Stress test with validation and verification

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Concordia University *

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6311

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Computer Science

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Jan 9, 2024

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docx

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Your Results: View: Performance Summary Is it Quick? Not bad... Thi @ opportunities s [BYTips 5 i @) Experiments 10 Page Performance Metrics First View (Run 3) Time to First Byte Start Render 1955 1.100s When did the content start When did pixels first start to downloading? appear? Visual Page Loading Process (Explore) Performance Summary - Tools: Export v Is it Usable? Re-Run Test .}, DOWNLOAD HAR Performance grade 78 Load time 3.44s t*; SHARE RESULT Page size 10.9 MB Requests 49 Is it Resilient? Q@ opportunites 1 [ ips 1 E>mzxperwem 1 @ opportunities 2 [B) Tips 2 fyﬂsxpervmen:s 1 (Based on Median Run by: ¥ Speed Index) FIrst Contentful Paint 1.068s How soon did text and images start to appear? Speed Index Total Blocking Time 13.508s .000s Page Welght 10,724 How soon did the page appear How long was content blocked How many bytes were downloaded? usable? from user input?

u 100 Avoid empty src or href You may expect a browser to do nothing when it encounters an empty image src. However, it is not the case in most browsers. IE makes a request to the directory inwhich the page is located; Safari, Chrome, Firefox 3 and earlier make a request to the actual page itself. This behavior could possibly corrupt user data, waste server computing cycles generating a page that will never be viewed, and in the worst case, cripple your servers by sending a large amount of unexpected traffic. [ 100 PutJavascriptat bottom JavaScript scripts block parallel downloads; that is, when a script is downloading, the browser will not start any other downloads. To help the page load faster, move scripts to the bottom of the page if they are deferrable. u 100 Reduce the number of DOM elements A complex page means more bytes to download, and it also means slower DOM access in JavaScript. Reduce the number of DOM elements on the page to improve performance. u 100 Make favicon small and cacheable Afavicon s anicon associated with a web page; this icon resides in the favicon.ico file in the server's root. Since the browser requests this file, it needs to be present; if it is missing, the browser returns a 404 error (see "Avoid HTTP 404 (Not Found) error" above). Since favicon.ico resides in the server's root, each time the browser requests this file, the cookies for the server's root are sent. Making the favicon small and reducing the cookie size for the server's root cookies improves performance for retrieving the favicon. Making favicon.ico cacheable avoids frequent requests for it. Response codes €D ok 27 Not Found Content size by content type Requests by content type & Image 93.14% 102v @ As Font 3.25% 354.9KB Script 2.47% 2689 KB {} css 1.01% 110.6KB HTML 0.10% 10.7KB E XHR 0.02% 2.1KB Total Content size by domain Requests by domain Total Total

Browser Timings . These timings are milestones reported by the browser. Redirect Duration ? Oms Connection Duration 2 291ms Backend Duration 2 138ms Time to First Byte (TTFB) ? 429ms | First Paint ? 11s DOM |Interactive Time ? 1.7s DOM Content Loaded Time ? 17s | Onload Time 2 47s | Fully Loaded Time 2 124s METRICS Collapse view W First Contentful Paint A Largest Contentful Paint 10s 55s First Contentful Paint marks the time at which the first text or Largest Contentful Paint marks the time at which the largest text image is painted. Learn more about the First Contentful Paint or image is painted. Learn more about the Largest Contentful metric. Paint metric @ Total Blocking Time A Cumulative Layout Shift 0 ms 0.504 Sum of all time periods between FCP and Time to Interactive, Cumulative Layout Shift measures the movement of visible when task length exceeded 50ms, expressed in milliseconds. elements within the viewport. Learn more about the Cumulative Learn more about the Total Blocking Time metric. Layout Shift metric. A Speed Index 32s Speed Index shows how quickly the contents of a page are visibly populated. Learn more about the Speed Index metric. () Captured at Apr 10, 2023, 9:06 AM EDT L6 Emulated. Desktop with Lighthouse. 10.0.2 & Single.page. load & Initial page load a4 Custom.throttling ® Using. HeadlessChromium. 111.0.5563.146.with.Ir PASSED AUDITS (8) Has a <meta name="viewport”> tag With width OF initial-scale Document has a <title> element Page has successful HTTP status code Links have descriptive text Page isn't blocked from indexing Image elements have [a1t] attributes Document has a valid hreflang Document avoids plugins Hide

