Tools & Wizards About Us
petscans.info screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

petscans.info

PET Cancer Imaging including breast and lung cancer, lymphoma

Page Load Speed

39.1 sec in total

First Response

165 ms

Resources Loaded

1.9 sec

Page Rendered

37.1 sec

petscans.info screenshot

About Website

Welcome to petscans.info homepage info - get ready to check PET Scans best content right away, or after learning these important things about petscans.info

Whole body PET Imaging can help diagnose cancer, and to monitor response to therapy. PET also is useful in Alzheimer's disease, epilepsy, and heart disease

Visit petscans.info

Key Findings

We analyzed Petscans.info page load time and found that the first response time was 165 ms and then it took 39 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

petscans.info performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

10/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.547

13/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

petscans.info

165 ms

ADtitleTauNF.jpg

467 ms

TitleAD.jpg

317 ms

AD3d.jpg

203 ms

ADearly.jpg

130 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Petscans.info and no external sources were called. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Petscans.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 881.1 kB (6%)

Content Size

15.9 MB

After Optimization

15.0 MB

  • HTML
  • Images

In fact, the total size of Petscans.info main page is 15.9 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 15.8 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 83.2 kB

  • Original 118.7 kB
  • After minification 118.0 kB
  • After compression 35.5 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 83.2 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 798.0 kB

  • Original 15.8 MB
  • After minification 15.0 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. PET Scans images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

35

After Optimization

35

  • Images

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PET Scans. According to our analytics all requests are already optimized.

Network Requests Diagram

petscans.info

petscans.info

165 ms

ADtitleTauNF.jpg

ADtitleTauNF.jpg

467 ms

TitleAD.jpg

TitleAD.jpg

317 ms

AD3d.jpg

AD3d.jpg

203 ms

ADearly.jpg

ADearly.jpg

130 ms

AD27month.jpg

AD27month.jpg

316 ms

AdvK1.jpg

AdvK1.jpg

329 ms

AlzFMZ.jpg

AlzFMZ.jpg

218 ms

CTbrainPicksDisease.jpg

CTbrainPicksDisease.jpg

312 ms

PETfdgPicks.jpg

PETfdgPicks.jpg

311 ms

FTDfamilial.jpg

FTDfamilial.jpg

409 ms

FDDNPprecursorStructure.jpg

FDDNPprecursorStructure.jpg

331 ms

UCLApetNEJMalzMCI.jpg

UCLApetNEJMalzMCI.jpg

357 ms

MuscleTItle.jpg

MuscleTItle.jpg

746 ms

burkLYMPHOMAlegs.jpg

burkLYMPHOMAlegs.jpg

337 ms

PETandCANCER.jpg

PETandCANCER.jpg

384 ms

ChemPhysMed.jpg

ChemPhysMed.jpg

450 ms

transPET.jpg

transPET.jpg

385 ms

emissionPET.jpg

emissionPET.jpg

409 ms

AttenCorrectPET.jpg

AttenCorrectPET.jpg

409 ms

wholeBody.jpg

wholeBody.jpg

419 ms

squamousCA.jpg

squamousCA.jpg

461 ms

brainMET.jpg

brainMET.jpg

709 ms

FDGgbm.jpg

FDGgbm.jpg

511 ms

EMEM.jpg

EMEM.jpg

826 ms

AAA.jpg

AAA.jpg

774 ms

BBB.jpg

BBB.jpg

590 ms

tmzAAA.jpg

tmzAAA.jpg

639 ms

NormalAstro.jpg

NormalAstro.jpg

909 ms

CCC.jpg

CCC.jpg

786 ms

DDD.jpg

DDD.jpg

1087 ms

positronRadioTx.jpg

positronRadioTx.jpg

992 ms

petctone.jpg

petctone.jpg

891 ms

petcttwo.jpg

petcttwo.jpg

918 ms

DamadianARGeyePET.jpg

DamadianARGeyePET.jpg

1710 ms

eyePET.jpg

eyePET.jpg

930 ms

Accessibility Review

petscans.info 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

Links do not have a discernible name

Best Practices

petscans.info 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

Serves images with low resolution

SEO Factors

petscans.info SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Petscans.info 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 Petscans.info main page’s claimed encoding is . 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

petscans.info

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