

encapsulated-slide.jpg

259 ms

market-home-tn-1.jpg

market-home-tn-1.jpg

333 ms

market-home-tn-2.jpg

market-home-tn-2.jpg

259 ms

market-home-tn-3.jpg

market-home-tn-3.jpg

332 ms

market-home-tn-4.jpg

market-home-tn-4.jpg

333 ms

market-home-tn-5.jpg

market-home-tn-5.jpg

375 ms

market-home-tn-6.jpg

market-home-tn-6.jpg

385 ms

product-general-purpose-tn.jpg

product-general-purpose-tn.jpg

392 ms

product-sub-station-tn.jpg

product-sub-station-tn.jpg

390 ms

product-encapsulated-tn.jpg

product-encapsulated-tn.jpg

389 ms

product-pad-mount-tn.jpg

product-pad-mount-tn.jpg

391 ms

product-cast-coil-tn.jpg

product-cast-coil-tn.jpg

437 ms

product-drive-isolation-tn.jpg

product-drive-isolation-tn.jpg

444 ms

product-grounding-transformer-tn.png

product-grounding-transformer-tn.png

446 ms

product-harmonic-mitigation-tn.jpg

product-harmonic-mitigation-tn.jpg

447 ms

product-k-rated-tn.jpg

product-k-rated-tn.jpg

450 ms

product-marine-duty-tn.jpg

product-marine-duty-tn.jpg

449 ms

product-multi-pulse-tn.jpg

product-multi-pulse-tn.jpg

498 ms

product-noise-attenuation-tn.jpg

product-noise-attenuation-tn.jpg

501 ms

product-step-up-tn.jpg

product-step-up-tn.jpg

501 ms

product-test-tn.jpg

product-test-tn.jpg

503 ms

product-triplex-tn.jpg

product-triplex-tn.jpg

508 ms

product-switches-tn.jpg

product-switches-tn.jpg

507 ms

why-choose-olsun.jpg

why-choose-olsun.jpg

560 ms

biogas-facility-main-600x450.jpg

biogas-facility-main-600x450.jpg

561 ms

energy-storage-main-600x450.jpg

energy-storage-main-600x450.jpg

561 ms

ship-to-shore-cranes-main-600x450.jpg

ship-to-shore-cranes-main-600x450.jpg

613 ms

student-housing-main-600x450.jpg

student-housing-main-600x450.jpg

570 ms

all.css

all.css

55 ms

api.js

api.js

69 ms

4orep.js

4orep.js

684 ms

4orep.js

4orep.js

577 ms

p.css

p.css

26 ms

4orep.js

4orep.js

510 ms

4orep.js

4orep.js

509 ms

4orep.js

4orep.js

513 ms

recaptcha__en.js

recaptcha__en.js

92 ms

4orep.js

4orep.js

490 ms

4orep.js

4orep.js

496 ms

d

d

5 ms

d

d

16 ms

fa-solid-900.woff

fa-solid-900.woff

76 ms

fa-regular-400.woff

fa-regular-400.woff

96 ms

architectural-glass-fabrication-main-600x450.jpg

architectural-glass-fabrication-main-600x450.jpg

485 ms

battery-energy-storage-system-main-600x450.jpg

battery-energy-storage-system-main-600x450.jpg

446 ms

mv-substations-natural-gas-electric-facility-main-600x450.jpg

mv-substations-natural-gas-electric-facility-main-600x450.jpg

374 ms

dry-type-transformer-retrofit-pacific-northwest-college-main-600x450.jpg

dry-type-transformer-retrofit-pacific-northwest-college-main-600x450.jpg

415 ms

lv-test-transformers-hvac-manufacturer-main-600x450.jpg

lv-test-transformers-hvac-manufacturer-main-600x450.jpg

416 ms

mv-compact-substations-football-stadium-renovation-main-600x450.jpg

mv-compact-substations-football-stadium-renovation-main-600x450.jpg

422 ms

traction-cast-coil-tansformers-light-rail-main-600x450.jpg

traction-cast-coil-tansformers-light-rail-main-600x450.jpg

385 ms

38kv-load-interrupter-switches-flat-steel-complex-main-600x450.jpg

38kv-load-interrupter-switches-flat-steel-complex-main-600x450.jpg

383 ms

triplex-featured-project.jpg

triplex-featured-project.jpg

454 ms

bystronic-4kw-fiber-laser-cutting-machine-main.jpg

bystronic-4kw-fiber-laser-cutting-machine-main.jpg

405 ms

ul-logo-footer.png

ul-logo-footer.png

405 ms

ul-c-logo-footer.png

ul-c-logo-footer.png

420 ms

made-in-usa-footer.png

made-in-usa-footer.png

381 ms

wbe-seal-sm.png

wbe-seal-sm.png

386 ms

linkedin.png

linkedin.png

406 ms

facebook.png

facebook.png

406 ms

home-title-bg.png

home-title-bg.png

424 ms

recent-projects-bg.png

recent-projects-bg.png

427 ms

featured-product-bg.png

featured-product-bg.png

392 ms

hot-topics-bg.png

hot-topics-bg.png

399 ms

css

css

32 ms

Accessibility Review

olsun.com accessibility score

89

Accessibility Issues

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.

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

Best Practices

olsun.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

olsun.com SEO score

84

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

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 Olsun.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 Olsun.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

olsun.com

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