Tools & Wizards About Us
tjernlund.com screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

tjernlund.com

Room to Room Fan : Crawl Space Ventilation : Dryer Booster Fan : Tjernlund Products, Inc.

Page Load Speed

1.4 sec in total

First Response

109 ms

Resources Loaded

1.1 sec

Page Rendered

242 ms

tjernlund.com screenshot

About Website

Welcome to tjernlund.com homepage info - get ready to check Tjernlund best content for United States right away, or after learning these important things about tjernlund.com

Tjernlund Products is your source for crawl space ventilation. We carry products ranging from a room to room fan, dryer booster fan, a chimney fan, and more. Don�t worry about damp crawl space moistur...

Visit tjernlund.com

Key Findings

We analyzed Tjernlund.com page load time and found that the first response time was 109 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 30% of websites can load faster.

Performance Metrics

tjernlund.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

99/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

tjernlund.com

109 ms

186 ms

styles.css

81 ms

stmenu.js

145 ms

style.css

151 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 95% of them (57 requests) were addressed to the original Tjernlund.com, 3% (2 requests) were made to S.swiftypecdn.com and 2% (1 request) were made to Shop.tjernlund.com. The less responsive or slowest element that took the longest time to load (476 ms) belongs to the original domain Tjernlund.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.2 kB (6%)

Content Size

771.9 kB

After Optimization

726.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tjernlund.com main page is 771.9 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. 30% of websites need less resources to load. Images take 602.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 34.9 kB

  • Original 44.5 kB
  • After minification 39.0 kB
  • After compression 9.6 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 5.5 kB, which is 12% 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 34.9 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 7.9 kB

  • Original 602.6 kB
  • After minification 594.7 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. Tjernlund images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.9 kB

  • Original 123.2 kB
  • After minification 123.2 kB
  • After compression 121.3 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

-29%

Potential reduce by 485 B

  • Original 1.6 kB
  • After minification 1.6 kB
  • After compression 1.2 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. Tjernlund.com needs all CSS files to be minified and compressed as it can save up to 485 B or 29% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

56

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tjernlund. According to our analytics all requests are already optimized.

Network Requests Diagram

tjernlund.com

tjernlund.com

109 ms

186 ms

styles.css

styles.css

81 ms

stmenu.js

stmenu.js

145 ms

style.css

style.css

151 ms

st.js

st.js

26 ms

mouseover_dryerbooster.jpg

mouseover_dryerbooster.jpg

102 ms

mouseover_videos.jpg

mouseover_videos.jpg

98 ms

mouseovers_newproducts.jpg

mouseovers_newproducts.jpg

114 ms

crawlspace4.jpg

crawlspace4.jpg

146 ms

resourcecd_screenshot.jpg

resourcecd_screenshot.jpg

231 ms

Header_new.jpg

Header_new.jpg

195 ms

mainbk.png

mainbk.png

158 ms

rescd_thumb.gif

rescd_thumb.gif

162 ms

Made-in-the-USA.jpg

Made-in-the-USA.jpg

169 ms

cat-grad-blue.jpg

cat-grad-blue.jpg

192 ms

UC1whsj.jpg

UC1whsj.jpg

201 ms

SS2-Sideshot-w-shadow.jpg

SS2-Sideshot-w-shadow.jpg

218 ms

UC1winducer.jpg

UC1winducer.jpg

230 ms

Tjernlund-Chimney-Top-Fan-Composite.jpg

Tjernlund-Chimney-Top-Fan-Composite.jpg

260 ms

PAI-3_7-w-shadowsm.jpg

PAI-3_7-w-shadowsm.jpg

261 ms

PAI-G-Combustion-Air-Inforcer-w-shadowsm.jpg

PAI-G-Combustion-Air-Inforcer-w-shadowsm.jpg

256 ms

UC1.jpg

UC1.jpg

279 ms

mac1e.jpg

mac1e.jpg

295 ms

VH1-Series-Hoods-w-shadow.jpg

VH1-Series-Hoods-w-shadow.jpg

282 ms

DC-Draftcontro-85.jpg

DC-Draftcontro-85.jpg

323 ms

Whke-w-shadow.jpg

Whke-w-shadow.jpg

317 ms

Tjernlund%20MPCI%20Modulating%20Pressure%20Control%20Interlock-sm.jpg

Tjernlund%20MPCI%20Modulating%20Pressure%20Control%20Interlock-sm.jpg

332 ms

autodraft-on-rmksm.jpg

autodraft-on-rmksm.jpg

336 ms

VSUB-with-Adaptersm.jpg

VSUB-with-Adaptersm.jpg

334 ms

VSRI-Seriessm.jpg

VSRI-Seriessm.jpg

356 ms

vfd-small.jpg

vfd-small.jpg

374 ms

AD-1sm.jpg

AD-1sm.jpg

425 ms

AireShare-AS1sm.jpg

AireShare-AS1sm.jpg

391 ms

Tjernlund-FAI4-Fresh-Air-Intake-Connectedsm.jpg

Tjernlund-FAI4-Fresh-Air-Intake-Connectedsm.jpg

396 ms

EF-8_EF-14-Duct-Boosterssm.jpg

EF-8_EF-14-Duct-Boosterssm.jpg

397 ms

Tjernlund-Dryer-Duct-Booster-Fannew.jpg

Tjernlund-Dryer-Duct-Booster-Fannew.jpg

420 ms

Tjernlund-P-Series-Fan-Thumn.jpg

Tjernlund-P-Series-Fan-Thumn.jpg

426 ms

RB-Series-Register-Boostersm.jpg

RB-Series-Register-Boostersm.jpg

447 ms

Tjernlund-Xchanger-Basement-Fansm.jpg

Tjernlund-Xchanger-Basement-Fansm.jpg

450 ms

crawlspacebtn.jpg

crawlspacebtn.jpg

455 ms

cool-home.jpg

cool-home.jpg

476 ms

FxqXZAZPC2ZH1Q2w2qct.json

FxqXZAZPC2ZH1Q2w2qct.json

173 ms

D-Strat-90b.jpg

D-Strat-90b.jpg

389 ms

Tjernlund-Radon-VAC-Compositesmall.jpg

Tjernlund-Radon-VAC-Compositesmall.jpg

377 ms

PVC4.jpg

PVC4.jpg

387 ms

RA1-Small.jpg

RA1-Small.jpg

353 ms

enviroTech_sm.jpg

enviroTech_sm.jpg

362 ms

FB2632_SM.jpg

FB2632_SM.jpg

369 ms

Small-Burning-Barrel-Cropped_SM.jpg

Small-Burning-Barrel-Cropped_SM.jpg

379 ms

WS1-Stash-Kit_SM.jpg

WS1-Stash-Kit_SM.jpg

361 ms

newprod_ani.gif

newprod_ani.gif

356 ms

sizing1.gif

sizing1.gif

363 ms

iphone-sm.jpg

iphone-sm.jpg

363 ms

shop.tjernlund.com

shop.tjernlund.com

235 ms

tjernlund-registration.jpg

tjernlund-registration.jpg

357 ms

product_video_btn.jpg

product_video_btn.jpg

377 ms

rightnav-dot.gif

rightnav-dot.gif

343 ms

Radon-Action-Month-Banner.jpg

Radon-Action-Month-Banner.jpg

358 ms

bg-grad.jpg

bg-grad.jpg

358 ms

Accessibility Review

tjernlund.com accessibility score

49

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.

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

High

Links do not have a discernible name

Best Practices

tjernlund.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

tjernlund.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

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tjernlund.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 Tjernlund.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

tjernlund.com

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