4.2 sec in total
321 ms
2.9 sec
983 ms
Click here to check amazing Zenni content for United States. Otherwise, check out these important facts you probably never knew about zenni.com
Find affordable eyeglasses at Zenni! We have glasses for everyone and a virtual try-on tool to help you choose. Shop our online store and save on your next pair!
Visit zenni.comWe analyzed Zenni.com page load time and found that the first response time was 321 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
zenni.com performance score
name
value
score
weighting
Value3.5 s
36/100
10%
Value13.1 s
0/100
25%
Value14.9 s
1/100
10%
Value8,340 ms
0/100
30%
Value0.478
18/100
15%
Value33.6 s
0/100
10%
321 ms
65 ms
46 ms
86 ms
155 ms
Our browser made a total of 167 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Zenni.com, 15% (25 requests) were made to Zennioptical.com and 4% (7 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (764 ms) relates to the external source Pixelb.randi.adswizz.com.
Page size can be reduced by 909.2 kB (15%)
6.1 MB
5.2 MB
In fact, the total size of Zenni.com main page is 6.1 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.9 MB which makes up the majority of the site volume.
Potential reduce by 367.7 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 367.7 kB or 80% of the original size.
Potential reduce by 20.0 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. Zenni images are well optimized though.
Potential reduce by 141.5 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 141.5 kB or 45% of the original size.
Potential reduce by 379.9 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. Zenni.com needs all CSS files to be minified and compressed as it can save up to 379.9 kB or 84% of the original size.
Number of requests can be reduced by 80 (60%)
134
54
The browser has sent 134 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zenni. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and as a result speed up the page load time.
www.zennioptical.com
321 ms
init.js
65 ms
analytics.js
46 ms
jquery.min.js
86 ms
12126410469.js
155 ms
236c261a
38 ms
zenni-home-critical.min.js
92 ms
zenni-home-basic.min.js
91 ms
sVXCFMPXcB
61 ms
js
19 ms
reflektion.js
25 ms
collect
479 ms
an
441 ms
collect
468 ms
jquery-3.4.1.m.1588889810.js
365 ms
sendGAData.jsp
436 ms
sVXCFMPXcB
463 ms
zenni-logo.png
93 ms
storeSiteUS_flag.jpg
96 ms
Blokz_By_Zenni_Register_Logo_RGB.png
94 ms
womens_3Tile-lg.jpg
125 ms
mens_3Tile-lg.jpg
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kids_3Tile-lg.jpg
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ZEN_Sym_teal.png
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loading-01.gif
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fall_na_aspot.png
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Newsweek_BCS2023_Logo_Hor.svg
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6_tile_progressives_HP.jpg
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sunglasses-180.png
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readers_4422425-180.png
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protective-180.png
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shop_by_style.png
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shop_by_face_shape.png
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shop_by_color.png
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sports_2Tile-lg.jpg
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TopRated_HP3Tile-lg.jpg
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LastChance_HP_3tile-lg.jpg
189 ms
hidden_gem_hp3Tile-lg.jpg
169 ms
HP_value_message_%201Tile_body.png
168 ms
virtual-try-on-cropped-480.png
187 ms
global-search-loading.gif
188 ms
candb_3Tile-lg.jpg
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lato-black-webfont.woff
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fa-solid-900.woff
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fa-regular-400.woff
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lato-regular-webfont.woff
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suitcase_type_foundry_-_tabacg1-bold-webfont.woff
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lato-bold-webfont.woff
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rfk_sb.css
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fall_na_aspot.png
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collect
66 ms
eyeglasses-180.png
89 ms
collect
36 ms
blue-blockers-180.png
71 ms
protective-180.png
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6_tile_progressives_HP.jpg
69 ms
readers_4422425-180.png
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sunglasses-180.png
95 ms
ga-audiences
53 ms
shop_by_style.png
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shop_by_face_shape.png
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TopRated_HP3Tile-lg.jpg
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ga-audiences
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shop_by_color.png
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sports_2Tile-lg.jpg
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ohio_HP_2Tile-lg.jpg
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HP_value_message_%201Tile_body.png
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hidden_gem_hp3Tile-lg.jpg
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virtual-try-on-cropped-480.png
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global-search-loading.gif
73 ms
LastChance_HP_3tile-lg.jpg
82 ms
Iris_Resort_3Tile-lg.jpg
82 ms
zenni-rewards-logo-307.png
91 ms
HP_3Tile_Ortiz.jpg
102 ms
candb_3Tile-lg.jpg
85 ms
zenni-home.css
18 ms
zenni-home.css
85 ms
gtm.js
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nr-1177.min.js
190 ms
sVXCFMPXcB
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logo-footer.png
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COLTS_FDAConformanceSealGS.jpg
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BOIA_Member_Particip_2-01.png
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fa-brands-400.woff
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ef5352166e
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js
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uwt.js
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otSDKStub.js
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optimize.js
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764 ms
update_pixel
642 ms
ld.js
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bat.js
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core.js
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fbevents.js
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vck.js
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scevent.min.js
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dtag.js
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A2293205-9256-431e-84ad-808c125934c31.js
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events.js
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api.ipify.org
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js
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CobrowseBootstrap.js
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PRODratio.txt
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site.min.js
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conversion_async.js
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activityi;src=6592478;type=audie0;cat=zenni0;ord=3980298968521;gtm=2wg9q0;auiddc=1406134641.1664450041;u3=https%3A%2F%2Fwww.zennioptical.com%2F;~oref=https%3A%2F%2Fwww.zennioptical.com%2F
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linkid.js
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sVXCFMPXcB
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https:/
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collect
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collect
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bundle~ddf6c459f28b84f16c6a.js
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main.8f82d377.js
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1f4922aa-6e00-4568-8f0e-cff25a479b72.json
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identity.js
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1969887989902379
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ga-audiences
130 ms
location
220 ms
src=6592478;type=audie0;cat=zenni0;ord=3980298968521;gtm=2wg9q0;auiddc=1406134641.1664450041;u3=https%3A%2F%2Fwww.zennioptical.com%2F;~oref=https%3A%2F%2Fwww.zennioptical.com%2F
342 ms
adsct
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adsct
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syncframe
334 ms
account_version_check.html
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4008378.js
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vendor~apiBootstrap~5f79416cc95a6e4201e7.js
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apiBootstrap~a9dbdf12cd27ec3074e0.js
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experience.min.js
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an
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4008378
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otBannerSdk.js
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event
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mwgt_4.1.js
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clarity.js
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en.json
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check
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cksync.php
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Pug
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tap.php
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v1
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um
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sync
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sync
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c.gif
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1017
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pixel_sync
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1
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sync
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pixelCt.tpmn
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sync
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otFlat.json
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otPcCenter.json
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store_4.1.html
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sync
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cookiematch.aspx
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partner.mediawallahscript.com
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match
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xuid
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cookiematch.aspx
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zenni.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
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
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
zenni.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
zenni.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zenni.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 Zenni.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.
zenni.com
Open Graph data is detected on the main page of Zenni. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: