Tools & Wizards About Us
pollenlibrary.com screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

pollenlibrary.com

Tree and Plant Allergy Info for Research - Allergen and Botanic Reference Library

Page Load Speed

971 ms in total

First Response

40 ms

Resources Loaded

842 ms

Page Rendered

89 ms

pollenlibrary.com screenshot

About Website

Click here to check amazing Pollen Library content for United States. Otherwise, check out these important facts you probably never knew about pollenlibrary.com

Research plant's and tree's allergenicity, find out allergy seasons in your area and check what's causing your allergies with PollenLibrary.com

Visit pollenlibrary.com

Key Findings

We analyzed Pollenlibrary.com page load time and found that the first response time was 40 ms and then it took 931 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

pollenlibrary.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

51/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value1,970 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

pollenlibrary.com

40 ms

www.pollenlibrary.com

87 ms

pollen_ui.css

31 ms

jquery.js

49 ms

ajax-banner.js

55 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 52% of them (26 requests) were addressed to the original Pollenlibrary.com, 8% (4 requests) were made to Cm.g.doubleclick.net and 4% (2 requests) were made to Match.adsrvr.org. The less responsive or slowest element that took the longest time to load (403 ms) relates to the external source Invstatic101.creativecdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.8 kB (29%)

Content Size

385.4 kB

After Optimization

274.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pollenlibrary.com main page is 385.4 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. 55% of websites need less resources to load. Javascripts take 295.6 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 19.9 kB

  • Original 27.5 kB
  • After minification 22.6 kB
  • After compression 7.6 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 4.9 kB, which is 18% 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 19.9 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 27 B

  • Original 46.1 kB
  • After minification 46.1 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. Pollen Library images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 77.5 kB

  • Original 295.6 kB
  • After minification 291.8 kB
  • After compression 218.1 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 77.5 kB or 26% of the original size.

CSS Optimization

-82%

Potential reduce by 13.3 kB

  • Original 16.2 kB
  • After minification 11.4 kB
  • After compression 2.9 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. Pollenlibrary.com needs all CSS files to be minified and compressed as it can save up to 13.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (61%)

Requests Now

41

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pollen Library. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

pollenlibrary.com

pollenlibrary.com

40 ms

www.pollenlibrary.com

www.pollenlibrary.com

87 ms

pollen_ui.css

pollen_ui.css

31 ms

jquery.js

jquery.js

49 ms

ajax-banner.js

ajax-banner.js

55 ms

main.js

main.js

54 ms

adsbygoogle.js

adsbygoogle.js

208 ms

gpt.js

gpt.js

126 ms

js

js

81 ms

5377.js

5377.js

38 ms

259 ms

navHome_on.gif

navHome_on.gif

42 ms

navHome.gif

navHome.gif

42 ms

navSignUpAA_on.gif

navSignUpAA_on.gif

43 ms

navSignUpAA.gif

navSignUpAA.gif

43 ms

navContactForm_on.gif

navContactForm_on.gif

44 ms

navContactForm.gif

navContactForm.gif

44 ms

navFaq_on.gif

navFaq_on.gif

46 ms

navFaq.gif

navFaq.gif

45 ms

navPollen_on.gif

navPollen_on.gif

44 ms

navPollen.gif

navPollen.gif

46 ms

navHowToResearch_on.gif

navHowToResearch_on.gif

129 ms

navHowToResearch.gif

navHowToResearch.gif

129 ms

navCommunity_on.gif

navCommunity_on.gif

128 ms

navCommunity.gif

navCommunity.gif

128 ms

mast_Cottonwood.jpg

mast_Cottonwood.jpg

177 ms

logo.png

logo.png

177 ms

btnSubmit.gif

btnSubmit.gif

177 ms

black_t55.png

black_t55.png

176 ms

spacerGray.gif

spacerGray.gif

177 ms

twitter_facebook_smrectangle.gif

twitter_facebook_smrectangle.gif

175 ms

pubads_impl.js

pubads_impl.js

53 ms

ob.js

ob.js

54 ms

esp.js

esp.js

47 ms

publishertag.ids.js

publishertag.ids.js

38 ms

sync.min.js

sync.min.js

30 ms

encrypted-tag-g.js

encrypted-tag-g.js

403 ms

map

map

74 ms

esp

esp

30 ms

pd

pd

26 ms

443918ed-d9db-e9d0-ff08-58e8978f63e7

443918ed-d9db-e9d0-ff08-58e8978f63e7

44 ms

openx

openx

37 ms

pixel

pixel

49 ms

pixel

pixel

50 ms

dcm

dcm

24 ms

openx

openx

3 ms

sd

sd

23 ms

pixel

pixel

14 ms

pixel

pixel

15 ms

sd

sd

6 ms

Accessibility Review

pollenlibrary.com accessibility score

75

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

pollenlibrary.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

pollenlibrary.com SEO score

64

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

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pollenlibrary.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 Pollenlibrary.com main page’s claimed encoding is iso-8859-1. 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

pollenlibrary.com

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