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3.5s 4.0s 4.5s 5.0s 5.5s 6.0s Edit title 1: lancehub.j.layershift.co.uk/ Test Run Details o 40% 40% 40% « » - T A 40, lancehub. j.1a...t.co.uk - main.js ‘luza ns A\ 41, lancehub.j.la .... co.uk - bg_d.jpg AL 1799 ms A\ 42. lancehub.j.la...reelancer_bgl.jpg " AL A 10666 s A\ 43. lancehub.j.la .... uk - icomoon.ttf Dl BB kLT 4798 ws A 44 lancehub. . la. . .reelancer_bg3. jpg 111214 ms A\ 45, 1ancehub. . 1a. . .81sE-unsplash. jpg i AL LAl 10538 ws A\ 46, lancehub.j.la...freelancer_BG.jpg bl dd I 7620 ms 47. ocsp.pki.goog - gtsicd 288 ns 48. ocsp.pki.goog - gtsic3 289 ms 49. ocsp.pki.goog - gtsicd 292 ms 50. fonts.gstatic.c...VrL0Z8Z1xIFQ.u0fF2 B 685 m 51, fonts.gstatic.c. ..46_0j0bNZhLY .uoFF2 1426 o] 52. maps.googleapis.con - gen_204 439 53. fonts.gstatic.c...JHgFVrJ fecg .uofF2 |l 756 |ns 54. fonts.gstatic.c...15nFZb300nVs .u0FF2 ] 773|ms ! 1NN I | SN N [ [ [ N Y Iy 1350 ns 1350 ns I Y O N N Y 12 3|4 5 6 7 8 9 10 1 12 13 14 15 16 17 18 19 20 2 22 CPU Utilization U U ww J L ——— Banduidth In (0 - 5,000 Kbps) Long Tasks, Visual Progress (%) 1 . 00 —— lancehub.j.lay... 80 60 40 20 0 O Sl AN A 9® a5 s o & A0 11 ok o\ o P AL A 90 ad 0 Kl QY AQT QN Y 2° B2 g AF 4! 2%° o© ,\Qf‘ ,\\j ,\qfi ,\39 \b(_% :\69 AN a®- ,\gfl ,@5 N Time (seconds)

355 4.0s 45 5.0s 5.55 6.0s ershift.co.uk/ Ecitute TestRun Details Timings (ms) N lancehubj Visually Complete Last Visual Change Load Time (onload) ] Load Time (Fully Loaded) DOM Content Loaded Speed Index Time to First Byte Time to Title Time to Start Render CPU Busy Time ] I I 85% Visually Complete 90% Visually Complete 95% Visually Complete 99% Visually Complete First Contentful Paint Time To Interactive Waterfall Screenshot Video First View Eilmstrip View (19.0975) s Watch Video Content Breakdown Roquent ey ah [ :

[ ] [ [ A Requests [} [ [ [ [ [ A DOM complexity p [ [ o JS complexity [ [} [} [ J Bad JS < ° [ ] ‘ ) [ [ Server confi B 9 = [ [ Requests number 49 Different domains 4 404 not found 1A Identical content 0 Empty requests 0 Below the fold images 0 Hidden images 0 DOM elements count 242 DOM max depth 1 Number of iframes 0 IDs duplicated 1 Total JS execution time 288 ms DOM access 257 Scroll events bound 3 JavasScript errors 1 document.write calls 0 Synchronous Ajax requests 0 Global variables 20 HTTP protocols 36 TLS protocols 0 Connections closed 0 Caching not specified 36 Caching disabled Caching too short Iancehub.j.layershift.co.uk Apr10, 2023 1:28:17 PM UTC <5 DNS @ Web Server Errors (1] Errors Warnings (0] Warnings Passed Passed o 5> DNs TYPE TEST na DNS Get DNS Records n/a v WHOIS Get WHOIS Records Nameserver DNS(NS) on dnsl.transnexis.net X Nameserver DNS(A)on dns2.transnexis.net v WHOIS Domain Expiry £3 Mail Server fif Blacklist/Malware [ 1] Errors (0] Errors (0] 0] Warnings 0] Warnings 0] Passed 0 Passed a RESULT Click "More Info" to review your DNS records. @ More Info Click "More Info" to review your WHOIS records. @ More Info DNS OK: 0.083 seconds response time. @ More Info DNS dns2.transnexis.net has no records @ More Info WHOIS OK - 1706 days left for domain, expires 2027-12-12. @ More Info

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@ Web Server TYPE v HTTP X HTTPS v Ping(ICMP) v Ping(ICMP) SSL 4 v a Certificate TEST ‘Web Server HTTP ‘Web Server HTTPS Ping(ICMP)- 109.109.136.64 Ping (ICMP)- 109.108.136.70 SSL Certificate Expiry Jit Blacklist/Malware TYPE v Blacklist ' Virus & Malware TEST RESULT HTTP OK: HTTP/1.1200 - 419 bytes in 0.219 second response time HTTP CRITICAL: HTTP/1.1503 Service Temporarily Unavailable - 176 bytes in 0.446 second response time PING OK - Packet loss = 0%, RTA =94.94 ms PING OK - Packet loss = 0%, RTA = 94.27 ms SSL_CERT OK - lancehub.j.layershift.co.uk:443, https, x50 certificats layershift.co.uk’ (lancehub.j.layershift.co.uk) from ‘Let's Encrypt'valid until Jun 20 14:00:58 2023 GMT (expires in 71 days) RESULT Virus & Malware MALWARE 0K Spam Blacklists 0K: 109.109.136.64 not on known spam blacklists (91 blacklists checked.) @ More Info @ More Info @ More Info @ More Info @ More Info @ More Info @ More Info

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