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zscaler.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

zscaler.com

Cybersecurity and Zero Trust Leader | Zscaler

Page Load Speed

2 sec in total

First Response

63 ms

Resources Loaded

1.2 sec

Page Rendered

750 ms

zscaler.com screenshot

About Website

Click here to check amazing Zscaler content for India. Otherwise, check out these important facts you probably never knew about zscaler.com

Zscaler, the zero trust cybersecurity leader, accelerates digital transformation with fast, secure connections between users, devices and apps over any network.

Visit zscaler.com

Key Findings

We analyzed Zscaler.com page load time and found that the first response time was 63 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

zscaler.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value2,570 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

zscaler.com

63 ms

zscaler.com

44 ms

www.zscaler.com

107 ms

117186981.js

38 ms

OtAutoBlock.js

55 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 94% of them (80 requests) were addressed to the original Zscaler.com, 4% (3 requests) were made to Cdn.cookielaw.org and 1% (1 request) were made to Cdn.intellimize.co. The less responsive or slowest element that took the longest time to load (462 ms) belongs to the original domain Zscaler.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 379.2 kB (76%)

Content Size

499.5 kB

After Optimization

120.3 kB

  • HTML
  • JavaScript

In fact, the total size of Zscaler.com main page is 499.5 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. 45% of websites need less resources to load. HTML takes 462.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 379.1 kB

  • Original 462.8 kB
  • After minification 461.3 kB
  • After compression 83.6 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. 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 379.1 kB or 82% of the original size.

JavaScript Optimization

-0%

Potential reduce by 89 B

  • Original 36.8 kB
  • After minification 36.8 kB
  • After compression 36.7 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.

Requests Breakdown

Number of requests can be reduced by 40 (49%)

Requests Now

82

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zscaler. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zscaler.com

zscaler.com

63 ms

zscaler.com

zscaler.com

44 ms

www.zscaler.com

www.zscaler.com

107 ms

117186981.js

117186981.js

38 ms

OtAutoBlock.js

OtAutoBlock.js

55 ms

otSDKStub.js

otSDKStub.js

65 ms

a9a273f44ba2b0c1.css

a9a273f44ba2b0c1.css

86 ms

88605379f801a6d3.css

88605379f801a6d3.css

127 ms

65b2cfa02816a9e9.css

65b2cfa02816a9e9.css

79 ms

345f4163936959f7.css

345f4163936959f7.css

139 ms

39dc5916e674dd7c.css

39dc5916e674dd7c.css

115 ms

6cebce83ced742f7.css

6cebce83ced742f7.css

114 ms

544bfdbe148a2c06.css

544bfdbe148a2c06.css

168 ms

0a6faa6d1f9c8d2e.css

0a6faa6d1f9c8d2e.css

112 ms

c689cf67063d137d.css

c689cf67063d137d.css

192 ms

c910b9d3faea484a.css

c910b9d3faea484a.css

209 ms

beec612b0534fa07.css

beec612b0534fa07.css

182 ms

5eef57a36340ae78.css

5eef57a36340ae78.css

194 ms

e1f7f7d5ee9208b2.css

e1f7f7d5ee9208b2.css

213 ms

polyfills-78c92fac7aa8fdd8.js

polyfills-78c92fac7aa8fdd8.js

299 ms

1211.641acbb5193c454d.js

1211.641acbb5193c454d.js

316 ms

1354.51864c9315139c37.js

1354.51864c9315139c37.js

317 ms

5192.b01af0b1566e0a65.js

5192.b01af0b1566e0a65.js

297 ms

5267.dea4ff25c014c234.js

5267.dea4ff25c014c234.js

317 ms

2883.7cd49355efa8041a.js

2883.7cd49355efa8041a.js

297 ms

4979.87898132e7066c60.js

4979.87898132e7066c60.js

319 ms

9435.4a9f42021faccfe1.js

9435.4a9f42021faccfe1.js

322 ms

12.95e57d3dd6e08abd.js

12.95e57d3dd6e08abd.js

331 ms

9801.3b3237bfd452dfee.js

9801.3b3237bfd452dfee.js

322 ms

791.e8919a226bfe7d52.js

791.e8919a226bfe7d52.js

334 ms

9901.6d7f089f5295baa8.js

9901.6d7f089f5295baa8.js

351 ms

8900.9fd7001725b53986.js

8900.9fd7001725b53986.js

321 ms

webpack-5238fb59e2cd513a.js

webpack-5238fb59e2cd513a.js

378 ms

framework-aec4381329cec0e4.js

framework-aec4381329cec0e4.js

389 ms

main-d4b326de8ea81632.js

main-d4b326de8ea81632.js

380 ms

_app-7cb44808d00f6bc3.js

_app-7cb44808d00f6bc3.js

421 ms

4612-3783f202055153ba.js

4612-3783f202055153ba.js

412 ms

5403-24b4d1e45a6ee2a6.js

5403-24b4d1e45a6ee2a6.js

430 ms

3666-0828d08981c03e61.js

3666-0828d08981c03e61.js

400 ms

5609-ff89b508a72b19d9.js

5609-ff89b508a72b19d9.js

450 ms

6451-2070459b48abdbef.js

6451-2070459b48abdbef.js

415 ms

%5B%5B...slug%5D%5D-5f880985c12eebe7.js

%5B%5B...slug%5D%5D-5f880985c12eebe7.js

415 ms

3e894970-e3e9-4783-85e9-7c38eedbfbbf.json

3e894970-e3e9-4783-85e9-7c38eedbfbbf.json

26 ms

_buildManifest.js

_buildManifest.js

361 ms

_ssgManifest.js

_ssgManifest.js

358 ms

location

location

44 ms

image

image

391 ms

image

image

381 ms

image

image

392 ms

image

image

385 ms

image

image

340 ms

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image

325 ms

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image

330 ms

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328 ms

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image

332 ms

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322 ms

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239 ms

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250 ms

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308 ms

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image

274 ms

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332 ms

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256 ms

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257 ms

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352 ms

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image

275 ms

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image

363 ms

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image

293 ms

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image

392 ms

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image

322 ms

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image

356 ms

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image

348 ms

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image

350 ms

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384 ms

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400 ms

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366 ms

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373 ms

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411 ms

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412 ms

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456 ms

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419 ms

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404 ms

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429 ms

image

image

434 ms

image

image

418 ms

image

image

462 ms

Accessibility Review

zscaler.com accessibility score

91

Accessibility Issues

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

Buttons do not have an accessible name

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.

Best Practices

zscaler.com best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

zscaler.com SEO score

79

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 doesn't use legible font sizes

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 Zscaler.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 Zscaler.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

zscaler.com

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